summaryrefslogtreecommitdiff
path: root/tests/test_cluster.py
blob: 9866cfcb0871f04aec8e57454d54cc9fd17605a1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
import binascii
import datetime
import warnings
from time import sleep
from unittest.mock import DEFAULT, Mock, call, patch

import pytest

from redis import Redis
from redis.backoff import ExponentialBackoff, NoBackoff, default_backoff
from redis.cluster import (
    PRIMARY,
    REDIS_CLUSTER_HASH_SLOTS,
    REPLICA,
    ClusterNode,
    NodesManager,
    RedisCluster,
    get_node_name,
)
from redis.commands import CommandsParser
from redis.connection import Connection
from redis.crc import key_slot
from redis.exceptions import (
    AskError,
    ClusterDownError,
    ConnectionError,
    DataError,
    MovedError,
    NoPermissionError,
    RedisClusterException,
    RedisError,
    ResponseError,
    TimeoutError,
)
from redis.retry import Retry
from redis.utils import str_if_bytes
from tests.test_pubsub import wait_for_message

from .conftest import (
    _get_client,
    skip_if_redis_enterprise,
    skip_if_server_version_lt,
    skip_unless_arch_bits,
    wait_for_command,
)

default_host = "127.0.0.1"
default_port = 7000
default_cluster_slots = [
    [0, 8191, ["127.0.0.1", 7000, "node_0"], ["127.0.0.1", 7003, "node_3"]],
    [8192, 16383, ["127.0.0.1", 7001, "node_1"], ["127.0.0.1", 7002, "node_2"]],
]


@pytest.fixture()
def slowlog(request, r):
    """
    Set the slowlog threshold to 0, and the
    max length to 128. This will force every
    command into the slowlog and allow us
    to test it
    """
    # Save old values
    current_config = r.config_get(target_nodes=r.get_primaries()[0])
    old_slower_than_value = current_config["slowlog-log-slower-than"]
    old_max_legnth_value = current_config["slowlog-max-len"]

    # Function to restore the old values
    def cleanup():
        r.config_set("slowlog-log-slower-than", old_slower_than_value)
        r.config_set("slowlog-max-len", old_max_legnth_value)

    request.addfinalizer(cleanup)

    # Set the new values
    r.config_set("slowlog-log-slower-than", 0)
    r.config_set("slowlog-max-len", 128)


def get_mocked_redis_client(func=None, *args, **kwargs):
    """
    Return a stable RedisCluster object that have deterministic
    nodes and slots setup to remove the problem of different IP addresses
    on different installations and machines.
    """
    cluster_slots = kwargs.pop("cluster_slots", default_cluster_slots)
    coverage_res = kwargs.pop("coverage_result", "yes")
    cluster_enabled = kwargs.pop("cluster_enabled", True)
    with patch.object(Redis, "execute_command") as execute_command_mock:

        def execute_command(*_args, **_kwargs):
            if _args[0] == "CLUSTER SLOTS":
                mock_cluster_slots = cluster_slots
                return mock_cluster_slots
            elif _args[0] == "COMMAND":
                return {"get": [], "set": []}
            elif _args[0] == "INFO":
                return {"cluster_enabled": cluster_enabled}
            elif len(_args) > 1 and _args[1] == "cluster-require-full-coverage":
                return {"cluster-require-full-coverage": coverage_res}
            elif func is not None:
                return func(*args, **kwargs)
            else:
                return execute_command_mock(*_args, **_kwargs)

        execute_command_mock.side_effect = execute_command

        with patch.object(
            CommandsParser, "initialize", autospec=True
        ) as cmd_parser_initialize:

            def cmd_init_mock(self, r):
                self.commands = {
                    "get": {
                        "name": "get",
                        "arity": 2,
                        "flags": ["readonly", "fast"],
                        "first_key_pos": 1,
                        "last_key_pos": 1,
                        "step_count": 1,
                    }
                }

            cmd_parser_initialize.side_effect = cmd_init_mock

            return RedisCluster(*args, **kwargs)


def mock_node_resp(node, response):
    connection = Mock()
    connection.read_response.return_value = response
    node.redis_connection.connection = connection
    return node


def mock_node_resp_func(node, func):
    connection = Mock()
    connection.read_response.side_effect = func
    node.redis_connection.connection = connection
    return node


def mock_all_nodes_resp(rc, response):
    for node in rc.get_nodes():
        mock_node_resp(node, response)
    return rc


def find_node_ip_based_on_port(cluster_client, port):
    for node in cluster_client.get_nodes():
        if node.port == port:
            return node.host


def moved_redirection_helper(request, failover=False):
    """
    Test that the client handles MOVED response after a failover.
    Redirection after a failover means that the redirection address is of a
    replica that was promoted to a primary.

    At first call it should return a MOVED ResponseError that will point
    the client to the next server it should talk to.

    Verify that:
    1. it tries to talk to the redirected node
    2. it updates the slot's primary to the redirected node

    For a failover, also verify:
    3. the redirected node's server type updated to 'primary'
    4. the server type of the previous slot owner updated to 'replica'
    """
    rc = _get_client(RedisCluster, request, flushdb=False)
    slot = 12182
    redirect_node = None
    # Get the current primary that holds this slot
    prev_primary = rc.nodes_manager.get_node_from_slot(slot)
    if failover:
        if len(rc.nodes_manager.slots_cache[slot]) < 2:
            warnings.warn("Skipping this test since it requires to have a replica")
            return
        redirect_node = rc.nodes_manager.slots_cache[slot][1]
    else:
        # Use one of the primaries to be the redirected node
        redirect_node = rc.get_primaries()[0]
    r_host = redirect_node.host
    r_port = redirect_node.port
    with patch.object(Redis, "parse_response") as parse_response:

        def moved_redirect_effect(connection, *args, **options):
            def ok_response(connection, *args, **options):
                assert connection.host == r_host
                assert connection.port == r_port

                return "MOCK_OK"

            parse_response.side_effect = ok_response
            raise MovedError(f"{slot} {r_host}:{r_port}")

        parse_response.side_effect = moved_redirect_effect
        assert rc.execute_command("SET", "foo", "bar") == "MOCK_OK"
        slot_primary = rc.nodes_manager.slots_cache[slot][0]
        assert slot_primary == redirect_node
        if failover:
            assert rc.get_node(host=r_host, port=r_port).server_type == PRIMARY
            assert prev_primary.server_type == REPLICA


@pytest.mark.onlycluster
class TestRedisClusterObj:
    """
    Tests for the RedisCluster class
    """

    def test_host_port_startup_node(self):
        """
        Test that it is possible to use host & port arguments as startup node
        args
        """
        cluster = get_mocked_redis_client(host=default_host, port=default_port)
        assert cluster.get_node(host=default_host, port=default_port) is not None

    def test_startup_nodes(self):
        """
        Test that it is possible to use startup_nodes
        argument to init the cluster
        """
        port_1 = 7000
        port_2 = 7001
        startup_nodes = [
            ClusterNode(default_host, port_1),
            ClusterNode(default_host, port_2),
        ]
        cluster = get_mocked_redis_client(startup_nodes=startup_nodes)
        assert (
            cluster.get_node(host=default_host, port=port_1) is not None
            and cluster.get_node(host=default_host, port=port_2) is not None
        )

    def test_empty_startup_nodes(self):
        """
        Test that exception is raised when empty providing empty startup_nodes
        """
        with pytest.raises(RedisClusterException) as ex:
            RedisCluster(startup_nodes=[])

        assert str(ex.value).startswith(
            "RedisCluster requires at least one node to discover the cluster"
        ), str_if_bytes(ex.value)

    def test_from_url(self, r):
        redis_url = f"redis://{default_host}:{default_port}/0"
        with patch.object(RedisCluster, "from_url") as from_url:

            def from_url_mocked(_url, **_kwargs):
                return get_mocked_redis_client(url=_url, **_kwargs)

            from_url.side_effect = from_url_mocked
            cluster = RedisCluster.from_url(redis_url)
        assert cluster.get_node(host=default_host, port=default_port) is not None

    def test_execute_command_errors(self, r):
        """
        Test that if no key is provided then exception should be raised.
        """
        with pytest.raises(RedisClusterException) as ex:
            r.execute_command("GET")
        assert str(ex.value).startswith(
            "No way to dispatch this command to Redis Cluster. Missing key."
        )

    def test_execute_command_node_flag_primaries(self, r):
        """
        Test command execution with nodes flag PRIMARIES
        """
        primaries = r.get_primaries()
        replicas = r.get_replicas()
        mock_all_nodes_resp(r, "PONG")
        assert r.ping(target_nodes=RedisCluster.PRIMARIES) is True
        for primary in primaries:
            conn = primary.redis_connection.connection
            assert conn.read_response.called is True
        for replica in replicas:
            conn = replica.redis_connection.connection
            assert conn.read_response.called is not True

    def test_execute_command_node_flag_replicas(self, r):
        """
        Test command execution with nodes flag REPLICAS
        """
        replicas = r.get_replicas()
        if not replicas:
            r = get_mocked_redis_client(default_host, default_port)
        primaries = r.get_primaries()
        mock_all_nodes_resp(r, "PONG")
        assert r.ping(target_nodes=RedisCluster.REPLICAS) is True
        for replica in replicas:
            conn = replica.redis_connection.connection
            assert conn.read_response.called is True
        for primary in primaries:
            conn = primary.redis_connection.connection
            assert conn.read_response.called is not True

    def test_execute_command_node_flag_all_nodes(self, r):
        """
        Test command execution with nodes flag ALL_NODES
        """
        mock_all_nodes_resp(r, "PONG")
        assert r.ping(target_nodes=RedisCluster.ALL_NODES) is True
        for node in r.get_nodes():
            conn = node.redis_connection.connection
            assert conn.read_response.called is True

    def test_execute_command_node_flag_random(self, r):
        """
        Test command execution with nodes flag RANDOM
        """
        mock_all_nodes_resp(r, "PONG")
        assert r.ping(target_nodes=RedisCluster.RANDOM) is True
        called_count = 0
        for node in r.get_nodes():
            conn = node.redis_connection.connection
            if conn.read_response.called is True:
                called_count += 1
        assert called_count == 1

    def test_execute_command_default_node(self, r):
        """
        Test command execution without node flag is being executed on the
        default node
        """
        def_node = r.get_default_node()
        mock_node_resp(def_node, "PONG")
        assert r.ping() is True
        conn = def_node.redis_connection.connection
        assert conn.read_response.called

    def test_ask_redirection(self, r):
        """
        Test that the server handles ASK response.

        At first call it should return a ASK ResponseError that will point
        the client to the next server it should talk to.

        Important thing to verify is that it tries to talk to the second node.
        """
        redirect_node = r.get_nodes()[0]
        with patch.object(Redis, "parse_response") as parse_response:

            def ask_redirect_effect(connection, *args, **options):
                def ok_response(connection, *args, **options):
                    assert connection.host == redirect_node.host
                    assert connection.port == redirect_node.port

                    return "MOCK_OK"

                parse_response.side_effect = ok_response
                raise AskError(f"12182 {redirect_node.host}:{redirect_node.port}")

            parse_response.side_effect = ask_redirect_effect

            assert r.execute_command("SET", "foo", "bar") == "MOCK_OK"

    def test_handling_cluster_failover_to_a_replica(self, r):
        # Set the key we'll test for
        key = "key"
        r.set("key", "value")
        primary = r.get_node_from_key(key, replica=False)
        assert str_if_bytes(r.get("key")) == "value"
        # Get the current output of cluster slots
        cluster_slots = primary.redis_connection.execute_command("CLUSTER SLOTS")
        replica_host = ""
        replica_port = 0
        # Replace one of the replicas to be the new primary based on the
        # cluster slots output
        for slot_range in cluster_slots:
            primary_port = slot_range[2][1]
            if primary_port == primary.port:
                if len(slot_range) <= 3:
                    # cluster doesn't have a replica, return
                    return
                replica_host = str_if_bytes(slot_range[3][0])
                replica_port = slot_range[3][1]
                # replace replica and primary in the cluster slots output
                tmp_node = slot_range[2]
                slot_range[2] = slot_range[3]
                slot_range[3] = tmp_node
                break

        def raise_connection_error():
            raise ConnectionError("error")

        def mock_execute_command(*_args, **_kwargs):
            if _args[0] == "CLUSTER SLOTS":
                return cluster_slots
            else:
                raise Exception("Failed to mock cluster slots")

        # Mock connection error for the current primary
        mock_node_resp_func(primary, raise_connection_error)
        primary.redis_connection.set_retry(Retry(NoBackoff(), 1))

        # Mock the cluster slots response for all other nodes
        redis_mock_node = Mock()
        redis_mock_node.execute_command.side_effect = mock_execute_command
        # Mock response value for all other commands
        redis_mock_node.parse_response.return_value = "MOCK_OK"
        for node in r.get_nodes():
            if node.port != primary.port:
                node.redis_connection = redis_mock_node

        assert r.get(key) == "MOCK_OK"
        new_primary = r.get_node_from_key(key, replica=False)
        assert new_primary.host == replica_host
        assert new_primary.port == replica_port
        assert r.get_node(primary.host, primary.port).server_type == REPLICA

    def test_moved_redirection(self, request):
        """
        Test that the client handles MOVED response.
        """
        moved_redirection_helper(request, failover=False)

    def test_moved_redirection_after_failover(self, request):
        """
        Test that the client handles MOVED response after a failover.
        """
        moved_redirection_helper(request, failover=True)

    def test_refresh_using_specific_nodes(self, request):
        """
        Test making calls on specific nodes when the cluster has failed over to
        another node
        """
        node_7006 = ClusterNode(host=default_host, port=7006, server_type=PRIMARY)
        node_7007 = ClusterNode(host=default_host, port=7007, server_type=PRIMARY)
        with patch.object(Redis, "parse_response") as parse_response:
            with patch.object(NodesManager, "initialize", autospec=True) as initialize:
                with patch.multiple(
                    Connection, send_command=DEFAULT, connect=DEFAULT, can_read=DEFAULT
                ) as mocks:
                    # simulate 7006 as a failed node
                    def parse_response_mock(connection, command_name, **options):
                        if connection.port == 7006:
                            parse_response.failed_calls += 1
                            raise ClusterDownError(
                                "CLUSTERDOWN The cluster is "
                                "down. Use CLUSTER INFO for "
                                "more information"
                            )
                        elif connection.port == 7007:
                            parse_response.successful_calls += 1

                    def initialize_mock(self):
                        # start with all slots mapped to 7006
                        self.nodes_cache = {node_7006.name: node_7006}
                        self.default_node = node_7006
                        self.slots_cache = {}

                        for i in range(0, 16383):
                            self.slots_cache[i] = [node_7006]

                        # After the first connection fails, a reinitialize
                        # should follow the cluster to 7007
                        def map_7007(self):
                            self.nodes_cache = {node_7007.name: node_7007}
                            self.default_node = node_7007
                            self.slots_cache = {}

                            for i in range(0, 16383):
                                self.slots_cache[i] = [node_7007]

                        # Change initialize side effect for the second call
                        initialize.side_effect = map_7007

                    parse_response.side_effect = parse_response_mock
                    parse_response.successful_calls = 0
                    parse_response.failed_calls = 0
                    initialize.side_effect = initialize_mock
                    mocks["can_read"].return_value = False
                    mocks["send_command"].return_value = "MOCK_OK"
                    mocks["connect"].return_value = None
                    with patch.object(
                        CommandsParser, "initialize", autospec=True
                    ) as cmd_parser_initialize:

                        def cmd_init_mock(self, r):
                            self.commands = {
                                "get": {
                                    "name": "get",
                                    "arity": 2,
                                    "flags": ["readonly", "fast"],
                                    "first_key_pos": 1,
                                    "last_key_pos": 1,
                                    "step_count": 1,
                                }
                            }

                        cmd_parser_initialize.side_effect = cmd_init_mock

                        rc = _get_client(RedisCluster, request, flushdb=False)
                        assert len(rc.get_nodes()) == 1
                        assert rc.get_node(node_name=node_7006.name) is not None

                        rc.get("foo")

                        # Cluster should now point to 7007, and there should be
                        # one failed and one successful call
                        assert len(rc.get_nodes()) == 1
                        assert rc.get_node(node_name=node_7007.name) is not None
                        assert rc.get_node(node_name=node_7006.name) is None
                        assert parse_response.failed_calls == 1
                        assert parse_response.successful_calls == 1

    def test_reading_from_replicas_in_round_robin(self):
        with patch.multiple(
            Connection,
            send_command=DEFAULT,
            read_response=DEFAULT,
            _connect=DEFAULT,
            can_read=DEFAULT,
            on_connect=DEFAULT,
        ) as mocks:
            with patch.object(Redis, "parse_response") as parse_response:

                def parse_response_mock_first(connection, *args, **options):
                    # Primary
                    assert connection.port == 7001
                    parse_response.side_effect = parse_response_mock_second
                    return "MOCK_OK"

                def parse_response_mock_second(connection, *args, **options):
                    # Replica
                    assert connection.port == 7002
                    parse_response.side_effect = parse_response_mock_third
                    return "MOCK_OK"

                def parse_response_mock_third(connection, *args, **options):
                    # Primary
                    assert connection.port == 7001
                    return "MOCK_OK"

                # We don't need to create a real cluster connection but we
                # do want RedisCluster.on_connect function to get called,
                # so we'll mock some of the Connection's functions to allow it
                parse_response.side_effect = parse_response_mock_first
                mocks["send_command"].return_value = True
                mocks["read_response"].return_value = "OK"
                mocks["_connect"].return_value = True
                mocks["can_read"].return_value = False
                mocks["on_connect"].return_value = True

                # Create a cluster with reading from replications
                read_cluster = get_mocked_redis_client(
                    host=default_host, port=default_port, read_from_replicas=True
                )
                assert read_cluster.read_from_replicas is True
                # Check that we read from the slot's nodes in a round robin
                # matter.
                # 'foo' belongs to slot 12182 and the slot's nodes are:
                # [(127.0.0.1,7001,primary), (127.0.0.1,7002,replica)]
                read_cluster.get("foo")
                read_cluster.get("foo")
                read_cluster.get("foo")
                mocks["send_command"].assert_has_calls([call("READONLY")])

    def test_keyslot(self, r):
        """
        Test that method will compute correct key in all supported cases
        """
        assert r.keyslot("foo") == 12182
        assert r.keyslot("{foo}bar") == 12182
        assert r.keyslot("{foo}") == 12182
        assert r.keyslot(1337) == 4314

        assert r.keyslot(125) == r.keyslot(b"125")
        assert r.keyslot(125) == r.keyslot("\x31\x32\x35")
        assert r.keyslot("大奖") == r.keyslot(b"\xe5\xa4\xa7\xe5\xa5\x96")
        assert r.keyslot("大奖") == r.keyslot(b"\xe5\xa4\xa7\xe5\xa5\x96")
        assert r.keyslot(1337.1234) == r.keyslot("1337.1234")
        assert r.keyslot(1337) == r.keyslot("1337")
        assert r.keyslot(b"abc") == r.keyslot("abc")

    def test_get_node_name(self):
        assert (
            get_node_name(default_host, default_port)
            == f"{default_host}:{default_port}"
        )

    def test_all_nodes(self, r):
        """
        Set a list of nodes and it should be possible to iterate over all
        """
        nodes = [node for node in r.nodes_manager.nodes_cache.values()]

        for i, node in enumerate(r.get_nodes()):
            assert node in nodes

    def test_all_nodes_masters(self, r):
        """
        Set a list of nodes with random primaries/replicas config and it shold
        be possible to iterate over all of them.
        """
        nodes = [
            node
            for node in r.nodes_manager.nodes_cache.values()
            if node.server_type == PRIMARY
        ]

        for node in r.get_primaries():
            assert node in nodes

    @pytest.mark.parametrize("error", RedisCluster.ERRORS_ALLOW_RETRY)
    def test_cluster_down_overreaches_retry_attempts(self, error):
        """
        When error that allows retry is thrown, test that we retry executing
        the command as many times as configured in cluster_error_retry_attempts
        and then raise the exception
        """
        with patch.object(RedisCluster, "_execute_command") as execute_command:

            def raise_error(target_node, *args, **kwargs):
                execute_command.failed_calls += 1
                raise error("mocked error")

            execute_command.side_effect = raise_error

            rc = get_mocked_redis_client(host=default_host, port=default_port)

            with pytest.raises(error):
                rc.get("bar")
                assert execute_command.failed_calls == rc.cluster_error_retry_attempts

    def test_user_on_connect_function(self, request):
        """
        Test support in passing on_connect function by the user
        """

        def on_connect(connection):
            assert connection is not None

        mock = Mock(side_effect=on_connect)

        _get_client(RedisCluster, request, redis_connect_func=mock)
        assert mock.called is True

    def test_set_default_node_success(self, r):
        """
        test successful replacement of the default cluster node
        """
        default_node = r.get_default_node()
        # get a different node
        new_def_node = None
        for node in r.get_nodes():
            if node != default_node:
                new_def_node = node
                break
        assert r.set_default_node(new_def_node) is True
        assert r.get_default_node() == new_def_node

    def test_set_default_node_failure(self, r):
        """
        test failed replacement of the default cluster node
        """
        default_node = r.get_default_node()
        new_def_node = ClusterNode("1.1.1.1", 1111)
        assert r.set_default_node(None) is False
        assert r.set_default_node(new_def_node) is False
        assert r.get_default_node() == default_node

    def test_get_node_from_key(self, r):
        """
        Test that get_node_from_key function returns the correct node
        """
        key = "bar"
        slot = r.keyslot(key)
        slot_nodes = r.nodes_manager.slots_cache.get(slot)
        primary = slot_nodes[0]
        assert r.get_node_from_key(key, replica=False) == primary
        replica = r.get_node_from_key(key, replica=True)
        if replica is not None:
            assert replica.server_type == REPLICA
            assert replica in slot_nodes

    @skip_if_redis_enterprise()
    def test_not_require_full_coverage_cluster_down_error(self, r):
        """
        When require_full_coverage is set to False (default client config) and not
        all slots are covered, if one of the nodes has 'cluster-require_full_coverage'
        config set to 'yes' some key-based commands should throw ClusterDownError
        """
        node = r.get_node_from_key("foo")
        missing_slot = r.keyslot("foo")
        assert r.set("foo", "bar") is True
        try:
            assert all(r.cluster_delslots(missing_slot))
            with pytest.raises(ClusterDownError):
                r.exists("foo")
        finally:
            try:
                # Add back the missing slot
                assert r.cluster_addslots(node, missing_slot) is True
                # Make sure we are not getting ClusterDownError anymore
                assert r.exists("foo") == 1
            except ResponseError as e:
                if f"Slot {missing_slot} is already busy" in str(e):
                    # It can happen if the test failed to delete this slot
                    pass
                else:
                    raise e

    def test_timeout_error_topology_refresh_reuse_connections(self, r):
        """
        By mucking TIMEOUT errors, we'll force the cluster topology to be reinitialized,
        and then ensure that only the impacted connection is replaced
        """
        node = r.get_node_from_key("key")
        r.set("key", "value")
        node_conn_origin = {}
        for n in r.get_nodes():
            node_conn_origin[n.name] = n.redis_connection
        real_func = r.get_redis_connection(node).parse_response

        class counter:
            def __init__(self, val=0):
                self.val = int(val)

        count = counter(0)
        with patch.object(Redis, "parse_response") as parse_response:

            def moved_redirect_effect(connection, *args, **options):
                # raise a timeout for 5 times so we'll need to reinitialize the topology
                if count.val == 4:
                    parse_response.side_effect = real_func
                count.val += 1
                raise TimeoutError()

            parse_response.side_effect = moved_redirect_effect
            assert r.get("key") == b"value"
            for node_name, conn in node_conn_origin.items():
                if node_name == node.name:
                    # The old redis connection of the timed out node should have been
                    # deleted and replaced
                    assert conn != r.get_redis_connection(node)
                else:
                    # other nodes' redis connection should have been reused during the
                    # topology refresh
                    cur_node = r.get_node(node_name=node_name)
                    assert conn == r.get_redis_connection(cur_node)

    def test_cluster_get_set_retry_object(self, request):
        retry = Retry(NoBackoff(), 2)
        r = _get_client(RedisCluster, request, retry=retry)
        assert r.get_retry()._retries == retry._retries
        assert isinstance(r.get_retry()._backoff, NoBackoff)
        for node in r.get_nodes():
            assert node.redis_connection.get_retry()._retries == retry._retries
            assert isinstance(node.redis_connection.get_retry()._backoff, NoBackoff)
        rand_node = r.get_random_node()
        existing_conn = rand_node.redis_connection.connection_pool.get_connection("_")
        # Change retry policy
        new_retry = Retry(ExponentialBackoff(), 3)
        r.set_retry(new_retry)
        assert r.get_retry()._retries == new_retry._retries
        assert isinstance(r.get_retry()._backoff, ExponentialBackoff)
        for node in r.get_nodes():
            assert node.redis_connection.get_retry()._retries == new_retry._retries
            assert isinstance(
                node.redis_connection.get_retry()._backoff, ExponentialBackoff
            )
        assert existing_conn.retry._retries == new_retry._retries
        new_conn = rand_node.redis_connection.connection_pool.get_connection("_")
        assert new_conn.retry._retries == new_retry._retries

    def test_cluster_retry_object(self, r) -> None:
        # Test default retry
        retry = r.get_connection_kwargs().get("retry")
        assert isinstance(retry, Retry)
        assert retry._retries == 0
        assert isinstance(retry._backoff, type(default_backoff()))
        node1 = r.get_node("127.0.0.1", 16379).redis_connection
        node2 = r.get_node("127.0.0.1", 16380).redis_connection
        assert node1.get_retry()._retries == node2.get_retry()._retries

        # Test custom retry
        retry = Retry(ExponentialBackoff(10, 5), 5)
        rc_custom_retry = RedisCluster("127.0.0.1", 16379, retry=retry)
        assert (
            rc_custom_retry.get_node("127.0.0.1", 16379)
            .redis_connection.get_retry()
            ._retries
            == retry._retries
        )

    def test_replace_cluster_node(self, r) -> None:
        prev_default_node = r.get_default_node()
        r.replace_default_node()
        assert r.get_default_node() != prev_default_node
        r.replace_default_node(prev_default_node)
        assert r.get_default_node() == prev_default_node

    def test_default_node_is_replaced_after_exception(self, r):
        curr_default_node = r.get_default_node()
        # CLUSTER NODES command is being executed on the default node
        nodes = r.cluster_nodes()
        assert "myself" in nodes.get(curr_default_node.name).get("flags")

        def raise_connection_error():
            raise ConnectionError("error")

        # Mock connection error for the default node
        mock_node_resp_func(curr_default_node, raise_connection_error)
        # Test that the command succeed from a different node
        nodes = r.cluster_nodes()
        assert "myself" not in nodes.get(curr_default_node.name).get("flags")
        assert r.get_default_node() != curr_default_node


@pytest.mark.onlycluster
class TestClusterRedisCommands:
    """
    Tests for RedisCluster unique commands
    """

    def test_case_insensitive_command_names(self, r):
        assert (
            r.cluster_response_callbacks["cluster slots"]
            == r.cluster_response_callbacks["CLUSTER SLOTS"]
        )

    def test_get_and_set(self, r):
        # get and set can't be tested independently of each other
        assert r.get("a") is None
        byte_string = b"value"
        integer = 5
        unicode_string = chr(3456) + "abcd" + chr(3421)
        assert r.set("byte_string", byte_string)
        assert r.set("integer", 5)
        assert r.set("unicode_string", unicode_string)
        assert r.get("byte_string") == byte_string
        assert r.get("integer") == str(integer).encode()
        assert r.get("unicode_string").decode("utf-8") == unicode_string

    def test_mget_nonatomic(self, r):
        assert r.mget_nonatomic([]) == []
        assert r.mget_nonatomic(["a", "b"]) == [None, None]
        r["a"] = "1"
        r["b"] = "2"
        r["c"] = "3"

        assert r.mget_nonatomic("a", "other", "b", "c") == [b"1", None, b"2", b"3"]

    def test_mset_nonatomic(self, r):
        d = {"a": b"1", "b": b"2", "c": b"3", "d": b"4"}
        assert r.mset_nonatomic(d)
        for k, v in d.items():
            assert r[k] == v

    def test_config_set(self, r):
        assert r.config_set("slowlog-log-slower-than", 0)

    def test_cluster_config_resetstat(self, r):
        r.ping(target_nodes="all")
        all_info = r.info(target_nodes="all")
        prior_commands_processed = -1
        for node_info in all_info.values():
            prior_commands_processed = node_info["total_commands_processed"]
            assert prior_commands_processed >= 1
        r.config_resetstat(target_nodes="all")
        all_info = r.info(target_nodes="all")
        for node_info in all_info.values():
            reset_commands_processed = node_info["total_commands_processed"]
            assert reset_commands_processed < prior_commands_processed

    def test_client_setname(self, r):
        node = r.get_random_node()
        r.client_setname("redis_py_test", target_nodes=node)
        client_name = r.client_getname(target_nodes=node)
        assert client_name == "redis_py_test"

    def test_exists(self, r):
        d = {"a": b"1", "b": b"2", "c": b"3", "d": b"4"}
        r.mset_nonatomic(d)
        assert r.exists(*d.keys()) == len(d)

    def test_delete(self, r):
        d = {"a": b"1", "b": b"2", "c": b"3", "d": b"4"}
        r.mset_nonatomic(d)
        assert r.delete(*d.keys()) == len(d)
        assert r.delete(*d.keys()) == 0

    def test_touch(self, r):
        d = {"a": b"1", "b": b"2", "c": b"3", "d": b"4"}
        r.mset_nonatomic(d)
        assert r.touch(*d.keys()) == len(d)

    def test_unlink(self, r):
        d = {"a": b"1", "b": b"2", "c": b"3", "d": b"4"}
        r.mset_nonatomic(d)
        assert r.unlink(*d.keys()) == len(d)
        # Unlink is non-blocking so we sleep before
        # verifying the deletion
        sleep(0.1)
        assert r.unlink(*d.keys()) == 0

    def test_pubsub_channels_merge_results(self, r):
        nodes = r.get_nodes()
        channels = []
        pubsub_nodes = []
        i = 0
        for node in nodes:
            channel = f"foo{i}"
            # We will create different pubsub clients where each one is
            # connected to a different node
            p = r.pubsub(node)
            pubsub_nodes.append(p)
            p.subscribe(channel)
            b_channel = channel.encode("utf-8")
            channels.append(b_channel)
            # Assert that each node returns only the channel it subscribed to
            sub_channels = node.redis_connection.pubsub_channels()
            if not sub_channels:
                # Try again after a short sleep
                sleep(0.3)
                sub_channels = node.redis_connection.pubsub_channels()
            assert sub_channels == [b_channel]
            i += 1
        # Assert that the cluster's pubsub_channels function returns ALL of
        # the cluster's channels
        result = r.pubsub_channels(target_nodes="all")
        result.sort()
        assert result == channels

    def test_pubsub_numsub_merge_results(self, r):
        nodes = r.get_nodes()
        pubsub_nodes = []
        channel = "foo"
        b_channel = channel.encode("utf-8")
        for node in nodes:
            # We will create different pubsub clients where each one is
            # connected to a different node
            p = r.pubsub(node)
            pubsub_nodes.append(p)
            p.subscribe(channel)
            # Assert that each node returns that only one client is subscribed
            sub_chann_num = node.redis_connection.pubsub_numsub(channel)
            if sub_chann_num == [(b_channel, 0)]:
                sleep(0.3)
                sub_chann_num = node.redis_connection.pubsub_numsub(channel)
            assert sub_chann_num == [(b_channel, 1)]
        # Assert that the cluster's pubsub_numsub function returns ALL clients
        # subscribed to this channel in the entire cluster
        assert r.pubsub_numsub(channel, target_nodes="all") == [(b_channel, len(nodes))]

    def test_pubsub_numpat_merge_results(self, r):
        nodes = r.get_nodes()
        pubsub_nodes = []
        pattern = "foo*"
        for node in nodes:
            # We will create different pubsub clients where each one is
            # connected to a different node
            p = r.pubsub(node)
            pubsub_nodes.append(p)
            p.psubscribe(pattern)
            # Assert that each node returns that only one client is subscribed
            sub_num_pat = node.redis_connection.pubsub_numpat()
            if sub_num_pat == 0:
                sleep(0.3)
                sub_num_pat = node.redis_connection.pubsub_numpat()
            assert sub_num_pat == 1
        # Assert that the cluster's pubsub_numsub function returns ALL clients
        # subscribed to this channel in the entire cluster
        assert r.pubsub_numpat(target_nodes="all") == len(nodes)

    @skip_if_server_version_lt("2.8.0")
    def test_cluster_pubsub_channels(self, r):
        p = r.pubsub()
        p.subscribe("foo", "bar", "baz", "quux")
        for i in range(4):
            assert wait_for_message(p, timeout=0.5)["type"] == "subscribe"
        expected = [b"bar", b"baz", b"foo", b"quux"]
        assert all(
            [channel in r.pubsub_channels(target_nodes="all") for channel in expected]
        )

    @skip_if_server_version_lt("2.8.0")
    def test_cluster_pubsub_numsub(self, r):
        p1 = r.pubsub()
        p1.subscribe("foo", "bar", "baz")
        for i in range(3):
            assert wait_for_message(p1, timeout=0.5)["type"] == "subscribe"
        p2 = r.pubsub()
        p2.subscribe("bar", "baz")
        for i in range(2):
            assert wait_for_message(p2, timeout=0.5)["type"] == "subscribe"
        p3 = r.pubsub()
        p3.subscribe("baz")
        assert wait_for_message(p3, timeout=0.5)["type"] == "subscribe"

        channels = [(b"foo", 1), (b"bar", 2), (b"baz", 3)]
        assert r.pubsub_numsub("foo", "bar", "baz", target_nodes="all") == channels

    @skip_if_redis_enterprise()
    def test_cluster_myid(self, r):
        node = r.get_random_node()
        myid = r.cluster_myid(node)
        assert len(myid) == 40

    @skip_if_redis_enterprise()
    def test_cluster_slots(self, r):
        mock_all_nodes_resp(r, default_cluster_slots)
        cluster_slots = r.cluster_slots()
        assert isinstance(cluster_slots, dict)
        assert len(default_cluster_slots) == len(cluster_slots)
        assert cluster_slots.get((0, 8191)) is not None
        assert cluster_slots.get((0, 8191)).get("primary") == ("127.0.0.1", 7000)

    @skip_if_server_version_lt("7.0.0")
    @skip_if_redis_enterprise()
    def test_cluster_shards(self, r):
        cluster_shards = r.cluster_shards()
        assert isinstance(cluster_shards, list)
        assert isinstance(cluster_shards[0], dict)
        attributes = [
            b"id",
            b"endpoint",
            b"ip",
            b"hostname",
            b"port",
            b"tls-port",
            b"role",
            b"replication-offset",
            b"health",
        ]
        for x in cluster_shards:
            assert list(x.keys()) == ["slots", "nodes"]
            for node in x["nodes"]:
                for attribute in node.keys():
                    assert attribute in attributes

    @skip_if_redis_enterprise()
    def test_cluster_addslots(self, r):
        node = r.get_random_node()
        mock_node_resp(node, "OK")
        assert r.cluster_addslots(node, 1, 2, 3) is True

    @skip_if_server_version_lt("7.0.0")
    @skip_if_redis_enterprise()
    def test_cluster_addslotsrange(self, r):
        node = r.get_random_node()
        mock_node_resp(node, "OK")
        assert r.cluster_addslotsrange(node, 1, 5)

    @skip_if_redis_enterprise()
    def test_cluster_countkeysinslot(self, r):
        node = r.nodes_manager.get_node_from_slot(1)
        mock_node_resp(node, 2)
        assert r.cluster_countkeysinslot(1) == 2

    def test_cluster_count_failure_report(self, r):
        mock_all_nodes_resp(r, 0)
        assert r.cluster_count_failure_report("node_0") == 0

    @skip_if_redis_enterprise()
    def test_cluster_delslots(self):
        cluster_slots = [
            [0, 8191, ["127.0.0.1", 7000, "node_0"]],
            [8192, 16383, ["127.0.0.1", 7001, "node_1"]],
        ]
        r = get_mocked_redis_client(
            host=default_host, port=default_port, cluster_slots=cluster_slots
        )
        mock_all_nodes_resp(r, "OK")
        node0 = r.get_node(default_host, 7000)
        node1 = r.get_node(default_host, 7001)
        assert r.cluster_delslots(0, 8192) == [True, True]
        assert node0.redis_connection.connection.read_response.called
        assert node1.redis_connection.connection.read_response.called

    @skip_if_server_version_lt("7.0.0")
    @skip_if_redis_enterprise()
    def test_cluster_delslotsrange(self):
        cluster_slots = [
            [
                0,
                8191,
                ["127.0.0.1", 7000, "node_0"],
            ],
            [
                8192,
                16383,
                ["127.0.0.1", 7001, "node_1"],
            ],
        ]
        r = get_mocked_redis_client(
            host=default_host, port=default_port, cluster_slots=cluster_slots
        )
        mock_all_nodes_resp(r, "OK")
        node = r.get_random_node()
        r.cluster_addslots(node, 1, 2, 3, 4, 5)
        assert r.cluster_delslotsrange(1, 5)

    @skip_if_redis_enterprise()
    def test_cluster_failover(self, r):
        node = r.get_random_node()
        mock_node_resp(node, "OK")
        assert r.cluster_failover(node) is True
        assert r.cluster_failover(node, "FORCE") is True
        assert r.cluster_failover(node, "TAKEOVER") is True
        with pytest.raises(RedisError):
            r.cluster_failover(node, "FORCT")

    @skip_if_redis_enterprise()
    def test_cluster_info(self, r):
        info = r.cluster_info()
        assert isinstance(info, dict)
        assert info["cluster_state"] == "ok"

    @skip_if_redis_enterprise()
    def test_cluster_keyslot(self, r):
        mock_all_nodes_resp(r, 12182)
        assert r.cluster_keyslot("foo") == 12182

    @skip_if_redis_enterprise()
    def test_cluster_meet(self, r):
        node = r.get_default_node()
        mock_node_resp(node, "OK")
        assert r.cluster_meet("127.0.0.1", 6379) is True

    @skip_if_redis_enterprise()
    def test_cluster_nodes(self, r):
        response = (
            "c8253bae761cb1ecb2b61857d85dfe455a0fec8b 172.17.0.7:7006 "
            "slave aa90da731f673a99617dfe930306549a09f83a6b 0 "
            "1447836263059 5 connected\n"
            "9bd595fe4821a0e8d6b99d70faa660638a7612b3 172.17.0.7:7008 "
            "master - 0 1447836264065 0 connected\n"
            "aa90da731f673a99617dfe930306549a09f83a6b 172.17.0.7:7003 "
            "myself,master - 0 0 2 connected 5461-10922\n"
            "1df047e5a594f945d82fc140be97a1452bcbf93e 172.17.0.7:7007 "
            "slave 19efe5a631f3296fdf21a5441680f893e8cc96ec 0 "
            "1447836262556 3 connected\n"
            "4ad9a12e63e8f0207025eeba2354bcf4c85e5b22 172.17.0.7:7005 "
            "master - 0 1447836262555 7 connected 0-5460\n"
            "19efe5a631f3296fdf21a5441680f893e8cc96ec 172.17.0.7:7004 "
            "master - 0 1447836263562 3 connected 10923-16383\n"
            "fbb23ed8cfa23f17eaf27ff7d0c410492a1093d6 172.17.0.7:7002 "
            "master,fail - 1447829446956 1447829444948 1 disconnected\n"
        )
        mock_all_nodes_resp(r, response)
        nodes = r.cluster_nodes()
        assert len(nodes) == 7
        assert nodes.get("172.17.0.7:7006") is not None
        assert (
            nodes.get("172.17.0.7:7006").get("node_id")
            == "c8253bae761cb1ecb2b61857d85dfe455a0fec8b"
        )

    @skip_if_redis_enterprise()
    def test_cluster_nodes_importing_migrating(self, r):
        response = (
            "488ead2fcce24d8c0f158f9172cb1f4a9e040fe5 127.0.0.1:16381@26381 "
            "master - 0 1648975557664 3 connected 10923-16383\n"
            "8ae2e70812db80776f739a72374e57fc4ae6f89d 127.0.0.1:16380@26380 "
            "master - 0 1648975555000 2 connected 1 5461-10922 ["
            "2-<-ed8007ccfa2d91a7b76f8e6fba7ba7e257034a16]\n"
            "ed8007ccfa2d91a7b76f8e6fba7ba7e257034a16 127.0.0.1:16379@26379 "
            "myself,master - 0 1648975556000 1 connected 0 2-5460 ["
            "2->-8ae2e70812db80776f739a72374e57fc4ae6f89d]\n"
        )
        mock_all_nodes_resp(r, response)
        nodes = r.cluster_nodes()
        assert len(nodes) == 3
        node_16379 = nodes.get("127.0.0.1:16379")
        node_16380 = nodes.get("127.0.0.1:16380")
        node_16381 = nodes.get("127.0.0.1:16381")
        assert node_16379.get("migrations") == [
            {
                "slot": "2",
                "node_id": "8ae2e70812db80776f739a72374e57fc4ae6f89d",
                "state": "migrating",
            }
        ]
        assert node_16379.get("slots") == [["0"], ["2", "5460"]]
        assert node_16380.get("migrations") == [
            {
                "slot": "2",
                "node_id": "ed8007ccfa2d91a7b76f8e6fba7ba7e257034a16",
                "state": "importing",
            }
        ]
        assert node_16380.get("slots") == [["1"], ["5461", "10922"]]
        assert node_16381.get("slots") == [["10923", "16383"]]
        assert node_16381.get("migrations") == []

    @skip_if_redis_enterprise()
    def test_cluster_replicate(self, r):
        node = r.get_random_node()
        all_replicas = r.get_replicas()
        mock_all_nodes_resp(r, "OK")
        assert r.cluster_replicate(node, "c8253bae761cb61857d") is True
        results = r.cluster_replicate(all_replicas, "c8253bae761cb61857d")
        if isinstance(results, dict):
            for res in results.values():
                assert res is True
        else:
            assert results is True

    @skip_if_redis_enterprise()
    def test_cluster_reset(self, r):
        mock_all_nodes_resp(r, "OK")
        assert r.cluster_reset() is True
        assert r.cluster_reset(False) is True
        all_results = r.cluster_reset(False, target_nodes="all")
        for res in all_results.values():
            assert res is True

    @skip_if_redis_enterprise()
    def test_cluster_save_config(self, r):
        node = r.get_random_node()
        all_nodes = r.get_nodes()
        mock_all_nodes_resp(r, "OK")
        assert r.cluster_save_config(node) is True
        all_results = r.cluster_save_config(all_nodes)
        for res in all_results.values():
            assert res is True

    @skip_if_redis_enterprise()
    def test_cluster_get_keys_in_slot(self, r):
        response = ["{foo}1", "{foo}2"]
        node = r.nodes_manager.get_node_from_slot(12182)
        mock_node_resp(node, response)
        keys = r.cluster_get_keys_in_slot(12182, 4)
        assert keys == response

    @skip_if_redis_enterprise()
    def test_cluster_set_config_epoch(self, r):
        mock_all_nodes_resp(r, "OK")
        assert r.cluster_set_config_epoch(3) is True
        all_results = r.cluster_set_config_epoch(3, target_nodes="all")
        for res in all_results.values():
            assert res is True

    @skip_if_redis_enterprise()
    def test_cluster_setslot(self, r):
        node = r.get_random_node()
        mock_node_resp(node, "OK")
        assert r.cluster_setslot(node, "node_0", 1218, "IMPORTING") is True
        assert r.cluster_setslot(node, "node_0", 1218, "NODE") is True
        assert r.cluster_setslot(node, "node_0", 1218, "MIGRATING") is True
        with pytest.raises(RedisError):
            r.cluster_failover(node, "STABLE")
        with pytest.raises(RedisError):
            r.cluster_failover(node, "STATE")

    def test_cluster_setslot_stable(self, r):
        node = r.nodes_manager.get_node_from_slot(12182)
        mock_node_resp(node, "OK")
        assert r.cluster_setslot_stable(12182) is True
        assert node.redis_connection.connection.read_response.called

    @skip_if_redis_enterprise()
    def test_cluster_replicas(self, r):
        response = [
            b"01eca22229cf3c652b6fca0d09ff6941e0d2e3 "
            b"127.0.0.1:6377@16377 slave "
            b"52611e796814b78e90ad94be9d769a4f668f9a 0 "
            b"1634550063436 4 connected",
            b"r4xfga22229cf3c652b6fca0d09ff69f3e0d4d "
            b"127.0.0.1:6378@16378 slave "
            b"52611e796814b78e90ad94be9d769a4f668f9a 0 "
            b"1634550063436 4 connected",
        ]
        mock_all_nodes_resp(r, response)
        replicas = r.cluster_replicas("52611e796814b78e90ad94be9d769a4f668f9a")
        assert replicas.get("127.0.0.1:6377") is not None
        assert replicas.get("127.0.0.1:6378") is not None
        assert (
            replicas.get("127.0.0.1:6378").get("node_id")
            == "r4xfga22229cf3c652b6fca0d09ff69f3e0d4d"
        )

    @skip_if_server_version_lt("7.0.0")
    def test_cluster_links(self, r):
        node = r.get_random_node()
        res = r.cluster_links(node)
        links_to = sum(x.count("to") for x in res)
        links_for = sum(x.count("from") for x in res)
        assert links_to == links_for
        for i in range(0, len(res) - 1, 2):
            assert res[i][3] == res[i + 1][3]

    def test_cluster_flshslots_not_implemented(self, r):
        with pytest.raises(NotImplementedError):
            r.cluster_flushslots()

    def test_cluster_bumpepoch_not_implemented(self, r):
        with pytest.raises(NotImplementedError):
            r.cluster_bumpepoch()

    @skip_if_redis_enterprise()
    def test_readonly(self):
        r = get_mocked_redis_client(host=default_host, port=default_port)
        mock_all_nodes_resp(r, "OK")
        assert r.readonly() is True
        all_replicas_results = r.readonly(target_nodes="replicas")
        for res in all_replicas_results.values():
            assert res is True
        for replica in r.get_replicas():
            assert replica.redis_connection.connection.read_response.called

    @skip_if_redis_enterprise()
    def test_readwrite(self):
        r = get_mocked_redis_client(host=default_host, port=default_port)
        mock_all_nodes_resp(r, "OK")
        assert r.readwrite() is True
        all_replicas_results = r.readwrite(target_nodes="replicas")
        for res in all_replicas_results.values():
            assert res is True
        for replica in r.get_replicas():
            assert replica.redis_connection.connection.read_response.called

    @skip_if_redis_enterprise()
    def test_bgsave(self, r):
        assert r.bgsave()
        sleep(0.3)
        assert r.bgsave(True)

    def test_info(self, r):
        # Map keys to same slot
        r.set("x{1}", 1)
        r.set("y{1}", 2)
        r.set("z{1}", 3)
        # Get node that handles the slot
        slot = r.keyslot("x{1}")
        node = r.nodes_manager.get_node_from_slot(slot)
        # Run info on that node
        info = r.info(target_nodes=node)
        assert isinstance(info, dict)
        assert info["db0"]["keys"] == 3

    def _init_slowlog_test(self, r, node):
        slowlog_lim = r.config_get("slowlog-log-slower-than", target_nodes=node)
        assert r.config_set("slowlog-log-slower-than", 0, target_nodes=node) is True
        return slowlog_lim["slowlog-log-slower-than"]

    def _teardown_slowlog_test(self, r, node, prev_limit):
        assert (
            r.config_set("slowlog-log-slower-than", prev_limit, target_nodes=node)
            is True
        )

    def test_slowlog_get(self, r, slowlog):
        unicode_string = chr(3456) + "abcd" + chr(3421)
        node = r.get_node_from_key(unicode_string)
        slowlog_limit = self._init_slowlog_test(r, node)
        assert r.slowlog_reset(target_nodes=node)
        r.get(unicode_string)
        slowlog = r.slowlog_get(target_nodes=node)
        assert isinstance(slowlog, list)
        commands = [log["command"] for log in slowlog]

        get_command = b" ".join((b"GET", unicode_string.encode("utf-8")))
        assert get_command in commands
        assert b"SLOWLOG RESET" in commands

        # the order should be ['GET <uni string>', 'SLOWLOG RESET'],
        # but if other clients are executing commands at the same time, there
        # could be commands, before, between, or after, so just check that
        # the two we care about are in the appropriate order.
        assert commands.index(get_command) < commands.index(b"SLOWLOG RESET")

        # make sure other attributes are typed correctly
        assert isinstance(slowlog[0]["start_time"], int)
        assert isinstance(slowlog[0]["duration"], int)
        # rollback the slowlog limit to its original value
        self._teardown_slowlog_test(r, node, slowlog_limit)

    def test_slowlog_get_limit(self, r, slowlog):
        assert r.slowlog_reset()
        node = r.get_node_from_key("foo")
        slowlog_limit = self._init_slowlog_test(r, node)
        r.get("foo")
        slowlog = r.slowlog_get(1, target_nodes=node)
        assert isinstance(slowlog, list)
        # only one command, based on the number we passed to slowlog_get()
        assert len(slowlog) == 1
        self._teardown_slowlog_test(r, node, slowlog_limit)

    def test_slowlog_length(self, r, slowlog):
        r.get("foo")
        node = r.nodes_manager.get_node_from_slot(key_slot(b"foo"))
        slowlog_len = r.slowlog_len(target_nodes=node)
        assert isinstance(slowlog_len, int)

    def test_time(self, r):
        t = r.time(target_nodes=r.get_primaries()[0])
        assert len(t) == 2
        assert isinstance(t[0], int)
        assert isinstance(t[1], int)

    @skip_if_server_version_lt("4.0.0")
    def test_memory_usage(self, r):
        r.set("foo", "bar")
        assert isinstance(r.memory_usage("foo"), int)

    @skip_if_server_version_lt("4.0.0")
    @skip_if_redis_enterprise()
    def test_memory_malloc_stats(self, r):
        assert r.memory_malloc_stats()

    @skip_if_server_version_lt("4.0.0")
    @skip_if_redis_enterprise()
    def test_memory_stats(self, r):
        # put a key into the current db to make sure that "db.<current-db>"
        # has data
        r.set("foo", "bar")
        node = r.nodes_manager.get_node_from_slot(key_slot(b"foo"))
        stats = r.memory_stats(target_nodes=node)
        assert isinstance(stats, dict)
        for key, value in stats.items():
            if key.startswith("db."):
                assert isinstance(value, dict)

    @skip_if_server_version_lt("4.0.0")
    def test_memory_help(self, r):
        with pytest.raises(NotImplementedError):
            r.memory_help()

    @skip_if_server_version_lt("4.0.0")
    def test_memory_doctor(self, r):
        with pytest.raises(NotImplementedError):
            r.memory_doctor()

    @skip_if_redis_enterprise()
    def test_lastsave(self, r):
        node = r.get_primaries()[0]
        assert isinstance(r.lastsave(target_nodes=node), datetime.datetime)

    def test_cluster_echo(self, r):
        node = r.get_primaries()[0]
        assert r.echo("foo bar", target_nodes=node) == b"foo bar"

    @skip_if_server_version_lt("1.0.0")
    def test_debug_segfault(self, r):
        with pytest.raises(NotImplementedError):
            r.debug_segfault()

    def test_config_resetstat(self, r):
        node = r.get_primaries()[0]
        r.ping(target_nodes=node)
        prior_commands_processed = int(
            r.info(target_nodes=node)["total_commands_processed"]
        )
        assert prior_commands_processed >= 1
        r.config_resetstat(target_nodes=node)
        reset_commands_processed = int(
            r.info(target_nodes=node)["total_commands_processed"]
        )
        assert reset_commands_processed < prior_commands_processed

    @skip_if_server_version_lt("6.2.0")
    def test_client_trackinginfo(self, r):
        node = r.get_primaries()[0]
        res = r.client_trackinginfo(target_nodes=node)
        assert len(res) > 2
        assert "prefixes" in res

    @skip_if_server_version_lt("2.9.50")
    def test_client_pause(self, r):
        node = r.get_primaries()[0]
        assert r.client_pause(1, target_nodes=node)
        assert r.client_pause(timeout=1, target_nodes=node)
        with pytest.raises(RedisError):
            r.client_pause(timeout="not an integer", target_nodes=node)

    @skip_if_server_version_lt("6.2.0")
    @skip_if_redis_enterprise()
    def test_client_unpause(self, r):
        assert r.client_unpause()

    @skip_if_server_version_lt("5.0.0")
    def test_client_id(self, r):
        node = r.get_primaries()[0]
        assert r.client_id(target_nodes=node) > 0

    @skip_if_server_version_lt("5.0.0")
    def test_client_unblock(self, r):
        node = r.get_primaries()[0]
        myid = r.client_id(target_nodes=node)
        assert not r.client_unblock(myid, target_nodes=node)
        assert not r.client_unblock(myid, error=True, target_nodes=node)
        assert not r.client_unblock(myid, error=False, target_nodes=node)

    @skip_if_server_version_lt("6.0.0")
    def test_client_getredir(self, r):
        node = r.get_primaries()[0]
        assert isinstance(r.client_getredir(target_nodes=node), int)
        assert r.client_getredir(target_nodes=node) == -1

    @skip_if_server_version_lt("6.2.0")
    def test_client_info(self, r):
        node = r.get_primaries()[0]
        info = r.client_info(target_nodes=node)
        assert isinstance(info, dict)
        assert "addr" in info

    @skip_if_server_version_lt("2.6.9")
    def test_client_kill(self, r, r2):
        node = r.get_primaries()[0]
        r.client_setname("redis-py-c1", target_nodes="all")
        r2.client_setname("redis-py-c2", target_nodes="all")
        clients = [
            client
            for client in r.client_list(target_nodes=node)
            if client.get("name") in ["redis-py-c1", "redis-py-c2"]
        ]
        assert len(clients) == 2
        clients_by_name = {client.get("name"): client for client in clients}

        client_addr = clients_by_name["redis-py-c2"].get("addr")
        assert r.client_kill(client_addr, target_nodes=node) is True

        clients = [
            client
            for client in r.client_list(target_nodes=node)
            if client.get("name") in ["redis-py-c1", "redis-py-c2"]
        ]
        assert len(clients) == 1
        assert clients[0].get("name") == "redis-py-c1"

    @skip_if_server_version_lt("2.6.0")
    def test_cluster_bitop_not_empty_string(self, r):
        r["{foo}a"] = ""
        r.bitop("not", "{foo}r", "{foo}a")
        assert r.get("{foo}r") is None

    @skip_if_server_version_lt("2.6.0")
    def test_cluster_bitop_not(self, r):
        test_str = b"\xAA\x00\xFF\x55"
        correct = ~0xAA00FF55 & 0xFFFFFFFF
        r["{foo}a"] = test_str
        r.bitop("not", "{foo}r", "{foo}a")
        assert int(binascii.hexlify(r["{foo}r"]), 16) == correct

    @skip_if_server_version_lt("2.6.0")
    def test_cluster_bitop_not_in_place(self, r):
        test_str = b"\xAA\x00\xFF\x55"
        correct = ~0xAA00FF55 & 0xFFFFFFFF
        r["{foo}a"] = test_str
        r.bitop("not", "{foo}a", "{foo}a")
        assert int(binascii.hexlify(r["{foo}a"]), 16) == correct

    @skip_if_server_version_lt("2.6.0")
    def test_cluster_bitop_single_string(self, r):
        test_str = b"\x01\x02\xFF"
        r["{foo}a"] = test_str
        r.bitop("and", "{foo}res1", "{foo}a")
        r.bitop("or", "{foo}res2", "{foo}a")
        r.bitop("xor", "{foo}res3", "{foo}a")
        assert r["{foo}res1"] == test_str
        assert r["{foo}res2"] == test_str
        assert r["{foo}res3"] == test_str

    @skip_if_server_version_lt("2.6.0")
    def test_cluster_bitop_string_operands(self, r):
        r["{foo}a"] = b"\x01\x02\xFF\xFF"
        r["{foo}b"] = b"\x01\x02\xFF"
        r.bitop("and", "{foo}res1", "{foo}a", "{foo}b")
        r.bitop("or", "{foo}res2", "{foo}a", "{foo}b")
        r.bitop("xor", "{foo}res3", "{foo}a", "{foo}b")
        assert int(binascii.hexlify(r["{foo}res1"]), 16) == 0x0102FF00
        assert int(binascii.hexlify(r["{foo}res2"]), 16) == 0x0102FFFF
        assert int(binascii.hexlify(r["{foo}res3"]), 16) == 0x000000FF

    @skip_if_server_version_lt("6.2.0")
    def test_cluster_copy(self, r):
        assert r.copy("{foo}a", "{foo}b") == 0
        r.set("{foo}a", "bar")
        assert r.copy("{foo}a", "{foo}b") == 1
        assert r.get("{foo}a") == b"bar"
        assert r.get("{foo}b") == b"bar"

    @skip_if_server_version_lt("6.2.0")
    def test_cluster_copy_and_replace(self, r):
        r.set("{foo}a", "foo1")
        r.set("{foo}b", "foo2")
        assert r.copy("{foo}a", "{foo}b") == 0
        assert r.copy("{foo}a", "{foo}b", replace=True) == 1

    @skip_if_server_version_lt("6.2.0")
    def test_cluster_lmove(self, r):
        r.rpush("{foo}a", "one", "two", "three", "four")
        assert r.lmove("{foo}a", "{foo}b")
        assert r.lmove("{foo}a", "{foo}b", "right", "left")

    @skip_if_server_version_lt("6.2.0")
    def test_cluster_blmove(self, r):
        r.rpush("{foo}a", "one", "two", "three", "four")
        assert r.blmove("{foo}a", "{foo}b", 5)
        assert r.blmove("{foo}a", "{foo}b", 1, "RIGHT", "LEFT")

    def test_cluster_msetnx(self, r):
        d = {"{foo}a": b"1", "{foo}b": b"2", "{foo}c": b"3"}
        assert r.msetnx(d)
        d2 = {"{foo}a": b"x", "{foo}d": b"4"}
        assert not r.msetnx(d2)
        for k, v in d.items():
            assert r[k] == v
        assert r.get("{foo}d") is None

    def test_cluster_rename(self, r):
        r["{foo}a"] = "1"
        assert r.rename("{foo}a", "{foo}b")
        assert r.get("{foo}a") is None
        assert r["{foo}b"] == b"1"

    def test_cluster_renamenx(self, r):
        r["{foo}a"] = "1"
        r["{foo}b"] = "2"
        assert not r.renamenx("{foo}a", "{foo}b")
        assert r["{foo}a"] == b"1"
        assert r["{foo}b"] == b"2"

    # LIST COMMANDS
    def test_cluster_blpop(self, r):
        r.rpush("{foo}a", "1", "2")
        r.rpush("{foo}b", "3", "4")
        assert r.blpop(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}b", b"3")
        assert r.blpop(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}b", b"4")
        assert r.blpop(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}a", b"1")
        assert r.blpop(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}a", b"2")
        assert r.blpop(["{foo}b", "{foo}a"], timeout=1) is None
        r.rpush("{foo}c", "1")
        assert r.blpop("{foo}c", timeout=1) == (b"{foo}c", b"1")

    def test_cluster_brpop(self, r):
        r.rpush("{foo}a", "1", "2")
        r.rpush("{foo}b", "3", "4")
        assert r.brpop(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}b", b"4")
        assert r.brpop(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}b", b"3")
        assert r.brpop(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}a", b"2")
        assert r.brpop(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}a", b"1")
        assert r.brpop(["{foo}b", "{foo}a"], timeout=1) is None
        r.rpush("{foo}c", "1")
        assert r.brpop("{foo}c", timeout=1) == (b"{foo}c", b"1")

    def test_cluster_brpoplpush(self, r):
        r.rpush("{foo}a", "1", "2")
        r.rpush("{foo}b", "3", "4")
        assert r.brpoplpush("{foo}a", "{foo}b") == b"2"
        assert r.brpoplpush("{foo}a", "{foo}b") == b"1"
        assert r.brpoplpush("{foo}a", "{foo}b", timeout=1) is None
        assert r.lrange("{foo}a", 0, -1) == []
        assert r.lrange("{foo}b", 0, -1) == [b"1", b"2", b"3", b"4"]

    def test_cluster_brpoplpush_empty_string(self, r):
        r.rpush("{foo}a", "")
        assert r.brpoplpush("{foo}a", "{foo}b") == b""

    def test_cluster_rpoplpush(self, r):
        r.rpush("{foo}a", "a1", "a2", "a3")
        r.rpush("{foo}b", "b1", "b2", "b3")
        assert r.rpoplpush("{foo}a", "{foo}b") == b"a3"
        assert r.lrange("{foo}a", 0, -1) == [b"a1", b"a2"]
        assert r.lrange("{foo}b", 0, -1) == [b"a3", b"b1", b"b2", b"b3"]

    def test_cluster_sdiff(self, r):
        r.sadd("{foo}a", "1", "2", "3")
        assert r.sdiff("{foo}a", "{foo}b") == {b"1", b"2", b"3"}
        r.sadd("{foo}b", "2", "3")
        assert r.sdiff("{foo}a", "{foo}b") == {b"1"}

    def test_cluster_sdiffstore(self, r):
        r.sadd("{foo}a", "1", "2", "3")
        assert r.sdiffstore("{foo}c", "{foo}a", "{foo}b") == 3
        assert r.smembers("{foo}c") == {b"1", b"2", b"3"}
        r.sadd("{foo}b", "2", "3")
        assert r.sdiffstore("{foo}c", "{foo}a", "{foo}b") == 1
        assert r.smembers("{foo}c") == {b"1"}

    def test_cluster_sinter(self, r):
        r.sadd("{foo}a", "1", "2", "3")
        assert r.sinter("{foo}a", "{foo}b") == set()
        r.sadd("{foo}b", "2", "3")
        assert r.sinter("{foo}a", "{foo}b") == {b"2", b"3"}

    def test_cluster_sinterstore(self, r):
        r.sadd("{foo}a", "1", "2", "3")
        assert r.sinterstore("{foo}c", "{foo}a", "{foo}b") == 0
        assert r.smembers("{foo}c") == set()
        r.sadd("{foo}b", "2", "3")
        assert r.sinterstore("{foo}c", "{foo}a", "{foo}b") == 2
        assert r.smembers("{foo}c") == {b"2", b"3"}

    def test_cluster_smove(self, r):
        r.sadd("{foo}a", "a1", "a2")
        r.sadd("{foo}b", "b1", "b2")
        assert r.smove("{foo}a", "{foo}b", "a1")
        assert r.smembers("{foo}a") == {b"a2"}
        assert r.smembers("{foo}b") == {b"b1", b"b2", b"a1"}

    def test_cluster_sunion(self, r):
        r.sadd("{foo}a", "1", "2")
        r.sadd("{foo}b", "2", "3")
        assert r.sunion("{foo}a", "{foo}b") == {b"1", b"2", b"3"}

    def test_cluster_sunionstore(self, r):
        r.sadd("{foo}a", "1", "2")
        r.sadd("{foo}b", "2", "3")
        assert r.sunionstore("{foo}c", "{foo}a", "{foo}b") == 3
        assert r.smembers("{foo}c") == {b"1", b"2", b"3"}

    @skip_if_server_version_lt("6.2.0")
    def test_cluster_zdiff(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 2, "a3": 3})
        r.zadd("{foo}b", {"a1": 1, "a2": 2})
        assert r.zdiff(["{foo}a", "{foo}b"]) == [b"a3"]
        assert r.zdiff(["{foo}a", "{foo}b"], withscores=True) == [b"a3", b"3"]

    @skip_if_server_version_lt("6.2.0")
    def test_cluster_zdiffstore(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 2, "a3": 3})
        r.zadd("{foo}b", {"a1": 1, "a2": 2})
        assert r.zdiffstore("{foo}out", ["{foo}a", "{foo}b"])
        assert r.zrange("{foo}out", 0, -1) == [b"a3"]
        assert r.zrange("{foo}out", 0, -1, withscores=True) == [(b"a3", 3.0)]

    @skip_if_server_version_lt("6.2.0")
    def test_cluster_zinter(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 2, "a3": 1})
        r.zadd("{foo}b", {"a1": 2, "a2": 2, "a3": 2})
        r.zadd("{foo}c", {"a1": 6, "a3": 5, "a4": 4})
        assert r.zinter(["{foo}a", "{foo}b", "{foo}c"]) == [b"a3", b"a1"]
        # invalid aggregation
        with pytest.raises(DataError):
            r.zinter(["{foo}a", "{foo}b", "{foo}c"], aggregate="foo", withscores=True)
        # aggregate with SUM
        assert r.zinter(["{foo}a", "{foo}b", "{foo}c"], withscores=True) == [
            (b"a3", 8),
            (b"a1", 9),
        ]
        # aggregate with MAX
        assert r.zinter(
            ["{foo}a", "{foo}b", "{foo}c"], aggregate="MAX", withscores=True
        ) == [(b"a3", 5), (b"a1", 6)]
        # aggregate with MIN
        assert r.zinter(
            ["{foo}a", "{foo}b", "{foo}c"], aggregate="MIN", withscores=True
        ) == [(b"a1", 1), (b"a3", 1)]
        # with weights
        assert r.zinter({"{foo}a": 1, "{foo}b": 2, "{foo}c": 3}, withscores=True) == [
            (b"a3", 20),
            (b"a1", 23),
        ]

    def test_cluster_zinterstore_sum(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 1, "a3": 1})
        r.zadd("{foo}b", {"a1": 2, "a2": 2, "a3": 2})
        r.zadd("{foo}c", {"a1": 6, "a3": 5, "a4": 4})
        assert r.zinterstore("{foo}d", ["{foo}a", "{foo}b", "{foo}c"]) == 2
        assert r.zrange("{foo}d", 0, -1, withscores=True) == [(b"a3", 8), (b"a1", 9)]

    def test_cluster_zinterstore_max(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 1, "a3": 1})
        r.zadd("{foo}b", {"a1": 2, "a2": 2, "a3": 2})
        r.zadd("{foo}c", {"a1": 6, "a3": 5, "a4": 4})
        assert (
            r.zinterstore("{foo}d", ["{foo}a", "{foo}b", "{foo}c"], aggregate="MAX")
            == 2
        )
        assert r.zrange("{foo}d", 0, -1, withscores=True) == [(b"a3", 5), (b"a1", 6)]

    def test_cluster_zinterstore_min(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 2, "a3": 3})
        r.zadd("{foo}b", {"a1": 2, "a2": 3, "a3": 5})
        r.zadd("{foo}c", {"a1": 6, "a3": 5, "a4": 4})
        assert (
            r.zinterstore("{foo}d", ["{foo}a", "{foo}b", "{foo}c"], aggregate="MIN")
            == 2
        )
        assert r.zrange("{foo}d", 0, -1, withscores=True) == [(b"a1", 1), (b"a3", 3)]

    def test_cluster_zinterstore_with_weight(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 1, "a3": 1})
        r.zadd("{foo}b", {"a1": 2, "a2": 2, "a3": 2})
        r.zadd("{foo}c", {"a1": 6, "a3": 5, "a4": 4})
        assert r.zinterstore("{foo}d", {"{foo}a": 1, "{foo}b": 2, "{foo}c": 3}) == 2
        assert r.zrange("{foo}d", 0, -1, withscores=True) == [(b"a3", 20), (b"a1", 23)]

    @skip_if_server_version_lt("4.9.0")
    def test_cluster_bzpopmax(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 2})
        r.zadd("{foo}b", {"b1": 10, "b2": 20})
        assert r.bzpopmax(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}b", b"b2", 20)
        assert r.bzpopmax(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}b", b"b1", 10)
        assert r.bzpopmax(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}a", b"a2", 2)
        assert r.bzpopmax(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}a", b"a1", 1)
        assert r.bzpopmax(["{foo}b", "{foo}a"], timeout=1) is None
        r.zadd("{foo}c", {"c1": 100})
        assert r.bzpopmax("{foo}c", timeout=1) == (b"{foo}c", b"c1", 100)

    @skip_if_server_version_lt("4.9.0")
    def test_cluster_bzpopmin(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 2})
        r.zadd("{foo}b", {"b1": 10, "b2": 20})
        assert r.bzpopmin(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}b", b"b1", 10)
        assert r.bzpopmin(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}b", b"b2", 20)
        assert r.bzpopmin(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}a", b"a1", 1)
        assert r.bzpopmin(["{foo}b", "{foo}a"], timeout=1) == (b"{foo}a", b"a2", 2)
        assert r.bzpopmin(["{foo}b", "{foo}a"], timeout=1) is None
        r.zadd("{foo}c", {"c1": 100})
        assert r.bzpopmin("{foo}c", timeout=1) == (b"{foo}c", b"c1", 100)

    @skip_if_server_version_lt("6.2.0")
    def test_cluster_zrangestore(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 2, "a3": 3})
        assert r.zrangestore("{foo}b", "{foo}a", 0, 1)
        assert r.zrange("{foo}b", 0, -1) == [b"a1", b"a2"]
        assert r.zrangestore("{foo}b", "{foo}a", 1, 2)
        assert r.zrange("{foo}b", 0, -1) == [b"a2", b"a3"]
        assert r.zrange("{foo}b", 0, -1, withscores=True) == [(b"a2", 2), (b"a3", 3)]
        # reversed order
        assert r.zrangestore("{foo}b", "{foo}a", 1, 2, desc=True)
        assert r.zrange("{foo}b", 0, -1) == [b"a1", b"a2"]
        # by score
        assert r.zrangestore(
            "{foo}b", "{foo}a", 2, 1, byscore=True, offset=0, num=1, desc=True
        )
        assert r.zrange("{foo}b", 0, -1) == [b"a2"]
        # by lex
        assert r.zrangestore(
            "{foo}b", "{foo}a", "[a2", "(a3", bylex=True, offset=0, num=1
        )
        assert r.zrange("{foo}b", 0, -1) == [b"a2"]

    @skip_if_server_version_lt("6.2.0")
    def test_cluster_zunion(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 1, "a3": 1})
        r.zadd("{foo}b", {"a1": 2, "a2": 2, "a3": 2})
        r.zadd("{foo}c", {"a1": 6, "a3": 5, "a4": 4})
        # sum
        assert r.zunion(["{foo}a", "{foo}b", "{foo}c"]) == [b"a2", b"a4", b"a3", b"a1"]
        assert r.zunion(["{foo}a", "{foo}b", "{foo}c"], withscores=True) == [
            (b"a2", 3),
            (b"a4", 4),
            (b"a3", 8),
            (b"a1", 9),
        ]
        # max
        assert r.zunion(
            ["{foo}a", "{foo}b", "{foo}c"], aggregate="MAX", withscores=True
        ) == [(b"a2", 2), (b"a4", 4), (b"a3", 5), (b"a1", 6)]
        # min
        assert r.zunion(
            ["{foo}a", "{foo}b", "{foo}c"], aggregate="MIN", withscores=True
        ) == [(b"a1", 1), (b"a2", 1), (b"a3", 1), (b"a4", 4)]
        # with weight
        assert r.zunion({"{foo}a": 1, "{foo}b": 2, "{foo}c": 3}, withscores=True) == [
            (b"a2", 5),
            (b"a4", 12),
            (b"a3", 20),
            (b"a1", 23),
        ]

    def test_cluster_zunionstore_sum(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 1, "a3": 1})
        r.zadd("{foo}b", {"a1": 2, "a2": 2, "a3": 2})
        r.zadd("{foo}c", {"a1": 6, "a3": 5, "a4": 4})
        assert r.zunionstore("{foo}d", ["{foo}a", "{foo}b", "{foo}c"]) == 4
        assert r.zrange("{foo}d", 0, -1, withscores=True) == [
            (b"a2", 3),
            (b"a4", 4),
            (b"a3", 8),
            (b"a1", 9),
        ]

    def test_cluster_zunionstore_max(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 1, "a3": 1})
        r.zadd("{foo}b", {"a1": 2, "a2": 2, "a3": 2})
        r.zadd("{foo}c", {"a1": 6, "a3": 5, "a4": 4})
        assert (
            r.zunionstore("{foo}d", ["{foo}a", "{foo}b", "{foo}c"], aggregate="MAX")
            == 4
        )
        assert r.zrange("{foo}d", 0, -1, withscores=True) == [
            (b"a2", 2),
            (b"a4", 4),
            (b"a3", 5),
            (b"a1", 6),
        ]

    def test_cluster_zunionstore_min(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 2, "a3": 3})
        r.zadd("{foo}b", {"a1": 2, "a2": 2, "a3": 4})
        r.zadd("{foo}c", {"a1": 6, "a3": 5, "a4": 4})
        assert (
            r.zunionstore("{foo}d", ["{foo}a", "{foo}b", "{foo}c"], aggregate="MIN")
            == 4
        )
        assert r.zrange("{foo}d", 0, -1, withscores=True) == [
            (b"a1", 1),
            (b"a2", 2),
            (b"a3", 3),
            (b"a4", 4),
        ]

    def test_cluster_zunionstore_with_weight(self, r):
        r.zadd("{foo}a", {"a1": 1, "a2": 1, "a3": 1})
        r.zadd("{foo}b", {"a1": 2, "a2": 2, "a3": 2})
        r.zadd("{foo}c", {"a1": 6, "a3": 5, "a4": 4})
        assert r.zunionstore("{foo}d", {"{foo}a": 1, "{foo}b": 2, "{foo}c": 3}) == 4
        assert r.zrange("{foo}d", 0, -1, withscores=True) == [
            (b"a2", 5),
            (b"a4", 12),
            (b"a3", 20),
            (b"a1", 23),
        ]

    @skip_if_server_version_lt("2.8.9")
    def test_cluster_pfcount(self, r):
        members = {b"1", b"2", b"3"}
        r.pfadd("{foo}a", *members)
        assert r.pfcount("{foo}a") == len(members)
        members_b = {b"2", b"3", b"4"}
        r.pfadd("{foo}b", *members_b)
        assert r.pfcount("{foo}b") == len(members_b)
        assert r.pfcount("{foo}a", "{foo}b") == len(members_b.union(members))

    @skip_if_server_version_lt("2.8.9")
    def test_cluster_pfmerge(self, r):
        mema = {b"1", b"2", b"3"}
        memb = {b"2", b"3", b"4"}
        memc = {b"5", b"6", b"7"}
        r.pfadd("{foo}a", *mema)
        r.pfadd("{foo}b", *memb)
        r.pfadd("{foo}c", *memc)
        r.pfmerge("{foo}d", "{foo}c", "{foo}a")
        assert r.pfcount("{foo}d") == 6
        r.pfmerge("{foo}d", "{foo}b")
        assert r.pfcount("{foo}d") == 7

    def test_cluster_sort_store(self, r):
        r.rpush("{foo}a", "2", "3", "1")
        assert r.sort("{foo}a", store="{foo}sorted_values") == 3
        assert r.lrange("{foo}sorted_values", 0, -1) == [b"1", b"2", b"3"]

    # GEO COMMANDS
    @skip_if_server_version_lt("6.2.0")
    def test_cluster_geosearchstore(self, r):
        values = (2.1909389952632, 41.433791470673, "place1") + (
            2.1873744593677,
            41.406342043777,
            "place2",
        )

        r.geoadd("{foo}barcelona", values)
        r.geosearchstore(
            "{foo}places_barcelona",
            "{foo}barcelona",
            longitude=2.191,
            latitude=41.433,
            radius=1000,
        )
        assert r.zrange("{foo}places_barcelona", 0, -1) == [b"place1"]

    @skip_unless_arch_bits(64)
    @skip_if_server_version_lt("6.2.0")
    def test_geosearchstore_dist(self, r):
        values = (2.1909389952632, 41.433791470673, "place1") + (
            2.1873744593677,
            41.406342043777,
            "place2",
        )

        r.geoadd("{foo}barcelona", values)
        r.geosearchstore(
            "{foo}places_barcelona",
            "{foo}barcelona",
            longitude=2.191,
            latitude=41.433,
            radius=1000,
            storedist=True,
        )
        # instead of save the geo score, the distance is saved.
        assert r.zscore("{foo}places_barcelona", "place1") == 88.05060698409301

    @skip_if_server_version_lt("3.2.0")
    def test_cluster_georadius_store(self, r):
        values = (2.1909389952632, 41.433791470673, "place1") + (
            2.1873744593677,
            41.406342043777,
            "place2",
        )

        r.geoadd("{foo}barcelona", values)
        r.georadius(
            "{foo}barcelona", 2.191, 41.433, 1000, store="{foo}places_barcelona"
        )
        assert r.zrange("{foo}places_barcelona", 0, -1) == [b"place1"]

    @skip_unless_arch_bits(64)
    @skip_if_server_version_lt("3.2.0")
    def test_cluster_georadius_store_dist(self, r):
        values = (2.1909389952632, 41.433791470673, "place1") + (
            2.1873744593677,
            41.406342043777,
            "place2",
        )

        r.geoadd("{foo}barcelona", values)
        r.georadius(
            "{foo}barcelona", 2.191, 41.433, 1000, store_dist="{foo}places_barcelona"
        )
        # instead of save the geo score, the distance is saved.
        assert r.zscore("{foo}places_barcelona", "place1") == 88.05060698409301

    def test_cluster_dbsize(self, r):
        d = {"a": b"1", "b": b"2", "c": b"3", "d": b"4"}
        assert r.mset_nonatomic(d)
        assert r.dbsize(target_nodes="primaries") == len(d)

    def test_cluster_keys(self, r):
        assert r.keys() == []
        keys_with_underscores = {b"test_a", b"test_b"}
        keys = keys_with_underscores.union({b"testc"})
        for key in keys:
            r[key] = 1
        assert (
            set(r.keys(pattern="test_*", target_nodes="primaries"))
            == keys_with_underscores
        )
        assert set(r.keys(pattern="test*", target_nodes="primaries")) == keys

    # SCAN COMMANDS
    @skip_if_server_version_lt("2.8.0")
    def test_cluster_scan(self, r):
        r.set("a", 1)
        r.set("b", 2)
        r.set("c", 3)

        for target_nodes, nodes in zip(
            ["primaries", "replicas"], [r.get_primaries(), r.get_replicas()]
        ):
            cursors, keys = r.scan(target_nodes=target_nodes)
            assert sorted(keys) == [b"a", b"b", b"c"]
            assert sorted(cursors.keys()) == sorted(node.name for node in nodes)
            assert all(cursor == 0 for cursor in cursors.values())

            cursors, keys = r.scan(match="a*", target_nodes=target_nodes)
            assert sorted(keys) == [b"a"]
            assert sorted(cursors.keys()) == sorted(node.name for node in nodes)
            assert all(cursor == 0 for cursor in cursors.values())

    @skip_if_server_version_lt("6.0.0")
    def test_cluster_scan_type(self, r):
        r.sadd("a-set", 1)
        r.sadd("b-set", 1)
        r.sadd("c-set", 1)
        r.hset("a-hash", "foo", 2)
        r.lpush("a-list", "aux", 3)

        for target_nodes, nodes in zip(
            ["primaries", "replicas"], [r.get_primaries(), r.get_replicas()]
        ):
            cursors, keys = r.scan(_type="SET", target_nodes=target_nodes)
            assert sorted(keys) == [b"a-set", b"b-set", b"c-set"]
            assert sorted(cursors.keys()) == sorted(node.name for node in nodes)
            assert all(cursor == 0 for cursor in cursors.values())

            cursors, keys = r.scan(_type="SET", match="a*", target_nodes=target_nodes)
            assert sorted(keys) == [b"a-set"]
            assert sorted(cursors.keys()) == sorted(node.name for node in nodes)
            assert all(cursor == 0 for cursor in cursors.values())

    @skip_if_server_version_lt("2.8.0")
    def test_cluster_scan_iter(self, r):
        keys_all = []
        keys_1 = []
        for i in range(100):
            s = str(i)
            r.set(s, 1)
            keys_all.append(s.encode("utf-8"))
            if s.startswith("1"):
                keys_1.append(s.encode("utf-8"))
        keys_all.sort()
        keys_1.sort()

        for target_nodes in ["primaries", "replicas"]:
            keys = r.scan_iter(target_nodes=target_nodes)
            assert sorted(keys) == keys_all

            keys = r.scan_iter(match="1*", target_nodes=target_nodes)
            assert sorted(keys) == keys_1

    def test_cluster_randomkey(self, r):
        node = r.get_node_from_key("{foo}")
        assert r.randomkey(target_nodes=node) is None
        for key in ("{foo}a", "{foo}b", "{foo}c"):
            r[key] = 1
        assert r.randomkey(target_nodes=node) in (b"{foo}a", b"{foo}b", b"{foo}c")

    @skip_if_server_version_lt("6.0.0")
    @skip_if_redis_enterprise()
    def test_acl_log(self, r, request):
        key = "{cache}:"
        node = r.get_node_from_key(key)
        username = "redis-py-user"

        def teardown():
            r.acl_deluser(username, target_nodes="primaries")

        request.addfinalizer(teardown)
        r.acl_setuser(
            username,
            enabled=True,
            reset=True,
            commands=["+get", "+set", "+select", "+cluster", "+command", "+info"],
            keys=["{cache}:*"],
            nopass=True,
            target_nodes="primaries",
        )
        r.acl_log_reset(target_nodes=node)

        user_client = _get_client(
            RedisCluster, request, flushdb=False, username=username
        )

        # Valid operation and key
        assert user_client.set("{cache}:0", 1)
        assert user_client.get("{cache}:0") == b"1"

        # Invalid key
        with pytest.raises(NoPermissionError):
            user_client.get("{cache}violated_cache:0")

        # Invalid operation
        with pytest.raises(NoPermissionError):
            user_client.hset("{cache}:0", "hkey", "hval")

        assert isinstance(r.acl_log(target_nodes=node), list)
        assert len(r.acl_log(target_nodes=node)) == 2
        assert len(r.acl_log(count=1, target_nodes=node)) == 1
        assert isinstance(r.acl_log(target_nodes=node)[0], dict)
        assert "client-info" in r.acl_log(count=1, target_nodes=node)[0]
        assert r.acl_log_reset(target_nodes=node)


@pytest.mark.onlycluster
class TestNodesManager:
    """
    Tests for the NodesManager class
    """

    def test_load_balancer(self, r):
        n_manager = r.nodes_manager
        lb = n_manager.read_load_balancer
        slot_1 = 1257
        slot_2 = 8975
        node_1 = ClusterNode(default_host, 6379, PRIMARY)
        node_2 = ClusterNode(default_host, 6378, REPLICA)
        node_3 = ClusterNode(default_host, 6377, REPLICA)
        node_4 = ClusterNode(default_host, 6376, PRIMARY)
        node_5 = ClusterNode(default_host, 6375, REPLICA)
        n_manager.slots_cache = {
            slot_1: [node_1, node_2, node_3],
            slot_2: [node_4, node_5],
        }
        primary1_name = n_manager.slots_cache[slot_1][0].name
        primary2_name = n_manager.slots_cache[slot_2][0].name
        list1_size = len(n_manager.slots_cache[slot_1])
        list2_size = len(n_manager.slots_cache[slot_2])
        # slot 1
        assert lb.get_server_index(primary1_name, list1_size) == 0
        assert lb.get_server_index(primary1_name, list1_size) == 1
        assert lb.get_server_index(primary1_name, list1_size) == 2
        assert lb.get_server_index(primary1_name, list1_size) == 0
        # slot 2
        assert lb.get_server_index(primary2_name, list2_size) == 0
        assert lb.get_server_index(primary2_name, list2_size) == 1
        assert lb.get_server_index(primary2_name, list2_size) == 0

        lb.reset()
        assert lb.get_server_index(primary1_name, list1_size) == 0
        assert lb.get_server_index(primary2_name, list2_size) == 0

    def test_init_slots_cache_not_all_slots_covered(self):
        """
        Test that if not all slots are covered it should raise an exception
        """
        # Missing slot 5460
        cluster_slots = [
            [0, 5459, ["127.0.0.1", 7000], ["127.0.0.1", 7003]],
            [5461, 10922, ["127.0.0.1", 7001], ["127.0.0.1", 7004]],
            [10923, 16383, ["127.0.0.1", 7002], ["127.0.0.1", 7005]],
        ]
        with pytest.raises(RedisClusterException) as ex:
            get_mocked_redis_client(
                host=default_host,
                port=default_port,
                cluster_slots=cluster_slots,
                require_full_coverage=True,
            )
        assert str(ex.value).startswith(
            "All slots are not covered after query all startup_nodes."
        )

    def test_init_slots_cache_not_require_full_coverage_success(self):
        """
        When require_full_coverage is set to False and not all slots are
        covered the cluster client initialization should succeed
        """
        # Missing slot 5460
        cluster_slots = [
            [0, 5459, ["127.0.0.1", 7000], ["127.0.0.1", 7003]],
            [5461, 10922, ["127.0.0.1", 7001], ["127.0.0.1", 7004]],
            [10923, 16383, ["127.0.0.1", 7002], ["127.0.0.1", 7005]],
        ]

        rc = get_mocked_redis_client(
            host=default_host,
            port=default_port,
            cluster_slots=cluster_slots,
            require_full_coverage=False,
        )

        assert 5460 not in rc.nodes_manager.slots_cache

    def test_init_slots_cache(self):
        """
        Test that slots cache can in initialized and all slots are covered
        """
        good_slots_resp = [
            [0, 5460, ["127.0.0.1", 7000], ["127.0.0.2", 7003]],
            [5461, 10922, ["127.0.0.1", 7001], ["127.0.0.2", 7004]],
            [10923, 16383, ["127.0.0.1", 7002], ["127.0.0.2", 7005]],
        ]

        rc = get_mocked_redis_client(
            host=default_host, port=default_port, cluster_slots=good_slots_resp
        )
        n_manager = rc.nodes_manager
        assert len(n_manager.slots_cache) == REDIS_CLUSTER_HASH_SLOTS
        for slot_info in good_slots_resp:
            all_hosts = ["127.0.0.1", "127.0.0.2"]
            all_ports = [7000, 7001, 7002, 7003, 7004, 7005]
            slot_start = slot_info[0]
            slot_end = slot_info[1]
            for i in range(slot_start, slot_end + 1):
                assert len(n_manager.slots_cache[i]) == len(slot_info[2:])
                assert n_manager.slots_cache[i][0].host in all_hosts
                assert n_manager.slots_cache[i][1].host in all_hosts
                assert n_manager.slots_cache[i][0].port in all_ports
                assert n_manager.slots_cache[i][1].port in all_ports

        assert len(n_manager.nodes_cache) == 6

    def test_init_slots_cache_cluster_mode_disabled(self):
        """
        Test that creating a RedisCluster failes if one of the startup nodes
        has cluster mode disabled
        """
        with pytest.raises(RedisClusterException) as e:
            get_mocked_redis_client(
                host=default_host, port=default_port, cluster_enabled=False
            )
            assert "Cluster mode is not enabled on this node" in str(e.value)

    def test_empty_startup_nodes(self):
        """
        It should not be possible to create a node manager with no nodes
        specified
        """
        with pytest.raises(RedisClusterException):
            NodesManager([])

    def test_wrong_startup_nodes_type(self):
        """
        If something other then a list type itteratable is provided it should
        fail
        """
        with pytest.raises(RedisClusterException):
            NodesManager({})

    def test_init_slots_cache_slots_collision(self, request):
        """
        Test that if 2 nodes do not agree on the same slots setup it should
        raise an error. In this test both nodes will say that the first
        slots block should be bound to different servers.
        """
        with patch.object(NodesManager, "create_redis_node") as create_redis_node:

            def create_mocked_redis_node(host, port, **kwargs):
                """
                Helper function to return custom slots cache data from
                different redis nodes
                """
                if port == 7000:
                    result = [
                        [0, 5460, ["127.0.0.1", 7000], ["127.0.0.1", 7003]],
                        [5461, 10922, ["127.0.0.1", 7001], ["127.0.0.1", 7004]],
                    ]

                elif port == 7001:
                    result = [
                        [0, 5460, ["127.0.0.1", 7001], ["127.0.0.1", 7003]],
                        [5461, 10922, ["127.0.0.1", 7000], ["127.0.0.1", 7004]],
                    ]
                else:
                    result = []

                r_node = Redis(host=host, port=port)

                orig_execute_command = r_node.execute_command

                def execute_command(*args, **kwargs):
                    if args[0] == "CLUSTER SLOTS":
                        return result
                    elif args[0] == "INFO":
                        return {"cluster_enabled": True}
                    elif args[1] == "cluster-require-full-coverage":
                        return {"cluster-require-full-coverage": "yes"}
                    else:
                        return orig_execute_command(*args, **kwargs)

                r_node.execute_command = execute_command
                return r_node

            create_redis_node.side_effect = create_mocked_redis_node

            with pytest.raises(RedisClusterException) as ex:
                node_1 = ClusterNode("127.0.0.1", 7000)
                node_2 = ClusterNode("127.0.0.1", 7001)
                RedisCluster(startup_nodes=[node_1, node_2])
            assert str(ex.value).startswith(
                "startup_nodes could not agree on a valid slots cache"
            ), str(ex.value)

    def test_cluster_one_instance(self):
        """
        If the cluster exists of only 1 node then there is some hacks that must
        be validated they work.
        """
        node = ClusterNode(default_host, default_port)
        cluster_slots = [[0, 16383, ["", default_port]]]
        rc = get_mocked_redis_client(startup_nodes=[node], cluster_slots=cluster_slots)

        n = rc.nodes_manager
        assert len(n.nodes_cache) == 1
        n_node = rc.get_node(node_name=node.name)
        assert n_node is not None
        assert n_node == node
        assert n_node.server_type == PRIMARY
        assert len(n.slots_cache) == REDIS_CLUSTER_HASH_SLOTS
        for i in range(0, REDIS_CLUSTER_HASH_SLOTS):
            assert n.slots_cache[i] == [n_node]

    def test_init_with_down_node(self):
        """
        If I can't connect to one of the nodes, everything should still work.
        But if I can't connect to any of the nodes, exception should be thrown.
        """
        with patch.object(NodesManager, "create_redis_node") as create_redis_node:

            def create_mocked_redis_node(host, port, **kwargs):
                if port == 7000:
                    raise ConnectionError("mock connection error for 7000")

                r_node = Redis(host=host, port=port, decode_responses=True)

                def execute_command(*args, **kwargs):
                    if args[0] == "CLUSTER SLOTS":
                        return [
                            [0, 8191, ["127.0.0.1", 7001, "node_1"]],
                            [8192, 16383, ["127.0.0.1", 7002, "node_2"]],
                        ]
                    elif args[0] == "INFO":
                        return {"cluster_enabled": True}
                    elif args[1] == "cluster-require-full-coverage":
                        return {"cluster-require-full-coverage": "yes"}

                r_node.execute_command = execute_command

                return r_node

            create_redis_node.side_effect = create_mocked_redis_node

            node_1 = ClusterNode("127.0.0.1", 7000)
            node_2 = ClusterNode("127.0.0.1", 7001)

            # If all startup nodes fail to connect, connection error should be
            # thrown
            with pytest.raises(RedisClusterException) as e:
                RedisCluster(startup_nodes=[node_1])
            assert "Redis Cluster cannot be connected" in str(e.value)

            with patch.object(
                CommandsParser, "initialize", autospec=True
            ) as cmd_parser_initialize:

                def cmd_init_mock(self, r):
                    self.commands = {
                        "get": {
                            "name": "get",
                            "arity": 2,
                            "flags": ["readonly", "fast"],
                            "first_key_pos": 1,
                            "last_key_pos": 1,
                            "step_count": 1,
                        }
                    }

                cmd_parser_initialize.side_effect = cmd_init_mock
                # When at least one startup node is reachable, the cluster
                # initialization should succeeds
                rc = RedisCluster(startup_nodes=[node_1, node_2])
                assert rc.get_node(host=default_host, port=7001) is not None
                assert rc.get_node(host=default_host, port=7002) is not None

    @pytest.mark.parametrize("dynamic_startup_nodes", [True, False])
    def test_init_slots_dynamic_startup_nodes(self, dynamic_startup_nodes):
        rc = get_mocked_redis_client(
            host="my@DNS.com",
            port=7000,
            cluster_slots=default_cluster_slots,
            dynamic_startup_nodes=dynamic_startup_nodes,
        )
        # Nodes are taken from default_cluster_slots
        discovered_nodes = [
            "127.0.0.1:7000",
            "127.0.0.1:7001",
            "127.0.0.1:7002",
            "127.0.0.1:7003",
        ]
        startup_nodes = list(rc.nodes_manager.startup_nodes.keys())
        if dynamic_startup_nodes is True:
            assert startup_nodes.sort() == discovered_nodes.sort()
        else:
            assert startup_nodes == ["my@DNS.com:7000"]


@pytest.mark.onlycluster
class TestClusterPubSubObject:
    """
    Tests for the ClusterPubSub class
    """

    def test_init_pubsub_with_host_and_port(self, r):
        """
        Test creation of pubsub instance with passed host and port
        """
        node = r.get_default_node()
        p = r.pubsub(host=node.host, port=node.port)
        assert p.get_pubsub_node() == node

    def test_init_pubsub_with_node(self, r):
        """
        Test creation of pubsub instance with passed node
        """
        node = r.get_default_node()
        p = r.pubsub(node=node)
        assert p.get_pubsub_node() == node

    def test_init_pubusub_without_specifying_node(self, r):
        """
        Test creation of pubsub instance without specifying a node. The node
        should be determined based on the keyslot of the first command
        execution.
        """
        channel_name = "foo"
        node = r.get_node_from_key(channel_name)
        p = r.pubsub()
        assert p.get_pubsub_node() is None
        p.subscribe(channel_name)
        assert p.get_pubsub_node() == node

    def test_init_pubsub_with_a_non_existent_node(self, r):
        """
        Test creation of pubsub instance with node that doesn't exists in the
        cluster. RedisClusterException should be raised.
        """
        node = ClusterNode("1.1.1.1", 1111)
        with pytest.raises(RedisClusterException):
            r.pubsub(node)

    def test_init_pubsub_with_a_non_existent_host_port(self, r):
        """
        Test creation of pubsub instance with host and port that don't belong
        to a node in the cluster.
        RedisClusterException should be raised.
        """
        with pytest.raises(RedisClusterException):
            r.pubsub(host="1.1.1.1", port=1111)

    def test_init_pubsub_host_or_port(self, r):
        """
        Test creation of pubsub instance with host but without port, and vice
        versa. DataError should be raised.
        """
        with pytest.raises(DataError):
            r.pubsub(host="localhost")

        with pytest.raises(DataError):
            r.pubsub(port=16379)

    def test_get_redis_connection(self, r):
        """
        Test that get_redis_connection() returns the redis connection of the
        set pubsub node
        """
        node = r.get_default_node()
        p = r.pubsub(node=node)
        assert p.get_redis_connection() == node.redis_connection


@pytest.mark.onlycluster
class TestClusterPipeline:
    """
    Tests for the ClusterPipeline class
    """

    def test_blocked_methods(self, r):
        """
        Currently some method calls on a Cluster pipeline
        is blocked when using in cluster mode.
        They maybe implemented in the future.
        """
        pipe = r.pipeline()
        with pytest.raises(RedisClusterException):
            pipe.multi()

        with pytest.raises(RedisClusterException):
            pipe.immediate_execute_command()

        with pytest.raises(RedisClusterException):
            pipe._execute_transaction(None, None, None)

        with pytest.raises(RedisClusterException):
            pipe.load_scripts()

        with pytest.raises(RedisClusterException):
            pipe.watch()

        with pytest.raises(RedisClusterException):
            pipe.unwatch()

        with pytest.raises(RedisClusterException):
            pipe.script_load_for_pipeline(None)

        with pytest.raises(RedisClusterException):
            pipe.eval()

    def test_blocked_arguments(self, r):
        """
        Currently some arguments is blocked when using in cluster mode.
        They maybe implemented in the future.
        """
        with pytest.raises(RedisClusterException) as ex:
            r.pipeline(transaction=True)

        assert (
            str(ex.value).startswith("transaction is deprecated in cluster mode")
            is True
        )

        with pytest.raises(RedisClusterException) as ex:
            r.pipeline(shard_hint=True)

        assert (
            str(ex.value).startswith("shard_hint is deprecated in cluster mode") is True
        )

    def test_redis_cluster_pipeline(self, r):
        """
        Test that we can use a pipeline with the RedisCluster class
        """
        with r.pipeline() as pipe:
            pipe.set("foo", "bar")
            pipe.get("foo")
            assert pipe.execute() == [True, b"bar"]

    def test_mget_disabled(self, r):
        """
        Test that mget is disabled for ClusterPipeline
        """
        with r.pipeline() as pipe:
            with pytest.raises(RedisClusterException):
                pipe.mget(["a"])

    def test_mset_disabled(self, r):
        """
        Test that mset is disabled for ClusterPipeline
        """
        with r.pipeline() as pipe:
            with pytest.raises(RedisClusterException):
                pipe.mset({"a": 1, "b": 2})

    def test_rename_disabled(self, r):
        """
        Test that rename is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.rename("a", "b")

    def test_renamenx_disabled(self, r):
        """
        Test that renamenx is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.renamenx("a", "b")

    def test_delete_single(self, r):
        """
        Test a single delete operation
        """
        r["a"] = 1
        with r.pipeline(transaction=False) as pipe:
            pipe.delete("a")
            assert pipe.execute() == [1]

    def test_multi_delete_unsupported(self, r):
        """
        Test that multi delete operation is unsupported
        """
        with r.pipeline(transaction=False) as pipe:
            r["a"] = 1
            r["b"] = 2
            with pytest.raises(RedisClusterException):
                pipe.delete("a", "b")

    def test_brpoplpush_disabled(self, r):
        """
        Test that brpoplpush is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.brpoplpush()

    def test_rpoplpush_disabled(self, r):
        """
        Test that rpoplpush is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.rpoplpush()

    def test_sort_disabled(self, r):
        """
        Test that sort is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.sort()

    def test_sdiff_disabled(self, r):
        """
        Test that sdiff is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.sdiff()

    def test_sdiffstore_disabled(self, r):
        """
        Test that sdiffstore is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.sdiffstore()

    def test_sinter_disabled(self, r):
        """
        Test that sinter is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.sinter()

    def test_sinterstore_disabled(self, r):
        """
        Test that sinterstore is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.sinterstore()

    def test_smove_disabled(self, r):
        """
        Test that move is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.smove()

    def test_sunion_disabled(self, r):
        """
        Test that sunion is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.sunion()

    def test_sunionstore_disabled(self, r):
        """
        Test that sunionstore is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.sunionstore()

    def test_spfmerge_disabled(self, r):
        """
        Test that spfmerge is disabled for ClusterPipeline
        """
        with r.pipeline(transaction=False) as pipe:
            with pytest.raises(RedisClusterException):
                pipe.pfmerge()

    def test_multi_key_operation_with_a_single_slot(self, r):
        """
        Test multi key operation with a single slot
        """
        pipe = r.pipeline(transaction=False)
        pipe.set("a{foo}", 1)
        pipe.set("b{foo}", 2)
        pipe.set("c{foo}", 3)
        pipe.get("a{foo}")
        pipe.get("b{foo}")
        pipe.get("c{foo}")

        res = pipe.execute()
        assert res == [True, True, True, b"1", b"2", b"3"]

    def test_multi_key_operation_with_multi_slots(self, r):
        """
        Test multi key operation with more than one slot
        """
        pipe = r.pipeline(transaction=False)
        pipe.set("a{foo}", 1)
        pipe.set("b{foo}", 2)
        pipe.set("c{foo}", 3)
        pipe.set("bar", 4)
        pipe.set("bazz", 5)
        pipe.get("a{foo}")
        pipe.get("b{foo}")
        pipe.get("c{foo}")
        pipe.get("bar")
        pipe.get("bazz")
        res = pipe.execute()
        assert res == [True, True, True, True, True, b"1", b"2", b"3", b"4", b"5"]

    def test_connection_error_not_raised(self, r):
        """
        Test that the pipeline doesn't raise an error on connection error when
        raise_on_error=False
        """
        key = "foo"
        node = r.get_node_from_key(key, False)

        def raise_connection_error():
            e = ConnectionError("error")
            return e

        with r.pipeline() as pipe:
            mock_node_resp_func(node, raise_connection_error)
            res = pipe.get(key).get(key).execute(raise_on_error=False)
            assert node.redis_connection.connection.read_response.called
            assert isinstance(res[0], ConnectionError)

    def test_connection_error_raised(self, r):
        """
        Test that the pipeline raises an error on connection error when
        raise_on_error=True
        """
        key = "foo"
        node = r.get_node_from_key(key, False)

        def raise_connection_error():
            e = ConnectionError("error")
            return e

        with r.pipeline() as pipe:
            mock_node_resp_func(node, raise_connection_error)
            with pytest.raises(ConnectionError):
                pipe.get(key).get(key).execute(raise_on_error=True)

    def test_asking_error(self, r):
        """
        Test redirection on ASK error
        """
        key = "foo"
        first_node = r.get_node_from_key(key, False)
        ask_node = None
        for node in r.get_nodes():
            if node != first_node:
                ask_node = node
                break
        if ask_node is None:
            warnings.warn("skipping this test since the cluster has only one node")
            return
        ask_msg = f"{r.keyslot(key)} {ask_node.host}:{ask_node.port}"

        def raise_ask_error():
            raise AskError(ask_msg)

        with r.pipeline() as pipe:
            mock_node_resp_func(first_node, raise_ask_error)
            mock_node_resp(ask_node, "MOCK_OK")
            res = pipe.get(key).execute()
            assert first_node.redis_connection.connection.read_response.called
            assert ask_node.redis_connection.connection.read_response.called
            assert res == ["MOCK_OK"]

    def test_empty_stack(self, r):
        """
        If pipeline is executed with no commands it should
        return a empty list.
        """
        p = r.pipeline()
        result = p.execute()
        assert result == []


@pytest.mark.onlycluster
class TestReadOnlyPipeline:
    """
    Tests for ClusterPipeline class in readonly mode
    """

    def test_pipeline_readonly(self, r):
        """
        On readonly mode, we supports get related stuff only.
        """
        r.readonly(target_nodes="all")
        r.set("foo71", "a1")  # we assume this key is set on 127.0.0.1:7001
        r.zadd("foo88", {"z1": 1})  # we assume this key is set on 127.0.0.1:7002
        r.zadd("foo88", {"z2": 4})

        with r.pipeline() as readonly_pipe:
            readonly_pipe.get("foo71").zrange("foo88", 0, 5, withscores=True)
            assert readonly_pipe.execute() == [b"a1", [(b"z1", 1.0), (b"z2", 4)]]

    def test_moved_redirection_on_slave_with_default(self, r):
        """
        On Pipeline, we redirected once and finally get from master with
        readonly client when data is completely moved.
        """
        key = "bar"
        r.set(key, "foo")
        # set read_from_replicas to True
        r.read_from_replicas = True
        primary = r.get_node_from_key(key, False)
        replica = r.get_node_from_key(key, True)
        with r.pipeline() as readwrite_pipe:
            mock_node_resp(primary, "MOCK_FOO")
            if replica is not None:
                moved_error = f"{r.keyslot(key)} {primary.host}:{primary.port}"

                def raise_moved_error():
                    raise MovedError(moved_error)

                mock_node_resp_func(replica, raise_moved_error)
            assert readwrite_pipe.reinitialize_counter == 0
            readwrite_pipe.get(key).get(key)
            assert readwrite_pipe.execute() == ["MOCK_FOO", "MOCK_FOO"]
            if replica is not None:
                # the slot has a replica as well, so MovedError should have
                # occurred. If MovedError occurs, we should see the
                # reinitialize_counter increase.
                assert readwrite_pipe.reinitialize_counter == 1
                conn = replica.redis_connection.connection
                assert conn.read_response.called is True

    def test_readonly_pipeline_from_readonly_client(self, request):
        """
        Test that the pipeline is initialized with readonly mode if the client
        has it enabled
        """
        # Create a cluster with reading from replications
        ro = _get_client(RedisCluster, request, read_from_replicas=True)
        key = "bar"
        ro.set(key, "foo")
        import time

        time.sleep(0.2)
        with ro.pipeline() as readonly_pipe:
            mock_all_nodes_resp(ro, "MOCK_OK")
            assert readonly_pipe.read_from_replicas is True
            assert readonly_pipe.get(key).get(key).execute() == ["MOCK_OK", "MOCK_OK"]
            slot_nodes = ro.nodes_manager.slots_cache[ro.keyslot(key)]
            if len(slot_nodes) > 1:
                executed_on_replica = False
                for node in slot_nodes:
                    if node.server_type == REPLICA:
                        conn = node.redis_connection.connection
                        executed_on_replica = conn.read_response.called
                        if executed_on_replica:
                            break
                assert executed_on_replica is True


@pytest.mark.onlycluster
class TestClusterMonitor:
    def test_wait_command_not_found(self, r):
        "Make sure the wait_for_command func works when command is not found"
        key = "foo"
        node = r.get_node_from_key(key)
        with r.monitor(target_node=node) as m:
            response = wait_for_command(r, m, "nothing", key=key)
            assert response is None

    def test_response_values(self, r):
        db = 0
        key = "foo"
        node = r.get_node_from_key(key)
        with r.monitor(target_node=node) as m:
            r.ping(target_nodes=node)
            response = wait_for_command(r, m, "PING", key=key)
            assert isinstance(response["time"], float)
            assert response["db"] == db
            assert response["client_type"] in ("tcp", "unix")
            assert isinstance(response["client_address"], str)
            assert isinstance(response["client_port"], str)
            assert response["command"] == "PING"

    def test_command_with_quoted_key(self, r):
        key = "{foo}1"
        node = r.get_node_from_key(key)
        with r.monitor(node) as m:
            r.get('{foo}"bar')
            response = wait_for_command(r, m, 'GET {foo}"bar', key=key)
            assert response["command"] == 'GET {foo}"bar'

    def test_command_with_binary_data(self, r):
        key = "{foo}1"
        node = r.get_node_from_key(key)
        with r.monitor(target_node=node) as m:
            byte_string = b"{foo}bar\x92"
            r.get(byte_string)
            response = wait_for_command(r, m, "GET {foo}bar\\x92", key=key)
            assert response["command"] == "GET {foo}bar\\x92"

    def test_command_with_escaped_data(self, r):
        key = "{foo}1"
        node = r.get_node_from_key(key)
        with r.monitor(target_node=node) as m:
            byte_string = b"{foo}bar\\x92"
            r.get(byte_string)
            response = wait_for_command(r, m, "GET {foo}bar\\\\x92", key=key)
            assert response["command"] == "GET {foo}bar\\\\x92"

    def test_flush(self, r):
        r.set("x", "1")
        r.set("z", "1")
        r.flushall()
        assert r.get("x") is None
        assert r.get("y") is None