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
|
import datetime
import unittest
from unittest import mock
try:
import pytz
except ImportError:
pytz = None
try:
import zoneinfo
except ImportError:
from backports import zoneinfo
from django.test import SimpleTestCase, ignore_warnings, override_settings
from django.utils import timezone
from django.utils.deprecation import RemovedInDjango50Warning
PARIS_ZI = zoneinfo.ZoneInfo('Europe/Paris')
EAT = timezone.get_fixed_timezone(180) # Africa/Nairobi
ICT = timezone.get_fixed_timezone(420) # Asia/Bangkok
UTC = datetime.timezone.utc
HAS_PYTZ = pytz is not None
if not HAS_PYTZ:
CET = None
PARIS_IMPLS = (PARIS_ZI,)
needs_pytx = unittest.skip('Test requires pytz')
else:
CET = pytz.timezone('Europe/Paris')
PARIS_IMPLS = (PARIS_ZI, CET)
def needs_pytx(f):
return f
class TimezoneTests(SimpleTestCase):
def setUp(self):
# RemovedInDjango50Warning
timezone.get_default_timezone.cache_clear()
def tearDown(self):
# RemovedInDjango50Warning
timezone.get_default_timezone.cache_clear()
def test_default_timezone_is_zoneinfo(self):
self.assertIsInstance(timezone.get_default_timezone(), zoneinfo.ZoneInfo)
@needs_pytx
@ignore_warnings(category=RemovedInDjango50Warning)
@override_settings(USE_DEPRECATED_PYTZ=True)
def test_setting_allows_fallback_to_pytz(self):
self.assertIsInstance(timezone.get_default_timezone(), pytz.BaseTzInfo)
def test_now(self):
with override_settings(USE_TZ=True):
self.assertTrue(timezone.is_aware(timezone.now()))
with override_settings(USE_TZ=False):
self.assertTrue(timezone.is_naive(timezone.now()))
def test_localdate(self):
naive = datetime.datetime(2015, 1, 1, 0, 0, 1)
with self.assertRaisesMessage(ValueError, 'localtime() cannot be applied to a naive datetime'):
timezone.localdate(naive)
with self.assertRaisesMessage(ValueError, 'localtime() cannot be applied to a naive datetime'):
timezone.localdate(naive, timezone=EAT)
aware = datetime.datetime(2015, 1, 1, 0, 0, 1, tzinfo=ICT)
self.assertEqual(timezone.localdate(aware, timezone=EAT), datetime.date(2014, 12, 31))
with timezone.override(EAT):
self.assertEqual(timezone.localdate(aware), datetime.date(2014, 12, 31))
with mock.patch('django.utils.timezone.now', return_value=aware):
self.assertEqual(timezone.localdate(timezone=EAT), datetime.date(2014, 12, 31))
with timezone.override(EAT):
self.assertEqual(timezone.localdate(), datetime.date(2014, 12, 31))
def test_override(self):
default = timezone.get_default_timezone()
try:
timezone.activate(ICT)
with timezone.override(EAT):
self.assertIs(EAT, timezone.get_current_timezone())
self.assertIs(ICT, timezone.get_current_timezone())
with timezone.override(None):
self.assertIs(default, timezone.get_current_timezone())
self.assertIs(ICT, timezone.get_current_timezone())
timezone.deactivate()
with timezone.override(EAT):
self.assertIs(EAT, timezone.get_current_timezone())
self.assertIs(default, timezone.get_current_timezone())
with timezone.override(None):
self.assertIs(default, timezone.get_current_timezone())
self.assertIs(default, timezone.get_current_timezone())
finally:
timezone.deactivate()
def test_override_decorator(self):
default = timezone.get_default_timezone()
@timezone.override(EAT)
def func_tz_eat():
self.assertIs(EAT, timezone.get_current_timezone())
@timezone.override(None)
def func_tz_none():
self.assertIs(default, timezone.get_current_timezone())
try:
timezone.activate(ICT)
func_tz_eat()
self.assertIs(ICT, timezone.get_current_timezone())
func_tz_none()
self.assertIs(ICT, timezone.get_current_timezone())
timezone.deactivate()
func_tz_eat()
self.assertIs(default, timezone.get_current_timezone())
func_tz_none()
self.assertIs(default, timezone.get_current_timezone())
finally:
timezone.deactivate()
def test_override_string_tz(self):
with timezone.override('Asia/Bangkok'):
self.assertEqual(timezone.get_current_timezone_name(), 'Asia/Bangkok')
def test_override_fixed_offset(self):
with timezone.override(datetime.timezone(datetime.timedelta(), 'tzname')):
self.assertEqual(timezone.get_current_timezone_name(), 'tzname')
def test_activate_invalid_timezone(self):
with self.assertRaisesMessage(ValueError, 'Invalid timezone: None'):
timezone.activate(None)
def test_is_aware(self):
self.assertTrue(timezone.is_aware(datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)))
self.assertFalse(timezone.is_aware(datetime.datetime(2011, 9, 1, 13, 20, 30)))
def test_is_naive(self):
self.assertFalse(timezone.is_naive(datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)))
self.assertTrue(timezone.is_naive(datetime.datetime(2011, 9, 1, 13, 20, 30)))
def test_make_aware(self):
self.assertEqual(
timezone.make_aware(datetime.datetime(2011, 9, 1, 13, 20, 30), EAT),
datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT))
with self.assertRaises(ValueError):
timezone.make_aware(datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT), EAT)
def test_make_naive(self):
self.assertEqual(
timezone.make_naive(datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT), EAT),
datetime.datetime(2011, 9, 1, 13, 20, 30))
self.assertEqual(
timezone.make_naive(datetime.datetime(2011, 9, 1, 17, 20, 30, tzinfo=ICT), EAT),
datetime.datetime(2011, 9, 1, 13, 20, 30))
with self.assertRaisesMessage(ValueError, 'make_naive() cannot be applied to a naive datetime'):
timezone.make_naive(datetime.datetime(2011, 9, 1, 13, 20, 30), EAT)
def test_make_naive_no_tz(self):
self.assertEqual(
timezone.make_naive(datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)),
datetime.datetime(2011, 9, 1, 5, 20, 30)
)
def test_make_aware_no_tz(self):
self.assertEqual(
timezone.make_aware(datetime.datetime(2011, 9, 1, 13, 20, 30)),
datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=timezone.get_fixed_timezone(-300))
)
def test_make_aware2(self):
CEST = datetime.timezone(datetime.timedelta(hours=2), 'CEST')
for tz in PARIS_IMPLS:
with self.subTest(repr(tz)):
self.assertEqual(
timezone.make_aware(datetime.datetime(2011, 9, 1, 12, 20, 30), tz),
datetime.datetime(2011, 9, 1, 12, 20, 30, tzinfo=CEST))
if HAS_PYTZ:
with self.assertRaises(ValueError):
timezone.make_aware(CET.localize(datetime.datetime(2011, 9, 1, 12, 20, 30)), CET)
with self.assertRaises(ValueError):
timezone.make_aware(datetime.datetime(2011, 9, 1, 12, 20, 30, tzinfo=PARIS_ZI), PARIS_ZI)
@needs_pytx
def test_make_naive_pytz(self):
self.assertEqual(
timezone.make_naive(CET.localize(datetime.datetime(2011, 9, 1, 12, 20, 30)), CET),
datetime.datetime(2011, 9, 1, 12, 20, 30))
self.assertEqual(
timezone.make_naive(
pytz.timezone("Asia/Bangkok").localize(datetime.datetime(2011, 9, 1, 17, 20, 30)), CET
),
datetime.datetime(2011, 9, 1, 12, 20, 30))
with self.assertRaisesMessage(ValueError, 'make_naive() cannot be applied to a naive datetime'):
timezone.make_naive(datetime.datetime(2011, 9, 1, 12, 20, 30), CET)
def test_make_naive_zoneinfo(self):
self.assertEqual(
timezone.make_naive(datetime.datetime(2011, 9, 1, 12, 20, 30, tzinfo=PARIS_ZI), PARIS_ZI),
datetime.datetime(2011, 9, 1, 12, 20, 30)
)
self.assertEqual(
timezone.make_naive(datetime.datetime(2011, 9, 1, 12, 20, 30, fold=1, tzinfo=PARIS_ZI), PARIS_ZI),
datetime.datetime(2011, 9, 1, 12, 20, 30, fold=1)
)
@needs_pytx
def test_make_aware_pytz_ambiguous(self):
# 2:30 happens twice, once before DST ends and once after
ambiguous = datetime.datetime(2015, 10, 25, 2, 30)
with self.assertRaises(pytz.AmbiguousTimeError):
timezone.make_aware(ambiguous, timezone=CET)
std = timezone.make_aware(ambiguous, timezone=CET, is_dst=False)
dst = timezone.make_aware(ambiguous, timezone=CET, is_dst=True)
self.assertEqual(std - dst, datetime.timedelta(hours=1))
self.assertEqual(std.tzinfo.utcoffset(std), datetime.timedelta(hours=1))
self.assertEqual(dst.tzinfo.utcoffset(dst), datetime.timedelta(hours=2))
def test_make_aware_zoneinfo_ambiguous(self):
# 2:30 happens twice, once before DST ends and once after
ambiguous = datetime.datetime(2015, 10, 25, 2, 30)
std = timezone.make_aware(ambiguous.replace(fold=1), timezone=PARIS_ZI)
dst = timezone.make_aware(ambiguous, timezone=PARIS_ZI)
self.assertEqual(
std.astimezone(UTC) - dst.astimezone(UTC),
datetime.timedelta(hours=1)
)
self.assertEqual(std.utcoffset(), datetime.timedelta(hours=1))
self.assertEqual(dst.utcoffset(), datetime.timedelta(hours=2))
@needs_pytx
def test_make_aware_pytz_non_existent(self):
# 2:30 never happened due to DST
non_existent = datetime.datetime(2015, 3, 29, 2, 30)
with self.assertRaises(pytz.NonExistentTimeError):
timezone.make_aware(non_existent, timezone=CET)
std = timezone.make_aware(non_existent, timezone=CET, is_dst=False)
dst = timezone.make_aware(non_existent, timezone=CET, is_dst=True)
self.assertEqual(std - dst, datetime.timedelta(hours=1))
self.assertEqual(std.tzinfo.utcoffset(std), datetime.timedelta(hours=1))
self.assertEqual(dst.tzinfo.utcoffset(dst), datetime.timedelta(hours=2))
def test_make_aware_zoneinfo_non_existent(self):
# 2:30 never happened due to DST
non_existent = datetime.datetime(2015, 3, 29, 2, 30)
std = timezone.make_aware(non_existent, PARIS_ZI)
dst = timezone.make_aware(non_existent.replace(fold=1), PARIS_ZI)
self.assertEqual(
std.astimezone(UTC) - dst.astimezone(UTC),
datetime.timedelta(hours=1)
)
self.assertEqual(std.utcoffset(), datetime.timedelta(hours=1))
self.assertEqual(dst.utcoffset(), datetime.timedelta(hours=2))
def test_get_default_timezone(self):
self.assertEqual(timezone.get_default_timezone_name(), 'America/Chicago')
def test_get_default_timezone_utc(self):
with override_settings(USE_TZ=True, TIME_ZONE='UTC'):
self.assertIs(timezone.get_default_timezone(), timezone.utc)
@needs_pytx
@ignore_warnings(category=RemovedInDjango50Warning)
@override_settings(USE_DEPRECATED_PYTZ=True)
def test_get_default_timezone_utc_pytz(self):
with override_settings(USE_TZ=True, TIME_ZONE='UTC'):
self.assertIs(timezone.get_default_timezone(), timezone.utc)
def test_fixedoffset_timedelta(self):
delta = datetime.timedelta(hours=1)
self.assertEqual(timezone.get_fixed_timezone(delta).utcoffset(None), delta)
def test_fixedoffset_negative_timedelta(self):
delta = datetime.timedelta(hours=-2)
self.assertEqual(timezone.get_fixed_timezone(delta).utcoffset(None), delta)
|
