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from math import inf
import pytest
import redis.commands.bf
from redis.exceptions import ModuleError, RedisError
from redis.utils import HIREDIS_AVAILABLE
from .conftest import skip_ifmodversion_lt
def intlist(obj):
return [int(v) for v in obj]
@pytest.fixture
def client(modclient):
assert isinstance(modclient.bf(), redis.commands.bf.BFBloom)
assert isinstance(modclient.cf(), redis.commands.bf.CFBloom)
assert isinstance(modclient.cms(), redis.commands.bf.CMSBloom)
assert isinstance(modclient.tdigest(), redis.commands.bf.TDigestBloom)
assert isinstance(modclient.topk(), redis.commands.bf.TOPKBloom)
modclient.flushdb()
return modclient
@pytest.mark.redismod
def test_create(client):
"""Test CREATE/RESERVE calls"""
assert client.bf().create("bloom", 0.01, 1000)
assert client.bf().create("bloom_e", 0.01, 1000, expansion=1)
assert client.bf().create("bloom_ns", 0.01, 1000, noScale=True)
assert client.cf().create("cuckoo", 1000)
assert client.cf().create("cuckoo_e", 1000, expansion=1)
assert client.cf().create("cuckoo_bs", 1000, bucket_size=4)
assert client.cf().create("cuckoo_mi", 1000, max_iterations=10)
assert client.cms().initbydim("cmsDim", 100, 5)
assert client.cms().initbyprob("cmsProb", 0.01, 0.01)
assert client.topk().reserve("topk", 5, 100, 5, 0.9)
@pytest.mark.redismod
def test_bf_reserve(client):
"""Testing BF.RESERVE"""
assert client.bf().reserve("bloom", 0.01, 1000)
assert client.bf().reserve("bloom_e", 0.01, 1000, expansion=1)
assert client.bf().reserve("bloom_ns", 0.01, 1000, noScale=True)
assert client.cf().reserve("cuckoo", 1000)
assert client.cf().reserve("cuckoo_e", 1000, expansion=1)
assert client.cf().reserve("cuckoo_bs", 1000, bucket_size=4)
assert client.cf().reserve("cuckoo_mi", 1000, max_iterations=10)
assert client.cms().initbydim("cmsDim", 100, 5)
assert client.cms().initbyprob("cmsProb", 0.01, 0.01)
assert client.topk().reserve("topk", 5, 100, 5, 0.9)
@pytest.mark.redismod
@pytest.mark.experimental
def test_tdigest_create(client):
assert client.tdigest().create("tDigest", 100)
# region Test Bloom Filter
@pytest.mark.redismod
def test_bf_add(client):
assert client.bf().create("bloom", 0.01, 1000)
assert 1 == client.bf().add("bloom", "foo")
assert 0 == client.bf().add("bloom", "foo")
assert [0] == intlist(client.bf().madd("bloom", "foo"))
assert [0, 1] == client.bf().madd("bloom", "foo", "bar")
assert [0, 0, 1] == client.bf().madd("bloom", "foo", "bar", "baz")
assert 1 == client.bf().exists("bloom", "foo")
assert 0 == client.bf().exists("bloom", "noexist")
assert [1, 0] == intlist(client.bf().mexists("bloom", "foo", "noexist"))
@pytest.mark.redismod
def test_bf_insert(client):
assert client.bf().create("bloom", 0.01, 1000)
assert [1] == intlist(client.bf().insert("bloom", ["foo"]))
assert [0, 1] == intlist(client.bf().insert("bloom", ["foo", "bar"]))
assert [1] == intlist(client.bf().insert("captest", ["foo"], capacity=10))
assert [1] == intlist(client.bf().insert("errtest", ["foo"], error=0.01))
assert 1 == client.bf().exists("bloom", "foo")
assert 0 == client.bf().exists("bloom", "noexist")
assert [1, 0] == intlist(client.bf().mexists("bloom", "foo", "noexist"))
info = client.bf().info("bloom")
assert 2 == info.insertedNum
assert 1000 == info.capacity
assert 1 == info.filterNum
@pytest.mark.redismod
def test_bf_scandump_and_loadchunk(client):
# Store a filter
client.bf().create("myBloom", "0.0001", "1000")
# test is probabilistic and might fail. It is OK to change variables if
# certain to not break anything
def do_verify():
res = 0
for x in range(1000):
client.bf().add("myBloom", x)
rv = client.bf().exists("myBloom", x)
assert rv
rv = client.bf().exists("myBloom", f"nonexist_{x}")
res += rv == x
assert res < 5
do_verify()
cmds = []
if HIREDIS_AVAILABLE:
with pytest.raises(ModuleError):
cur = client.bf().scandump("myBloom", 0)
return
cur = client.bf().scandump("myBloom", 0)
first = cur[0]
cmds.append(cur)
while True:
cur = client.bf().scandump("myBloom", first)
first = cur[0]
if first == 0:
break
else:
cmds.append(cur)
prev_info = client.bf().execute_command("bf.debug", "myBloom")
# Remove the filter
client.bf().client.delete("myBloom")
# Now, load all the commands:
for cmd in cmds:
client.bf().loadchunk("myBloom", *cmd)
cur_info = client.bf().execute_command("bf.debug", "myBloom")
assert prev_info == cur_info
do_verify()
client.bf().client.delete("myBloom")
client.bf().create("myBloom", "0.0001", "10000000")
@pytest.mark.redismod
def test_bf_info(client):
expansion = 4
# Store a filter
client.bf().create("nonscaling", "0.0001", "1000", noScale=True)
info = client.bf().info("nonscaling")
assert info.expansionRate is None
client.bf().create("expanding", "0.0001", "1000", expansion=expansion)
info = client.bf().info("expanding")
assert info.expansionRate == 4
try:
# noScale mean no expansion
client.bf().create(
"myBloom", "0.0001", "1000", expansion=expansion, noScale=True
)
assert False
except RedisError:
assert True
@pytest.mark.redismod
def test_bf_card(client):
# return 0 if the key does not exist
assert client.bf().card("not_exist") == 0
# Store a filter
assert client.bf().add("bf1", "item_foo") == 1
assert client.bf().card("bf1") == 1
# Error when key is of a type other than Bloom filter.
with pytest.raises(redis.ResponseError):
client.set("setKey", "value")
client.bf().card("setKey")
# region Test Cuckoo Filter
@pytest.mark.redismod
def test_cf_add_and_insert(client):
assert client.cf().create("cuckoo", 1000)
assert client.cf().add("cuckoo", "filter")
assert not client.cf().addnx("cuckoo", "filter")
assert 1 == client.cf().addnx("cuckoo", "newItem")
assert [1] == client.cf().insert("captest", ["foo"])
assert [1] == client.cf().insert("captest", ["foo"], capacity=1000)
assert [1] == client.cf().insertnx("captest", ["bar"])
assert [1] == client.cf().insertnx("captest", ["food"], nocreate="1")
assert [0, 0, 1] == client.cf().insertnx("captest", ["foo", "bar", "baz"])
assert [0] == client.cf().insertnx("captest", ["bar"], capacity=1000)
assert [1] == client.cf().insert("empty1", ["foo"], capacity=1000)
assert [1] == client.cf().insertnx("empty2", ["bar"], capacity=1000)
info = client.cf().info("captest")
assert 5 == info.insertedNum
assert 0 == info.deletedNum
assert 1 == info.filterNum
@pytest.mark.redismod
def test_cf_exists_and_del(client):
assert client.cf().create("cuckoo", 1000)
assert client.cf().add("cuckoo", "filter")
assert client.cf().exists("cuckoo", "filter")
assert not client.cf().exists("cuckoo", "notexist")
assert [1, 0] == client.cf().mexists("cuckoo", "filter", "notexist")
assert 1 == client.cf().count("cuckoo", "filter")
assert 0 == client.cf().count("cuckoo", "notexist")
assert client.cf().delete("cuckoo", "filter")
assert 0 == client.cf().count("cuckoo", "filter")
# region Test Count-Min Sketch
@pytest.mark.redismod
def test_cms(client):
assert client.cms().initbydim("dim", 1000, 5)
assert client.cms().initbyprob("prob", 0.01, 0.01)
assert client.cms().incrby("dim", ["foo"], [5])
assert [0] == client.cms().query("dim", "notexist")
assert [5] == client.cms().query("dim", "foo")
assert [10, 15] == client.cms().incrby("dim", ["foo", "bar"], [5, 15])
assert [10, 15] == client.cms().query("dim", "foo", "bar")
info = client.cms().info("dim")
assert 1000 == info.width
assert 5 == info.depth
assert 25 == info.count
@pytest.mark.redismod
@pytest.mark.onlynoncluster
def test_cms_merge(client):
assert client.cms().initbydim("A", 1000, 5)
assert client.cms().initbydim("B", 1000, 5)
assert client.cms().initbydim("C", 1000, 5)
assert client.cms().incrby("A", ["foo", "bar", "baz"], [5, 3, 9])
assert client.cms().incrby("B", ["foo", "bar", "baz"], [2, 3, 1])
assert [5, 3, 9] == client.cms().query("A", "foo", "bar", "baz")
assert [2, 3, 1] == client.cms().query("B", "foo", "bar", "baz")
assert client.cms().merge("C", 2, ["A", "B"])
assert [7, 6, 10] == client.cms().query("C", "foo", "bar", "baz")
assert client.cms().merge("C", 2, ["A", "B"], ["1", "2"])
assert [9, 9, 11] == client.cms().query("C", "foo", "bar", "baz")
assert client.cms().merge("C", 2, ["A", "B"], ["2", "3"])
assert [16, 15, 21] == client.cms().query("C", "foo", "bar", "baz")
# endregion
# region Test Top-K
@pytest.mark.redismod
def test_topk(client):
# test list with empty buckets
assert client.topk().reserve("topk", 3, 50, 4, 0.9)
assert [
None,
None,
None,
"A",
"C",
"D",
None,
None,
"E",
None,
"B",
"C",
None,
None,
None,
"D",
None,
] == client.topk().add(
"topk",
"A",
"B",
"C",
"D",
"E",
"A",
"A",
"B",
"C",
"G",
"D",
"B",
"D",
"A",
"E",
"E",
1,
)
assert [1, 1, 0, 0, 1, 0, 0] == client.topk().query(
"topk", "A", "B", "C", "D", "E", "F", "G"
)
with pytest.deprecated_call():
assert [4, 3, 2, 3, 3, 0, 1] == client.topk().count(
"topk", "A", "B", "C", "D", "E", "F", "G"
)
# test full list
assert client.topk().reserve("topklist", 3, 50, 3, 0.9)
assert client.topk().add(
"topklist",
"A",
"B",
"C",
"D",
"E",
"A",
"A",
"B",
"C",
"G",
"D",
"B",
"D",
"A",
"E",
"E",
)
assert ["A", "B", "E"] == client.topk().list("topklist")
assert ["A", 4, "B", 3, "E", 3] == client.topk().list("topklist", withcount=True)
info = client.topk().info("topklist")
assert 3 == info.k
assert 50 == info.width
assert 3 == info.depth
assert 0.9 == round(float(info.decay), 1)
@pytest.mark.redismod
def test_topk_incrby(client):
client.flushdb()
assert client.topk().reserve("topk", 3, 10, 3, 1)
assert [None, None, None] == client.topk().incrby(
"topk", ["bar", "baz", "42"], [3, 6, 2]
)
assert [None, "bar"] == client.topk().incrby("topk", ["42", "xyzzy"], [8, 4])
with pytest.deprecated_call():
assert [3, 6, 10, 4, 0] == client.topk().count(
"topk", "bar", "baz", "42", "xyzzy", 4
)
# region Test T-Digest
@pytest.mark.redismod
@pytest.mark.experimental
def test_tdigest_reset(client):
assert client.tdigest().create("tDigest", 10)
# reset on empty histogram
assert client.tdigest().reset("tDigest")
# insert data-points into sketch
assert client.tdigest().add("tDigest", list(range(10)))
assert client.tdigest().reset("tDigest")
# assert we have 0 unmerged nodes
assert 0 == client.tdigest().info("tDigest").unmerged_nodes
@pytest.mark.redismod
@pytest.mark.experimental
def test_tdigest_merge(client):
assert client.tdigest().create("to-tDigest", 10)
assert client.tdigest().create("from-tDigest", 10)
# insert data-points into sketch
assert client.tdigest().add("from-tDigest", [1.0] * 10)
assert client.tdigest().add("to-tDigest", [2.0] * 10)
# merge from-tdigest into to-tdigest
assert client.tdigest().merge("to-tDigest", 1, "from-tDigest")
# we should now have 110 weight on to-histogram
info = client.tdigest().info("to-tDigest")
total_weight_to = float(info.merged_weight) + float(info.unmerged_weight)
assert 20 == total_weight_to
# test override
assert client.tdigest().create("from-override", 10)
assert client.tdigest().create("from-override-2", 10)
assert client.tdigest().add("from-override", [3.0] * 10)
assert client.tdigest().add("from-override-2", [4.0] * 10)
assert client.tdigest().merge(
"to-tDigest", 2, "from-override", "from-override-2", override=True
)
assert 3.0 == client.tdigest().min("to-tDigest")
assert 4.0 == client.tdigest().max("to-tDigest")
@pytest.mark.redismod
@pytest.mark.experimental
def test_tdigest_min_and_max(client):
assert client.tdigest().create("tDigest", 100)
# insert data-points into sketch
assert client.tdigest().add("tDigest", [1, 2, 3])
# min/max
assert 3 == client.tdigest().max("tDigest")
assert 1 == client.tdigest().min("tDigest")
@pytest.mark.redismod
@pytest.mark.experimental
@skip_ifmodversion_lt("2.4.0", "bf")
def test_tdigest_quantile(client):
assert client.tdigest().create("tDigest", 500)
# insert data-points into sketch
assert client.tdigest().add("tDigest", list([x * 0.01 for x in range(1, 10000)]))
# assert min min/max have same result as quantile 0 and 1
res = client.tdigest().quantile("tDigest", 1.0)
assert client.tdigest().max("tDigest") == res[0]
res = client.tdigest().quantile("tDigest", 0.0)
assert client.tdigest().min("tDigest") == res[0]
assert 1.0 == round(client.tdigest().quantile("tDigest", 0.01)[0], 2)
assert 99.0 == round(client.tdigest().quantile("tDigest", 0.99)[0], 2)
# test multiple quantiles
assert client.tdigest().create("t-digest", 100)
assert client.tdigest().add("t-digest", [1, 2, 3, 4, 5])
assert [3.0, 5.0] == client.tdigest().quantile("t-digest", 0.5, 0.8)
@pytest.mark.redismod
@pytest.mark.experimental
def test_tdigest_cdf(client):
assert client.tdigest().create("tDigest", 100)
# insert data-points into sketch
assert client.tdigest().add("tDigest", list(range(1, 10)))
assert 0.1 == round(client.tdigest().cdf("tDigest", 1.0)[0], 1)
assert 0.9 == round(client.tdigest().cdf("tDigest", 9.0)[0], 1)
res = client.tdigest().cdf("tDigest", 1.0, 9.0)
assert [0.1, 0.9] == [round(x, 1) for x in res]
@pytest.mark.redismod
@pytest.mark.experimental
@skip_ifmodversion_lt("2.4.0", "bf")
def test_tdigest_trimmed_mean(client):
assert client.tdigest().create("tDigest", 100)
# insert data-points into sketch
assert client.tdigest().add("tDigest", list(range(1, 10)))
assert 5 == client.tdigest().trimmed_mean("tDigest", 0.1, 0.9)
assert 4.5 == client.tdigest().trimmed_mean("tDigest", 0.4, 0.5)
@pytest.mark.redismod
@pytest.mark.experimental
def test_tdigest_rank(client):
assert client.tdigest().create("t-digest", 500)
assert client.tdigest().add("t-digest", list(range(0, 20)))
assert -1 == client.tdigest().rank("t-digest", -1)[0]
assert 0 == client.tdigest().rank("t-digest", 0)[0]
assert 10 == client.tdigest().rank("t-digest", 10)[0]
assert [-1, 20, 9] == client.tdigest().rank("t-digest", -20, 20, 9)
@pytest.mark.redismod
@pytest.mark.experimental
def test_tdigest_revrank(client):
assert client.tdigest().create("t-digest", 500)
assert client.tdigest().add("t-digest", list(range(0, 20)))
assert -1 == client.tdigest().revrank("t-digest", 20)[0]
assert 19 == client.tdigest().revrank("t-digest", 0)[0]
assert [-1, 19, 9] == client.tdigest().revrank("t-digest", 21, 0, 10)
@pytest.mark.redismod
@pytest.mark.experimental
def test_tdigest_byrank(client):
assert client.tdigest().create("t-digest", 500)
assert client.tdigest().add("t-digest", list(range(1, 11)))
assert 1 == client.tdigest().byrank("t-digest", 0)[0]
assert 10 == client.tdigest().byrank("t-digest", 9)[0]
assert client.tdigest().byrank("t-digest", 100)[0] == inf
with pytest.raises(redis.ResponseError):
client.tdigest().byrank("t-digest", -1)[0]
@pytest.mark.redismod
@pytest.mark.experimental
def test_tdigest_byrevrank(client):
assert client.tdigest().create("t-digest", 500)
assert client.tdigest().add("t-digest", list(range(1, 11)))
assert 10 == client.tdigest().byrevrank("t-digest", 0)[0]
assert 1 == client.tdigest().byrevrank("t-digest", 9)[0]
assert client.tdigest().byrevrank("t-digest", 100)[0] == -inf
with pytest.raises(redis.ResponseError):
client.tdigest().byrevrank("t-digest", -1)[0]
# @pytest.mark.redismod
# def test_pipeline(client):
# pipeline = client.bf().pipeline()
# assert not client.bf().execute_command("get pipeline")
#
# assert client.bf().create("pipeline", 0.01, 1000)
# for i in range(100):
# pipeline.add("pipeline", i)
# for i in range(100):
# assert not (client.bf().exists("pipeline", i))
#
# pipeline.execute()
#
# for i in range(100):
# assert client.bf().exists("pipeline", i)
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