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import pytest
import redis
import redis.client
from test import testtools
def test_hstrlen_missing(r: redis.Redis):
assert r.hstrlen("foo", "doesnotexist") == 0
r.hset("foo", "key", "value")
assert r.hstrlen("foo", "doesnotexist") == 0
def test_hstrlen(r: redis.Redis):
r.hset("foo", "key", "value")
assert r.hstrlen("foo", "key") == 5
def test_hset_then_hget(r: redis.Redis):
assert r.hset("foo", "key", "value") == 1
assert r.hget("foo", "key") == b"value"
def test_hset_update(r: redis.Redis):
assert r.hset("foo", "key", "value") == 1
assert r.hset("foo", "key", "value") == 0
def test_hset_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hset("foo", "key", "value")
def test_hgetall(r: redis.Redis):
assert r.hset("foo", "k1", "v1") == 1
assert r.hset("foo", "k2", "v2") == 1
assert r.hset("foo", "k3", "v3") == 1
assert r.hgetall("foo") == {b"k1": b"v1", b"k2": b"v2", b"k3": b"v3"}
def test_hgetall_empty_key(r: redis.Redis):
assert r.hgetall("foo") == {}
def test_hgetall_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hgetall("foo")
def test_hexists(r: redis.Redis):
r.hset("foo", "bar", "v1")
assert r.hexists("foo", "bar") == 1
assert r.hexists("foo", "baz") == 0
assert r.hexists("bar", "bar") == 0
def test_hexists_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hexists("foo", "key")
def test_hkeys(r: redis.Redis):
r.hset("foo", "k1", "v1")
r.hset("foo", "k2", "v2")
assert set(r.hkeys("foo")) == {b"k1", b"k2"}
assert set(r.hkeys("bar")) == set()
def test_hkeys_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hkeys("foo")
def test_hlen(r: redis.Redis):
r.hset("foo", "k1", "v1")
r.hset("foo", "k2", "v2")
assert r.hlen("foo") == 2
def test_hlen_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hlen("foo")
def test_hvals(r: redis.Redis):
r.hset("foo", "k1", "v1")
r.hset("foo", "k2", "v2")
assert set(r.hvals("foo")) == {b"v1", b"v2"}
assert set(r.hvals("bar")) == set()
def test_hvals_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hvals("foo")
def test_hmget(r: redis.Redis):
r.hset("foo", "k1", "v1")
r.hset("foo", "k2", "v2")
r.hset("foo", "k3", "v3")
# Normal case.
assert r.hmget("foo", ["k1", "k3"]) == [b"v1", b"v3"]
assert r.hmget("foo", "k1", "k3") == [b"v1", b"v3"]
# Key does not exist.
assert r.hmget("bar", ["k1", "k3"]) == [None, None]
assert r.hmget("bar", "k1", "k3") == [None, None]
# Some keys in the hash do not exist.
assert r.hmget("foo", ["k1", "k500"]) == [b"v1", None]
assert r.hmget("foo", "k1", "k500") == [b"v1", None]
def test_hmget_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hmget("foo", "key1", "key2")
def test_hdel(r: redis.Redis):
r.hset("foo", "k1", "v1")
r.hset("foo", "k2", "v2")
r.hset("foo", "k3", "v3")
assert r.hget("foo", "k1") == b"v1"
assert r.hdel("foo", "k1") == 1
assert r.hget("foo", "k1") is None
assert r.hdel("foo", "k1") == 0
# Since redis>=2.7.6 returns number of deleted items.
assert r.hdel("foo", "k2", "k3") == 2
assert r.hget("foo", "k2") is None
assert r.hget("foo", "k3") is None
assert r.hdel("foo", "k2", "k3") == 0
def test_hdel_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hdel("foo", "key")
def test_hincrby(r: redis.Redis):
r.hset("foo", "counter", 0)
assert r.hincrby("foo", "counter") == 1
assert r.hincrby("foo", "counter") == 2
assert r.hincrby("foo", "counter") == 3
def test_hincrby_with_no_starting_value(r: redis.Redis):
assert r.hincrby("foo", "counter") == 1
assert r.hincrby("foo", "counter") == 2
assert r.hincrby("foo", "counter") == 3
def test_hincrby_with_range_param(r: redis.Redis):
assert r.hincrby("foo", "counter", 2) == 2
assert r.hincrby("foo", "counter", 2) == 4
assert r.hincrby("foo", "counter", 2) == 6
def test_hincrby_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hincrby("foo", "key", 2)
def test_hincrbyfloat(r: redis.Redis):
r.hset("foo", "counter", 0.0)
assert r.hincrbyfloat("foo", "counter") == 1.0
assert r.hincrbyfloat("foo", "counter") == 2.0
assert r.hincrbyfloat("foo", "counter") == 3.0
def test_hincrbyfloat_with_no_starting_value(r: redis.Redis):
assert r.hincrbyfloat("foo", "counter") == 1.0
assert r.hincrbyfloat("foo", "counter") == 2.0
assert r.hincrbyfloat("foo", "counter") == 3.0
def test_hincrbyfloat_with_range_param(r: redis.Redis):
assert r.hincrbyfloat("foo", "counter", 0.1) == pytest.approx(0.1)
assert r.hincrbyfloat("foo", "counter", 0.1) == pytest.approx(0.2)
assert r.hincrbyfloat("foo", "counter", 0.1) == pytest.approx(0.3)
def test_hincrbyfloat_on_non_float_value_raises_error(r: redis.Redis):
r.hset("foo", "counter", "cat")
with pytest.raises(redis.ResponseError):
r.hincrbyfloat("foo", "counter")
def test_hincrbyfloat_with_non_float_amount_raises_error(r: redis.Redis):
with pytest.raises(redis.ResponseError):
r.hincrbyfloat("foo", "counter", "cat")
def test_hincrbyfloat_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hincrbyfloat("foo", "key", 0.1)
def test_hincrbyfloat_precision(r: redis.Redis):
x = 1.23456789123456789
assert r.hincrbyfloat("foo", "bar", x) == x
assert float(r.hget("foo", "bar")) == x
def test_hsetnx(r: redis.Redis):
assert r.hsetnx("foo", "newkey", "v1") == 1
assert r.hsetnx("foo", "newkey", "v1") == 0
assert r.hget("foo", "newkey") == b"v1"
def test_hmset_empty_raises_error(r: redis.Redis):
with pytest.raises(redis.DataError):
r.hmset("foo", {})
@testtools.run_test_if_redispy_ver("lte", "4.6")
def test_hmset_redispy4(r: redis.Redis):
r.hset("foo", "k1", "v1")
assert r.hmset("foo", {"k2": "v2", "k3": "v3"}) is True
def test_hmset_wrong_type(r: redis.Redis):
r.zadd("foo", {"bar": 1})
with pytest.raises(redis.ResponseError):
r.hmset("foo", {"key": "value"})
def test_empty_hash(r: redis.Redis):
r.hset("foo", "bar", "baz")
r.hdel("foo", "bar")
assert not r.exists("foo")
def test_hset_removing_last_field_delete_key(r: redis.Redis):
r.hset(b"3L", b"f1", b"v1")
r.hdel(b"3L", b"f1")
assert r.keys("*") == []
@pytest.mark.min_server("7.4")
@testtools.run_test_if_redispy_ver("gte", "5")
def test_hscan_no_values(r: redis.Redis):
name = "hscan-test"
for ix in range(20):
k = "key:%s" % ix
v = "result:%s" % ix
r.hset(name, k, v)
expected = r.hgetall(name)
assert len(expected) == 20 # Ensure we know what we're testing
# Test that we page through the results and get everything out
results = set()
cursor = "0"
while cursor != 0:
cursor, data = r.hscan(name, cursor, count=6, no_values=True)
results.update(data)
assert results == set(expected.keys())
def test_hscan(r: redis.Redis):
# Set up the data
name = "hscan-test"
for ix in range(20):
k = "key:%s" % ix
v = "result:%s" % ix
r.hset(name, k, v)
expected = r.hgetall(name)
assert len(expected) == 20 # Ensure we know what we're testing
# Test that we page through the results and get everything out
results = {}
cursor = "0"
while cursor != 0:
cursor, data = r.hscan(name, cursor, count=6)
results.update(data)
assert expected == results
# Test the iterator version
results = {}
for key, val in r.hscan_iter(name, count=6):
results[key] = val
assert expected == results
# Now test that the MATCH functionality works
results = {}
cursor = "0"
while cursor != 0:
cursor, data = r.hscan(name, cursor, match="*7", count=100)
results.update(data)
assert b"key:7" in results
assert b"key:17" in results
assert len(results) == 2
# Test the match on iterator
results = {}
for key, val in r.hscan_iter(name, match="*7"):
results[key] = val
assert b"key:7" in results
assert b"key:17" in results
assert len(results) == 2
def test_hrandfield(r: redis.Redis):
assert r.hrandfield("key") is None
hash = {b"a": 1, b"b": 2, b"c": 3, b"d": 4, b"e": 5}
r.hset("key", mapping=hash)
assert r.hrandfield("key") is not None
assert len(r.hrandfield("key", 0)) == 0
res = r.hrandfield("key", 2)
assert len(res) == 2
assert res[0] in set(hash.keys())
assert res[1] in set(hash.keys())
# with values
res = r.hrandfield("key", 2, True)
assert len(res) == 4
assert res[0] in set(hash.keys())
assert res[1] in {str(x).encode() for x in hash.values()}
assert res[2] in set(hash.keys())
assert res[3] in {str(x).encode() for x in hash.values()}
# without duplications
assert len(r.hrandfield("key", 10)) == 5
# with duplications
assert len(r.hrandfield("key", -10)) == 10
with pytest.raises(redis.ResponseError):
testtools.raw_command(r, "HRANDFIELD", "key", 3, "WITHVALUES", 3)
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