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import asyncio
import sys
if sys.version_info >= (3, 11):
from asyncio import timeout as async_timeout
else:
from async_timeout import timeout as async_timeout
import pytest
import pytest_asyncio
import redis
import redis.asyncio
from fakeredis import FakeServer, aioredis
from test import testtools
pytestmark = []
pytestmark.extend(
[
pytest.mark.asyncio,
]
)
@pytest_asyncio.fixture
async def conn(async_redis: redis.asyncio.Redis):
"""A single connection, rather than a pool."""
async with async_redis.client() as conn:
yield conn
async def test_ping(async_redis: redis.asyncio.Redis):
pong = await async_redis.ping()
assert pong is True
async def test_types(async_redis: redis.asyncio.Redis):
await async_redis.hset("hash", mapping={"key1": "value1", "key2": "value2", "key3": 123})
result = await async_redis.hgetall("hash")
assert result == {b"key1": b"value1", b"key2": b"value2", b"key3": b"123"}
async def test_transaction(async_redis: redis.asyncio.Redis):
async with async_redis.pipeline(transaction=True) as tr:
tr.set("key1", "value1")
tr.set("key2", "value2")
ok1, ok2 = await tr.execute()
assert ok1
assert ok2
result = await async_redis.get("key1")
assert result == b"value1"
async def test_transaction_fail(async_redis: redis.asyncio.Redis):
await async_redis.set("foo", "1")
async with async_redis.pipeline(transaction=True) as tr:
await tr.watch("foo")
await async_redis.set("foo", "2") # Different connection
tr.multi()
tr.get("foo")
with pytest.raises(redis.asyncio.WatchError):
await tr.execute()
async def test_pubsub(async_redis, event_loop):
queue = asyncio.Queue()
async def reader(ps):
while True:
message = await ps.get_message(ignore_subscribe_messages=True, timeout=5)
if message is not None:
if message.get("data") == b"stop":
break
queue.put_nowait(message)
async with async_timeout(5), async_redis.pubsub() as ps:
await ps.subscribe("channel")
task = event_loop.create_task(reader(ps))
await async_redis.publish("channel", "message1")
await async_redis.publish("channel", "message2")
result1 = await queue.get()
result2 = await queue.get()
assert result1 == {"channel": b"channel", "pattern": None, "type": "message", "data": b"message1"}
assert result2 == {"channel": b"channel", "pattern": None, "type": "message", "data": b"message2"}
await async_redis.publish("channel", "stop")
await task
@pytest.mark.slow
async def test_pubsub_timeout(async_redis: redis.asyncio.Redis):
async with async_redis.pubsub() as ps:
await ps.subscribe("channel")
await ps.get_message(timeout=0.5) # Subscription message
message = await ps.get_message(timeout=0.5)
assert message is None
@pytest.mark.slow
async def test_pubsub_disconnect(async_redis: redis.asyncio.Redis):
async with async_redis.pubsub() as ps:
await ps.subscribe("channel")
await ps.connection.disconnect()
message = await ps.get_message(timeout=0.5) # Subscription message
assert message is not None
message = await ps.get_message(timeout=0.5)
assert message is None
async def test_blocking_ready(async_redis, conn):
"""Blocking command which does not need to block."""
await async_redis.rpush("list", "x")
result = await conn.blpop("list", timeout=1)
assert result == (b"list", b"x")
@pytest.mark.slow
async def test_blocking_timeout(conn):
"""Blocking command that times out without completing."""
result = await conn.blpop("missing", timeout=1)
assert result is None
@pytest.mark.slow
async def test_blocking_unblock(async_redis, conn, event_loop):
"""Blocking command that gets unblocked after some time."""
async def unblock():
await asyncio.sleep(0.1)
await async_redis.rpush("list", "y")
task = event_loop.create_task(unblock())
result = await conn.blpop("list", timeout=1)
assert result == (b"list", b"y")
await task
async def test_wrongtype_error(async_redis: redis.asyncio.Redis):
await async_redis.set("foo", "bar")
with pytest.raises(redis.asyncio.ResponseError, match="^WRONGTYPE"):
await async_redis.rpush("foo", "baz")
async def test_syntax_error(async_redis: redis.asyncio.Redis):
with pytest.raises(redis.asyncio.ResponseError, match="^wrong number of arguments for 'get' command$"):
await async_redis.execute_command("get")
@pytest.mark.decode_responses
async def test_never_decode(async_redis: redis.asyncio.Redis):
assert async_redis.connection_pool.get_encoder().decode_responses
await async_redis.execute_command("set", "key", "some ascii")
text = await async_redis.execute_command("get", "key")
assert isinstance(text, str)
bytestr = await async_redis.execute_command("get", "key", NEVER_DECODE=True)
assert isinstance(bytestr, bytes)
@testtools.run_test_if_lupa
class TestScripts:
async def test_no_script_error(self, async_redis: redis.asyncio.Redis):
with pytest.raises(redis.exceptions.NoScriptError):
await async_redis.evalsha("0123456789abcdef0123456789abcdef", 0)
@pytest.mark.max_server("6.2.7")
async def test_failed_script_error6(self, async_redis):
await async_redis.set("foo", "bar")
with pytest.raises(redis.asyncio.ResponseError, match="^Error running script"):
await async_redis.eval('return redis.call("ZCOUNT", KEYS[1])', 1, "foo")
@pytest.mark.min_server("7")
async def test_failed_script_error7(self, async_redis):
await async_redis.set("foo", "bar")
with pytest.raises(redis.asyncio.ResponseError):
await async_redis.eval('return redis.call("ZCOUNT", KEYS[1])', 1, "foo")
async def test_type(async_redis: redis.asyncio.Redis):
await async_redis.set("string_key", "value")
await async_redis.lpush("list_key", "value")
await async_redis.sadd("set_key", "value")
await async_redis.zadd("zset_key", {"value": 1})
await async_redis.hset("hset_key", "key", "value")
assert b"string" == await async_redis.type("string_key") # noqa: E721
assert b"list" == await async_redis.type("list_key") # noqa: E721
assert b"set" == await async_redis.type("set_key") # noqa: E721
assert b"zset" == await async_redis.type("zset_key") # noqa: E721
assert b"hash" == await async_redis.type("hset_key") # noqa: E721
assert b"none" == await async_redis.type("none_key") # noqa: E721
async def test_xdel(async_redis: redis.asyncio.Redis):
stream = "stream"
# deleting from an empty stream doesn't do anything
assert await async_redis.xdel(stream, 1) == 0
m1 = await async_redis.xadd(stream, {"foo": "bar"})
m2 = await async_redis.xadd(stream, {"foo": "bar"})
m3 = await async_redis.xadd(stream, {"foo": "bar"})
# xdel returns the number of deleted elements
assert await async_redis.xdel(stream, m1) == 1
assert await async_redis.xdel(stream, m2, m3) == 2
async def test_connection_with_username_and_password():
server = FakeServer()
r = aioredis.FakeRedis(server=server, username="username", password="password")
test_value = "this_is_a_test"
await r.hset("test:key", "test_hash", test_value)
result = await r.hget("test:key", "test_hash")
assert result.decode() == test_value
@pytest.mark.asyncio
async def test_cause_fakeredis_bug(async_redis):
if sys.version_info < (3, 11):
return
async def worker_task():
assert await async_redis.rpush("list1", "list1_val") == 1 # 1
assert await async_redis.blpop("list2") == (b"list2", b"list2_val") # 4
assert await async_redis.set("foo", "bar") is True # 5
async with asyncio.TaskGroup() as tg:
tg.create_task(worker_task())
assert await async_redis.blpop("list1") == (b"list1", b"list1_val") # 2
assert await async_redis.rpush("list2", "list2_val") == 1 # 3
# await async_redis.get("foo") # uncomment to make test pass
assert await async_redis.get("foo") == b"bar"
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