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test_instance_info.py
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test_instance_info.py
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# Copyright 2010 New Relic, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import pytest
import redis
from newrelic.hooks.datastore_redis import _conn_attrs_to_dict, _instance_info
REDIS_PY_VERSION = redis.VERSION
_instance_info_tests = [
((), {}, ("localhost", "6379", "0")),
((), {"host": None}, ("localhost", "6379", "0")),
((), {"host": ""}, ("localhost", "6379", "0")),
((), {"db": None}, ("localhost", "6379", "0")),
((), {"db": ""}, ("localhost", "6379", "0")),
((), {"host": "127.0.0.1", "port": 1234, "db": 2}, ("127.0.0.1", "1234", "2")),
(("127.0.0.1", 1234, 2), {}, ("127.0.0.1", "1234", "2")),
]
class DisabledConnection(redis.Connection):
@staticmethod
def connect(*args, **kwargs):
pass
class DisabledUnixConnection(redis.UnixDomainSocketConnection, DisabledConnection):
pass
class DisabledSSLConnection(redis.SSLConnection, DisabledConnection):
pass
@pytest.mark.parametrize("args,kwargs,expected", _instance_info_tests)
def test_redis_client_instance_info(args, kwargs, expected):
r = redis.Redis(*args, **kwargs)
conn_kwargs = r.connection_pool.connection_kwargs
assert _instance_info(conn_kwargs) == expected
@pytest.mark.parametrize("args,kwargs,expected", _instance_info_tests)
def test_strict_redis_client_instance_info(args, kwargs, expected):
r = redis.StrictRedis(*args, **kwargs)
conn_kwargs = r.connection_pool.connection_kwargs
assert _instance_info(conn_kwargs) == expected
@pytest.mark.parametrize("args,kwargs,expected", _instance_info_tests)
def test_redis_connection_instance_info(args, kwargs, expected):
r = redis.Redis(*args, **kwargs)
r.connection_pool.connection_class = DisabledConnection
connection = r.connection_pool.get_connection("SELECT")
try:
conn_kwargs = _conn_attrs_to_dict(connection)
assert _instance_info(conn_kwargs) == expected
finally:
r.connection_pool.release(connection)
@pytest.mark.parametrize("args,kwargs,expected", _instance_info_tests)
def test_strict_redis_connection_instance_info(args, kwargs, expected):
r = redis.StrictRedis(*args, **kwargs)
r.connection_pool.connection_class = DisabledConnection
connection = r.connection_pool.get_connection("SELECT")
try:
conn_kwargs = _conn_attrs_to_dict(connection)
assert _instance_info(conn_kwargs) == expected
finally:
r.connection_pool.release(connection)
_instance_info_from_url_tests = [
(("redis://localhost:1234/",), {}, ("localhost", "1234", "0")),
(("redis://localhost:1234",), {}, ("localhost", "1234", "0")),
(("redis://user:password@localhost:6379",), {}, ("localhost", "6379", "0")),
(("redis://localhost:6379/2",), {}, ("localhost", "6379", "2")),
(("redis://localhost:6379",), {"db": 2}, ("localhost", "6379", "2")),
(("redis://@127.0.0.1:6379",), {}, ("127.0.0.1", "6379", "0")),
(("redis://:1234/",), {}, ("localhost", "1234", "0")),
(("redis://@:1234/",), {}, ("localhost", "1234", "0")),
(("redis://localhost:1234/garbage",), {}, ("localhost", "1234", "0")),
]
# Behavior to default port to 6379 was added in v2.7.5
# (https://github.com/redis/redis-py/commit/cfe1041bbb8a8887531810429879bffbe705b03a)
# and removed in v4.0.0b1 (https://github.com/redis/redis-py/blame/v4.0.0b1/redis/connection.py#L997)
if (3, 5, 3) >= REDIS_PY_VERSION >= (2, 7, 5):
_instance_info_from_url_tests.append((("redis://127.0.0.1",), {}, ("127.0.0.1", "6379", "0")))
if REDIS_PY_VERSION >= (2, 10):
_instance_info_from_url_tests.extend(
[
(("rediss://localhost:6379/2/",), {}, ("localhost", "6379", "2")),
(("redis://localhost:6379",), {"host": "someotherhost"}, ("localhost", "6379", "0")),
(("redis://localhost:6379/2",), {"db": 3}, ("localhost", "6379", "2")),
(("redis://localhost:6379/2/?db=111",), {}, ("localhost", "6379", "111")),
(("redis://localhost:6379?db=2",), {}, ("localhost", "6379", "2")),
(("redis://localhost:6379/2?db=111",), {}, ("localhost", "6379", "111")),
(("unix:///path/to/socket.sock",), {}, ("localhost", "/path/to/socket.sock", "0")),
(("unix:///path/to/socket.sock?db=2",), {}, ("localhost", "/path/to/socket.sock", "2")),
(("unix:///path/to/socket.sock",), {"db": 2}, ("localhost", "/path/to/socket.sock", "2")),
]
)
@pytest.mark.skipif(REDIS_PY_VERSION < (2, 6), reason="from_url not yet implemented in this redis-py version")
@pytest.mark.parametrize("args,kwargs,expected", _instance_info_from_url_tests)
def test_redis_client_from_url(args, kwargs, expected):
r = redis.Redis.from_url(*args, **kwargs)
conn_kwargs = r.connection_pool.connection_kwargs
assert _instance_info(conn_kwargs) == expected
@pytest.mark.skipif(REDIS_PY_VERSION < (2, 6), reason="from_url not yet implemented in this redis-py version")
@pytest.mark.parametrize("args,kwargs,expected", _instance_info_from_url_tests)
def test_strict_redis_client_from_url(args, kwargs, expected):
r = redis.StrictRedis.from_url(*args, **kwargs)
conn_kwargs = r.connection_pool.connection_kwargs
assert _instance_info(conn_kwargs) == expected
@pytest.mark.skipif(REDIS_PY_VERSION < (2, 6), reason="from_url not yet implemented in this redis-py version")
@pytest.mark.parametrize("args,kwargs,expected", _instance_info_from_url_tests)
def test_redis_connection_from_url(args, kwargs, expected):
r = redis.Redis.from_url(*args, **kwargs)
if r.connection_pool.connection_class is redis.Connection:
r.connection_pool.connection_class = DisabledConnection
elif r.connection_pool.connection_class is redis.UnixDomainSocketConnection:
r.connection_pool.connection_class = DisabledUnixConnection
elif r.connection_pool.connection_class is redis.SSLConnection:
r.connection_pool.connection_class = DisabledSSLConnection
else:
assert False, r.connection_pool.connection_class
connection = r.connection_pool.get_connection("SELECT")
try:
conn_kwargs = _conn_attrs_to_dict(connection)
assert _instance_info(conn_kwargs) == expected
finally:
r.connection_pool.release(connection)
@pytest.mark.skipif(REDIS_PY_VERSION < (2, 6), reason="from_url not yet implemented in this redis-py version")
@pytest.mark.parametrize("args,kwargs,expected", _instance_info_from_url_tests)
def test_strict_redis_connection_from_url(args, kwargs, expected):
r = redis.StrictRedis.from_url(*args, **kwargs)
if r.connection_pool.connection_class is redis.Connection:
r.connection_pool.connection_class = DisabledConnection
elif r.connection_pool.connection_class is redis.UnixDomainSocketConnection:
r.connection_pool.connection_class = DisabledUnixConnection
elif r.connection_pool.connection_class is redis.SSLConnection:
r.connection_pool.connection_class = DisabledSSLConnection
else:
assert False, r.connection_pool.connection_class
connection = r.connection_pool.get_connection("SELECT")
try:
conn_kwargs = _conn_attrs_to_dict(connection)
assert _instance_info(conn_kwargs) == expected
finally:
r.connection_pool.release(connection)