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from typing import Iterable
from unittest.mock import Mock, call, patch
import pytest
from django.core.cache import DEFAULT_CACHE_ALIAS
from pytest_django.fixtures import SettingsWrapper
from pytest_mock import MockerFixture
from django_redis.cache import RedisCache
from django_redis.client import DefaultClient, ShardClient
@pytest.fixture
def cache_client(cache: RedisCache) -> Iterable[DefaultClient]:
client = cache.client
client.set("TestClientClose", 0)
yield client
client.delete("TestClientClose")
class TestClientClose:
def test_close_client_disconnect_default(
self, cache_client: DefaultClient, mocker: MockerFixture
):
mock = mocker.patch.object(cache_client.connection_factory, "disconnect")
cache_client.close()
assert not mock.called
def test_close_disconnect_settings(
self,
cache_client: DefaultClient,
settings: SettingsWrapper,
mocker: MockerFixture,
):
settings.DJANGO_REDIS_CLOSE_CONNECTION = True
mock = mocker.patch.object(cache_client.connection_factory, "disconnect")
cache_client.close()
assert mock.called
def test_close_disconnect_settings_cache(
self,
cache_client: DefaultClient,
mocker: MockerFixture,
settings: SettingsWrapper,
):
settings.CACHES[DEFAULT_CACHE_ALIAS]["OPTIONS"]["CLOSE_CONNECTION"] = True
cache_client.set("TestClientClose", 0)
mock = mocker.patch.object(cache_client.connection_factory, "disconnect")
cache_client.close()
assert mock.called
def test_close_disconnect_client_options(
self, cache_client: DefaultClient, mocker: MockerFixture
):
cache_client._options["CLOSE_CONNECTION"] = True
mock = mocker.patch.object(cache_client.connection_factory, "disconnect")
cache_client.close()
assert mock.called
class TestDefaultClient:
@patch("test_client.DefaultClient.get_client")
@patch("test_client.DefaultClient.__init__", return_value=None)
def test_delete_pattern_calls_get_client_given_no_client(
self, init_mock, get_client_mock
):
client = DefaultClient()
client._backend = Mock()
client._backend.key_prefix = ""
client.delete_pattern(pattern="foo*")
get_client_mock.assert_called_once_with(write=True)
@patch("test_client.DefaultClient.make_pattern")
@patch("test_client.DefaultClient.get_client", return_value=Mock())
@patch("test_client.DefaultClient.__init__", return_value=None)
def test_delete_pattern_calls_make_pattern(
self, init_mock, get_client_mock, make_pattern_mock
):
client = DefaultClient()
client._backend = Mock()
client._backend.key_prefix = ""
get_client_mock.return_value.scan_iter.return_value = []
client.delete_pattern(pattern="foo*")
kwargs = {"version": None, "prefix": None}
make_pattern_mock.assert_called_once_with("foo*", **kwargs)
@patch("test_client.DefaultClient.make_pattern")
@patch("test_client.DefaultClient.get_client", return_value=Mock())
@patch("test_client.DefaultClient.__init__", return_value=None)
def test_delete_pattern_calls_scan_iter_with_count_if_itersize_given(
self, init_mock, get_client_mock, make_pattern_mock
):
client = DefaultClient()
client._backend = Mock()
client._backend.key_prefix = ""
get_client_mock.return_value.scan_iter.return_value = []
client.delete_pattern(pattern="foo*", itersize=90210)
get_client_mock.return_value.scan_iter.assert_called_once_with(
count=90210, match=make_pattern_mock.return_value
)
@patch("test_client.DefaultClient.make_pattern")
@patch("test_client.DefaultClient.get_client", return_value=Mock())
@patch("test_client.DefaultClient.__init__", return_value=None)
def test_delete_pattern_calls_pipeline_delete_and_execute(
self, init_mock, get_client_mock, make_pattern_mock
):
client = DefaultClient()
client._backend = Mock()
client._backend.key_prefix = ""
get_client_mock.return_value.scan_iter.return_value = [":1:foo", ":1:foo-a"]
get_client_mock.return_value.pipeline.return_value = Mock()
get_client_mock.return_value.pipeline.return_value.delete = Mock()
get_client_mock.return_value.pipeline.return_value.execute = Mock()
client.delete_pattern(pattern="foo*")
assert get_client_mock.return_value.pipeline.return_value.delete.call_count == 2
get_client_mock.return_value.pipeline.return_value.delete.assert_has_calls(
[call(":1:foo"), call(":1:foo-a")]
)
get_client_mock.return_value.pipeline.return_value.execute.assert_called_once()
class TestShardClient:
@patch("test_client.DefaultClient.make_pattern")
@patch("test_client.ShardClient.__init__", return_value=None)
def test_delete_pattern_calls_scan_iter_with_count_if_itersize_given(
self, init_mock, make_pattern_mock
):
client = ShardClient()
client._backend = Mock()
client._backend.key_prefix = ""
connection = Mock()
connection.scan_iter.return_value = []
client._serverdict = {"test": connection}
client.delete_pattern(pattern="foo*", itersize=10)
connection.scan_iter.assert_called_once_with(
count=10, match=make_pattern_mock.return_value
)
@patch("test_client.DefaultClient.make_pattern")
@patch("test_client.ShardClient.__init__", return_value=None)
def test_delete_pattern_calls_scan_iter(self, init_mock, make_pattern_mock):
client = ShardClient()
client._backend = Mock()
client._backend.key_prefix = ""
connection = Mock()
connection.scan_iter.return_value = []
client._serverdict = {"test": connection}
client.delete_pattern(pattern="foo*")
connection.scan_iter.assert_called_once_with(
match=make_pattern_mock.return_value
)
@patch("test_client.DefaultClient.make_pattern")
@patch("test_client.ShardClient.__init__", return_value=None)
def test_delete_pattern_calls_delete_for_given_keys(
self, init_mock, make_pattern_mock
):
client = ShardClient()
client._backend = Mock()
client._backend.key_prefix = ""
connection = Mock()
connection.scan_iter.return_value = [Mock(), Mock()]
connection.delete.return_value = 0
client._serverdict = {"test": connection}
client.delete_pattern(pattern="foo*")
connection.delete.assert_called_once_with(*connection.scan_iter.return_value)
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