diff --git a/tests/config/test_cache.py b/tests/config/test_cache.py
index f518abdb7a..79d417568d 100644
--- a/tests/config/test_cache.py
+++ b/tests/config/test_cache.py
@@ -12,12 +12,16 @@
# See the License for the specific language governing permissions and
# limitations under the License.
+from unittest.mock import patch
+
from synapse.config.cache import CacheConfig, add_resizable_cache
from synapse.util.caches.lrucache import LruCache
from tests.unittest import TestCase
+# Patch the global _CACHES so that each test runs against its own state.
+@patch("synapse.config.cache._CACHES", new_callable=dict)
class CacheConfigTests(TestCase):
def setUp(self):
# Reset caches before each test
@@ -26,7 +30,7 @@ class CacheConfigTests(TestCase):
def tearDown(self):
self.config.reset()
- def test_individual_caches_from_environ(self):
+ def test_individual_caches_from_environ(self, _caches):
"""
Individual cache factors will be loaded from the environment.
"""
@@ -39,7 +43,7 @@ class CacheConfigTests(TestCase):
self.assertEqual(dict(self.config.cache_factors), {"something_or_other": 2.0})
- def test_config_overrides_environ(self):
+ def test_config_overrides_environ(self, _caches):
"""
Individual cache factors defined in the environment will take precedence
over those in the config.
@@ -56,7 +60,7 @@ class CacheConfigTests(TestCase):
{"foo": 1.0, "bar": 3.0, "something_or_other": 2.0},
)
- def test_individual_instantiated_before_config_load(self):
+ def test_individual_instantiated_before_config_load(self, _caches):
"""
If a cache is instantiated before the config is read, it will be given
the default cache size in the interim, and then resized once the config
@@ -72,7 +76,7 @@ class CacheConfigTests(TestCase):
self.assertEqual(cache.max_size, 300)
- def test_individual_instantiated_after_config_load(self):
+ def test_individual_instantiated_after_config_load(self, _caches):
"""
If a cache is instantiated after the config is read, it will be
immediately resized to the correct size given the per_cache_factor if
@@ -85,7 +89,7 @@ class CacheConfigTests(TestCase):
add_resizable_cache("foo", cache_resize_callback=cache.set_cache_factor)
self.assertEqual(cache.max_size, 200)
- def test_global_instantiated_before_config_load(self):
+ def test_global_instantiated_before_config_load(self, _caches):
"""
If a cache is instantiated before the config is read, it will be given
the default cache size in the interim, and then resized to the new
@@ -100,7 +104,7 @@ class CacheConfigTests(TestCase):
self.assertEqual(cache.max_size, 400)
- def test_global_instantiated_after_config_load(self):
+ def test_global_instantiated_after_config_load(self, _caches):
"""
If a cache is instantiated after the config is read, it will be
immediately resized to the correct size given the global factor if there
@@ -113,7 +117,7 @@ class CacheConfigTests(TestCase):
add_resizable_cache("foo", cache_resize_callback=cache.set_cache_factor)
self.assertEqual(cache.max_size, 150)
- def test_cache_with_asterisk_in_name(self):
+ def test_cache_with_asterisk_in_name(self, _caches):
"""Some caches have asterisks in their name, test that they are set correctly."""
config = {
@@ -139,7 +143,7 @@ class CacheConfigTests(TestCase):
add_resizable_cache("*cache_c*", cache_resize_callback=cache_c.set_cache_factor)
self.assertEqual(cache_c.max_size, 200)
- def test_apply_cache_factor_from_config(self):
+ def test_apply_cache_factor_from_config(self, _caches):
"""Caches can disable applying cache factor updates, mainly used by
event cache size.
"""
|
