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Fixed #27132 -- Allowed testing MemcachedCache and PyLibMCCache during the same test run.

This commit is contained in:
Ed Morley 2016-08-29 15:23:54 +01:00 committed by Tim Graham
parent cfd1f93d55
commit 047c1d48a6
1 changed files with 42 additions and 34 deletions
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76
tests/cache/tests.py vendored
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@ -1142,21 +1142,18 @@ class LocMemCacheTests(BaseCacheTests, TestCase):
# To check the memcached backend, the test settings file will
# need to contain at least one cache backend setting that points at
# your memcache server.
memcached_params = {}
configured_caches = {}
for _cache_params in settings.CACHES.values():
if _cache_params['BACKEND'].startswith('django.core.cache.backends.memcached.'):
memcached_params = _cache_params
configured_caches[_cache_params['BACKEND']] = _cache_params
MemcachedCache_params = configured_caches.get('django.core.cache.backends.memcached.MemcachedCache')
PyLibMCCache_params = configured_caches.get('django.core.cache.backends.memcached.PyLibMCCache')
# The memcached backends don't support cull-related options like `MAX_ENTRIES`.
memcached_excluded_caches = {'cull', 'zero_cull'}
@unittest.skipUnless(memcached_params, "memcached not available")
@override_settings(CACHES=caches_setting_for_tests(
base=memcached_params,
exclude=memcached_excluded_caches,
))
class MemcachedCacheTests(BaseCacheTests, TestCase):
class BaseMemcachedTests(BaseCacheTests):
def test_invalid_key_characters(self):
"""
@ -1177,36 +1174,24 @@ class MemcachedCacheTests(BaseCacheTests, TestCase):
with self.assertRaises(Exception):
cache.set('a' * 251, 'value')
# Explicitly display a skipped test if no configured cache uses MemcachedCache
@unittest.skipUnless(
memcached_params.get('BACKEND') == 'django.core.cache.backends.memcached.MemcachedCache',
"cache with python-memcached library not available")
def test_memcached_uses_highest_pickle_version(self):
# Regression test for #19810
for cache_key, cache_config in settings.CACHES.items():
if cache_config['BACKEND'] == 'django.core.cache.backends.memcached.MemcachedCache':
self.assertEqual(caches[cache_key]._cache.pickleProtocol,
pickle.HIGHEST_PROTOCOL)
@override_settings(CACHES=caches_setting_for_tests(
base=memcached_params,
exclude=memcached_excluded_caches,
TIMEOUT=None,
))
def test_default_never_expiring_timeout(self):
# Regression test for #22845
cache.set('infinite_foo', 'bar')
self.assertEqual(cache.get('infinite_foo'), 'bar')
with self.settings(CACHES=caches_setting_for_tests(
base=self.base_params,
exclude=memcached_excluded_caches,
TIMEOUT=None)):
cache.set('infinite_foo', 'bar')
self.assertEqual(cache.get('infinite_foo'), 'bar')
@override_settings(CACHES=caches_setting_for_tests(
base=memcached_params,
exclude=memcached_excluded_caches,
TIMEOUT=31536000, # 60*60*24*365, 1 year
))
def test_default_far_future_timeout(self):
# Regression test for #22845
cache.set('future_foo', 'bar')
self.assertEqual(cache.get('future_foo'), 'bar')
with self.settings(CACHES=caches_setting_for_tests(
base=self.base_params,
exclude=memcached_excluded_caches,
# 60*60*24*365, 1 year
TIMEOUT=31536000)):
cache.set('future_foo', 'bar')
self.assertEqual(cache.get('future_foo'), 'bar')
def test_cull(self):
# culling isn't implemented, memcached deals with it.
@ -1235,6 +1220,29 @@ class MemcachedCacheTests(BaseCacheTests, TestCase):
self.assertTrue(value is None or value == large_value)
@unittest.skipUnless(MemcachedCache_params, "MemcachedCache backend not configured")
@override_settings(CACHES=caches_setting_for_tests(
base=MemcachedCache_params,
exclude=memcached_excluded_caches,
))
class MemcachedCacheTests(BaseMemcachedTests, TestCase):
base_params = MemcachedCache_params
def test_memcached_uses_highest_pickle_version(self):
# Regression test for #19810
for cache_key, cache_config in settings.CACHES.items():
self.assertEqual(caches[cache_key]._cache.pickleProtocol, pickle.HIGHEST_PROTOCOL)
@unittest.skipUnless(PyLibMCCache_params, "PyLibMCCache backend not configured")
@override_settings(CACHES=caches_setting_for_tests(
base=PyLibMCCache_params,
exclude=memcached_excluded_caches,
))
class PyLibMCCacheTests(BaseMemcachedTests, TestCase):
base_params = PyLibMCCache_params
@override_settings(CACHES=caches_setting_for_tests(
BACKEND='django.core.cache.backends.filebased.FileBasedCache',
))