def test_get_creates_new_object_if_original_object_is_expired(self):
self.cache = ObjectCache(ttl_seconds=-10)
cached_object = self.cache.get(TestObject)
assert_that(self.cache.get(TestObject)).is_not_same_as(cached_object)
def setUp(self):
self.cache = ObjectCache()
def test_get_time_to_live(self):
self.cache = ObjectCache(ttl_seconds=60)
assert_that(self.cache.get_time_to_live()).is_equal_to(60)
class TestObjectCache(TestCase):
def setUp(self):
self.cache = ObjectCache()
def test_get_time_to_live_default_value(self):
assert_that(self.cache.get_time_to_live()).is_equal_to(30)
def test_get_time_to_live(self):
self.cache = ObjectCache(ttl_seconds=60)
assert_that(self.cache.get_time_to_live()).is_equal_to(60)
def test_get(self):
cached_object = self.cache.get(TestObject)
assert_that(cached_object).is_instance_of(TestObject)
def test_get_caches_objects(self):
cached_object = self.cache.get(TestObject)
assert_that(self.cache.get(TestObject)).is_same_as(cached_object)
def test_clear_clears_cache(self):
cached_object = self.cache.get(TestObject)
self.cache.clear()
assert_that(self.cache.get(TestObject)).is_not_same_as(cached_object)
def test_clear_resets_counters(self):
self.cache.get(TestObject)
self.cache.get(TestObject)
self.cache.clear()
assert_that(self.cache.get_ratio()).is_equal_to(0.0)
def test_get_creates_new_object_if_original_object_is_expired(self):
self.cache = ObjectCache(ttl_seconds=-10)
cached_object = self.cache.get(TestObject)
assert_that(self.cache.get(TestObject)).is_not_same_as(cached_object)
def test_get_different_objects_for_different_create_objects(self):
class OtherTestObject(TestObject):
pass
cached_object = self.cache.get(TestObject)
other_cached_object = self.cache.get(OtherTestObject)
assert_that(cached_object).is_not_equal_to(other_cached_object)
def test_get_with_arg_is_called_with_same_arg(self):
argument1 = object()
argument2 = object()
cached_object = self.cache.get(TestObject, argument1, argument2)
assert_that(cached_object.get_args()).contains(argument1, argument2)
assert_that(not cached_object.get_kwargs())
def test_get_with_arg_is_cached(self):
argument = object()
cached_object = self.cache.get(TestObject, argument)
assert_that(self.cache.get(TestObject,
argument)).is_same_as(cached_object)
def test_get_with_kwargs_is_called_with_same_kwargs(self):
argument1 = object()
argument2 = object()
cached_object = self.cache.get(TestObject,
foo=argument1,
bar=argument2)
assert_that(not cached_object.get_args())
assert_that(cached_object.get_kwargs()).is_equal_to({
'foo': argument1,
'bar': argument2
})
def test_get_with_kwargs_is_cached(self):
argument1 = object()
argument2 = object()
cached_object = self.cache.get(TestObject,
foo=argument1,
bar=argument2)
assert_that(self.cache.get(TestObject, bar=argument2,
foo=argument1)).is_same_as(cached_object)
def test_get_ratio(self):
assert_that(self.cache.get_ratio()).is_equal_to(0.0)
self.cache.get(TestObject)
assert_that(self.cache.get_ratio()).is_equal_to(0.0)
self.cache.get(TestObject)
assert_that(self.cache.get_ratio()).is_equal_to(0.5)
def test_get_creates_new_object_if_original_object_is_expired(self):
self.cache = ObjectCache(ttl_seconds=-10)
cached_object = self.cache.get(TestObject)
assert_that(self.cache.get(TestObject), is_not(same_instance(cached_object)))
def test_get_time_to_live(self):
self.cache = ObjectCache(ttl_seconds=60)
assert_that(self.cache.get_time_to_live(), is_(60))
def setUp(self):
self.cache = ObjectCache()
class TestObjectCache(TestCase):
def setUp(self):
self.cache = ObjectCache()
def test_get_time_to_live_default_value(self):
assert_that(self.cache.get_time_to_live(), is_(30))
def test_get_time_to_live(self):
self.cache = ObjectCache(ttl_seconds=60)
assert_that(self.cache.get_time_to_live(), is_(60))
def test_get(self):
cached_object = self.cache.get(TestObject)
assert_that(cached_object, instance_of(TestObject))
def test_get_caches_objects(self):
cached_object = self.cache.get(TestObject)
assert_that(self.cache.get(TestObject), is_(same_instance(cached_object)))
def test_clear_clears_cache(self):
cached_object = self.cache.get(TestObject)
self.cache.clear()
assert_that(self.cache.get(TestObject), is_not(same_instance(cached_object)))
def test_clear_resets_counters(self):
self.cache.get(TestObject)
self.cache.get(TestObject)
self.cache.clear()
assert_that(self.cache.get_ratio(), is_(0.0))
def test_get_creates_new_object_if_original_object_is_expired(self):
self.cache = ObjectCache(ttl_seconds=-10)
cached_object = self.cache.get(TestObject)
assert_that(self.cache.get(TestObject), is_not(same_instance(cached_object)))
def test_get_different_objects_for_different_create_objects(self):
class OtherTestObject(TestObject):
pass
cached_object = self.cache.get(TestObject)
other_cached_object = self.cache.get(OtherTestObject)
assert_that(cached_object, is_not(other_cached_object))
def test_get_with_arg_is_called_with_same_arg(self):
argument1 = object()
argument2 = object()
cached_object = self.cache.get(TestObject, argument1, argument2)
assert_that(cached_object.get_args(), contains(argument1, argument2))
assert_that(not cached_object.get_kwargs())
def test_get_with_arg_is_cached(self):
argument = object()
cached_object = self.cache.get(TestObject, argument)
assert_that(self.cache.get(TestObject, argument), is_(same_instance(cached_object)))
def test_get_with_kwargs_is_called_with_same_kwargs(self):
argument1 = object()
argument2 = object()
cached_object = self.cache.get(TestObject, foo=argument1, bar=argument2)
assert_that(not cached_object.get_args())
assert_that(cached_object.get_kwargs(), is_({'foo': argument1, 'bar': argument2}))
def test_get_with_kwargs_is_cached(self):
argument1 = object()
argument2 = object()
cached_object = self.cache.get(TestObject, foo=argument1, bar=argument2)
assert_that(self.cache.get(TestObject, bar=argument2, foo=argument1), is_(same_instance(cached_object)))
def test_get_ratio(self):
assert_that(self.cache.get_ratio(), is_(0.0))
self.cache.get(TestObject)
assert_that(self.cache.get_ratio(), is_(0.0))
self.cache.get(TestObject)
assert_that(self.cache.get_ratio(), is_(0.5))