def test_delete_removes_item_from_storage(self):
storage = {"foo": "bar"}
cache = InMemoryCache(storage)
d = cache.delete("foo")
self.successResultOf(d)
self.assertEqual(storage, {})
def test_delete_returns_true_when_key_is_present(self):
cache = InMemoryCache({"foo": "bar"})
d = cache.delete("foo")
self.assertTrue(self.successResultOf(d))
def test_delete_returns_false_when_is_not_present(self):
cache = InMemoryCache({})
d = cache.delete("foo")
self.assertFalse(self.successResultOf(d))
def test_delete_returns_false_when_all_return_false(self):
c1 = InMemoryCache({})
c2 = InMemoryCache({})
cache = MultiCache([c1, c2])
d = cache.delete("foo")
self.assertFalse(self.successResultOf(d))
def test_delete_returns_true_when_any_return_true(self):
c1 = InMemoryCache({})
c2 = InMemoryCache({"foo": "bar"})
cache = MultiCache([c1, c2])
d = cache.delete("foo")
self.assertTrue(self.successResultOf(d))
def test_delete_removes_item_from_storage(self):
storage = {"foo": "bar"}
cache = InMemoryCache(storage)
d = cache.delete("foo")
self.successResultOf(d)
self.assertEqual(storage, {})
def test_delete_returns_false_when_is_not_present(self):
cache = InMemoryCache({})
d = cache.delete("foo")
self.assertFalse(self.successResultOf(d))
def test_delete_returns_true_when_key_is_present(self):
cache = InMemoryCache({"foo": "bar"})
d = cache.delete("foo")
self.assertTrue(self.successResultOf(d))