def test_general_flow(self, log_mock):
cache_storage = MemoryStorage()
back_storage = MemoryStorage()
inq = Inquiry(action='get')
chk1 = RulesChecker()
p1 = Policy(1, description='initial')
p2 = Policy(2, description='initial')
p3 = Policy(3, description='added later')
# initialize backend storage
back_storage.add(p1)
back_storage.add(p2)
# create enfold-cache but do not populate it
ec = EnfoldCache(back_storage, cache=cache_storage, populate=False)
# make sure policies are returned from the backend
assert [p1, p2] == list(ec.find_for_inquiry(inquiry=inq, checker=chk1))
# make sure we logged warning about cache miss
log_mock.warning.assert_called_with(
'%s cache miss for find_for_inquiry. Trying it from backend storage',
'EnfoldCache')
log_mock.reset_mock()
# populate cache with backend policies so that we do not make cache hit misses
ec.populate()
# make sure policies are returned
assert [p1, p2] == list(ec.find_for_inquiry(inquiry=inq, checker=chk1))
# make sure we do not have cache misses
assert 0 == log_mock.warning.call_count
log_mock.reset_mock()
# let's add a new policy via enfold-cache
ec.add(p3)
# make sure policies are returned
assert [p1, p2,
p3] == list(ec.find_for_inquiry(inquiry=inq, checker=chk1))
# make sure we do not have cache misses
assert 0 == log_mock.warning.call_count
log_mock.reset_mock()
# make sure we have those policies in the backend-storage
assert [p1, p2, p3] == list(
back_storage.find_for_inquiry(inquiry=inq, checker=chk1))
# make sure we have those policies in the cache-storage
assert [p1, p2, p3] == list(
cache_storage.find_for_inquiry(inquiry=inq, checker=chk1))
# -----------------------
# -----------------------
# -----------------------
# let's re-create enfold cache. This time with initial population
cache_storage2 = MemoryStorage()
ec2 = EnfoldCache(back_storage, cache=cache_storage2, populate=True)
# make sure we have all policies in the cache-storage
assert [p1, p2, p3] == list(
cache_storage2.find_for_inquiry(inquiry=inq, checker=chk1))
# make sure policies are returned by find_for_inquiry
assert [p1, p2,
p3] == list(ec2.find_for_inquiry(inquiry=inq, checker=chk1))
# make sure we do not have cache misses
assert 0 == log_mock.warning.call_count
log_mock.reset_mock()
def test_find_for_inquiry_return_value(self, storage):
cache_storage = storage
back_storage = MemoryStorage()
ec = EnfoldCache(back_storage, cache=cache_storage)
inq = Inquiry(action='get')
p1 = Policy(1)
p2 = Policy(2)
ec.add(p1)
ec.add(p2)
backend_return = back_storage.find_for_inquiry(inq)
ec_return = ec.find_for_inquiry(inq)
assert list(backend_return) == list(ec_return)
