def test_pragma_no_cache(self, header_name, header_value):
cached_value, miss_values = get_timestamp_until_hit('/timestamp/cached')
assert cached_value in miss_values
# Should fetch resource from the master
no_cache_value = get_timestamp('/timestamp/cached', extra_headers={header_name: header_value})
assert no_cache_value != cached_value
# Checking that the new response was cached
hit_value, miss_values = get_timestamp_until_hit('/timestamp/cached')
assert hit_value in [no_cache_value] + miss_values
def test_expires_after_ttl(self):
"""We have set the expire times to > 1 sec because the docker image we use Cassandra
acceptance testing does not run in-memory Cassandra. This needs to be fixed with
PERF-1679."""
cached_value, miss_values = get_timestamp_until_hit('/timestamp/ttl')
assert cached_value in miss_values
# Cache entry should be expired after 2 seconds
time.sleep(2)
new_value = get_timestamp('/timestamp/ttl')
assert new_value != cached_value
def test_purge_cassandra(self):
val1_before = get_timestamp('/timestamp/purge/1')
val2_before = get_timestamp('/timestamp/purge/2')
val3_before = get_timestamp('/long_ttl/no-purge')
response = purge_resource({'namespace': 'backend.main', 'cache_name': 'timestamp'})
assert response == 'Purged namespace: backend.main & cache_name: timestamp'
val1_after = get_timestamp('/timestamp/purge/1')
val2_after = get_timestamp('/timestamp/purge/2')
val3_after, miss_values = get_timestamp_until_hit('/long_ttl/no-purge')
# Both val1 and val2 should be deleted after purge;
# however, val3 should remain as is before and after the purge.
assert val1_before != val1_after
assert val2_before != val2_after
assert val3_before in [val3_after] + miss_values
def test_endpoint_cached(self):
hit_value, miss_values = get_timestamp_until_hit('/timestamp/cached')
assert hit_value in miss_values
