def test_purge_returns_400_on_invalid_cache_name(self):
with pytest.raises(bravado.exception.HTTPBadRequest) as e:
purge_resource({
'namespace': 'backend.main',
'cache_name': 'timestamp_invalid'
})
assert e.value.response.status_code == 400
assert e.value.response.text == 'Unknown cache_name timestamp_invalid for namespace backend.main'
def test_purge_cassandra_by_id(self):
get_through_spectre('/bulk_requester?ids=1')
assert_is_in_spectre_cache('/bulk_requester?ids=1')
# Purge id 1
purge_resource({'namespace': 'backend.main', 'cache_name': 'bulk_requester_does_not_cache_missing_ids', 'id': '1'})
get_resp_3 = get_through_spectre('/bulk_requester?ids=1')
# resp 3 was no longer cached.
assert get_resp_3.headers['Spectre-Cache-Status'] == 'miss'
def purge(self):
purge_resource({
'namespace':
'backend.main',
'cache_name':
'bulk_requester_does_not_cache_missing_ids'
})
purge_resource({
'namespace': 'backend.main',
'cache_name': 'bulk_requester_default'
})
def test_caching_works_with_id_extraction(self):
response = get_through_spectre('/biz?foo=bar&business_id=1234')
assert response.headers['Spectre-Cache-Status'] == 'miss'
# ensure extracting the id is not messing up the caching logic
assert_is_in_spectre_cache('/biz?foo=bar&business_id=1234')
# check that invalidation is actually supported
purge_resource({
'namespace': 'backend.main',
'cache_name': 'url_with_id_extraction',
'id': '1234',
})
# now this should be a cache miss
response = get_through_spectre('/biz?foo=bar&business_id=1234')
assert response.headers['Spectre-Cache-Status'] == 'miss'
def test_post_cached_with_id_can_be_purged(self):
response = post_through_spectre(
'/post_id_cache/',
data='{"request_id":123, "vary_id":"abc"}',
extra_headers={'content-type': 'application/json'})
assert response.status_code == 200
assert response.headers['Spectre-Cache-Status'] == 'miss'
# When calling with different data with same id, we will see a cache miss.
response = post_through_spectre(
'/post_id_cache/',
data='{"request_id":123, "vary_id":"def"}',
extra_headers={'content-type': 'application/json'})
assert response.status_code == 200
assert response.headers['Spectre-Cache-Status'] == 'miss'
# Calling again with same request_id should be a cache hit
response = post_through_spectre(
'/post_id_cache/',
data='{"request_id":123, "vary_id":"abc"}',
extra_headers={'content-type': 'application/json'})
assert response.status_code == 200
assert response.headers['Spectre-Cache-Status'] == 'hit'
# Purge all resources with same id.
purge_resource({
'namespace': 'backend.main',
'cache_name': 'post_with_id',
'id': '123'
})
# All resources with same id should be a miss now.
response = post_through_spectre(
'/post_id_cache/',
data='{"request_id":123, "vary_id":"def"}',
extra_headers={'content-type': 'application/json'})
assert response.status_code == 200
assert response.headers['Spectre-Cache-Status'] == 'miss'
response = post_through_spectre(
'/post_id_cache/',
data='{"request_id":123, "vary_id":"abc"}',
extra_headers={'content-type': 'application/json'})
assert response.status_code == 200
assert response.headers['Spectre-Cache-Status'] == 'miss'
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 purge(self):
purge_resource({
'namespace': 'backend.main',
'cache_name': 'post_no_id'
})
purge_resource({
'namespace': 'backend.main',
'cache_name': 'post_with_id'
})
purge_resource({
'namespace': 'backend.main',
'cache_name': 'post_with_id_varying_body'
})
def purge(self):
purge_resource({
'namespace': 'backend.main',
'cache_name': 'timestamp'
})
purge_resource({'namespace': 'backend.main', 'cache_name': 'long_ttl'})
