openstack/swift
Code Issues Proposed changes

Merge "tests: Improve FakeMemcache call tracking"

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This commit is contained in:
Zuul 2022-01-11 01:46:03 +00:00 committed by Gerrit Code Review
commit 96b7980196
2 changed files with 51 additions and 44 deletions
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28
test/unit/__init__.py
View File

@ -401,6 +401,13 @@ class FabricatedRing(Ring):
self._update_bookkeeping()
def track(f):
def wrapper(self, *a, **kw):
self.calls.append(getattr(mocklib.call, f.__name__)(*a, **kw))
return f(self, *a, **kw)
return wrapper
class FakeMemcache(object):
def __init__(self):
@ -412,19 +419,16 @@ class FakeMemcache(object):
def clear_calls(self):
del self.calls[:]
def _called(self, method, key=None, value=None, time=None):
self.calls.append((method, key, value, time))
@track
def get(self, key):
self._called('get', key)
return self.store.get(key)
@property
def keys(self):
self._called('keys')
return self.store.keys()
return self.store.keys
@track
def set(self, key, value, serialize=True, time=0):
self._called('set', key, value, time)
if serialize:
value = json.loads(json.dumps(value))
else:
@ -432,8 +436,8 @@ class FakeMemcache(object):
self.store[key] = value
return True
@track
def incr(self, key, delta=1, time=0):
self._called('incr', key, time=time)
if self.error_on_incr:
raise MemcacheConnectionError('Memcache restarting')
if self.init_incr_return_neg:
@ -445,6 +449,7 @@ class FakeMemcache(object):
self.store[key] = 0
return self.store[key]
# tracked via incr()
def decr(self, key, delta=1, time=0):
return self.incr(key, delta=-delta, time=time)
@ -452,8 +457,8 @@ class FakeMemcache(object):
def soft_lock(self, key, timeout=0, retries=5):
yield True
@track
def delete(self, key):
self._called('delete', key)
try:
del self.store[key]
except Exception:
@ -464,6 +469,11 @@ class FakeMemcache(object):
self.store.clear()
# This decorator only makes sense in the context of FakeMemcache;
# may as well clean it up now
del track
class FakeIterable(object):
def __init__(self, values):
self.next_call_count = 0

67
test/unit/proxy/controllers/test_container.py
View File

@ -2110,14 +2110,13 @@ class TestContainerController(TestRingBase):
'X-Backend-Record-Type': 'shard',
'X-Backend-Sharding-State': sharding_state})
self.assertEqual(
[('get', 'container/a/c', None, None),
('set', 'shard-listing/a/c', self.sr_dicts,
exp_recheck_listing),
('set', 'container/a/c', mock.ANY, 60)],
[mock.call.get('container/a/c'),
mock.call.set('shard-listing/a/c', self.sr_dicts,
time=exp_recheck_listing),
mock.call.set('container/a/c', mock.ANY, time=60)],
self.memcache.calls)
self.assertEqual(self.sr_dicts, self.memcache.calls[1][2])
self.assertEqual(sharding_state,
self.memcache.calls[2][2]['sharding_state'])
self.memcache.calls[2][1][1]['sharding_state'])
self.assertIn('swift.infocache', req.environ)
self.assertIn('shard-listing/a/c', req.environ['swift.infocache'])
self.assertEqual(tuple(self.sr_dicts),
@ -2134,8 +2133,8 @@ class TestContainerController(TestRingBase):
'X-Backend-Record-Type': 'shard',
'X-Backend-Sharding-State': sharding_state})
self.assertEqual(
[('get', 'container/a/c', None, None),
('get', 'shard-listing/a/c', None, None)],
[mock.call.get('container/a/c'),
mock.call.get('shard-listing/a/c')],
self.memcache.calls)
self.assertIn('swift.infocache', req.environ)
self.assertIn('shard-listing/a/c', req.environ['swift.infocache'])
@ -2151,8 +2150,8 @@ class TestContainerController(TestRingBase):
self._capture_backend_request(req, 204, b'', {},
num_resp=self.CONTAINER_REPLICAS)
self.assertEqual(
[('delete', 'container/a/c', None, None),
('delete', 'shard-listing/a/c', None, None)],
[mock.call.delete('container/a/c'),
mock.call.delete('shard-listing/a/c')],
self.memcache.calls)
def test_get_from_shards_add_root_spi(self):
@ -2281,11 +2280,11 @@ class TestContainerController(TestRingBase):
# Note: container metadata is updated in cache but shard ranges are not
# deleted from cache
self.assertEqual(
[('get', 'container/a/c', None, None),
('get', 'shard-listing/a/c', None, None),
('set', 'container/a/c', mock.ANY, 6.0)],
[mock.call.get('container/a/c'),
mock.call.get('shard-listing/a/c'),
mock.call.set('container/a/c', mock.ANY, time=6.0)],
self.memcache.calls)
self.assertEqual(404, self.memcache.calls[2][2]['status'])
self.assertEqual(404, self.memcache.calls[2][1][1]['status'])
self.assertEqual(b'', resp.body)
self.assertEqual(404, resp.status_int)
@ -2304,8 +2303,8 @@ class TestContainerController(TestRingBase):
req = self._build_request(req_hdrs, params, {})
resp = req.get_response(self.app)
self.assertEqual(
[('get', 'container/a/c', None, None),
('get', 'shard-listing/a/c', None, None)],
[mock.call.get('container/a/c'),
mock.call.get('shard-listing/a/c')],
self.memcache.calls)
return resp
@ -2387,14 +2386,13 @@ class TestContainerController(TestRingBase):
expected_hdrs = {'X-Backend-Recheck-Container-Existence': '60'}
expected_hdrs.update(resp_hdrs)
self.assertEqual(
[('get', 'container/a/c', None, None),
('set', 'shard-listing/a/c', self.sr_dicts, 600),
('set', 'container/a/c', mock.ANY, 60)],
[mock.call.get('container/a/c'),
mock.call.set('shard-listing/a/c', self.sr_dicts, time=600),
mock.call.set('container/a/c', mock.ANY, time=60)],
self.memcache.calls)
# shards were cached
self.assertEqual(self.sr_dicts, self.memcache.calls[1][2])
self.assertEqual('sharded',
self.memcache.calls[2][2]['sharding_state'])
self.memcache.calls[2][1][1]['sharding_state'])
return resp
def test_GET_shard_ranges_write_to_cache(self):
@ -2480,12 +2478,11 @@ class TestContainerController(TestRingBase):
expected_hdrs.update(resp_hdrs)
self._check_response(resp, self.sr_dicts, expected_hdrs)
self.assertEqual(
[('set', 'shard-listing/a/c', self.sr_dicts, 600),
('set', 'container/a/c', mock.ANY, 60)],
[mock.call.set('shard-listing/a/c', self.sr_dicts, time=600),
mock.call.set('container/a/c', mock.ANY, time=60)],
self.memcache.calls)
self.assertEqual(self.sr_dicts, self.memcache.calls[0][2])
self.assertEqual('sharded',
self.memcache.calls[1][2]['sharding_state'])
self.memcache.calls[1][1][1]['sharding_state'])
def _do_test_GET_shard_ranges_no_cache_write(self, resp_hdrs):
# verify that there is a cache lookup to check container info but then
@ -2516,11 +2513,11 @@ class TestContainerController(TestRingBase):
# container metadata is looked up in memcache for sharding state
# container metadata is set in memcache
self.assertEqual(
[('get', 'container/a/c', None, None),
('set', 'container/a/c', mock.ANY, 60)],
[mock.call.get('container/a/c'),
mock.call.set('container/a/c', mock.ANY, time=60)],
self.memcache.calls)
self.assertEqual(resp.headers.get('X-Backend-Sharding-State'),
self.memcache.calls[1][2]['sharding_state'])
self.memcache.calls[1][1][1]['sharding_state'])
self.memcache.delete_all()
def test_GET_shard_ranges_no_cache_write_with_cached_container_info(self):
@ -2650,11 +2647,11 @@ class TestContainerController(TestRingBase):
# container metadata is looked up in memcache for sharding state
# container metadata is set in memcache
self.assertEqual(
[('get', 'container/a/c', None, None),
('set', 'container/a/c', mock.ANY, 60)],
[mock.call.get('container/a/c'),
mock.call.set('container/a/c', mock.ANY, time=60)],
self.memcache.calls)
self.assertEqual(resp.headers.get('X-Backend-Sharding-State'),
self.memcache.calls[1][2]['sharding_state'])
self.memcache.calls[1][1][1]['sharding_state'])
self.memcache.delete_all()
def test_GET_shard_ranges_bad_response_body(self):
@ -2703,10 +2700,10 @@ class TestContainerController(TestRingBase):
'X-Backend-Sharding-State': sharding_state})
# container metadata from backend response is set in memcache
self.assertEqual(
[('set', 'container/a/c', mock.ANY, 60)],
[mock.call.set('container/a/c', mock.ANY, time=60)],
self.memcache.calls)
self.assertEqual(sharding_state,
self.memcache.calls[0][2]['sharding_state'])
self.memcache.calls[0][1][1]['sharding_state'])
def test_GET_shard_ranges_no_cache_recheck_listing_shard_ranges(self):
# verify that a GET for shards does not lookup or store in cache when
@ -2773,10 +2770,10 @@ class TestContainerController(TestRingBase):
'X-Backend-Sharding-State': 'sharded'})
# container metadata from backend response is set in memcache
self.assertEqual(
[('set', 'container/a/c', mock.ANY, 60)],
[mock.call.set('container/a/c', mock.ANY, time=60)],
self.memcache.calls)
self.assertEqual('sharded',
self.memcache.calls[0][2]['sharding_state'])
self.memcache.calls[0][1][1]['sharding_state'])
def test_GET_shard_ranges_no_memcache_available(self):
self._setup_shard_range_stubs()