def test_fetch_missing(self):
manager = BlobManager(self.tempdir, self.uri, self.secret, self.secret,
'user')
self.addCleanup(manager.close)
blob_id = 'remote_only_blob_id'
yield manager._encrypt_and_upload(blob_id, BytesIO("X"))
yield manager.fetch_missing()
result = yield manager.local.get(blob_id)
self.assertIsNotNone(result)
self.assertEquals(result.getvalue(), "X")
def test_sync_fetch_missing_retry(self):
manager = BlobManager(self.tempdir, self.uri, self.secret,
self.secret, uuid4().hex)
self.addCleanup(manager.close)
blob_id = 'remote_only_blob_id'
yield manager._encrypt_and_upload(blob_id, BytesIO("X"))
yield manager.refresh_sync_status_from_server()
yield self.port.stopListening()
d = manager.fetch_missing()
yield sleep(0.1)
self.port = reactor.listenTCP(
self.host.port, self.site, interface='127.0.0.1')
yield d
result = yield manager.local.get(blob_id)
self.assertIsNotNone(result)
self.assertEquals(result.getvalue(), "X")
class BlobPrioritiesTests(unittest.TestCase):
def setUp(self):
self.cleartext = BytesIO('patriarchy is opression')
self.secret = 'A' * 96
self.manager = BlobManager(self.tempdir, '', 'A' * 32, self.secret,
uuid4().hex, 'token', None)
self.addCleanup(self.manager.close)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_get_sets_default_priority(self):
self.manager._download_and_decrypt = Mock(return_value=None)
missing_blob_id = uuid4().hex
result = yield self.manager.get(missing_blob_id)
self.assertIsNone(result)
priority = yield self.manager._get_priority(missing_blob_id)
self.assertEqual(Priority.DEFAULT, priority)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_get_sets_priority(self):
self.manager._download_and_decrypt = Mock(return_value=None)
missing_blob_id = uuid4().hex
urgent = 'urgent'
result = yield self.manager.get(missing_blob_id, priority=urgent)
self.assertIsNone(result)
priority = yield self.manager._get_priority(missing_blob_id)
self.assertEqual(Priority.URGENT, priority)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_put_sets_default_priority(self):
upload_failure = defer.fail(Exception())
self.manager._encrypt_and_upload = Mock(return_value=upload_failure)
content, blob_id = "Blob content", uuid4().hex
doc1 = BlobDoc(BytesIO(content), blob_id)
with pytest.raises(Exception):
yield self.manager.put(doc1, len(content))
priority = yield self.manager._get_priority(blob_id)
self.assertEqual(Priority.DEFAULT, priority)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_put_sets_priority(self):
upload_failure = defer.fail(Exception())
self.manager._encrypt_and_upload = Mock(return_value=upload_failure)
content, blob_id = "Blob content", uuid4().hex
doc1 = BlobDoc(BytesIO(content), blob_id)
with pytest.raises(Exception):
yield self.manager.put(doc1, len(content), priority='urgent')
priority = yield self.manager._get_priority(blob_id)
self.assertEqual(Priority.URGENT, priority)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_set_priority_sets_priority(self):
self.manager._download_and_decrypt = Mock(return_value=None)
missing_blob_id = uuid4().hex
result = yield self.manager.get(missing_blob_id)
self.assertIsNone(result)
urgent = 'urgent'
yield self.manager._set_priority(missing_blob_id, urgent)
priority = yield self.manager._get_priority(missing_blob_id)
self.assertEqual(Priority.URGENT, priority)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_local_list_status_orders_by_priority(self):
self.manager._download_and_decrypt = Mock(return_value=None)
def _get(priority):
missing_blob_id = uuid4().hex
d = self.manager.get(missing_blob_id, priority=priority)
d.addCallback(lambda _: missing_blob_id)
return d
# get some blobs in arbitrary order
low = yield _get('low')
high = yield _get('high')
medium = yield _get('medium')
urgent = yield _get('urgent')
# make sure they are ordered by priority
status = SyncStatus.PENDING_DOWNLOAD
pending = yield self.manager.local_list_status(status)
self.assertEqual([urgent, high, medium, low], pending)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_refresh_sync_status_from_server_saves_default_priorities(self):
remote_ids = [uuid4().hex for _ in range(10)]
self.manager.remote_list = Mock(return_value=defer.succeed(remote_ids))
yield self.manager.refresh_sync_status_from_server()
for blob_id in remote_ids:
priority = yield self.manager._get_priority(blob_id)
self.assertEquals(Priority.DEFAULT, priority)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_fetch_missing_fetches_with_priority(self):
# pretend we have some pending downloads
status = SyncStatus.PENDING_DOWNLOAD
update_meth = self.manager.local.update_sync_status
priorities = [
('low', Priority.LOW),
('high', Priority.HIGH),
('medium', Priority.MEDIUM),
('urgent', Priority.URGENT),
]
deferreds = []
for blob_id, priority in priorities:
d = update_meth(blob_id, status, priority=priority)
deferreds.append(d)
yield defer.gatherResults(deferreds)
# make sure download "succeeds" so fetching works
content = 'vegan muffin'
fd = BytesIO(content)
size = len(content)
self.manager._download_and_decrypt = Mock(return_value=(fd, size))
self.manager.concurrent_transfers_limit = 1
# this is the operation we are interested in
yield self.manager.fetch_missing()
# retrieve the order in which blob transfers were made
calls = self.manager._download_and_decrypt.mock_calls
order = map(lambda c: c[1][0], calls)
self.assertEqual(['urgent', 'high', 'medium', 'low'], order)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_send_missing_sends_with_priority(self):
# pretend we have some pending uploads
_send = self.manager._send
self.manager._send = Mock(return_value=None)
content = "vegan cake"
length = len(content)
priorities = [
('low', Priority.LOW),
('high', Priority.HIGH),
('medium', Priority.MEDIUM),
('urgent', Priority.URGENT),
]
deferreds = []
for blob_id, priority in priorities:
doc = BlobDoc(BytesIO(content), blob_id)
d = self.manager.put(doc, length, priority=priority)
deferreds.append(d)
yield defer.gatherResults(deferreds)
# make sure upload "succeeds" so sending works
self.manager._send = _send
self.manager._encrypt_and_upload = Mock(return_value=None)
# this is the operation we are interested in
self.manager.concurrent_transfers_limit = 1
yield self.manager.send_missing()
# retrieve the order in which blob transfers were made
calls = self.manager._encrypt_and_upload.mock_calls
order = map(lambda c: c[1][0], calls)
self.assertEqual(['urgent', 'high', 'medium', 'low'], order)
