def testStronglyConsistentCommits(self):
created_by = users.User('*****@*****.**')
# Microversions use FinalizeAssociatedPaths so the Commit() path should use
# the always strongly-consistent GetFiles(), rather than a query. Verify
# this behavior by simulating a never-consistent HR datastore.
policy = datastore_stub_util.PseudoRandomHRConsistencyPolicy(probability=0)
self.testbed.init_datastore_v3_stub(consistency_policy=policy)
final_changeset = microversions._CommitMicroversion(
created_by=created_by, write=True, path='/foo', content='foo')
self.assertEqual(2, final_changeset.num)
file_obj = files.Get('/foo', changeset=final_changeset.linked_changeset)
self.assertEqual('foo', file_obj.content)
def testCommitMicroversion(self):
created_by = users.User('*****@*****.**')
# Write.
final_changeset = microversions._CommitMicroversion(
created_by=created_by, write=True, path='/foo', content='foo')
self.assertEqual(2, final_changeset.num)
file_obj = files.Get('/foo', changeset=final_changeset.linked_changeset)
self.assertEqual('foo', file_obj.content)
# Verify the final changeset's created_by.
self.assertEqual('*****@*****.**', str(final_changeset.created_by))
# Write with an existing root file (which should be copied to the version).
files.Write('/foo', 'new foo', disabled_services=True)
final_changeset = microversions._CommitMicroversion(
created_by=created_by, write=True, path='/foo', meta={'color': 'blue'})
self.assertEqual(4, final_changeset.num)
file_obj = files.Get('/foo', changeset=final_changeset.linked_changeset)
self.assertEqual('new foo', file_obj.content)
self.assertEqual('blue', file_obj.color)
# Touch.
final_changeset = microversions._CommitMicroversion(
created_by=created_by, touch=True, paths='/foo')
self.assertEqual(6, final_changeset.num)
file_obj = files.Get('/foo', changeset=final_changeset.linked_changeset)
self.assertEqual('new foo', file_obj.content)
# Delete. In the real code path, the delete of the root file will often
# complete before the task is started, so we delete /foo to verify that
# deletes don't rely on presence of the root file.
files.Delete('/foo', disabled_services=True)
final_changeset = microversions._CommitMicroversion(
created_by=created_by, delete=True, paths='/foo')
self.assertEqual(8, final_changeset.num)
file_obj = files.Get('/foo', changeset=final_changeset.linked_changeset)
self.assertEqual('', file_obj.content)
# Check file versions.
file_versions = self.vcs.GetFileVersions('/foo')
self.assertEqual(8, file_versions[0].changeset.num)
self.assertEqual(6, file_versions[1].changeset.num)
self.assertEqual(4, file_versions[2].changeset.num)
self.assertEqual(2, file_versions[3].changeset.num)
self.assertEqual(versions.FILE_DELETED, file_versions[0].status)
self.assertEqual(versions.FILE_EDITED, file_versions[1].status)
self.assertEqual(versions.FILE_EDITED, file_versions[2].status)
self.assertEqual(versions.FILE_CREATED, file_versions[3].status)
# Touch multi.
final_changeset = microversions._CommitMicroversion(
created_by=created_by, touch=True, paths=['/foo', '/bar'])
self.assertEqual(10, final_changeset.num)
file_objs = files.Get(['/foo', '/bar'],
changeset=final_changeset.linked_changeset)
self.assertEqual(2, len(file_objs))
# Delete multi.
final_changeset = microversions._CommitMicroversion(
created_by=created_by, delete=True, paths=['/foo', '/bar'])
self.assertEqual(12, final_changeset.num)
file_objs = files.Get(['/foo', '/bar'],
changeset=final_changeset.linked_changeset)
self.assertEqual(versions.FILE_DELETED, file_objs['/foo'].status)
self.assertEqual(versions.FILE_DELETED, file_objs['/bar'].status)