{"action":"created","comment":{"url":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/pulls/comments/49786638","id":49786638,"diff_hunk":"@@ -41,18 +44,22 @@ class Config(object):\n     CLIENT = None\n \n \n+def clone_client(client):\n+    # Fool the Client constructor to avoid creating a new connection.\n+    cloned_client = datastore.Client(project=client.project,\n+                                     namespace=client.namespace,\n+                                     http=object())\n+    cloned_client.connection = client.connection\n+    return cloned_client\n+\n+\n def setUpModule():\n     if EMULATOR_DATASET is None:\n-        client.DATASET = TESTS_DATASET\n-        Config.CLIENT = datastore.Client()\n+        client_mod.DATASET = TESTS_DATASET\n+        Config.CLIENT = datastore.Client(namespace=TEST_NAMESPACE)\n     else:\n-        Config.CLIENT = datastore.Client(project=EMULATOR_DATASET)\n-        populate_datastore.add_characters(client=Config.CLIENT)\n-\n-\n-def tearDownModule():\n-    if EMULATOR_DATASET is not None:\n-        clear_datastore.remove_all_entities(client=Config.CLIENT)\n+        Config.CLIENT = datastore.Client(project=EMULATOR_DATASET,\n+                                         namespace=TEST_NAMESPACE)","path":"system_tests/datastore.py","position":52,"original_position":52,"commit_id":"6d85a03416a49157735d9d556fe953db2070eb4d","original_commit_id":"6d85a03416a49157735d9d556fe953db2070eb4d","user":{"login":"tseaver","id":242750,"avatar_url":"https://avatars.githubusercontent.com/u/242750?v=3","gravatar_id":"","url":"https://api.github.com/users/tseaver","html_url":"https://github.com/tseaver","followers_url":"https://api.github.com/users/tseaver/followers","following_url":"https://api.github.com/users/tseaver/following{/other_user}","gists_url":"https://api.github.com/users/tseaver/gists{/gist_id}","starred_url":"https://api.github.com/users/tseaver/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tseaver/subscriptions","organizations_url":"https://api.github.com/users/tseaver/orgs","repos_url":"https://api.github.com/users/tseaver/repos","events_url":"https://api.github.com/users/tseaver/events{/privacy}","received_events_url":"https://api.github.com/users/tseaver/received_events","type":"User","site_admin":false},"body":"I can see that now.  I guess I mis-read the diff:  the lack of parallelism between the two clauses might be what threw me.\r\n\r\nLGTM","created_at":"2016-01-14T21:18:28Z","updated_at":"2016-01-14T21:18:28Z","html_url":"https://github.com/GoogleCloudPlatform/gcloud-python/pull/1370#discussion_r49786638","pull_request_url":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/pulls/1370","_links":{"self":{"href":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/pulls/comments/49786638"},"html":{"href":"https://github.com/GoogleCloudPlatform/gcloud-python/pull/1370#discussion_r49786638"},"pull_request":{"href":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/pulls/1370"}}},"pull_request":{"url":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/pulls/1370","id":55511422,"html_url":"https://github.com/GoogleCloudPlatform/gcloud-python/pull/1370","diff_url":"https://github.com/GoogleCloudPlatform/gcloud-python/pull/1370.diff","patch_url":"https://github.com/GoogleCloudPlatform/gcloud-python/pull/1370.patch","issue_url":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/issues/1370","number":1370,"state":"open","locked":false,"title":"Updating datastore system test to allow concurrent runs.","user":{"login":"dhermes","id":520669,"avatar_url":"https://avatars.githubusercontent.com/u/520669?v=3","gravatar_id":"","url":"https://api.github.com/users/dhermes","html_url":"https://github.com/dhermes","followers_url":"https://api.github.com/users/dhermes/followers","following_url":"https://api.github.com/users/dhermes/following{/other_user}","gists_url":"https://api.github.com/users/dhermes/gists{/gist_id}","starred_url":"https://api.github.com/users/dhermes/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dhermes/subscriptions","organizations_url":"https://api.github.com/users/dhermes/orgs","repos_url":"https://api.github.com/users/dhermes/repos","events_url":"https://api.github.com/users/dhermes/events{/privacy}","received_events_url":"https://api.github.com/users/dhermes/received_events","type":"User","site_admin":false},"body":"Using a namespace for any key which is changed (inserted/deleted) so that concurrent tests don't operate on the same data. The one exception is `TestDatastoreQuery` which depends on entities which need to be already stored and indexed before running. For this test case, a new client is created without any namespace.\r\n\r\n**NOTE**: Has #1369 as diffbase.\r\n\r\nInspired by #1363.","created_at":"2016-01-08T21:15:06Z","updated_at":"2016-01-14T21:18:28Z","closed_at":null,"merged_at":null,"merge_commit_sha":"1c6286d0505259b4488585a36d2c049fa2da6b1a","assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/pulls/1370/commits","review_comments_url":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/pulls/1370/comments","review_comment_url":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/pulls/comments{/number}","comments_url":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/issues/1370/comments","statuses_url":"https://api.github.com/repos/GoogleCloudPlatform/gcloud-python/statuses/6d85a03416a49157735d9d556fe953db2070eb4d","head":{"label":"dhermes:ds-system-test-namespace","ref":"ds-system-test-namespace","sha":"6d85a03416a49157735d9d556fe953db2070eb4d","user":{"login":"dhermes","id":520669,"avatar_url":"https://avatars.githubusercontent.com/u/520669?v=3","gravatar_id":"","url":"https://api.github.com/users/dhermes","html_url":"https://github.com/dhermes","followers_url":"https://api.github.com/users/dhermes/followers","following_url":"https://api.github.com/users/dhermes/following{/other_user}","gists_url":"https://api.github.com/users/dhermes/gists{/gist_id}","starred_url":"https://api.github.com/users/dhermes/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dhermes/subscriptions","organizations_url":"https://api.github.com/users/dhermes/orgs","repos_url":"https://api.github.com/users/dhermes/repos","events_url":"https://api.github.com/users/dhermes/events{/privacy}","received_events_url":"https://api.github.com/users/dhermes/received_events","type":"User","site_admin":false},"repo":{"id":23001795,"name":"gcloud-python","full_name":"dhermes/gcloud-python","owner":{"login":"dhermes","id":520669,"avatar_url":"https://avatars.githubusercontent.com/u/520669?v=3","gravatar_id":"","url":"https://api.github.com/users/dhermes","html_url":"https://github.com/dhermes","followers_url":"https://api.github.com/users/dhermes/followers","following_url":"https://api.github.com/users/dhermes/following{/other_user}","gists_url":"https://api.github.com/users/dhermes/gists{/gist_id}","starred_url":"https://api.github.com/users/dhermes/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dhermes/subscriptions","organizations_url":"https://api.github.com/users/dhermes/orgs","repos_url":"https://api.github.com/users/dhermes/repos","events_url":"https://api.github.com/users/dhermes/events{/privacy}","received_events_url":"https://api.github.com/users/dhermes/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/dhermes/gcloud-python","description":"Google 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