[AIRFLOW-6485] BigQuery hook - add missing test for BIgQueryBaseCurso…

…r methods (#7077)

tests/gcp/hooks/test_bigquery.py

@@ -850,6 +850,155 @@ def test_get_dataset_tables_list(self, mock_get_service, mock_project_id):
 
         self.assertEqual(table_list, result)
 
+    @parameterized.expand([
+        ("US", None, True),
+        (None, None, True),
+        (
+            None,
+            HttpError(resp=type('', (object,), {"status": 500, })(), content=b'Internal Server Error'),
+            False
+        ),
+        (
+            None,
+            HttpError(resp=type('', (object,), {"status": 503, })(), content=b'Service Unavailable'),
+            False
+        ),
+    ])
+    @mock.patch(
+        'airflow.gcp.hooks.base.CloudBaseHook._get_credentials_and_project_id',
+        return_value=(CREDENTIALS, PROJECT_ID)
+    )
+    @mock.patch("airflow.gcp.hooks.bigquery.BigQueryHook.get_service")
+    def test_poll_job_complete_pass(
+        self, location, exception, expected_result, mock_get_service, mock_get_creds_and_proj_id
+    ):
+        method_jobs = mock_get_service.return_value.jobs
+        method_get = method_jobs.return_value.get
+        method_execute = method_get.return_value.execute
+        method_execute.return_value = {"status": {"state": "DONE"}}
+        method_execute.side_effect = exception
+
+        hook_params = {"location": location} if location else {}
+        bq_hook = hook.BigQueryHook(**hook_params)
+        cursor = bq_hook.get_cursor()
+
+        result = cursor.poll_job_complete(JOB_ID)
+        self.assertEqual(expected_result, result)
+        method_get.assert_called_once_with(projectId=PROJECT_ID, jobId=JOB_ID, **hook_params)
+        assert method_jobs.call_count == 1
+        assert method_get.call_count == 1
+        assert method_execute.call_count == 1
+
+    @mock.patch(
+        'airflow.gcp.hooks.base.CloudBaseHook._get_credentials_and_project_id',
+        return_value=(CREDENTIALS, PROJECT_ID)
+    )
+    @mock.patch("airflow.gcp.hooks.bigquery.BigQueryHook.get_service")
+    def test_pull_job_complete_on_fails(self, mock_get_service, mock_get_creds_and_proj_id):
+        method_jobs = mock_get_service.return_value.jobs
+        method_get = method_jobs.return_value.get
+        method_execute = method_get.return_value.execute
+        resp = type('', (object,), {"status": 404, "reason": "Not Found"})()
+        method_execute.side_effect = HttpError(resp=resp, content=b'Not Found')
+
+        bq_hook = hook.BigQueryHook()
+        cursor = bq_hook.get_cursor()
+        with self.assertRaisesRegex(AirflowException, "HttpError 404 \"Not Found\""):
+            cursor.poll_job_complete(JOB_ID)
+
+    @mock.patch(
+        'airflow.gcp.hooks.base.CloudBaseHook._get_credentials_and_project_id',
+        return_value=(CREDENTIALS, PROJECT_ID)
+    )
+    @mock.patch("airflow.gcp.hooks.bigquery.BigQueryHook.get_service")
+    @mock.patch("airflow.gcp.hooks.bigquery.BigQueryBaseCursor.poll_job_complete")
+    @mock.patch("logging.Logger.info")
+    def test_cancel_query_np_jobs_to_cancel(
+        self, mock_logger_info, poll_job_complete, mock_get_service, mock_get_creds_and_proj_id
+    ):
+        method_jobs = mock_get_service.return_value.jobs
+        poll_job_complete.return_value = True
+
+        bq_hook = hook.BigQueryHook()
+        cursor = bq_hook.get_cursor()
+        cursor.running_job_id = JOB_ID
+        cursor.cancel_query()
+        assert method_jobs.call_count == 1
+        assert poll_job_complete.call_count == 1
+        mock_logger_info.has_call(mock.call("No running BigQuery jobs to cancel."))
+
+    @mock.patch(
+        'airflow.gcp.hooks.base.CloudBaseHook._get_credentials_and_project_id',
+        return_value=(CREDENTIALS, PROJECT_ID)
+    )
+    @mock.patch("airflow.gcp.hooks.bigquery.BigQueryHook.get_service")
+    @mock.patch("airflow.gcp.hooks.bigquery.BigQueryBaseCursor.poll_job_complete")
+    @mock.patch("time.sleep")
+    @mock.patch("logging.Logger.info")
+    def test_cancel_query_np_cancel_timeout(
+        self, mock_logger_info, mock_sleep, poll_job_complete, mock_get_service, mock_get_creds_and_proj_id
+    ):
+        method_jobs = mock_get_service.return_value.jobs
+        method_jobs_cancel = method_jobs.return_value.cancel
+        poll_job_complete.side_effect = [False] * 13
+
+        bq_hook = hook.BigQueryHook()
+        cursor = bq_hook.get_cursor()
+        cursor.running_job_id = JOB_ID
+        cursor.cancel_query()
+        assert method_jobs.call_count == 1
+        assert method_jobs_cancel.call_count == 1
+        assert poll_job_complete.call_count == 13
+        assert mock_sleep.call_count == 11
+        mock_logger_info.has_call(
+            mock.call("Stopping polling due to timeout. Job with id {} "
+                      "has not completed cancel and may or may not finish.".format(JOB_ID))
+        )
+
+    @mock.patch(
+        'airflow.gcp.hooks.base.CloudBaseHook._get_credentials_and_project_id',
+        return_value=(CREDENTIALS, PROJECT_ID)
+    )
+    @mock.patch("airflow.gcp.hooks.bigquery.BigQueryHook.get_service")
+    @mock.patch("airflow.gcp.hooks.bigquery.BigQueryBaseCursor.poll_job_complete")
+    @mock.patch("time.sleep")
+    @mock.patch("logging.Logger.info")
+    def test_cancel_query_np_cancel_completed(
+        self, mock_logger_info, mock_sleep, poll_job_complete, mock_get_service, mock_get_creds_and_proj_id
+    ):
+        method_jobs = mock_get_service.return_value.jobs
+        method_jobs_cancel = method_jobs.return_value.cancel
+        poll_job_complete.side_effect = [False] * 12 + [True]
+
+        bq_hook = hook.BigQueryHook()
+        cursor = bq_hook.get_cursor()
+        cursor.running_job_id = JOB_ID
+        cursor.cancel_query()
+        assert method_jobs.call_count == 1
+        assert method_jobs_cancel.call_count == 1
+        assert poll_job_complete.call_count == 13
+        assert mock_sleep.call_count == 11
+        mock_logger_info.has_call(mock.call("Job successfully canceled: {}, {}".format(PROJECT_ID, JOB_ID)))
+
+    @mock.patch(
+        'airflow.gcp.hooks.base.CloudBaseHook._get_credentials_and_project_id',
+        return_value=(CREDENTIALS, PROJECT_ID)
+    )
+    @mock.patch("airflow.gcp.hooks.bigquery.BigQueryHook.get_service")
+    def test_get_schema(self, mock_get_service, mock_get_creds_and_proj_id):
+        schema = "SCHEMA"
+        method_get = mock_get_service.return_value.tables.return_value.get
+        method_execute = method_get.return_value.execute
+        method_execute.return_value = {"schema": schema}
+
+        bq_hook = hook.BigQueryHook()
+        cursor = bq_hook.get_cursor()
+        result = cursor.get_schema(dataset_id=DATASET_ID, table_id=TABLE_ID)
+
+        method_get.assert_called_once_with(projectId=PROJECT_ID, datasetId=DATASET_ID, tableId=TABLE_ID)
+        assert method_execute.call_count == 1
+        self.assertEqual(schema, result)
+
 
 class TestTableDataOperations(unittest.TestCase):
     @mock.patch(