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Apply impersonation_chain to deferred BigQuery existence checks #71648

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Merged
potiuk merged 2 commits into from
Oct 5, 2026
Merged

Apply impersonation_chain to deferred BigQuery existence checks #71648

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3ff65c6
Apply impersonation_chain to deferred BigQuery existence checks
SEPURI-SAI-KRISHNA Aug 15, 2026
e800da9
Move the BigQuery impersonation tests beside their sensors
SEPURI-SAI-KRISHNA Aug 18, 2026
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2 changes: 2 additions & 0 deletions providers/google/src/airflow/providers/google/cloud/sensors/bigquery.py
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Original file line number Diff line number Diff line change
Expand Up @@ -129,6 +129,7 @@ def execute(self, context: Context) -> None:
project_id=self.project_id,
poll_interval=self.poke_interval,
gcp_conn_id=self.gcp_conn_id,
impersonation_chain=self.impersonation_chain,
hook_params={
"impersonation_chain": self.impersonation_chain,
},
Expand Down Expand Up @@ -301,6 +302,7 @@ def execute(self, context: Context) -> None:
partition_id=self.partition_id,
poll_interval=self.poke_interval,
gcp_conn_id=self.gcp_conn_id,
impersonation_chain=self.impersonation_chain,
hook_params={
"impersonation_chain": self.impersonation_chain,
},
Expand Down
37 changes: 37 additions & 0 deletions providers/google/tests/unit/google/cloud/sensors/test_bigquery.py
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Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,24 @@ def test_execute_deferred(self, mock_hook):
"Trigger is not a BigQueryTableExistenceTrigger"
)

@mock.patch("airflow.providers.google.cloud.sensors.bigquery.BigQueryHook")
def test_deferred_trigger_receives_impersonation_chain(self, mock_hook):
task = BigQueryTableExistenceSensor(
task_id="check_table_exists",
project_id=TEST_PROJECT_ID,
dataset_id=TEST_DATASET_ID,
table_id=TEST_TABLE_ID,
gcp_conn_id=TEST_GCP_CONN_ID,
impersonation_chain=TEST_IMPERSONATION_CHAIN,
deferrable=True,
)
mock_hook.return_value.table_exists.return_value = False

with pytest.raises(TaskDeferred) as exc:
task.execute(mock.MagicMock())

assert exc.value.trigger.impersonation_chain == TEST_IMPERSONATION_CHAIN

def test_execute_deferred_failure(self):
"""Tests that an expected exception is raised in case of error event"""
task = BigQueryTableExistenceSensor(
Expand Down Expand Up @@ -206,6 +224,25 @@ def test_execute_with_deferrable_mode(self, mock_hook):
"Trigger is not a BigQueryTablePartitionExistenceTrigger"
)

@mock.patch("airflow.providers.google.cloud.sensors.bigquery.BigQueryHook")
def test_deferred_trigger_receives_impersonation_chain(self, mock_hook):
task = BigQueryTablePartitionExistenceSensor(
task_id="test_task_id",
project_id=TEST_PROJECT_ID,
dataset_id=TEST_DATASET_ID,
table_id=TEST_TABLE_ID,
partition_id=TEST_PARTITION_ID,
gcp_conn_id=TEST_GCP_CONN_ID,
impersonation_chain=TEST_IMPERSONATION_CHAIN,
deferrable=True,
)
mock_hook.return_value.table_partition_exists.return_value = False

with pytest.raises(TaskDeferred) as exc:
task.execute(context={})

assert exc.value.trigger.impersonation_chain == TEST_IMPERSONATION_CHAIN

def test_execute_with_deferrable_mode_execute_failure(self):
"""Tests that an AirflowException is raised in case of error event"""
task = BigQueryTablePartitionExistenceSensor(
Expand Down