def test_retry_with_fatal_error(self) -> None:
mock_bucket = create_autospec(Bucket)
mock_bucket.exists.return_value = True
# Client first raises a Gateway timeout, then on retry will raise a ValueError
self.mock_storage_client.get_bucket.side_effect = [
exceptions.GatewayTimeout("Exception"),
ValueError("This will crash"),
]
with self.assertRaises(ValueError):
self.fs.exists(
GcsfsBucketPath.from_absolute_path("gs://my-bucket"))
def test_retry(self):
mock_bucket = create_autospec(Bucket)
mock_bucket.exists.return_value = True
# Client first raises a Gateway timeout, then returns a normal bucket.
self.mock_storage_client.get_bucket.side_effect = [
exceptions.GatewayTimeout('Exception'), mock_bucket
]
# Should not crash!
self.assertTrue(
self.fs.exists(
GcsfsBucketPath.from_absolute_path('gs://my-bucket')))