def does_object_exist(key: str) -> bool:
"""Tests whether or not an object key exists
Args:
key: The object key to check
Returns:
True if the object exists, False otherwise
Raises:
exceptions.StorageError on any unexpected error interacting with storage
"""
try:
return storage.does_object_exist(STORAGE_LOCATION, key)
except Exception:
raise exceptions.StorageError(
"Uncaught exception while performing storage does_object_exist")
def test_does_object_exist_returns_true_when_existing(self, mock_head):
self.assertTrue(s3.does_object_exist("loc", "key"))
def test_does_object_exist_returns_false_when_head_error(self, mock_head):
self.assertFalse(s3.does_object_exist("loc", "key"))
def test_does_object_exist_calls_with_correct_params(self, mock_head):
s3.does_object_exist("loc", "key")
mock_head.assert_called_once_with(Bucket="loc", Key="key")
