Created
August 27, 2022 03:08
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| from python_poetry_template.s3_util_class import S3Util | |
| from mock import MagicMock | |
| def test_list_objects__when_no_objects_in_bucket__should_return_empty_list(): | |
| # Arrange | |
| # Mock the s3_client with a return value on chained method calls | |
| mock_s3_client = MagicMock() | |
| mock_s3_client.get_paginator().paginate().build_full_result.return_value = {"Contents": []} | |
| # This also works: | |
| # mock_s3_client.get_paginator.return_value.paginate.return_value.build_full_result.return_value = {"Contents": []} | |
| # Act | |
| s3_util = S3Util(mock_s3_client) | |
| result = s3_util.list_objects("my-bucket") | |
| # print(f'calls: {mock_s3_client.mock_calls}') | |
| # Assert | |
| assert [] == result | |
| def test_list_objects__when_multi_obj_in_bucket__should_return_multi_obj(): | |
| # Arrange | |
| # Mock the s3_client with a return value on chained method calls | |
| mock_s3_client = MagicMock() | |
| mock_s3_client.get_paginator().paginate().build_full_result.return_value = {"Contents": [{"key": "some_key_value"}, {"key2": "some_key_value2"}]} | |
| # This also works: | |
| # mock_s3_client.get_paginator.return_value.paginate.return_value.build_full_result.return_value = {"Contents": []} | |
| # Act | |
| s3_util = S3Util(mock_s3_client) | |
| result = s3_util.list_objects("my-bucket") | |
| # Assert | |
| assert [{"key": "some_key_value"}, {"key2": "some_key_value2"}] == result |
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