Use DI & Upgrade Pytest #4
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gsweene2
commented
Aug 27, 2022
| @@ -11,7 +11,7 @@ mock = "^4.0.3" | |||
| pre-commit = "^2.17.0" | |||
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| [tool.poetry.dev-dependencies] | |||
| pytest = "^5.2" | |||
| pytest = "^6.2.5" | |||
| class S3Util: | ||
| def __init__(self): | ||
| self.s3_client = boto3.client("s3") | ||
| def __init__(self, s3_client): |
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DI: Inject dependencies in constructor for testability
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| @patch("python_poetry_template.s3_util_class.boto3") |
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No longer have to patch. Can create the mock directly and pass it in when instantiating the class.
| mock_boto3.client.return_value = client_mock | ||
| # 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": []} |
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Simplifying the chaining call instead of creating 3 different mocks & their individual responses.
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pytest-dev/pytest#8540