How do I mock an open used in a with statement (using the Mock framework in Python)?

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Track title: Dreaming in Puzzles

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Chapters
00:00 Question
00:22 Accepted answer (Score 156)
01:02 Answer 2 (Score 399)
02:35 Answer 3 (Score 86)
03:33 Answer 4 (Score 17)
04:11 Thank you

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Full question
https://stackoverflow.com/questions/1289...

Question links:
[unittest.mock]: https://docs.python.org/3/library/unitte...

Accepted answer links:
http://www.voidspace.org.uk/python/mock/...

Answer 2 links:
[builtins.open]: https://docs.python.org/3/library/builti...
[mock_open]: https://docs.python.org/3/library/unitte...
[mock]: https://docs.python.org/3/library/unitte...
[patch]: https://docs.python.org/3/library/unitte...
[context manager]: https://docs.python.org/3/reference/data...
[patch]: https://docs.python.org/3/library/unitte...

Answer 3 links:
[mock_open]: http://www.voidspace.org.uk/python/mock/...

Answer 4 links:
[mock_open]: https://docs.python.org/3.3/library/unit...
[already given on this page]: https://stackoverflow.com/a/19146253/552...

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Tags
#python #mocking #withstatement

#avk47