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33 lines
942 B
Markdown
33 lines
942 B
Markdown
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---
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title: "Tox"
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date: 2020-02-21T22:34:19-05:00
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draft: false
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tags: [ "python", "testing" ]
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---
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[Tox](https://tox.readthedocs.io/en/latest/) is a great project where you can automate your testing using virtual environments.
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First install tox
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```bash
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pip install tox
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```
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I like to write my tests in Python's native [`unittest`](https://docs.python.org/3/library/unittest.html) format. Tests should be stored in a `tests` directory.
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I then combine it with the `coverage` library to tell me how much of my code that my test cases cover. To quickly insert my personal opinion, I never aim for 100% test coverage since there's typically overhead in maintaining that.
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This all gets described in a `tox.ini` file. This file should live in the same directory as your `setup.py`
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```ini
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[tox]
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envlist =
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py38
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[testenv]
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deps = coverage
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commands =
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coverage run --source=tests,library -m unittest discover tests
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coverage report -m
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```
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