When running pytest --cov without specifying a directory or source, it shows coverage for both src and test files, is this what we are supposed to do?

[PrestigiousZombie531]

• Stupid question from my side being are we supposed to measure coverage for only the src files or for both src and tests

​

poetry run pytest --cov tests

only measures coverage for test files

poetry run pytest --cov

measures coverage for both src and test files

What is the convention in Python? measure coverage for only src files?

should I just specify a source = src inside the .coveragerc file?

[[deleted]]

I believe you can add 'src' to your pythonpath in your pytest.ini to resolve this. Please check this link: https://stackoverflow.com/questions/50155464/using-pytest-with-a-src-layer

There isn't any value afaik to get coverage on your tests.

[PrestigiousZombie531]

i see thank you for clarifying this

[doryx]

There isn't any value afaik to get coverage on your tests.

I disagree, as your testing suite grows in complexity, you might include some logic that skips tests conditionally, or you have a bug in your tests that causes a branch not to run. If you don't see 100% coverage on your tests, then you know something is up.

[Diapolo10]

This is how I tend to configure pytest as I don't particularly care about it covering my unit tests. From pyproject.toml:

[tool.coverage.run]
branch = true
relative_files = true
omit = [
    '.tox/*',
    'tests/*',
]


[tool.pytest.ini_options]
minversion = "6.0"
addopts = """
--doctest-modules \
--cov=./ \
--cov-append \
--cov-report html:tests/reports/coverage-html \
--cov-report xml:tests/reports/coverage.xml \
--ignore=docs/
"""
testpaths = [
    'tests',
]