pytest fixtures vs setUp(): which should I use?

Question

Our old tests use `unittest` with `setUp()`. New tests are in pytest. Should I convert everything to fixtures?

Rahul Verma · Accepted Answer

pytest runs `unittest` classes fine, so there's no rush. Write new tests with fixtures: they compose (a fixture can use other fixtures), can be scoped per test, module or session, and are reusable across files via `conftest.py`. Convert old tests when you touch them.

pytest fixtures vs setUp(): which should I use?

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