pytest-cov quiz

Test your pytest-cov knowledge with a free interactive quiz — 22 questions with answers and explanations. No signup needed to play.

What does setting `branch = True` in a `.coveragerc`'s `[run]` section change about the coverage report?

1. What does setting `branch = True` in a `.coveragerc`'s `[run]` section change about the coverage report?
2. What does `--cov-fail-under=N` do?
3. What is the effect of adding `# pragma: no cover` as a comment on a line or block?
4. What does `--cov-append` do?
5. How can pytest-cov be used to identify specific untested lines in a file?
6. What does it mean if `--cov-report=term-missing` shows a file at 0% coverage?
7. What is the purpose of installing pytest-cov, given that coverage.py could be run standalone via `coverage run -m pytest`?
8. What is the relationship between pytest-cov and coverage.py?
9. What is a `.coveragerc` (or `[tool.coverage.run]` in `pyproject.toml`) file used for?
10. What does "line coverage" measure?
11. What is the basic command to run tests with coverage reporting via pytest-cov?
12. If a project's coverage percentage suddenly drops after a pull request, what is the most direct way to see exactly what caused it using pytest-cov's output?

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