A Pylint plugin to suppress pytest-related false positives.
Requirements:
pylintpytest>=4.6
To install:
$ pip install pylint-pytestEnable via command line option --load-plugins
$ pylint --load-plugins pylint_pytest <path_to_your_sources>Or in .pylintrc:
[MASTER] load-plugins=pylint_pytestFP when a fixture is used in an applicable function but not referenced in the function body, e.g.
def test_something(conftest_fixture): # <- Unused argument 'conftest_fixture' assert TrueFP when an imported fixture is used in an applicable function, e.g.
from fixture_collections import ( imported_fixture, ) # <- Unused imported_fixture imported from fixture_collections def test_something(imported_fixture): ...FP when an imported/declared fixture is used in an applicable function, e.g.
from fixture_collections import imported_fixture def test_something( imported_fixture, ): # <- Redefining name 'imported_fixture' from outer scope (line 1) ...FP when class attributes are defined in setup fixtures
import pytest class TestClass(object): @staticmethod @pytest.fixture(scope="class", autouse=True) def setup_class(request): cls = request.cls cls.defined_in_setup_class = True def test_foo(self): assert ( self.defined_in_setup_class ) # <- Instance of 'TestClass' has no 'defined_in_setup_class' memberRaise when using deprecated @pytest.yield_fixture decorator (ref)
import pytest @pytest.yield_fixture # <- Using a deprecated @pytest.yield_fixture decorator def yield_fixture(): yieldRaise when using every @pytest.mark.* for the fixture (ref)
import pytest @pytest.fixture def awesome_fixture(): ... @pytest.fixture @pytest.mark.usefixtures( "awesome_fixture" ) # <- Using useless `@pytest.mark.*` decorator for fixtures def another_awesome_fixture(): ...Raise when using deprecated positional arguments for fixture decorator (ref)
import pytest @pytest.fixture("module") # <- Using a deprecated positional arguments for fixture def awesome_fixture(): ...Raise when the plugin cannot enumerate and collect pytest fixtures for analysis
NOTE: this warning is only added to test modules (test_*.py / *_test.py)
import no_such_package # <- pylint-pytest plugin cannot enumerate and collect pytest fixturesSee CHANGELOG.
pylint-pytest is available under MIT license.