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Description:

pylintpytest 1.1.8

pylint-pytest

A Pylint plugin to suppress pytest-related false positives.
Installation
Requirements:

pylint
pytest>=4.6

To install:
$ pip install pylint-pytest

Usage
Enable via command line option --load-plugins
$ pylint --load-plugins pylint_pytest <path_to_your_sources>

Or in .pylintrc:
[MASTER]
load-plugins=pylint_pytest

Suppressed Pylint Warnings
unused-argument
FP 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 True

unused-import
FP 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):
...

redefined-outer-name
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)
...

no-member
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' member

Raise new warning(s)
W6401 deprecated-pytest-yield-fixture
Raise when using deprecated @pytest.yield_fixture decorator (ref)
import pytest

@pytest.yield_fixture # <- Using a deprecated @pytest.yield_fixture decorator
def yield_fixture():
yield

W6402 useless-pytest-mark-decorator
Raise 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():
...

W6403 deprecated-positional-argument-for-pytest-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():
...

F6401 cannot-enumerate-pytest-fixtures
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 fixtures

Changelog
See CHANGELOG.
License
pylint-pytest is available under MIT license.