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import csv
import os
import pickle
import sys
from pathlib import Path
import pylint
import pytest
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "pylint_django.tests.settings")
HERE = Path(__file__).parent
try:
# pylint 2.5: test_functional has been moved to pylint.testutils
from pylint.testutils import FunctionalTestFile, LintModuleTest, lint_module_test
if "test" not in csv.list_dialects():
class test_dialect(csv.excel):
delimiter = ":"
lineterminator = "\n"
csv.register_dialect("test", test_dialect)
lint_module_test.PYLINTRC = HERE / "testing_pylint.rc"
except (ImportError, AttributeError):
# specify directly the directory containing test_functional.py
test_functional_dir = os.getenv("PYLINT_TEST_FUNCTIONAL_DIR", "")
# otherwise look for in in ~/pylint/tests - pylint 2.4
# this is the pylint git checkout dir, not the pylint module dir
if not os.path.isdir(test_functional_dir):
test_functional_dir = os.path.join(os.getenv("HOME", "/home/travis"), "pylint", "tests")
# or site-packages/pylint/test/ - pylint before 2.4
if not os.path.isdir(test_functional_dir):
test_functional_dir = os.path.join(os.path.dirname(pylint.__file__), "test")
sys.path.append(test_functional_dir)
from test_functional import FunctionalTestFile, LintModuleTest
sys.path += [str(p.absolute()) for p in (HERE, HERE / "../../", HERE / "input")]
class PylintDjangoLintModuleTest(LintModuleTest):
"""
Only used so that we can load this plugin into the linter!
"""
def __init__(self, test_file):
# if hasattr(test_file, 'option_file') and test_file.option_file is None:
super(PylintDjangoLintModuleTest, self).__init__(test_file)
self._linter.load_plugin_modules(["pylint_django"])
self._linter.load_plugin_configuration()
class PylintDjangoMigrationsTest(PylintDjangoLintModuleTest):
"""
Only used so that we can load
pylint_django.checkers.migrations into the linter!
"""
def __init__(self, test_file):
super().__init__(test_file)
self._linter.load_plugin_modules(["pylint_django.checkers.migrations"])
self._linter.load_plugin_configuration()
def get_tests(input_dir="input", sort=False):
def _file_name(test):
return test.base
input_dir = HERE / input_dir
suite = []
for fname in input_dir.iterdir():
if fname.name != "__init__.py" and fname.name.endswith(".py"):
suite.append(FunctionalTestFile(str(input_dir.absolute()), str(fname.absolute())))
# when testing the migrations plugin we need to sort by input file name
# because the plugin reports the errors in close() which appends them to the
# report for the last file in the list
if sort:
suite.sort(key=_file_name)
return suite
TESTS = get_tests()
TESTS.extend(get_tests("input/models"))
TESTS_NAMES = [t.base for t in TESTS]
@pytest.mark.parametrize("test_file", TESTS, ids=TESTS_NAMES)
def test_everything(test_file):
# copied from pylint.tests.test_functional.test_functional
LintTest = PylintDjangoLintModuleTest(test_file)
LintTest.setUp()
LintTest._runTest()
# NOTE: define tests for the migrations checker!
MIGRATIONS_TESTS = get_tests("input/migrations", True)
MIGRATIONS_TESTS_NAMES = [t.base for t in MIGRATIONS_TESTS]
@pytest.mark.parametrize("test_file", MIGRATIONS_TESTS, ids=MIGRATIONS_TESTS_NAMES)
def test_migrations_plugin(test_file):
LintTest = PylintDjangoMigrationsTest(test_file)
LintTest.setUp()
LintTest._runTest()
@pytest.mark.parametrize("test_file", MIGRATIONS_TESTS[:1], ids=MIGRATIONS_TESTS_NAMES[:1])
def test_linter_should_be_pickleable_with_pylint_django_plugin_installed(test_file):
LintTest = PylintDjangoMigrationsTest(test_file)
LintTest.setUp()
# LintModuleTest sets reporter to instance of FunctionalTestReporter that is not picklable
LintTest._linter.reporter = None
pickle.dumps(LintTest._linter)
if __name__ == "__main__":
sys.exit(pytest.main(sys.argv))
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