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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
"""Tests for the functional test framework."""
from pathlib import Path
from unittest.mock import MagicMock
import pytest
from _pytest.outcomes import Skipped
from pylint import testutils
from pylint.testutils.functional import (
FunctionalTestFile,
get_functional_test_files_from_directory,
)
HERE = Path(__file__).parent
DATA_DIRECTORY = HERE / "data"
@pytest.fixture(name="pytest_config")
def pytest_config_fixture() -> MagicMock:
def _mock_getoption(option: str) -> bool:
if option == "minimal_messages_config":
return True
return False
config = MagicMock()
config.getoption.side_effect = _mock_getoption
return config
def test_parsing_of_pylintrc_init_hook() -> None:
"""Test that we correctly parse an init-hook in a settings file."""
with pytest.raises(RuntimeError):
test_file = FunctionalTestFile(str(DATA_DIRECTORY), "init_hook.py")
testutils.LintModuleTest(test_file)
def test_get_functional_test_files_from_directory() -> None:
"""Test that we correctly check the functional test directory structures."""
with pytest.raises(AssertionError, match="using_dir.py should not go in"):
get_functional_test_files_from_directory(DATA_DIRECTORY)
def test_minimal_messages_config_enabled(pytest_config: MagicMock) -> None:
"""Test that all messages not targeted in the functional test are disabled
when running with --minimal-messages-config.
"""
test_file = FunctionalTestFile(
str(DATA_DIRECTORY / "m"), "minimal_messages_config.py"
)
mod_test = testutils.LintModuleTest(test_file, pytest_config)
assert all(
mod_test._linter.is_message_enabled(msgid)
for msgid in (
"consider-using-with",
"unspecified-encoding",
"consider-using-f-string",
# Always enable fatal errors: important not to have false negatives
"astroid-error",
"fatal",
"syntax-error",
)
)
assert not mod_test._linter.is_message_enabled("unused-import")
def test_minimal_messages_config_excluded_file(pytest_config: MagicMock) -> None:
"""Test that functional test files can be excluded from the run with
--minimal-messages-config if they set the exclude_from_minimal_messages_config
option in their rcfile.
"""
test_file = FunctionalTestFile(
str(DATA_DIRECTORY / "m"), "minimal_messages_excluded.py"
)
mod_test = testutils.LintModuleTest(test_file, pytest_config)
with pytest.raises(Skipped):
mod_test.setUp()
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