flake8/tests/unit/test_file_checker.py
2017-06-01 20:06:34 -05:00

34 lines
1.1 KiB
Python

"""Unit tests for the FileChecker class."""
import mock
from flake8 import checker
@mock.patch('flake8.processor.FileProcessor')
def test_run_ast_checks_handles_SyntaxErrors(FileProcessor):
"""Stress our SyntaxError handling.
Related to: https://gitlab.com/pycqa/flake8/issues/237
"""
processor = mock.Mock(lines=[])
FileProcessor.return_value = processor
processor.build_ast.side_effect = SyntaxError('Failed to build ast',
('', 1, 5, 'foo(\n'))
file_checker = checker.FileChecker(__file__, checks={}, options=object())
with mock.patch.object(file_checker, 'report') as report:
file_checker.run_ast_checks()
report.assert_called_once_with(
'E999', 1, 3,
'SyntaxError: Failed to build ast',
)
@mock.patch('flake8.checker.FileChecker._make_processor', return_value=None)
def test_repr(*args):
"""Verify we generate a correct repr."""
file_checker = checker.FileChecker(
'example.py', checks={}, options=object(),
)
assert repr(file_checker) == 'FileChecker for example.py'