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92a037684f
I guess that if you don't have something python2 compliant to say. might as well say nothing at all Also fix linter errors
64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
"""Unit tests for the FileChecker class."""
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import mock
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import pytest
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import flake8
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from flake8 import checker
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@mock.patch('flake8.processor.FileProcessor')
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def test_run_ast_checks_handles_SyntaxErrors(FileProcessor): # noqa: N802,N803
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"""Stress our SyntaxError handling.
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Related to: https://gitlab.com/pycqa/flake8/issues/237
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"""
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processor = mock.Mock(lines=[])
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FileProcessor.return_value = processor
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processor.build_ast.side_effect = SyntaxError('Failed to build ast',
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('', 1, 5, 'foo(\n'))
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file_checker = checker.FileChecker(__file__, checks={}, options=object())
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with mock.patch.object(file_checker, 'report') as report:
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file_checker.run_ast_checks()
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report.assert_called_once_with(
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'E999', 1, 3,
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'SyntaxError: Failed to build ast',
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)
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@mock.patch('flake8.checker.FileChecker._make_processor', return_value=None)
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def test_repr(*args):
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"""Verify we generate a correct repr."""
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file_checker = checker.FileChecker(
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'example.py', checks={}, options=object(),
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)
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assert repr(file_checker) == 'FileChecker for example.py'
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def test_nonexistent_file():
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"""Verify that checking non-existent file results in an error."""
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c = checker.FileChecker("foobar.py", checks={}, options=object())
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assert c.processor is None
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assert not c.should_process
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assert len(c.results) == 1
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error = c.results[0]
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assert error[0] == "E902"
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def test_raises_exception_on_failed_plugin(tmp_path, default_options):
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"""Checks that a failing plugin results in PluginExecutionFailed."""
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foobar = tmp_path / 'foobar.py'
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foobar.write_text(u"I exist!") # Create temp file
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plugin = {
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"name": "failure",
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"plugin_name": "failure", # Both are necessary
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"parameters": dict(),
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"plugin": mock.MagicMock(side_effect=ValueError),
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}
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"""Verify a failing plugin results in an plugin error"""
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fchecker = checker.FileChecker(
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str(foobar), checks=[], options=default_options)
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with pytest.raises(flake8.exceptions.PluginExecutionFailed):
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fchecker.run_check(plugin)
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