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https://github.com/pre-commit/pre-commit-hooks.git
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107 lines
3.4 KiB
Python
107 lines
3.4 KiB
Python
import pytest
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from pre_commit_hooks.mixed_line_ending import mixed_line_ending
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# Input, expected return value, expected output
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TESTS_FIX_AUTO = (
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# only 'LF'
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(b'foo\nbar\nbaz\n', 0, b'foo\nbar\nbaz\n'),
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# only 'CRLF'
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(b'foo\r\nbar\r\nbaz\r\n', 0, b'foo\r\nbar\r\nbaz\r\n'),
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# mixed with majority of 'LF'
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(b'foo\r\nbar\nbaz\n', 1, b'foo\nbar\nbaz\n'),
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# mixed with majority of 'CRLF'
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(b'foo\r\nbar\nbaz\r\n', 1, b'foo\r\nbar\r\nbaz\r\n'),
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# mixed with as much 'LF' as 'CRLF'
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(b'foo\r\nbar\nbaz', 1, b'foo\r\nbar\nbaz'),
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)
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@pytest.mark.parametrize(('input_s', 'expected_retval', 'output'),
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TESTS_FIX_AUTO)
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def test_mixed_line_ending_fix_auto(input_s, expected_retval, output, tmpdir):
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path = tmpdir.join('file.txt')
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path.write(input_s)
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ret = mixed_line_ending(('--fix=auto', '-vv', path.strpath))
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assert ret == expected_retval
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assert path.read_binary() == output
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# Input, expected return value, expected output
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TESTS_NO_FIX = (
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# only 'LF'
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(b'foo\nbar\nbaz\n', 0, b'foo\nbar\nbaz\n'),
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# only 'CRLF'
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(b'foo\r\nbar\r\nbaz\r\n', 0, b'foo\r\nbar\r\nbaz\r\n'),
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# mixed with majority of 'LF'
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(b'foo\r\nbar\nbaz\n', 1, b'foo\r\nbar\nbaz\n'),
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# mixed with majority of 'CRLF'
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(b'foo\r\nbar\nbaz\r\n', 1, b'foo\r\nbar\nbaz\r\n'),
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)
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@pytest.mark.parametrize(('input_s', 'expected_retval', 'output'),
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TESTS_NO_FIX)
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def test_detect_mixed_line_ending(input_s, expected_retval, output, tmpdir):
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path = tmpdir.join('file.txt')
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path.write(input_s)
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ret = mixed_line_ending(('--fix=no', '-vv', path.strpath))
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assert ret == expected_retval
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assert path.read_binary() == output
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# Input, expected return value, expected output
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TESTS_FIX_FORCE_LF = (
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# only 'LF'
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(b'foo\nbar\nbaz\n', 1, b'foo\nbar\nbaz\n'),
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# only 'CRLF'
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(b'foo\r\nbar\r\nbaz\r\n', 1, b'foo\nbar\nbaz\n'),
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# mixed with majority of 'LF'
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(b'foo\r\nbar\nbaz\n', 1, b'foo\nbar\nbaz\n'),
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# mixed with majority of 'CRLF'
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(b'foo\r\nbar\nbaz\r\n', 1, b'foo\nbar\nbaz\n'),
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)
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@pytest.mark.parametrize(('input_s', 'expected_retval', 'output'),
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TESTS_FIX_FORCE_LF)
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def test_mixed_line_ending_fix_force_lf(input_s, expected_retval, output,
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tmpdir):
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path = tmpdir.join('file.txt')
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path.write(input_s)
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ret = mixed_line_ending(('--fix=lf', '-vv', path.strpath))
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assert ret == expected_retval
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assert path.read_binary() == output
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# Input, expected return value, expected output
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TESTS_FIX_FORCE_CRLF = (
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# only 'LF'
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(b'foo\nbar\nbaz\n', 1, b'foo\r\nbar\r\nbaz\r\n'),
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# only 'CRLF'
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(b'foo\r\nbar\r\nbaz\r\n', 1, b'foo\r\nbar\r\nbaz\r\n'),
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# mixed with majority of 'LF'
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(b'foo\r\nbar\nbaz\n', 1, b'foo\r\nbar\r\nbaz\r\n'),
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# mixed with majority of 'CRLF'
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(b'foo\r\nbar\nbaz\r\n', 1, b'foo\r\nbar\r\nbaz\r\n'),
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)
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@pytest.mark.parametrize(('input_s', 'expected_retval', 'output'),
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TESTS_FIX_FORCE_CRLF)
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def test_mixed_line_ending_fix_force_crlf(input_s, expected_retval, output,
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tmpdir):
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path = tmpdir.join('file.txt')
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path.write(input_s)
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ret = mixed_line_ending(('--fix=crlf', '-vv', path.strpath))
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assert ret == expected_retval
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assert path.read_binary() == output
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def test_check_filenames():
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with pytest.raises(IOError):
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mixed_line_ending(['/dev/null'])
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