mirror of
https://github.com/pre-commit/pre-commit-hooks.git
synced 2026-04-05 11:36:54 +00:00
66 lines
2 KiB
Python
66 lines
2 KiB
Python
from __future__ import annotations
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import io
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import pytest
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from pre_commit_hooks.end_of_file_fixer import fix_file
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from pre_commit_hooks.end_of_file_fixer import main
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# Input, expected return value, expected output
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TESTS = (
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(b'foo\n', 0, b'foo\n', None),
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(b'', 0, b'', None),
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(b'\n\n', 1, b'', None),
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(b'\n\n\n\n', 1, b'', None),
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(b'foo', 1, b'foo\n', None),
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(b'foo\n\n\n', 1, b'foo\n', None),
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(b'\xe2\x98\x83', 1, b'\xe2\x98\x83\n', None),
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(b'foo\r\n', 0, b'foo\r\n', None),
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(b'foo\r\n\r\n\r\n', 1, b'foo\r\n', None),
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(b'foo\r', 0, b'foo\r', None),
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(b'foo\r\r\r\r', 1, b'foo\r', None),
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(b'foo\n', 0, b'foo\n', '--check'),
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(b'', 0, b'', '--check'),
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(b'\n\n', 1, b'\n\n', '--check'),
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(b'\n\n\n\n', 1, b'\n\n\n\n', '--check'),
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(b'foo', 1, b'foo', '--check'),
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(b'foo\n\n\n', 1, b'foo\n\n\n', '--check'),
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(b'\xe2\x98\x83', 1, b'\xe2\x98\x83', '--check'),
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(b'foo\r\n', 0, b'foo\r\n', '--check'),
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(b'foo\r\n\r\n\r\n', 1, b'foo\r\n\r\n\r\n', '--check'),
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(b'foo\r', 0, b'foo\r', '--check'),
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(b'foo\r\r\r\r', 1, b'foo\r\r\r\r', '--check'),
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)
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@pytest.mark.parametrize(('input_s', 'expected_retval', 'output', 'options'), TESTS)
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def test_fix_file(input_s, expected_retval, output, options):
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if options is None:
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options = []
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elif isinstance(options, str):
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options = [options]
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file_obj = io.BytesIO(input_s)
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ret = fix_file(file_obj, "--check" in [*options])
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assert file_obj.getvalue() == output
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assert ret == expected_retval
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@pytest.mark.parametrize(('input_s', 'expected_retval', 'output', 'options'), TESTS)
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def test_integration(input_s, expected_retval, output, options, tmpdir):
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path = tmpdir.join('file.txt')
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path.write_binary(input_s)
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if options is None:
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options = []
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elif isinstance(options, str):
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options = [options]
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ret = main([*options, str(path)])
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file_output = path.read_binary()
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assert file_output == output
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assert ret == expected_retval
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