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42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
import io
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import os.path
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import pytest
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from pre_commit_hooks.end_of_file_fixer import end_of_file_fixer
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from pre_commit_hooks.end_of_file_fixer import fix_file
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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'),
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(b'', 0, b''),
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(b'\n\n', 1, b''),
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(b'\n\n\n\n', 1, b''),
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(b'foo', 1, b'foo\n'),
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(b'foo\n\n\n', 1, b'foo\n'),
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(b'\xe2\x98\x83', 1, b'\xe2\x98\x83\n'),
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)
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@pytest.mark.parametrize(('input_s', 'expected_retval', 'output'), TESTS)
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def test_fix_file(input_s, expected_retval, output):
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file_obj = io.BytesIO()
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file_obj.write(input_s)
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ret = fix_file(file_obj)
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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'), TESTS)
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def test_integration(input_s, expected_retval, output, tmpdir):
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file_path = os.path.join(tmpdir.strpath, 'file.txt')
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with open(file_path, 'wb') as file_obj:
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file_obj.write(input_s)
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ret = end_of_file_fixer([file_path])
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file_output = open(file_path, 'rb').read()
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assert file_output == output
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assert ret == expected_retval
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