pre-commit/pre-commit-hooks
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file-contents-sorter should add newline at end of files missing newlines

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Make an explicit 'else' path for readability
This commit is contained in:
Daniel Gallagher 2017-06-25 19:51:50 -07:00
parent 5dd1819e8b
commit 7102e0c8a3
2 changed files with 14 additions and 13 deletions
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11
pre_commit_hooks/file_contents_sorter.py
View file

@ -18,14 +18,15 @@ FAIL = 1
def sort_file_contents(f): def sort_file_contents(f):
before = [line.strip(b'\n\r') for line in f if line.strip()] before = list(f)
after = sorted(before) after = sorted([line.strip(b'\n\r') for line in before if line.strip()])
if before == after:
return PASS
before_string = b''.join(before)
after_string = b'\n'.join(after) + b'\n' after_string = b'\n'.join(after) + b'\n'
if before_string == after_string:
return PASS
else:
f.seek(0) f.seek(0)
f.write(after_string) f.write(after_string)
f.truncate() f.truncate()

8
tests/file_contents_sorter_test.py
View file

@ -8,18 +8,18 @@ from pre_commit_hooks.file_contents_sorter import PASS
@pytest.mark.parametrize( @pytest.mark.parametrize(
('input_s', 'expected_retval', 'output'), ('input_s', 'expected_retval', 'output'),
( (
(b'', PASS, b''), (b'', FAIL, b'\n'),
(b'lonesome\n', PASS, b'lonesome\n'), (b'lonesome\n', PASS, b'lonesome\n'),
(b'missing_newline', PASS, b'missing_newline'), (b'missing_newline', FAIL, b'missing_newline\n'),
(b'newline\nmissing', FAIL, b'missing\nnewline\n'), (b'newline\nmissing', FAIL, b'missing\nnewline\n'),
(b'missing\nnewline', PASS, b'missing\nnewline'), (b'missing\nnewline', FAIL, b'missing\nnewline\n'),
(b'alpha\nbeta\n', PASS, b'alpha\nbeta\n'), (b'alpha\nbeta\n', PASS, b'alpha\nbeta\n'),
(b'beta\nalpha\n', FAIL, b'alpha\nbeta\n'), (b'beta\nalpha\n', FAIL, b'alpha\nbeta\n'),
(b'C\nc\n', PASS, b'C\nc\n'), (b'C\nc\n', PASS, b'C\nc\n'),
(b'c\nC\n', FAIL, b'C\nc\n'), (b'c\nC\n', FAIL, b'C\nc\n'),
(b'mag ical \n tre vor\n', FAIL, b' tre vor\nmag ical \n'), (b'mag ical \n tre vor\n', FAIL, b' tre vor\nmag ical \n'),
(b'@\n-\n_\n#\n', FAIL, b'#\n-\n@\n_\n'), (b'@\n-\n_\n#\n', FAIL, b'#\n-\n@\n_\n'),
(b'extra\n\n\nwhitespace\n', PASS, b'extra\n\n\nwhitespace\n'), (b'extra\n\n\nwhitespace\n', FAIL, b'extra\nwhitespace\n'),
(b'whitespace\n\n\nextra\n', FAIL, b'extra\nwhitespace\n'), (b'whitespace\n\n\nextra\n', FAIL, b'extra\nwhitespace\n'),
) )
) )