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39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
"""Tests for the FilenameOnly formatter object."""
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import optparse
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from flake8 import style_guide
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from flake8.formatting import default
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def options(**kwargs):
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"""Create an optparse.Values instance."""
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kwargs.setdefault('output_file', None)
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kwargs.setdefault('tee', False)
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return optparse.Values(kwargs)
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def test_caches_filenames_already_printed():
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"""Verify we cache filenames when we format them."""
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formatter = default.FilenameOnly(options())
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assert formatter.filenames_already_printed == set()
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formatter.format(
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style_guide.Violation('code', 'file.py', 1, 1, 'text', 'l'))
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assert formatter.filenames_already_printed == {'file.py'}
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def test_only_returns_a_string_once_from_format():
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"""Verify format ignores the second error with the same filename."""
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formatter = default.FilenameOnly(options())
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error = style_guide.Violation('code', 'file.py', 1, 1, 'text', '1')
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assert formatter.format(error) == 'file.py'
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assert formatter.format(error) is None
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def test_show_source_returns_nothing():
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"""Verify show_source returns nothing."""
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formatter = default.FilenameOnly(options())
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error = style_guide.Violation('code', 'file.py', 1, 1, 'text', '1')
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assert formatter.show_source(error) is None
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