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Add debugging utility for FileChecker

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Ian Cordasco 2017-06-01 20:06:34 -05:00
parent 68c6577564
commit feec0754bd
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2 changed files with 13 additions and 0 deletions
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4
src/flake8/checker.py
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@ -381,6 +381,10 @@ class FileChecker(object):
self.should_process = not self.processor.should_ignore_file() self.should_process = not self.processor.should_ignore_file()
self.statistics['physical lines'] = len(self.processor.lines) self.statistics['physical lines'] = len(self.processor.lines)
def __repr__(self):
"""Provide helpful debugging representation."""
return 'FileChecker for {}'.format(self.filename)
def _make_processor(self): def _make_processor(self):
try: try:
return processor.FileProcessor(self.filename, self.options) return processor.FileProcessor(self.filename, self.options)

9
tests/unit/test_file_checker.py
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@ -23,3 +23,12 @@ def test_run_ast_checks_handles_SyntaxErrors(FileProcessor):
'E999', 1, 3, 'E999', 1, 3,
'SyntaxError: Failed to build ast', 'SyntaxError: Failed to build ast',
) )
@mock.patch('flake8.checker.FileChecker._make_processor', return_value=None)
def test_repr(*args):
"""Verify we generate a correct repr."""
file_checker = checker.FileChecker(
'example.py', checks={}, options=object(),
)
assert repr(file_checker) == 'FileChecker for example.py'