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feat: add test for e501 #1306

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feat: add test for e501 #1306

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26 changes: 26 additions & 0 deletions tests/test_api.py
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Original file line number Diff line number Diff line change
Expand Up @@ -234,6 +234,32 @@ def parse_argv(argstring):
self.assertFalse(pep8style.ignore_code('F401'))
self.assertTrue(pep8style.ignore_code('F402'))

def test_max_line_length_reports_e501_for_long_line(self):
lines = [
'x' * (pycodestyle.MAX_LINE_LENGTH + 1) + '\n',
]

pep8style = pycodestyle.StyleGuide()
count_errors = pep8style.input_file('stdin', lines=lines)

stdout = sys.stdout.getvalue().splitlines()
self.assertEqual(count_errors, 1)
self.assertEqual(len(stdout), 1)
self.assertIn('E501 line too long', stdout[0])

def test_max_line_length_ignores_long_shebang(self):
# A very long shebang on the first line should be ignored by E501.
lines = [
'#!' + ' /usr/bin/env python ' + ('x' * 200) + '\n',
]

pep8style = pycodestyle.StyleGuide()
count_errors = pep8style.input_file('stdin', lines=lines)

stdout = sys.stdout.getvalue().splitlines()
self.assertEqual(count_errors, 0)
self.assertEqual(stdout, [])

def test_styleguide_excluded(self):
pep8style = pycodestyle.StyleGuide(paths=[E11])

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