mirror of
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73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
import ast
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import textwrap
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import unittest
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from pyflakes import checker
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__all__ = ['TestCase', 'skip', 'skipIf']
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skip = unittest.skip
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skipIf = unittest.skipIf
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class TestCase(unittest.TestCase):
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withDoctest = False
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def flakes(self, input, *expectedOutputs, **kw):
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tree = ast.parse(textwrap.dedent(input))
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file_tokens = checker.make_tokens(textwrap.dedent(input))
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if kw.get('is_segment'):
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tree = tree.body[0]
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kw.pop('is_segment')
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w = checker.Checker(
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tree, file_tokens=file_tokens, withDoctest=self.withDoctest, **kw
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)
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outputs = [type(o) for o in w.messages]
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expectedOutputs = list(expectedOutputs)
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outputs.sort(key=lambda t: t.__name__)
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expectedOutputs.sort(key=lambda t: t.__name__)
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self.assertEqual(outputs, expectedOutputs, '''\
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for input:
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%s
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expected outputs:
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%r
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but got:
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%s''' % (input, expectedOutputs, '\n'.join([str(o) for o in w.messages])))
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return w
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if not hasattr(unittest.TestCase, 'assertIs'):
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def assertIs(self, expr1, expr2, msg=None):
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if expr1 is not expr2:
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self.fail(msg or '%r is not %r' % (expr1, expr2))
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if not hasattr(unittest.TestCase, 'assertIsInstance'):
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def assertIsInstance(self, obj, cls, msg=None):
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"""Same as self.assertTrue(isinstance(obj, cls))."""
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if not isinstance(obj, cls):
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self.fail(msg or '%r is not an instance of %r' % (obj, cls))
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if not hasattr(unittest.TestCase, 'assertNotIsInstance'):
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def assertNotIsInstance(self, obj, cls, msg=None):
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"""Same as self.assertFalse(isinstance(obj, cls))."""
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if isinstance(obj, cls):
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self.fail(msg or '%r is an instance of %r' % (obj, cls))
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if not hasattr(unittest.TestCase, 'assertIn'):
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def assertIn(self, member, container, msg=None):
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"""Just like self.assertTrue(a in b)."""
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if member not in container:
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self.fail(msg or '%r not found in %r' % (member, container))
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if not hasattr(unittest.TestCase, 'assertNotIn'):
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def assertNotIn(self, member, container, msg=None):
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"""Just like self.assertTrue(a not in b)."""
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if member in container:
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self.fail(msg or
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'%r unexpectedly found in %r' % (member, container))
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