1 """Test the errno module 2 Roger E. Masse 3 """ 4 5 import errno 6 import unittest 7 8 std_c_errors = frozenset(['EDOM', 'ERANGE']) 9 10 class ErrnoAttributeTests(unittest.TestCase): 11 12 def test_for_improper_attributes(self): 13 # No unexpected attributes should be on the module. 14 for error_code in std_c_errors: 15 self.assertTrue(hasattr(errno, error_code), 16 "errno is missing %s" % error_code) 17 18 def test_using_errorcode(self): 19 # Every key value in errno.errorcode should be on the module. 20 for value in errno.errorcode.values(): 21 self.assertTrue(hasattr(errno, value), 22 'no %s attr in errno' % value) 23 24 25 class ErrorcodeTests(unittest.TestCase): 26 27 def test_attributes_in_errorcode(self): 28 for attribute in errno.__dict__.keys(): 29 if attribute.isupper(): 30 self.assertIn(getattr(errno, attribute), errno.errorcode, 31 'no %s attr in errno.errorcode' % attribute) 32 33 34 if __name__ == '__main__': 35 unittest.main() 36
