1 """Test the errno module 2 Roger E. Masse 3 """ 4 5 import errno 6 from test import test_support 7 import unittest 8 9 std_c_errors = frozenset(['EDOM', 'ERANGE']) 10 11 class ErrnoAttributeTests(unittest.TestCase): 12 13 def test_for_improper_attributes(self): 14 # No unexpected attributes should be on the module. 15 for error_code in std_c_errors: 16 self.assertTrue(hasattr(errno, error_code), 17 "errno is missing %s" % error_code) 18 19 def test_using_errorcode(self): 20 # Every key value in errno.errorcode should be on the module. 21 for value in errno.errorcode.itervalues(): 22 self.assertTrue(hasattr(errno, value), '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__.iterkeys(): 29 if attribute.isupper(): 30 self.assertIn(getattr(errno, attribute), errno.errorcode, 31 'no %s attr in errno.errorcode' % attribute) 32 33 34 def test_main(): 35 test_support.run_unittest(ErrnoAttributeTests, ErrorcodeTests) 36 37 38 if __name__ == '__main__': 39 test_main() 40
