1 #! /usr/bin/env python

     2 """Test the errno module

     3    Roger E. Masse

     4 """

     5 

     6 import errno

     7 from test import test_support

     8 import unittest

     9 

    10 std_c_errors = frozenset(['EDOM', 'ERANGE'])

    11 

    12 class ErrnoAttributeTests(unittest.TestCase):

    13 

    14     def test_for_improper_attributes(self):

    15         # No unexpected attributes should be on the module.

    16         for error_code in std_c_errors:

    17             self.assert_(hasattr(errno, error_code),

    18                             "errno is missing %s" % error_code)

    19 

    20     def test_using_errorcode(self):

    21         # Every key value in errno.errorcode should be on the module.

    22         for value in errno.errorcode.itervalues():

    23             self.assert_(hasattr(errno, value), 'no %s attr in errno' % value)

    24 

    25 

    26 class ErrorcodeTests(unittest.TestCase):

    27 

    28     def test_attributes_in_errorcode(self):

    29         for attribute in errno.__dict__.iterkeys():

    30             if attribute.isupper():

    31                 self.assert_(getattr(errno, attribute) in errno.errorcode,

    32                              'no %s attr in errno.errorcode' % attribute)

    33 

    34 

    35 def test_main():

    36     test_support.run_unittest(ErrnoAttributeTests, ErrorcodeTests)

    37 

    38 

    39 if __name__ == '__main__':

    40     test_main()