Lib/test/test_coding.py

   1
   2 import test.test_support, unittest
   3 import os
   4
   5 class CodingTest(unittest.TestCase):
   6     def test_bad_coding(self):
   7         module_name = 'bad_coding'
   8         self.verify_bad_module(module_name)
   9
  10     def test_bad_coding2(self):
  11         module_name = 'bad_coding2'
  12         self.verify_bad_module(module_name)
  13
  14     def verify_bad_module(self, module_name):
  15         self.assertRaises(SyntaxError, __import__, 'test.' + module_name)
  16
  17         path = os.path.dirname(__file__)
  18         filename = os.path.join(path, module_name + '.py')
  19         fp = open(filename)
  20         text = fp.read()
  21         fp.close()
  22         self.assertRaises(SyntaxError, compile, text, filename, 'exec')
  23
  24     def test_error_from_string(self):
  25         # See http://bugs.python.org/issue6289
  26         input = u"# coding: ascii\n\N{SNOWMAN}".encode('utf-8')
  27         try:
  28             compile(input, "<string>", "exec")
  29         except SyntaxError as e:
  30             expected = "'ascii' codec can't decode byte 0xe2 in position 16: " \
  31                 "ordinal not in range(128)"
  32             self.assertTrue(str(e).startswith(expected))
  33         else:
  34             self.fail("didn't raise")
  35
  36 def test_main():
  37     test.test_support.run_unittest(CodingTest)
  38
  39 if __name__ == "__main__":
  40     test_main()