Lib/test/test_module.py

   1 # Test the module type
   2
   3 from test.test_support import verify, vereq, verbose, TestFailed
   4
   5 import sys
   6 module = type(sys)
   7
   8 # An uninitialized module has no __dict__ or __name__, and __doc__ is None
   9 foo = module.__new__(module)
  10 verify(foo.__dict__ is None)
  11 try:
  12     s = foo.__name__
  13 except AttributeError:
  14     pass
  15 else:
  16     raise TestFailed, "__name__ = %s" % repr(s)
  17 vereq(foo.__doc__, module.__doc__)
  18
  19 # Regularly initialized module, no docstring
  20 foo = module("foo")
  21 vereq(foo.__name__, "foo")
  22 vereq(foo.__doc__, None)
  23 vereq(foo.__dict__, {"__name__": "foo", "__doc__": None})
  24
  25 # ASCII docstring
  26 foo = module("foo", "foodoc")
  27 vereq(foo.__name__, "foo")
  28 vereq(foo.__doc__, "foodoc")
  29 vereq(foo.__dict__, {"__name__": "foo", "__doc__": "foodoc"})
  30
  31 # Unicode docstring
  32 foo = module("foo", u"foodoc\u1234")
  33 vereq(foo.__name__, "foo")
  34 vereq(foo.__doc__, u"foodoc\u1234")
  35 vereq(foo.__dict__, {"__name__": "foo", "__doc__": u"foodoc\u1234"})
  36
  37 # Reinitialization should not replace the __dict__
  38 foo.bar = 42
  39 d = foo.__dict__
  40 foo.__init__("foo", "foodoc")
  41 vereq(foo.__name__, "foo")
  42 vereq(foo.__doc__, "foodoc")
  43 vereq(foo.bar, 42)
  44 vereq(foo.__dict__, {"__name__": "foo", "__doc__": "foodoc", "bar": 42})
  45 verify(foo.__dict__ is d)
  46
  47 if verbose:
  48     print "All OK"