text: """Test script for unittest.
  
  By Collin Winter <collinw at gmail.com>
  
  Still need testing:
      TestCase.{assert,fail}* methods (some are tested implicitly)
  """
  
  import sys
  from test import test_support
  import unittest
  from unittest import TestCase
  import types
  
  ### Support code
  ################################################################
  
  class LoggingResult(unittest.TestResult):
      def __init__(self, log):
          self._events = log
          super(LoggingResult, self).__init__()
  
      def startTest(self, test):
          self._events.append('startTest')
          super(LoggingResult, self).startTest(test)
  
      def stopTest(self, test):
          self._events.append('stopTest')
          super(LoggingResult, self).stopTest(test)
  
      def addFailure(self, *args):
          self._events.append('addFailure')
          super(LoggingResult, self).addFailure(*args)
  
      def addError(self, *args):
          self._events.append('addError')
          super(LoggingResult, self).addError(*args)
  
  class TestEquality(object):
      # Check for a valid __eq__ implementation
      def test_eq(self):
          for obj_1, obj_2 in self.eq_pairs:
              self.assertEqual(obj_1, obj_2)
              self.assertEqual(obj_2, obj_1)
  
      # Check for a valid __ne__ implementation
      def test_ne(self):
          for obj_1, obj_2 in self.ne_pairs:
              self.failIfEqual(obj_1, obj_2)
              self.failIfEqual(obj_2, obj_1)
  
  class TestHashing(object):
      # Check for a valid __hash__ implementation
      def test_hash(self):
          for obj_1, obj_2 in self.eq_pairs:
              try:
                  assert hash(obj_1) == hash(obj_2)
              except KeyboardInterrupt:
                  raise
              except AssertionError:
                  self.fail("%s and %s do not hash equal" % (obj_1, obj_2))
              except Exception, e:
                  self.fail("Problem hashing %s and %s: %s" % (obj_1, obj_2, e))
  
          for obj_1, obj_2 in self.ne_pairs:
              try:
                  assert hash(obj_1) != hash(obj_2)
              except KeyboardInterrupt:
                  raise
              except AssertionError:
                  self.fail("%s and %s hash equal, but shouldn't" % (obj_1, obj_2))
              except Exception, e:
                  self.fail("Problem hashing %s and %s: %s" % (obj_1, obj_2, e))
  
  
  ################################################################
  ### /Support code
  
  class Test_TestLoader(TestCase):
  
      ### Tests for TestLoader.loadTestsFromTestCase
      ################################################################
  
      # "Return a suite of all tests cases contained in the TestCase-derived
      # class testCaseClass"
      def test_loadTestsFromTestCase(self):
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foo_bar(self): pass
  
          tests = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
  
          loader = unittest.TestLoader()
          self.assertEqual(loader.loadTestsFromTestCase(Foo), tests)
  
      # "Return a suite of all tests cases contained in the TestCase-derived
      # class testCaseClass"
      #
      # Make sure it does the right thing even if no tests were found
      def test_loadTestsFromTestCase__no_matches(self):
          class Foo(unittest.TestCase):
              def foo_bar(self): pass
  
          empty_suite = unittest.TestSuite()
  
          loader = unittest.TestLoader()
          self.assertEqual(loader.loadTestsFromTestCase(Foo), empty_suite)
  
      # "Return a suite of all tests cases contained in the TestCase-derived
      # class testCaseClass"
      #
      # What happens if loadTestsFromTestCase() is given an object
      # that isn't a subclass of TestCase? Specifically, what happens
      # if testCaseClass is a subclass of TestSuite?
      #
      # This is checked for specifically in the code, so we better add a
      # test for it.
      def test_loadTestsFromTestCase__TestSuite_subclass(self):
          class NotATestCase(unittest.TestSuite):
              pass
  
          loader = unittest.TestLoader()
          try:
              loader.loadTestsFromTestCase(NotATestCase)
          except TypeError:
              pass
          else:
              self.fail('Should raise TypeError')
  
      # "Return a suite of all tests cases contained in the TestCase-derived
      # class testCaseClass"
      #
      # Make sure loadTestsFromTestCase() picks up the default test method
      # name (as specified by TestCase), even though the method name does
      # not match the default TestLoader.testMethodPrefix string
      def test_loadTestsFromTestCase__default_method_name(self):
          class Foo(unittest.TestCase):
              def runTest(self):
                  pass
  
          loader = unittest.TestLoader()
          # This has to be false for the test to succeed
          self.failIf('runTest'.startswith(loader.testMethodPrefix))
  
          suite = loader.loadTestsFromTestCase(Foo)
          self.failUnless(isinstance(suite, loader.suiteClass))
          self.assertEqual(list(suite), [Foo('runTest')])
  
      ################################################################
      ### /Tests for TestLoader.loadTestsFromTestCase
  
      ### Tests for TestLoader.loadTestsFromModule
      ################################################################
  
      # "This method searches `module` for classes derived from TestCase"
      def test_loadTestsFromModule__TestCase_subclass(self):
          m = types.ModuleType('m')
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
          m.testcase_1 = MyTestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromModule(m)
          self.failUnless(isinstance(suite, loader.suiteClass))
  
          expected = [loader.suiteClass([MyTestCase('test')])]
          self.assertEqual(list(suite), expected)
  
      # "This method searches `module` for classes derived from TestCase"
      #
      # What happens if no tests are found (no TestCase instances)?
      def test_loadTestsFromModule__no_TestCase_instances(self):
          m = types.ModuleType('m')
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromModule(m)
          self.failUnless(isinstance(suite, loader.suiteClass))
          self.assertEqual(list(suite), [])
  
      # "This method searches `module` for classes derived from TestCase"
      #
      # What happens if no tests are found (TestCases instances, but no tests)?
      def test_loadTestsFromModule__no_TestCase_tests(self):
          m = types.ModuleType('m')
          class MyTestCase(unittest.TestCase):
              pass
          m.testcase_1 = MyTestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromModule(m)
          self.failUnless(isinstance(suite, loader.suiteClass))
  
          self.assertEqual(list(suite), [loader.suiteClass()])
  
      # "This method searches `module` for classes derived from TestCase"s
      #
      # What happens if loadTestsFromModule() is given something other
      # than a module?
      #
      # XXX Currently, it succeeds anyway. This flexibility
      # should either be documented or loadTestsFromModule() should
      # raise a TypeError
      #
      # XXX Certain people are using this behaviour. We'll add a test for it
      def test_loadTestsFromModule__not_a_module(self):
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
  
          class NotAModule(object):
              test_2 = MyTestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromModule(NotAModule)
  
          reference = [unittest.TestSuite([MyTestCase('test')])]
          self.assertEqual(list(suite), reference)
  
      ################################################################
      ### /Tests for TestLoader.loadTestsFromModule()
  
      ### Tests for TestLoader.loadTestsFromName()
      ################################################################
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # Is ValueError raised in response to an empty name?
      def test_loadTestsFromName__empty_name(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromName('')
          except ValueError, e:
              self.assertEqual(str(e), "Empty module name")
          else:
              self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # What happens when the name contains invalid characters?
      def test_loadTestsFromName__malformed_name(self):
          loader = unittest.TestLoader()
  
          # XXX Should this raise ValueError or ImportError?
          try:
              loader.loadTestsFromName('abc () //')
          except ValueError:
              pass
          except ImportError:
              pass
          else:
              self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
  
      # "The specifier name is a ``dotted name'' that may resolve ... to a
      # module"
      #
      # What happens when a module by that name can't be found?
      def test_loadTestsFromName__unknown_module_name(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromName('sdasfasfasdf')
          except ImportError, e:
              self.assertEqual(str(e), "No module named sdasfasfasdf")
          else:
              self.fail("TestLoader.loadTestsFromName failed to raise ImportError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # What happens when the module is found, but the attribute can't?
      def test_loadTestsFromName__unknown_attr_name(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromName('unittest.sdasfasfasdf')
          except AttributeError, e:
              self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
          else:
              self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # What happens when we provide the module, but the attribute can't be
      # found?
      def test_loadTestsFromName__relative_unknown_name(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromName('sdasfasfasdf', unittest)
          except AttributeError, e:
              self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
          else:
              self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      # ...
      # "The method optionally resolves name relative to the given module"
      #
      # Does loadTestsFromName raise ValueError when passed an empty
      # name relative to a provided module?
      #
      # XXX Should probably raise a ValueError instead of an AttributeError
      def test_loadTestsFromName__relative_empty_name(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromName('', unittest)
          except AttributeError, e:
              pass
          else:
              self.fail("Failed to raise AttributeError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      # ...
      # "The method optionally resolves name relative to the given module"
      #
      # What happens when an impossible name is given, relative to the provided
      # `module`?
      def test_loadTestsFromName__relative_malformed_name(self):
          loader = unittest.TestLoader()
  
          # XXX Should this raise AttributeError or ValueError?
          try:
              loader.loadTestsFromName('abc () //', unittest)
          except ValueError:
              pass
          except AttributeError:
              pass
          else:
              self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
  
      # "The method optionally resolves name relative to the given module"
      #
      # Does loadTestsFromName raise TypeError when the `module` argument
      # isn't a module object?
      #
      # XXX Accepts the not-a-module object, ignorning the object's type
      # This should raise an exception or the method name should be changed
      #
      # XXX Some people are relying on this, so keep it for now
      def test_loadTestsFromName__relative_not_a_module(self):
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
  
          class NotAModule(object):
              test_2 = MyTestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromName('test_2', NotAModule)
  
          reference = [MyTestCase('test')]
          self.assertEqual(list(suite), reference)
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # Does it raise an exception if the name resolves to an invalid
      # object?
      def test_loadTestsFromName__relative_bad_object(self):
          m = types.ModuleType('m')
          m.testcase_1 = object()
  
          loader = unittest.TestLoader()
          try:
              loader.loadTestsFromName('testcase_1', m)
          except TypeError:
              pass
          else:
              self.fail("Should have raised TypeError")
  
      # "The specifier name is a ``dotted name'' that may
      # resolve either to ... a test case class"
      def test_loadTestsFromName__relative_TestCase_subclass(self):
          m = types.ModuleType('m')
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
          m.testcase_1 = MyTestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromName('testcase_1', m)
          self.failUnless(isinstance(suite, loader.suiteClass))
          self.assertEqual(list(suite), [MyTestCase('test')])
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      def test_loadTestsFromName__relative_TestSuite(self):
          m = types.ModuleType('m')
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
          m.testsuite = unittest.TestSuite([MyTestCase('test')])
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromName('testsuite', m)
          self.failUnless(isinstance(suite, loader.suiteClass))
  
          self.assertEqual(list(suite), [MyTestCase('test')])
  
      # "The specifier name is a ``dotted name'' that may resolve ... to
      # ... a test method within a test case class"
      def test_loadTestsFromName__relative_testmethod(self):
          m = types.ModuleType('m')
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
          m.testcase_1 = MyTestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromName('testcase_1.test', m)
          self.failUnless(isinstance(suite, loader.suiteClass))
  
          self.assertEqual(list(suite), [MyTestCase('test')])
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # Does loadTestsFromName() raise the proper exception when trying to
      # resolve "a test method within a test case class" that doesn't exist
      # for the given name (relative to a provided module)?
      def test_loadTestsFromName__relative_invalid_testmethod(self):
          m = types.ModuleType('m')
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
          m.testcase_1 = MyTestCase
  
          loader = unittest.TestLoader()
          try:
              loader.loadTestsFromName('testcase_1.testfoo', m)
          except AttributeError, e:
              self.assertEqual(str(e), "type object 'MyTestCase' has no attribute 'testfoo'")
          else:
              self.fail("Failed to raise AttributeError")
  
      # "The specifier name is a ``dotted name'' that may resolve ... to
      # ... a callable object which returns a ... TestSuite instance"
      def test_loadTestsFromName__callable__TestSuite(self):
          m = types.ModuleType('m')
          testcase_1 = unittest.FunctionTestCase(lambda: None)
          testcase_2 = unittest.FunctionTestCase(lambda: None)
          def return_TestSuite():
              return unittest.TestSuite([testcase_1, testcase_2])
          m.return_TestSuite = return_TestSuite
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromName('return_TestSuite', m)
          self.failUnless(isinstance(suite, loader.suiteClass))
          self.assertEqual(list(suite), [testcase_1, testcase_2])
  
      # "The specifier name is a ``dotted name'' that may resolve ... to
      # ... a callable object which returns a TestCase ... instance"
      def test_loadTestsFromName__callable__TestCase_instance(self):
          m = types.ModuleType('m')
          testcase_1 = unittest.FunctionTestCase(lambda: None)
          def return_TestCase():
              return testcase_1
          m.return_TestCase = return_TestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromName('return_TestCase', m)
          self.failUnless(isinstance(suite, loader.suiteClass))
          self.assertEqual(list(suite), [testcase_1])
  
      # "The specifier name is a ``dotted name'' that may resolve ... to
      # ... a callable object which returns a TestCase or TestSuite instance"
      #
      # What happens if the callable returns something else?
      def test_loadTestsFromName__callable__wrong_type(self):
          m = types.ModuleType('m')
          def return_wrong():
              return 6
          m.return_wrong = return_wrong
  
          loader = unittest.TestLoader()
          try:
              suite = loader.loadTestsFromName('return_wrong', m)
          except TypeError:
              pass
          else:
              self.fail("TestLoader.loadTestsFromName failed to raise TypeError")
  
      # "The specifier can refer to modules and packages which have not been
      # imported; they will be imported as a side-effect"
      def test_loadTestsFromName__module_not_loaded(self):
          # We're going to try to load this module as a side-effect, so it
          # better not be loaded before we try.
          #
          # Why pick audioop? Google shows it isn't used very often, so there's
          # a good chance that it won't be imported when this test is run
          module_name = 'audioop'
  
          import sys
          if module_name in sys.modules:
              del sys.modules[module_name]
  
          loader = unittest.TestLoader()
          try:
              suite = loader.loadTestsFromName(module_name)
  
              self.failUnless(isinstance(suite, loader.suiteClass))
              self.assertEqual(list(suite), [])
  
              # audioop should now be loaded, thanks to loadTestsFromName()
              self.failUnless(module_name in sys.modules)
          finally:
              if module_name in sys.modules:
                  del sys.modules[module_name]
  
      ################################################################
      ### Tests for TestLoader.loadTestsFromName()
  
      ### Tests for TestLoader.loadTestsFromNames()
      ################################################################
  
      # "Similar to loadTestsFromName(), but takes a sequence of names rather
      # than a single name."
      #
      # What happens if that sequence of names is empty?
      def test_loadTestsFromNames__empty_name_list(self):
          loader = unittest.TestLoader()
  
          suite = loader.loadTestsFromNames([])
          self.failUnless(isinstance(suite, loader.suiteClass))
          self.assertEqual(list(suite), [])
  
      # "Similar to loadTestsFromName(), but takes a sequence of names rather
      # than a single name."
      # ...
      # "The method optionally resolves name relative to the given module"
      #
      # What happens if that sequence of names is empty?
      #
      # XXX Should this raise a ValueError or just return an empty TestSuite?
      def test_loadTestsFromNames__relative_empty_name_list(self):
          loader = unittest.TestLoader()
  
          suite = loader.loadTestsFromNames([], unittest)
          self.failUnless(isinstance(suite, loader.suiteClass))
          self.assertEqual(list(suite), [])
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # Is ValueError raised in response to an empty name?
      def test_loadTestsFromNames__empty_name(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromNames([''])
          except ValueError, e:
              self.assertEqual(str(e), "Empty module name")
          else:
              self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # What happens when presented with an impossible module name?
      def test_loadTestsFromNames__malformed_name(self):
          loader = unittest.TestLoader()
  
          # XXX Should this raise ValueError or ImportError?
          try:
              loader.loadTestsFromNames(['abc () //'])
          except ValueError:
              pass
          except ImportError:
              pass
          else:
              self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # What happens when no module can be found for the given name?
      def test_loadTestsFromNames__unknown_module_name(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromNames(['sdasfasfasdf'])
          except ImportError, e:
              self.assertEqual(str(e), "No module named sdasfasfasdf")
          else:
              self.fail("TestLoader.loadTestsFromNames failed to raise ImportError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # What happens when the module can be found, but not the attribute?
      def test_loadTestsFromNames__unknown_attr_name(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromNames(['unittest.sdasfasfasdf', 'unittest'])
          except AttributeError, e:
              self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
          else:
              self.fail("TestLoader.loadTestsFromNames failed to raise AttributeError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      # ...
      # "The method optionally resolves name relative to the given module"
      #
      # What happens when given an unknown attribute on a specified `module`
      # argument?
      def test_loadTestsFromNames__unknown_name_relative_1(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromNames(['sdasfasfasdf'], unittest)
          except AttributeError, e:
              self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
          else:
              self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      # ...
      # "The method optionally resolves name relative to the given module"
      #
      # Do unknown attributes (relative to a provided module) still raise an
      # exception even in the presence of valid attribute names?
      def test_loadTestsFromNames__unknown_name_relative_2(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromNames(['TestCase', 'sdasfasfasdf'], unittest)
          except AttributeError, e:
              self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
          else:
              self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      # ...
      # "The method optionally resolves name relative to the given module"
      #
      # What happens when faced with the empty string?
      #
      # XXX This currently raises AttributeError, though ValueError is probably
      # more appropriate
      def test_loadTestsFromNames__relative_empty_name(self):
          loader = unittest.TestLoader()
  
          try:
              loader.loadTestsFromNames([''], unittest)
          except AttributeError:
              pass
          else:
              self.fail("Failed to raise ValueError")
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      # ...
      # "The method optionally resolves name relative to the given module"
      #
      # What happens when presented with an impossible attribute name?
      def test_loadTestsFromNames__relative_malformed_name(self):
          loader = unittest.TestLoader()
  
          # XXX Should this raise AttributeError or ValueError?
          try:
              loader.loadTestsFromNames(['abc () //'], unittest)
          except AttributeError:
              pass
          except ValueError:
              pass
          else:
              self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
  
      # "The method optionally resolves name relative to the given module"
      #
      # Does loadTestsFromNames() make sure the provided `module` is in fact
      # a module?
      #
      # XXX This validation is currently not done. This flexibility should
      # either be documented or a TypeError should be raised.
      def test_loadTestsFromNames__relative_not_a_module(self):
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
  
          class NotAModule(object):
              test_2 = MyTestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromNames(['test_2'], NotAModule)
  
          reference = [unittest.TestSuite([MyTestCase('test')])]
          self.assertEqual(list(suite), reference)
  
      # "The specifier name is a ``dotted name'' that may resolve either to
      # a module, a test case class, a TestSuite instance, a test method
      # within a test case class, or a callable object which returns a
      # TestCase or TestSuite instance."
      #
      # Does it raise an exception if the name resolves to an invalid
      # object?
      def test_loadTestsFromNames__relative_bad_object(self):
          m = types.ModuleType('m')
          m.testcase_1 = object()
  
          loader = unittest.TestLoader()
          try:
              loader.loadTestsFromNames(['testcase_1'], m)
          except TypeError:
              pass
          else:
              self.fail("Should have raised TypeError")
  
      # "The specifier name is a ``dotted name'' that may resolve ... to
      # ... a test case class"
      def test_loadTestsFromNames__relative_TestCase_subclass(self):
          m = types.ModuleType('m')
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
          m.testcase_1 = MyTestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromNames(['testcase_1'], m)
          self.failUnless(isinstance(suite, loader.suiteClass))
  
          expected = loader.suiteClass([MyTestCase('test')])
          self.assertEqual(list(suite), [expected])
  
      # "The specifier name is a ``dotted name'' that may resolve ... to
      # ... a TestSuite instance"
      def test_loadTestsFromNames__relative_TestSuite(self):
          m = types.ModuleType('m')
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
          m.testsuite = unittest.TestSuite([MyTestCase('test')])
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromNames(['testsuite'], m)
          self.failUnless(isinstance(suite, loader.suiteClass))
  
          self.assertEqual(list(suite), [m.testsuite])
  
      # "The specifier name is a ``dotted name'' that may resolve ... to ... a
      # test method within a test case class"
      def test_loadTestsFromNames__relative_testmethod(self):
          m = types.ModuleType('m')
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
          m.testcase_1 = MyTestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromNames(['testcase_1.test'], m)
          self.failUnless(isinstance(suite, loader.suiteClass))
  
          ref_suite = unittest.TestSuite([MyTestCase('test')])
          self.assertEqual(list(suite), [ref_suite])
  
      # "The specifier name is a ``dotted name'' that may resolve ... to ... a
      # test method within a test case class"
      #
      # Does the method gracefully handle names that initially look like they
      # resolve to "a test method within a test case class" but don't?
      def test_loadTestsFromNames__relative_invalid_testmethod(self):
          m = types.ModuleType('m')
          class MyTestCase(unittest.TestCase):
              def test(self):
                  pass
          m.testcase_1 = MyTestCase
  
          loader = unittest.TestLoader()
          try:
              loader.loadTestsFromNames(['testcase_1.testfoo'], m)
          except AttributeError, e:
              self.assertEqual(str(e), "type object 'MyTestCase' has no attribute 'testfoo'")
          else:
              self.fail("Failed to raise AttributeError")
  
      # "The specifier name is a ``dotted name'' that may resolve ... to
      # ... a callable object which returns a ... TestSuite instance"
      def test_loadTestsFromNames__callable__TestSuite(self):
          m = types.ModuleType('m')
          testcase_1 = unittest.FunctionTestCase(lambda: None)
          testcase_2 = unittest.FunctionTestCase(lambda: None)
          def return_TestSuite():
              return unittest.TestSuite([testcase_1, testcase_2])
          m.return_TestSuite = return_TestSuite
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromNames(['return_TestSuite'], m)
          self.failUnless(isinstance(suite, loader.suiteClass))
  
          expected = unittest.TestSuite([testcase_1, testcase_2])
          self.assertEqual(list(suite), [expected])
  
      # "The specifier name is a ``dotted name'' that may resolve ... to
      # ... a callable object which returns a TestCase ... instance"
      def test_loadTestsFromNames__callable__TestCase_instance(self):
          m = types.ModuleType('m')
          testcase_1 = unittest.FunctionTestCase(lambda: None)
          def return_TestCase():
              return testcase_1
          m.return_TestCase = return_TestCase
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromNames(['return_TestCase'], m)
          self.failUnless(isinstance(suite, loader.suiteClass))
  
          ref_suite = unittest.TestSuite([testcase_1])
          self.assertEqual(list(suite), [ref_suite])
  
      # "The specifier name is a ``dotted name'' that may resolve ... to
      # ... a callable object which returns a TestCase or TestSuite instance"
      #
      # Are staticmethods handled correctly?
      def test_loadTestsFromNames__callable__call_staticmethod(self):
          m = types.ModuleType('m')
          class Test1(unittest.TestCase):
              def test(self):
                  pass
  
          testcase_1 = Test1('test')
          class Foo(unittest.TestCase):
              @staticmethod
              def foo():
                  return testcase_1
          m.Foo = Foo
  
          loader = unittest.TestLoader()
          suite = loader.loadTestsFromNames(['Foo.foo'], m)
          self.failUnless(isinstance(suite, loader.suiteClass))
  
          ref_suite = unittest.TestSuite([testcase_1])
          self.assertEqual(list(suite), [ref_suite])
  
      # "The specifier name is a ``dotted name'' that may resolve ... to
      # ... a callable object which returns a TestCase or TestSuite instance"
      #
      # What happens when the callable returns something else?
      def test_loadTestsFromNames__callable__wrong_type(self):
          m = types.ModuleType('m')
          def return_wrong():
              return 6
          m.return_wrong = return_wrong
  
          loader = unittest.TestLoader()
          try:
              suite = loader.loadTestsFromNames(['return_wrong'], m)
          except TypeError:
              pass
          else:
              self.fail("TestLoader.loadTestsFromNames failed to raise TypeError")
  
      # "The specifier can refer to modules and packages which have not been
      # imported; they will be imported as a side-effect"
      def test_loadTestsFromNames__module_not_loaded(self):
          # We're going to try to load this module as a side-effect, so it
          # better not be loaded before we try.
          #
          # Why pick audioop? Google shows it isn't used very often, so there's
          # a good chance that it won't be imported when this test is run
          module_name = 'audioop'
  
          import sys
          if module_name in sys.modules:
              del sys.modules[module_name]
  
          loader = unittest.TestLoader()
          try:
              suite = loader.loadTestsFromNames([module_name])
  
              self.failUnless(isinstance(suite, loader.suiteClass))
              self.assertEqual(list(suite), [unittest.TestSuite()])
  
              # audioop should now be loaded, thanks to loadTestsFromName()
              self.failUnless(module_name in sys.modules)
          finally:
              if module_name in sys.modules:
                  del sys.modules[module_name]
  
      ################################################################
      ### /Tests for TestLoader.loadTestsFromNames()
  
      ### Tests for TestLoader.getTestCaseNames()
      ################################################################
  
      # "Return a sorted sequence of method names found within testCaseClass"
      #
      # Test.foobar is defined to make sure getTestCaseNames() respects
      # loader.testMethodPrefix
      def test_getTestCaseNames(self):
          class Test(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foobar(self): pass
  
          loader = unittest.TestLoader()
  
          self.assertEqual(loader.getTestCaseNames(Test), ['test_1', 'test_2'])
  
      # "Return a sorted sequence of method names found within testCaseClass"
      #
      # Does getTestCaseNames() behave appropriately if no tests are found?
      def test_getTestCaseNames__no_tests(self):
          class Test(unittest.TestCase):
              def foobar(self): pass
  
          loader = unittest.TestLoader()
  
          self.assertEqual(loader.getTestCaseNames(Test), [])
  
      # "Return a sorted sequence of method names found within testCaseClass"
      #
      # Are not-TestCases handled gracefully?
      #
      # XXX This should raise a TypeError, not return a list
      #
      # XXX It's too late in the 2.5 release cycle to fix this, but it should
      # probably be revisited for 2.6
      def test_getTestCaseNames__not_a_TestCase(self):
          class BadCase(int):
              def test_foo(self):
                  pass
  
          loader = unittest.TestLoader()
          names = loader.getTestCaseNames(BadCase)
  
          self.assertEqual(names, ['test_foo'])
  
      # "Return a sorted sequence of method names found within testCaseClass"
      #
      # Make sure inherited names are handled.
      #
      # TestP.foobar is defined to make sure getTestCaseNames() respects
      # loader.testMethodPrefix
      def test_getTestCaseNames__inheritance(self):
          class TestP(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foobar(self): pass
  
          class TestC(TestP):
              def test_1(self): pass
              def test_3(self): pass
  
          loader = unittest.TestLoader()
  
          names = ['test_1', 'test_2', 'test_3']
          self.assertEqual(loader.getTestCaseNames(TestC), names)
  
      ################################################################
      ### /Tests for TestLoader.getTestCaseNames()
  
      ### Tests for TestLoader.testMethodPrefix
      ################################################################
  
      # "String giving the prefix of method names which will be interpreted as
      # test methods"
      #
      # Implicit in the documentation is that testMethodPrefix is respected by
      # all loadTestsFrom* methods.
      def test_testMethodPrefix__loadTestsFromTestCase(self):
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foo_bar(self): pass
  
          tests_1 = unittest.TestSuite([Foo('foo_bar')])
          tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
  
          loader = unittest.TestLoader()
          loader.testMethodPrefix = 'foo'
          self.assertEqual(loader.loadTestsFromTestCase(Foo), tests_1)
  
          loader.testMethodPrefix = 'test'
          self.assertEqual(loader.loadTestsFromTestCase(Foo), tests_2)
  
      # "String giving the prefix of method names which will be interpreted as
      # test methods"
      #
      # Implicit in the documentation is that testMethodPrefix is respected by
      # all loadTestsFrom* methods.
      def test_testMethodPrefix__loadTestsFromModule(self):
          m = types.ModuleType('m')
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foo_bar(self): pass
          m.Foo = Foo
  
          tests_1 = [unittest.TestSuite([Foo('foo_bar')])]
          tests_2 = [unittest.TestSuite([Foo('test_1'), Foo('test_2')])]
  
          loader = unittest.TestLoader()
          loader.testMethodPrefix = 'foo'
          self.assertEqual(list(loader.loadTestsFromModule(m)), tests_1)
  
          loader.testMethodPrefix = 'test'
          self.assertEqual(list(loader.loadTestsFromModule(m)), tests_2)
  
      # "String giving the prefix of method names which will be interpreted as
      # test methods"
      #
      # Implicit in the documentation is that testMethodPrefix is respected by
      # all loadTestsFrom* methods.
      def test_testMethodPrefix__loadTestsFromName(self):
          m = types.ModuleType('m')
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foo_bar(self): pass
          m.Foo = Foo
  
          tests_1 = unittest.TestSuite([Foo('foo_bar')])
          tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
  
          loader = unittest.TestLoader()
          loader.testMethodPrefix = 'foo'
          self.assertEqual(loader.loadTestsFromName('Foo', m), tests_1)
  
          loader.testMethodPrefix = 'test'
          self.assertEqual(loader.loadTestsFromName('Foo', m), tests_2)
  
      # "String giving the prefix of method names which will be interpreted as
      # test methods"
      #
      # Implicit in the documentation is that testMethodPrefix is respected by
      # all loadTestsFrom* methods.
      def test_testMethodPrefix__loadTestsFromNames(self):
          m = types.ModuleType('m')
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foo_bar(self): pass
          m.Foo = Foo
  
          tests_1 = unittest.TestSuite([unittest.TestSuite([Foo('foo_bar')])])
          tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
          tests_2 = unittest.TestSuite([tests_2])
  
          loader = unittest.TestLoader()
          loader.testMethodPrefix = 'foo'
          self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests_1)
  
          loader.testMethodPrefix = 'test'
          self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests_2)
  
      # "The default value is 'test'"
      def test_testMethodPrefix__default_value(self):
          loader = unittest.TestLoader()
          self.failUnless(loader.testMethodPrefix == 'test')
  
      ################################################################
      ### /Tests for TestLoader.testMethodPrefix
  
      ### Tests for TestLoader.sortTestMethodsUsing
      ################################################################
  
      # "Function to be used to compare method names when sorting them in
      # getTestCaseNames() and all the loadTestsFromX() methods"
      def test_sortTestMethodsUsing__loadTestsFromTestCase(self):
          def reversed_cmp(x, y):
              return -cmp(x, y)
  
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
  
          loader = unittest.TestLoader()
          loader.sortTestMethodsUsing = reversed_cmp
  
          tests = loader.suiteClass([Foo('test_2'), Foo('test_1')])
          self.assertEqual(loader.loadTestsFromTestCase(Foo), tests)
  
      # "Function to be used to compare method names when sorting them in
      # getTestCaseNames() and all the loadTestsFromX() methods"
      def test_sortTestMethodsUsing__loadTestsFromModule(self):
          def reversed_cmp(x, y):
              return -cmp(x, y)
  
          m = types.ModuleType('m')
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
          m.Foo = Foo
  
          loader = unittest.TestLoader()
          loader.sortTestMethodsUsing = reversed_cmp
  
          tests = [loader.suiteClass([Foo('test_2'), Foo('test_1')])]
          self.assertEqual(list(loader.loadTestsFromModule(m)), tests)
  
      # "Function to be used to compare method names when sorting them in
      # getTestCaseNames() and all the loadTestsFromX() methods"
      def test_sortTestMethodsUsing__loadTestsFromName(self):
          def reversed_cmp(x, y):
              return -cmp(x, y)
  
          m = types.ModuleType('m')
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
          m.Foo = Foo
  
          loader = unittest.TestLoader()
          loader.sortTestMethodsUsing = reversed_cmp
  
          tests = loader.suiteClass([Foo('test_2'), Foo('test_1')])
          self.assertEqual(loader.loadTestsFromName('Foo', m), tests)
  
      # "Function to be used to compare method names when sorting them in
      # getTestCaseNames() and all the loadTestsFromX() methods"
      def test_sortTestMethodsUsing__loadTestsFromNames(self):
          def reversed_cmp(x, y):
              return -cmp(x, y)
  
          m = types.ModuleType('m')
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
          m.Foo = Foo
  
          loader = unittest.TestLoader()
          loader.sortTestMethodsUsing = reversed_cmp
  
          tests = [loader.suiteClass([Foo('test_2'), Foo('test_1')])]
          self.assertEqual(list(loader.loadTestsFromNames(['Foo'], m)), tests)
  
      # "Function to be used to compare method names when sorting them in
      # getTestCaseNames()"
      #
      # Does it actually affect getTestCaseNames()?
      def test_sortTestMethodsUsing__getTestCaseNames(self):
          def reversed_cmp(x, y):
              return -cmp(x, y)
  
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
  
          loader = unittest.TestLoader()
          loader.sortTestMethodsUsing = reversed_cmp
  
          test_names = ['test_2', 'test_1']
          self.assertEqual(loader.getTestCaseNames(Foo), test_names)
  
      # "The default value is the built-in cmp() function"
      def test_sortTestMethodsUsing__default_value(self):
          loader = unittest.TestLoader()
          self.failUnless(loader.sortTestMethodsUsing is cmp)
  
      # "it can be set to None to disable the sort."
      #
      # XXX How is this different from reassigning cmp? Are the tests returned
      # in a random order or something? This behaviour should die
      def test_sortTestMethodsUsing__None(self):
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
  
          loader = unittest.TestLoader()
          loader.sortTestMethodsUsing = None
  
          test_names = ['test_2', 'test_1']
          self.assertEqual(set(loader.getTestCaseNames(Foo)), set(test_names))
  
      ################################################################
      ### /Tests for TestLoader.sortTestMethodsUsing
  
      ### Tests for TestLoader.suiteClass
      ################################################################
  
      # "Callable object that constructs a test suite from a list of tests."
      def test_suiteClass__loadTestsFromTestCase(self):
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foo_bar(self): pass
  
          tests = [Foo('test_1'), Foo('test_2')]
  
          loader = unittest.TestLoader()
          loader.suiteClass = list
          self.assertEqual(loader.loadTestsFromTestCase(Foo), tests)
  
      # It is implicit in the documentation for TestLoader.suiteClass that
      # all TestLoader.loadTestsFrom* methods respect it. Let's make sure
      def test_suiteClass__loadTestsFromModule(self):
          m = types.ModuleType('m')
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foo_bar(self): pass
          m.Foo = Foo
  
          tests = [[Foo('test_1'), Foo('test_2')]]
  
          loader = unittest.TestLoader()
          loader.suiteClass = list
          self.assertEqual(loader.loadTestsFromModule(m), tests)
  
      # It is implicit in the documentation for TestLoader.suiteClass that
      # all TestLoader.loadTestsFrom* methods respect it. Let's make sure
      def test_suiteClass__loadTestsFromName(self):
          m = types.ModuleType('m')
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foo_bar(self): pass
          m.Foo = Foo
  
          tests = [Foo('test_1'), Foo('test_2')]
  
          loader = unittest.TestLoader()
          loader.suiteClass = list
          self.assertEqual(loader.loadTestsFromName('Foo', m), tests)
  
      # It is implicit in the documentation for TestLoader.suiteClass that
      # all TestLoader.loadTestsFrom* methods respect it. Let's make sure
      def test_suiteClass__loadTestsFromNames(self):
          m = types.ModuleType('m')
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
              def foo_bar(self): pass
          m.Foo = Foo
  
          tests = [[Foo('test_1'), Foo('test_2')]]
  
          loader = unittest.TestLoader()
          loader.suiteClass = list
          self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests)
  
      # "The default value is the TestSuite class"
      def test_suiteClass__default_value(self):
          loader = unittest.TestLoader()
          self.failUnless(loader.suiteClass is unittest.TestSuite)
  
      ################################################################
      ### /Tests for TestLoader.suiteClass
  
  ### Support code for Test_TestSuite
  ################################################################
  
  class Foo(unittest.TestCase):
      def test_1(self): pass
      def test_2(self): pass
      def test_3(self): pass
      def runTest(self): pass
  
  def _mk_TestSuite(*names):
      return unittest.TestSuite(Foo(n) for n in names)
  
  ################################################################
  ### /Support code for Test_TestSuite
  
  class Test_TestSuite(TestCase, TestEquality):
  
      ### Set up attributes needed by inherited tests
      ################################################################
  
      # Used by TestEquality.test_eq
      eq_pairs = [(unittest.TestSuite(), unittest.TestSuite())
                 ,(unittest.TestSuite(), unittest.TestSuite([]))
                 ,(_mk_TestSuite('test_1'), _mk_TestSuite('test_1'))]
  
      # Used by TestEquality.test_ne
      ne_pairs = [(unittest.TestSuite(), _mk_TestSuite('test_1'))
                 ,(unittest.TestSuite([]), _mk_TestSuite('test_1'))
                 ,(_mk_TestSuite('test_1', 'test_2'), _mk_TestSuite('test_1', 'test_3'))
                 ,(_mk_TestSuite('test_1'), _mk_TestSuite('test_2'))]
  
      ################################################################
      ### /Set up attributes needed by inherited tests
  
      ### Tests for TestSuite.__init__
      ################################################################
  
      # "class TestSuite([tests])"
      #
      # The tests iterable should be optional
      def test_init__tests_optional(self):
          suite = unittest.TestSuite()
  
          self.assertEqual(suite.countTestCases(), 0)
  
      # "class TestSuite([tests])"
      # ...
      # "If tests is given, it must be an iterable of individual test cases
      # or other test suites that will be used to build the suite initially"
      #
      # TestSuite should deal with empty tests iterables by allowing the
      # creation of an empty suite
      def test_init__empty_tests(self):
          suite = unittest.TestSuite([])
  
          self.assertEqual(suite.countTestCases(), 0)
  
      # "class TestSuite([tests])"
      # ...
      # "If tests is given, it must be an iterable of individual test cases
      # or other test suites that will be used to build the suite initially"
      #
      # TestSuite should allow any iterable to provide tests
      def test_init__tests_from_any_iterable(self):
          def tests():
              yield unittest.FunctionTestCase(lambda: None)
              yield unittest.FunctionTestCase(lambda: None)
  
          suite_1 = unittest.TestSuite(tests())
          self.assertEqual(suite_1.countTestCases(), 2)
  
          suite_2 = unittest.TestSuite(suite_1)
          self.assertEqual(suite_2.countTestCases(), 2)
  
          suite_3 = unittest.TestSuite(set(suite_1))
          self.assertEqual(suite_3.countTestCases(), 2)
  
      # "class TestSuite([tests])"
      # ...
      # "If tests is given, it must be an iterable of individual test cases
      # or other test suites that will be used to build the suite initially"
      #
      # Does TestSuite() also allow other TestSuite() instances to be present
      # in the tests iterable?
      def test_init__TestSuite_instances_in_tests(self):
          def tests():
              ftc = unittest.FunctionTestCase(lambda: None)
              yield unittest.TestSuite([ftc])
              yield unittest.FunctionTestCase(lambda: None)
  
          suite = unittest.TestSuite(tests())
          self.assertEqual(suite.countTestCases(), 2)
  
      ################################################################
      ### /Tests for TestSuite.__init__
  
      # Container types should support the iter protocol
      def test_iter(self):
          test1 = unittest.FunctionTestCase(lambda: None)
          test2 = unittest.FunctionTestCase(lambda: None)
          suite = unittest.TestSuite((test1, test2))
  
          self.assertEqual(list(suite), [test1, test2])
  
      # "Return the number of tests represented by the this test object.
      # ...this method is also implemented by the TestSuite class, which can
      # return larger [greater than 1] values"
      #
      # Presumably an empty TestSuite returns 0?
      def test_countTestCases_zero_simple(self):
          suite = unittest.TestSuite()
  
          self.assertEqual(suite.countTestCases(), 0)
  
      # "Return the number of tests represented by the this test object.
      # ...this method is also implemented by the TestSuite class, which can
      # return larger [greater than 1] values"
      #
      # Presumably an empty TestSuite (even if it contains other empty
      # TestSuite instances) returns 0?
      def test_countTestCases_zero_nested(self):
          class Test1(unittest.TestCase):
              def test(self):
                  pass
  
          suite = unittest.TestSuite([unittest.TestSuite()])
  
          self.assertEqual(suite.countTestCases(), 0)
  
      # "Return the number of tests represented by the this test object.
      # ...this method is also implemented by the TestSuite class, which can
      # return larger [greater than 1] values"
      def test_countTestCases_simple(self):
          test1 = unittest.FunctionTestCase(lambda: None)
          test2 = unittest.FunctionTestCase(lambda: None)
          suite = unittest.TestSuite((test1, test2))
  
          self.assertEqual(suite.countTestCases(), 2)
  
      # "Return the number of tests represented by the this test object.
      # ...this method is also implemented by the TestSuite class, which can
      # return larger [greater than 1] values"
      #
      # Make sure this holds for nested TestSuite instances, too
      def test_countTestCases_nested(self):
          class Test1(unittest.TestCase):
              def test1(self): pass
              def test2(self): pass
  
          test2 = unittest.FunctionTestCase(lambda: None)
          test3 = unittest.FunctionTestCase(lambda: None)
          child = unittest.TestSuite((Test1('test2'), test2))
          parent = unittest.TestSuite((test3, child, Test1('test1')))
  
          self.assertEqual(parent.countTestCases(), 4)
  
      # "Run the tests associated with this suite, collecting the result into
      # the test result object passed as result."
      #
      # And if there are no tests? What then?
      def test_run__empty_suite(self):
          events = []
          result = LoggingResult(events)
  
          suite = unittest.TestSuite()
  
          suite.run(result)
  
          self.assertEqual(events, [])
  
      # "Note that unlike TestCase.run(), TestSuite.run() requires the
      # "result object to be passed in."
      def test_run__requires_result(self):
          suite = unittest.TestSuite()
  
          try:
              suite.run()
          except TypeError:
              pass
          else:
              self.fail("Failed to raise TypeError")
  
      # "Run the tests associated with this suite, collecting the result into
      # the test result object passed as result."
      def test_run(self):
          events = []
          result = LoggingResult(events)
  
          class LoggingCase(unittest.TestCase):
              def run(self, result):
                  events.append('run %s' % self._testMethodName)
  
              def test1(self): pass
              def test2(self): pass
  
          tests = [LoggingCase('test1'), LoggingCase('test2')]
  
          unittest.TestSuite(tests).run(result)
  
          self.assertEqual(events, ['run test1', 'run test2'])
  
      # "Add a TestCase ... to the suite"
      def test_addTest__TestCase(self):
          class Foo(unittest.TestCase):
              def test(self): pass
  
          test = Foo('test')
          suite = unittest.TestSuite()
  
          suite.addTest(test)
  
          self.assertEqual(suite.countTestCases(), 1)
          self.assertEqual(list(suite), [test])
  
      # "Add a ... TestSuite to the suite"
      def test_addTest__TestSuite(self):
          class Foo(unittest.TestCase):
              def test(self): pass
  
          suite_2 = unittest.TestSuite([Foo('test')])
  
          suite = unittest.TestSuite()
          suite.addTest(suite_2)
  
          self.assertEqual(suite.countTestCases(), 1)
          self.assertEqual(list(suite), [suite_2])
  
      # "Add all the tests from an iterable of TestCase and TestSuite
      # instances to this test suite."
      #
      # "This is equivalent to iterating over tests, calling addTest() for
      # each element"
      def test_addTests(self):
          class Foo(unittest.TestCase):
              def test_1(self): pass
              def test_2(self): pass
  
          test_1 = Foo('test_1')
          test_2 = Foo('test_2')
          inner_suite = unittest.TestSuite([test_2])
  
          def gen():
              yield test_1
              yield test_2
              yield inner_suite
  
          suite_1 = unittest.TestSuite()
          suite_1.addTests(gen())
  
          self.assertEqual(list(suite_1), list(gen()))
  
          # "This is equivalent to iterating over tests, calling addTest() for
          # each element"
          suite_2 = unittest.TestSuite()
          for t in gen():
              suite_2.addTest(t)
  
          self.assertEqual(suite_1, suite_2)
  
      # "Add all the tests from an iterable of TestCase and TestSuite
      # instances to this test suite."
      #
      # What happens if it doesn't get an iterable?
      def test_addTest__noniterable(self):
          suite = unittest.TestSuite()
  
          try:
              suite.addTests(5)
          except TypeError:
              pass
          else:
              self.fail("Failed to raise TypeError")
  
      def test_addTest__noncallable(self):
          suite = unittest.TestSuite()
          self.assertRaises(TypeError, suite.addTest, 5)
  
      def test_addTest__casesuiteclass(self):
          suite = unittest.TestSuite()
          self.assertRaises(TypeError, suite.addTest, Test_TestSuite)
          self.assertRaises(TypeError, suite.addTest, unittest.TestSuite)
  
      def test_addTests__string(self):
          suite = unittest.TestSuite()
          self.assertRaises(TypeError, suite.addTests, "foo")
  
  
  class Test_FunctionTestCase(TestCase):
  
      # "Return the number of tests represented by the this test object. For
      # TestCase instances, this will always be 1"
      def test_countTestCases(self):
          test = unittest.FunctionTestCase(lambda: None)
  
          self.assertEqual(test.countTestCases(), 1)
  
      # "When a setUp() method is defined, the test runner will run that method
      # prior to each test. Likewise, if a tearDown() method is defined, the
      # test runner will invoke that method after each test. In the example,
      # setUp() was used to create a fresh sequence for each test."
      #
      # Make sure the proper call order is maintained, even if setUp() raises
      # an exception.
      def test_run_call_order__error_in_setUp(self):
          events = []
          result = LoggingResult(events)
  
          def setUp():
              events.append('setUp')
              raise RuntimeError('raised by setUp')
  
          def test():
              events.append('test')
  
          def tearDown():
              events.append('tearDown')
  
          expected = ['startTest', 'setUp', 'addError', 'stopTest']
          unittest.FunctionTestCase(test, setUp, tearDown).run(result)
          self.assertEqual(events, expected)
  
      # "When a setUp() method is defined, the test runner will run that method
      # prior to each test. Likewise, if a tearDown() method is defined, the
      # test runner will invoke that method after each test. In the example,
      # setUp() was used to create a fresh sequence for each test."
      #
      # Make sure the proper call order is maintained, even if the test raises
      # an error (as opposed to a failure).
      def test_run_call_order__error_in_test(self):
          events = []
          result = LoggingResult(events)
  
          def setUp():
              events.append('setUp')
  
          def test():
              events.append('test')
              raise RuntimeError('raised by test')
  
          def tearDown():
              events.append('tearDown')
  
          expected = ['startTest', 'setUp', 'test', 'addError', 'tearDown',
                      'stopTest']
          unittest.FunctionTestCase(test, setUp, tearDown).run(result)
          self.assertEqual(events, expected)
  
      # "When a setUp() method is defined, the test runner will run that method
      # prior to each test. Likewise, if a tearDown() method is defined, the
      # test runner will invoke that method after each test. In the example,
      # setUp() was used to create a fresh sequence for each test."
      #
      # Make sure the proper call order is maintained, even if the test signals
      # a failure (as opposed to an error).
      def test_run_call_order__failure_in_test(self):
          events = []
          result = LoggingResult(events)
  
          def setUp():
              events.append('setUp')
  
          def test():
              events.append('test')
              self.fail('raised by test')
  
          def tearDown():
              events.append('tearDown')
  
          expected = ['startTest', 'setUp', 'test', 'addFailure', 'tearDown',
                      'stopTest']
          unittest.FunctionTestCase(test, setUp, tearDown).run(result)
          self.assertEqual(events, expected)
  
      # "When a setUp() method is defined, the test runner will run that method
      # prior to each test. Likewise, if a tearDown() method is defined, the
      # test runner will invoke that method after each test. In the example,
      # setUp() was used to create a fresh sequence for each test."
      #
      # Make sure the proper call order is maintained, even if tearDown() raises
      # an exception.
      def test_run_call_order__error_in_tearDown(self):
          events = []
          result = LoggingResult(events)
  
          def setUp():
              events.append('setUp')
  
          def test():
              events.append('test')
  
          def tearDown():
              events.append('tearDown')
              raise RuntimeError('raised by tearDown')
  
          expected = ['startTest', 'setUp', 'test', 'tearDown', 'addError',
                      'stopTest']
          unittest.FunctionTestCase(test, setUp, tearDown).run(result)
          self.assertEqual(events, expected)
  
      # "Return a string identifying the specific test case."
      #
      # Because of the vague nature of the docs, I'm not going to lock this
      # test down too much. Really all that can be asserted is that the id()
      # will be a string (either 8-byte or unicode -- again, because the docs
      # just say "string")
      def test_id(self):
          test = unittest.FunctionTestCase(lambda: None)
  
          self.failUnless(isinstance(test.id(), basestring))
  
      # "Returns a one-line description of the test, or None if no description
      # has been provided. The default implementation of this method returns
      # the first line of the test method's docstring, if available, or None."
      def test_shortDescription__no_docstring(self):
          test = unittest.FunctionTestCase(lambda: None)
  
          self.assertEqual(test.shortDescription(), None)
  
      # "Returns a one-line description of the test, or None if no description
      # has been provided. The default implementation of this method returns
      # the first line of the test method's docstring, if available, or None."
      def test_shortDescription__singleline_docstring(self):
          desc = "this tests foo"
          test = unittest.FunctionTestCase(lambda: None, description=desc)
  
          self.assertEqual(test.shortDescription(), "this tests foo")
  
  class Test_TestResult(TestCase):
      # Note: there are not separate tests for TestResult.wasSuccessful(),
      # TestResult.errors, TestResult.failures, TestResult.testsRun or
      # TestResult.shouldStop because these only have meaning in terms of
      # other TestResult methods.
      #
      # Accordingly, tests for the aforenamed attributes are incorporated
      # in with the tests for the defining methods.
      ################################################################
  
      def test_init(self):
          result = unittest.TestResult()
  
          self.failUnless(result.wasSuccessful())
          self.assertEqual(len(result.errors), 0)
          self.assertEqual(len(result.failures), 0)
          self.assertEqual(result.testsRun, 0)
          self.assertEqual(result.shouldStop, False)
  
      # "This method can be called to signal that the set of tests being
      # run should be aborted by setting the TestResult's shouldStop
      # attribute to True."
      def test_stop(self):
          result = unittest.TestResult()
  
          result.stop()
  
          self.assertEqual(result.shouldStop, True)
  
      # "Called when the test case test is about to be run. The default
      # implementation simply increments the instance's testsRun counter."
      def test_startTest(self):
          class Foo(unittest.TestCase):
              def test_1(self):
                  pass
  
          test = Foo('test_1')
  
          result = unittest.TestResult()
  
          result.startTest(test)
  
          self.failUnless(result.wasSuccessful())
          self.assertEqual(len(result.errors), 0)
          self.assertEqual(len(result.failures), 0)
          self.assertEqual(result.testsRun, 1)
          self.assertEqual(result.shouldStop, False)
  
          result.stopTest(test)
  
      # "Called after the test case test has been executed, regardless of
      # the outcome. The default implementation does nothing."
      def test_stopTest(self):
          class Foo(unittest.TestCase):
              def test_1(self):
                  pass
  
          test = Foo('test_1')
  
          result = unittest.TestResult()
  
          result.startTest(test)
  
          self.failUnless(result.wasSuccessful())
          self.assertEqual(len(result.errors), 0)
          self.assertEqual(len(result.failures), 0)
          self.assertEqual(result.testsRun, 1)
          self.assertEqual(result.shouldStop, False)
  
          result.stopTest(test)
  
          # Same tests as above; make sure nothing has changed
          self.failUnless(result.wasSuccessful())
          self.assertEqual(len(result.errors), 0)
          self.assertEqual(len(result.failures), 0)
          self.assertEqual(result.testsRun, 1)
          self.assertEqual(result.shouldStop, False)
  
      # "addSuccess(test)"
      # ...
      # "Called when the test case test succeeds"
      # ...
      # "wasSuccessful() - Returns True if all tests run so far have passed,
      # otherwise returns False"
      # ...
      # "testsRun - The total number of tests run so far."
      # ...
      # "errors - A list containing 2-tuples of TestCase instances and
      # formatted tracebacks. Each tuple represents a test which raised an
      # unexpected exception. Contains formatted
      # tracebacks instead of sys.exc_info() results."
      # ...
      # "failures - A list containing 2-tuples of TestCase instances and
      # formatted tracebacks. Each tuple represents a test where a failure was
      # explicitly signalled using the TestCase.fail*() or TestCase.assert*()
      # methods. Contains formatted tracebacks instead
      # of sys.exc_info() results."
      def test_addSuccess(self):
          class Foo(unittest.TestCase):
              def test_1(self):
                  pass
  
          test = Foo('test_1')
  
          result = unittest.TestResult()
  
          result.startTest(test)
          result.addSuccess(test)
          result.stopTest(test)
  
          self.failUnless(result.wasSuccessful())
          self.assertEqual(len(result.errors), 0)
          self.assertEqual(len(result.failures), 0)
          self.assertEqual(result.testsRun, 1)
          self.assertEqual(result.shouldStop, False)
  
      # "addFailure(test, err)"
      # ...
      # "Called when the test case test signals a failure. err is a tuple of
      # the form returned by sys.exc_info(): (type, value, traceback)"
      # ...
      # "wasSuccessful() - Returns True if all tests run so far have passed,
      # otherwise returns False"
      # ...
      # "testsRun - The total number of tests run so far."
      # ...
      # "errors - A list containing 2-tuples of TestCase instances and
      # formatted tracebacks. Each tuple represents a test which raised an
      # unexpected exception. Contains formatted
      # tracebacks instead of sys.exc_info() results."
      # ...
      # "failures - A list containing 2-tuples of TestCase instances and
      # formatted tracebacks. Each tuple represents a test where a failure was
      # explicitly signalled using the TestCase.fail*() or TestCase.assert*()
      # methods. Contains formatted tracebacks instead
      # of sys.exc_info() results."
      def test_addFailure(self):
          import sys
  
          class Foo(unittest.TestCase):
              def test_1(self):
                  pass
  
          test = Foo('test_1')
          try:
              test.fail("foo")
          except:
              exc_info_tuple = sys.exc_info()
  
          result = unittest.TestResult()
  
          result.startTest(test)
          result.addFailure(test, exc_info_tuple)
          result.stopTest(test)
  
          self.failIf(result.wasSuccessful())
          self.assertEqual(len(result.errors), 0)
          self.assertEqual(len(result.failures), 1)
          self.assertEqual(result.testsRun, 1)
          self.assertEqual(result.shouldStop, False)
  
          test_case, formatted_exc = result.failures[0]
          self.failUnless(test_case is test)
          self.failUnless(isinstance(formatted_exc, str))
  
      # "addError(test, err)"
      # ...
      # "Called when the test case test raises an unexpected exception err
      # is a tuple of the form returned by sys.exc_info():
      # (type, value, traceback)"
      # ...
      # "wasSuccessful() - Returns True if all tests run so far have passed,
      # otherwise returns False"
      # ...
      # "testsRun - The total number of tests run so far."
      # ...
      # "errors - A list containing 2-tuples of TestCase instances and
      # formatted tracebacks. Each tuple represents a test which raised an
      # unexpected exception. Contains formatted
      # tracebacks instead of sys.exc_info() results."
      # ...
      # "failures - A list containing 2-tuples of TestCase instances and
      # formatted tracebacks. Each tuple represents a test where a failure was
      # explicitly signalled using the TestCase.fail*() or TestCase.assert*()
      # methods. Contains formatted tracebacks instead
      # of sys.exc_info() results."
      def test_addError(self):
          import sys
  
          class Foo(unittest.TestCase):
              def test_1(self):
                  pass
  
          test = Foo('test_1')
          try:
              raise TypeError()
          except:
              exc_info_tuple = sys.exc_info()
  
          result = unittest.TestResult()
  
          result.startTest(test)
          result.addError(test, exc_info_tuple)
          result.stopTest(test)
  
          self.failIf(result.wasSuccessful())
          self.assertEqual(len(result.errors), 1)
          self.assertEqual(len(result.failures), 0)
          self.assertEqual(result.testsRun, 1)
          self.assertEqual(result.shouldStop, False)
  
          test_case, formatted_exc = result.errors[0]
          self.failUnless(test_case is test)
          self.failUnless(isinstance(formatted_exc, str))
  
  ### Support code for Test_TestCase
  ################################################################
  
  class Foo(unittest.TestCase):
      def runTest(self): pass
      def test1(self): pass
  
  class Bar(Foo):
      def test2(self): pass
  
  ################################################################
  ### /Support code for Test_TestCase
  
  class Test_TestCase(TestCase, TestEquality, TestHashing):
  
      ### Set up attributes used by inherited tests
      ################################################################
  
      # Used by TestHashing.test_hash and TestEquality.test_eq
      eq_pairs = [(Foo('test1'), Foo('test1'))]
  
      # Used by TestEquality.test_ne
      ne_pairs = [(Foo('test1'), Foo('runTest'))
                 ,(Foo('test1'), Bar('test1'))
                 ,(Foo('test1'), Bar('test2'))]
  
      ################################################################
      ### /Set up attributes used by inherited tests
  
  
      # "class TestCase([methodName])"
      # ...
      # "Each instance of TestCase will run a single test method: the
      # method named methodName."
      # ...
      # "methodName defaults to "runTest"."
      #
      # Make sure it really is optional, and that it defaults to the proper
      # thing.
      def test_init__no_test_name(self):
          class Test(unittest.TestCase):
              def runTest(self): raise MyException()
              def test(self): pass
  
          self.assertEqual(Test().id()[-13:], '.Test.runTest')
  
      # "class TestCase([methodName])"
      # ...
      # "Each instance of TestCase will run a single test method: the
      # method named methodName."
      def test_init__test_name__valid(self):
          class Test(unittest.TestCase):
              def runTest(self): raise MyException()
              def test(self): pass
  
          self.assertEqual(Test('test').id()[-10:], '.Test.test')
  
      # "class TestCase([methodName])"
      # ...
      # "Each instance of TestCase will run a single test method: the
      # method named methodName."
      def test_init__test_name__invalid(self):
          class Test(unittest.TestCase):
              def runTest(self): raise MyException()
              def test(self): pass
  
          try:
              Test('testfoo')
          except ValueError:
              pass
          else:
              self.fail("Failed to raise ValueError")
  
      # "Return the number of tests represented by the this test object. For
      # TestCase instances, this will always be 1"
      def test_countTestCases(self):
          class Foo(unittest.TestCase):
              def test(self): pass
  
          self.assertEqual(Foo('test').countTestCases(), 1)
  
      # "Return the default type of test result object to be used to run this
      # test. For TestCase instances, this will always be
      # unittest.TestResult;  subclasses of TestCase should
      # override this as necessary."
      def test_defaultTestResult(self):
          class Foo(unittest.TestCase):
              def runTest(self):
                  pass
  
          result = Foo().defaultTestResult()
          self.assertEqual(type(result), unittest.TestResult)
  
      # "When a setUp() method is defined, the test runner will run that method
      # prior to each test. Likewise, if a tearDown() method is defined, the
      # test runner will invoke that method after each test. In the example,
      # setUp() was used to create a fresh sequence for each test."
      #
      # Make sure the proper call order is maintained, even if setUp() raises
      # an exception.
      def test_run_call_order__error_in_setUp(self):
          events = []
          result = LoggingResult(events)
  
          class Foo(unittest.TestCase):
              def setUp(self):
                  events.append('setUp')
                  raise RuntimeError('raised by Foo.setUp')
  
              def test(self):
                  events.append('test')
  
              def tearDown(self):
                  events.append('tearDown')
  
          Foo('test').run(result)
          expected = ['startTest', 'setUp', 'addError', 'stopTest']
          self.assertEqual(events, expected)
  
      # "When a setUp() method is defined, the test runner will run that method
      # prior to each test. Likewise, if a tearDown() method is defined, the
      # test runner will invoke that method after each test. In the example,
      # setUp() was used to create a fresh sequence for each test."
      #
      # Make sure the proper call order is maintained, even if the test raises
      # an error (as opposed to a failure).
      def test_run_call_order__error_in_test(self):
          events = []
          result = LoggingResult(events)
  
          class Foo(unittest.TestCase):
              def setUp(self):
                  events.append('setUp')
  
              def test(self):
                  events.append('test')
                  raise RuntimeError('raised by Foo.test')
  
              def tearDown(self):
                  events.append('tearDown')
  
          expected = ['startTest', 'setUp', 'test', 'addError', 'tearDown',
                      'stopTest']
          Foo('test').run(result)
          self.assertEqual(events, expected)
  
      # "When a setUp() method is defined, the test runner will run that method
      # prior to each test. Likewise, if a tearDown() method is defined, the
      # test runner will invoke that method after each test. In the example,
      # setUp() was used to create a fresh sequence for each test."
      #
      # Make sure the proper call order is maintained, even if the test signals
      # a failure (as opposed to an error).
      def test_run_call_order__failure_in_test(self):
          events = []
          result = LoggingResult(events)
  
          class Foo(unittest.TestCase):
              def setUp(self):
                  events.append('setUp')
  
              def test(self):
                  events.append('test')
                  self.fail('raised by Foo.test')
  
              def tearDown(self):
                  events.append('tearDown')
  
          expected = ['startTest', 'setUp', 'test', 'addFailure', 'tearDown',
                      'stopTest']
          Foo('test').run(result)
          self.assertEqual(events, expected)
  
      # "When a setUp() method is defined, the test runner will run that method
      # prior to each test. Likewise, if a tearDown() method is defined, the
      # test runner will invoke that method after each test. In the example,
      # setUp() was used to create a fresh sequence for each test."
      #
      # Make sure the proper call order is maintained, even if tearDown() raises
      # an exception.
      def test_run_call_order__error_in_tearDown(self):
          events = []
          result = LoggingResult(events)
  
          class Foo(unittest.TestCase):
              def setUp(self):
                  events.append('setUp')
  
              def test(self):
                  events.append('test')
  
              def tearDown(self):
                  events.append('tearDown')
                  raise RuntimeError('raised by Foo.tearDown')
  
          Foo('test').run(result)
          expected = ['startTest', 'setUp', 'test', 'tearDown', 'addError',
                      'stopTest']
          self.assertEqual(events, expected)
  
      # "This class attribute gives the exception raised by the test() method.
      # If a test framework needs to use a specialized exception, possibly to
      # carry additional information, it must subclass this exception in
      # order to ``play fair'' with the framework.  The initial value of this
      # attribute is AssertionError"
      def test_failureException__default(self):
          class Foo(unittest.TestCase):
              def test(self):
                  pass
  
          self.failUnless(Foo('test').failureException is AssertionError)
  
      # "This class attribute gives the exception raised by the test() method.
      # If a test framework needs to use a specialized exception, possibly to
      # carry additional information, it must subclass this exception in
      # order to ``play fair'' with the framework."
      #
      # Make sure TestCase.run() respects the designated failureException
      def test_failureException__subclassing__explicit_raise(self):
          events = []
          result = LoggingResult(events)
  
          class Foo(unittest.TestCase):
              def test(self):
                  raise RuntimeError()
  
              failureException = RuntimeError
  
          self.failUnless(Foo('test').failureException is RuntimeError)
  
  
          Foo('test').run(result)
          expected = ['startTest', 'addFailure', 'stopTest']
          self.assertEqual(events, expected)
  
      # "This class attribute gives the exception raised by the test() method.
      # If a test framework needs to use a specialized exception, possibly to
      # carry additional information, it must subclass this exception in
      # order to ``play fair'' with the framework."
      #
      # Make sure TestCase.run() respects the designated failureException
      def test_failureException__subclassing__implicit_raise(self):
          events = []
          result = LoggingResult(events)
  
          class Foo(unittest.TestCase):
              def test(self):
                  self.fail("foo")
  
              failureException = RuntimeError
  
          self.failUnless(Foo('test').failureException is RuntimeError)
  
  
          Foo('test').run(result)
          expected = ['startTest', 'addFailure', 'stopTest']
          self.assertEqual(events, expected)
  
      # "The default implementation does nothing."
      def test_setUp(self):
          class Foo(unittest.TestCase):
              def runTest(self):
                  pass
  
          # ... and nothing should happen
          Foo().setUp()
  
      # "The default implementation does nothing."
      def test_tearDown(self):
          class Foo(unittest.TestCase):
              def runTest(self):
                  pass
  
          # ... and nothing should happen
          Foo().tearDown()
  
      # "Return a string identifying the specific test case."
      #
      # Because of the vague nature of the docs, I'm not going to lock this
      # test down too much. Really all that can be asserted is that the id()
      # will be a string (either 8-byte or unicode -- again, because the docs
      # just say "string")
      def test_id(self):
          class Foo(unittest.TestCase):
              def runTest(self):
                  pass
  
          self.failUnless(isinstance(Foo().id(), basestring))
  
      # "Returns a one-line description of the test, or None if no description
      # has been provided. The default implementation of this method returns
      # the first line of the test method's docstring, if available, or None."
      def test_shortDescription__no_docstring(self):
          class Foo(unittest.TestCase):
              def runTest(self):
                  pass
  
          self.assertEqual(Foo().shortDescription(), None)
  
      # "Returns a one-line description of the test, or None if no description
      # has been provided. The default implementation of this method returns
      # the first line of the test method's docstring, if available, or None."
      def test_shortDescription__singleline_docstring(self):
          class Foo(unittest.TestCase):
              def runTest(self):
                  "this tests foo"
                  pass
  
          self.assertEqual(Foo().shortDescription(), "this tests foo")
  
      # "Returns a one-line description of the test, or None if no description
      # has been provided. The default implementation of this method returns
      # the first line of the test method's docstring, if available, or None."
      def test_shortDescription__multiline_docstring(self):
          class Foo(unittest.TestCase):
              def runTest(self):
                  """this tests foo
                  blah, bar and baz are also tested"""
                  pass
  
          self.assertEqual(Foo().shortDescription(), "this tests foo")
  
      # "If result is omitted or None, a temporary result object is created
      # and used, but is not made available to the caller"
      def test_run__uses_defaultTestResult(self):
          events = []
  
          class Foo(unittest.TestCase):
              def test(self):
                  events.append('test')
  
              def defaultTestResult(self):
                  return LoggingResult(events)
  
          # Make run() find a result object on its own
          Foo('test').run()
  
          expected = ['startTest', 'test', 'stopTest']
          self.assertEqual(events, expected)
  
  class Test_Assertions(TestCase):
      def test_AlmostEqual(self):
          self.failUnlessAlmostEqual(1.00000001, 1.0)
          self.failIfAlmostEqual(1.0000001, 1.0)
          self.assertRaises(AssertionError,
                            self.failUnlessAlmostEqual, 1.0000001, 1.0)
          self.assertRaises(AssertionError,
                            self.failIfAlmostEqual, 1.00000001, 1.0)
  
          self.failUnlessAlmostEqual(1.1, 1.0, places=0)
          self.assertRaises(AssertionError,
                            self.failUnlessAlmostEqual, 1.1, 1.0, places=1)
  
          self.failUnlessAlmostEqual(0, .1+.1j, places=0)
          self.failIfAlmostEqual(0, .1+.1j, places=1)
          self.assertRaises(AssertionError,
                            self.failUnlessAlmostEqual, 0, .1+.1j, places=1)
          self.assertRaises(AssertionError,
                            self.failIfAlmostEqual, 0, .1+.1j, places=0)
  
  
  
  ######################################################################
  ## Main
  ######################################################################
  
  def test_main():
      test_support.run_unittest(Test_TestCase, Test_TestLoader,
          Test_TestSuite, Test_TestResult, Test_FunctionTestCase,
          Test_Assertions)
  
  if __name__ == "__main__":
      test_main()
  