/[thuban]/branches/WIP-pyshapelib-bramz/test/support.py
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revision 596 by bh, Thu Apr 3 11:37:01 2003 UTC revision 1245 by bh, Thu Jun 19 19:29:23 2003 UTC
# Line 21  def thuban_dir(): Line 21  def thuban_dir():
21      thisdir = os.path.dirname(__file__)      thisdir = os.path.dirname(__file__)
22      return os.path.join(thisdir, os.pardir)      return os.path.join(thisdir, os.pardir)
23    
24    def resource_dir():
25        return os.path.join(thuban_dir(), "Resources")
26    
27  def add_thuban_dir_to_path():  def add_thuban_dir_to_path():
28      """Insert the Thuban directory at the beginning of the python path.      """Insert the Thuban directory at the beginning of the python path.
# Line 58  def run_tests(): Line 60  def run_tests():
60          # This has to be in a finally clause because unittest.main()          # This has to be in a finally clause because unittest.main()
61          # ends with a sys.exit to make sure that the process exits with          # ends with a sys.exit to make sure that the process exits with
62          # an appropriate exit code          # an appropriate exit code
63          print_garbage_information()          print_additional_summary()
64    
65    def print_additional_summary():
66        """Print some additional summary information after tests have been run"""
67        print_garbage_information()
68        import xmlsupport
69        xmlsupport.print_summary_message()
70    
71  def print_garbage_information():  def print_garbage_information():
72      """Print information about things that haven't been cleaned up.      """Print information about things that haven't been cleaned up.
# Line 108  class FileTestMixin: Line 116  class FileTestMixin:
116          return create_temp_dir()          return create_temp_dir()
117    
118    
119    
120    class FileLoadTestCase(unittest.TestCase, FileTestMixin):
121    
122        """Base class for test case that test loading files.
123    
124        This base class provides some common infrastructure for testing the
125        reading of files.
126    
127        Each test case should be its own class derived from this one. There
128        is one file associated with each class. The contents are defined by
129        the file_contents class attribute and its name by the filename
130        method.
131    
132        Derived classes usually only have to provide appropriate values for
133        the file_contents and file_extension class attributes.
134        """
135    
136        file_contents = None
137        file_extension = ""
138    
139        def filename(self):
140            """Return the name of the test file to use.
141    
142            The default implementation simply calls self.volatile_file_name
143            with a basename derived from the class name by stripping off a
144            leading 'test_' and appending self.file_extension.
145            """
146            name = self.__class__.__name__
147            if name.startswith("test_"):
148                name = name[5:]
149            return self.temp_file_name(name + self.file_extension)
150    
151        def setUp(self):
152            """Create the volatile file for the test.
153    
154            Write self.contents (which should be a string) to the file named
155            by self.filename().
156            """
157            filename = self.filename()
158            file = open(filename, "w")
159            file.write(self.file_contents)
160            file.close()
161    
162    
163  class FloatComparisonMixin:  class FloatComparisonMixin:
164    
165      """      """
# Line 181  class SubscriberMixin: Line 233  class SubscriberMixin:
233      def check_messages(self, messages):      def check_messages(self, messages):
234          """Check whether the messages received match the list messages"""          """Check whether the messages received match the list messages"""
235          self.assertEquals(messages, self.received_messages)          self.assertEquals(messages, self.received_messages)
236    
237    class FloatTestCase(unittest.TestCase):
238        """TestCase with methods for testing floating point values"""
239                                                                                                                                                            
240        fp_epsilon = 1e-6
241        fp_inf = float('1e1000')   # FIXME: hack for infinite
242                                                                                                                                                            
243        def assertFloatEqual(self, first, second, msg=None):
244            """Fail if one float is greater than the other + fp_epsilon"""
245            if abs(first) == self.fp_inf:
246                self.assertEqual(first, second, msg)
247            else:
248                self.assert_(self.fp_epsilon > abs(first - second), msg)
249    
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