/[thuban]/branches/WIP-pyshapelib-bramz/test/support.py
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revision 342 by bh, Fri Oct 18 17:28:46 2002 UTC revision 956 by bh, Wed May 21 17:11:17 2003 UTC
# Line 1  Line 1 
1  # Copyright (c) 2002 by Intevation GmbH  # Copyright (c) 2002, 2003 by Intevation GmbH
2  # Authors:  # Authors:
3  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
4  #  #
# Line 46  def initthuban(): Line 46  def initthuban():
46          import thubaninit          import thubaninit
47          _initthuban_done = 1          _initthuban_done = 1
48    
49  def run_suite(suite):  def run_tests():
50      """Run the test suite suite and return the result"""      """Frontend for unittest.main that prints some additional debug information
51      runner = unittest.TextTestRunner(verbosity = 2)  
52      return runner.run(suite)      After calling unittest.main, run the garbage collector and print
53        uncollected objects. Also print any un-unsubscribed messages.
54        """
55        try:
56            unittest.main()
57        finally:
58            # This has to be in a finally clause because unittest.main()
59            # ends with a sys.exit to make sure that the process exits with
60            # an appropriate exit code
61            print_garbage_information()
62    
63    def print_garbage_information():
64        """Print information about things that haven't been cleaned up.
65    
66        Run the garbage collector and print uncollected objects. Also print
67        any un-unsubscribed messages.
68        """
69        import gc, Thuban.Lib.connector
70        gc.collect()
71        if gc.garbage:
72            print
73            print "There are %d uncollected objects:" % len(gc.garbage)
74            print gc.garbage
75        Thuban.Lib.connector._the_connector.print_connections()
76    
77    
78  def create_temp_dir():  def create_temp_dir():
# Line 85  class FileTestMixin: Line 108  class FileTestMixin:
108          return create_temp_dir()          return create_temp_dir()
109    
110    
111    
112    class FileLoadTestCase(unittest.TestCase, FileTestMixin):
113    
114        """Base class for test case that test loading files.
115    
116        This base class provides some common infrastructure for testing the
117        reading of files.
118    
119        Each test case should be its own class derived from this one. There
120        is one file associated with each class. The contents are defined by
121        the file_contents class attribute and its name by the filename
122        method.
123    
124        Derived classes usually only have to provide appropriate values for
125        the file_contents and file_extension class attributes.
126        """
127    
128        file_contents = None
129        file_extension = ""
130    
131        def filename(self):
132            """Return the name of the test file to use.
133    
134            The default implementation simply calls self.volatile_file_name
135            with a basename derived from the class name by stripping off a
136            leading 'test_' and appending self.file_extension.
137            """
138            name = self.__class__.__name__
139            if name.startswith("test_"):
140                name = name[5:]
141            return self.temp_file_name(name + self.file_extension)
142    
143        def setUp(self):
144            """Create the volatile file for the test.
145    
146            Write self.contents (which should be a string) to the file named
147            by self.filename().
148            """
149            filename = self.filename()
150            file = open(filename, "w")
151            file.write(self.file_contents)
152            file.close()
153    
154    
155  class FloatComparisonMixin:  class FloatComparisonMixin:
156    
157      """      """
# Line 158  class SubscriberMixin: Line 225  class SubscriberMixin:
225      def check_messages(self, messages):      def check_messages(self, messages):
226          """Check whether the messages received match the list messages"""          """Check whether the messages received match the list messages"""
227          self.assertEquals(messages, self.received_messages)          self.assertEquals(messages, self.received_messages)
228    
229    class FloatTestCase(unittest.TestCase):
230        """TestCase with methods for testing floating point values"""
231                                                                                                                                                            
232        fp_epsilon = 1e-6
233        fp_inf = float('1e1000')   # FIXME: hack for infinite
234                                                                                                                                                            
235        def assertFloatEqual(self, first, second, msg=None):
236            """Fail if one float is greater than the other + fp_epsilon"""
237            if abs(first) == self.fp_inf:
238                self.assertEqual(first, second, msg)
239            else:
240                self.assert_(self.fp_epsilon > abs(first - second), msg)
241    
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