/[thuban]/branches/WIP-pyshapelib-bramz/test/support.py
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revision 1555 by bh, Thu Aug 7 15:41:05 2003 UTC revision 2624 by bh, Mon May 9 18:36:02 2005 UTC
# Line 1  Line 1 
1  # Copyright (c) 2002, 2003 by Intevation GmbH  # Copyright (c) 2002, 2003, 2004 by Intevation GmbH
2  # Authors:  # Authors:
3  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
4  #  #
# Line 15  __version__ = "$Revision$" Line 15  __version__ = "$Revision$"
15    
16  import os, sys  import os, sys
17  import unittest  import unittest
18    import traceback
19    
20    import postgissupport
21    
22    
23  def thuban_dir():  def thuban_dir():
24      """Return the directory containing the Thuban package"""      """Return the directory containing the Thuban package"""
# Line 44  def initthuban(): Line 48  def initthuban():
48      """      """
49      global _initthuban_done      global _initthuban_done
50      if not _initthuban_done:      if not _initthuban_done:
51            # Thuban uses gettext to translate some strings. Some of these
52            # strings are tested for equality in some test cases. So we
53            # unset any LANG environment setting to make sure only the
54            # untranslated messages are used.
55            try:
56                del os.environ["LANG"]
57            except KeyError:
58                pass
59          add_thuban_dir_to_path()          add_thuban_dir_to_path()
60          import thubaninit          import thubaninit
61    
62            # Install a dummy translation function so that importing
63            # Thuban.UI doesn't install a wx specific one for which would
64            # need to import wxPython
65            import Thuban
66            Thuban.install_translation_function(lambda s: s)
67    
68          _initthuban_done = 1          _initthuban_done = 1
69    
70    
# Line 98  class ThubanTestResult(unittest._TextTes Line 117  class ThubanTestResult(unittest._TextTes
117                  self.stream.writeln()                  self.stream.writeln()
118              self.stream.writeln("Skipped tests:")              self.stream.writeln("Skipped tests:")
119              for reason, tests in self.skipped_tests.items():              for reason, tests in self.skipped_tests.items():
120                  self.stream.writeln("%s:" % reason)                  self.stream.writeln("  %s:" % reason)
121                  for test in tests:                  for test in tests:
122                      self.stream.writeln("    " + test.id())                      self.stream.writeln("    " + test.id())
123          unittest._TextTestResult.printErrors(self)          unittest._TextTestResult.printErrors(self)
124    
125        def getDescription(self, test):
126            return test.id()
127    
128    
129  class ThubanTestRunner(unittest.TextTestRunner):  class ThubanTestRunner(unittest.TextTestRunner):
130    
# Line 119  class ThubanTestProgram(unittest.TestPro Line 141  class ThubanTestProgram(unittest.TestPro
141    
142      def runTests(self):      def runTests(self):
143          """Extend inherited method so that we use a ThubanTestRunner"""          """Extend inherited method so that we use a ThubanTestRunner"""
         print "ThubanTestProgram.runTests"  
144          self.testRunner = ThubanTestRunner(verbosity = self.verbosity)          self.testRunner = ThubanTestRunner(verbosity = self.verbosity)
145          unittest.TestProgram.runTests(self)          unittest.TestProgram.runTests(self)
146    
147    
148  def run_tests():  def execute_as_testsuite(callable, *args, **kw):
149      """Frontend for unittest.main that prints some additional debug information      """Call callable  with args as if it were the entry point to the test suite
150    
151      After calling unittest.main, run the garbage collector and print      Return watever callable returns.
152      uncollected objects. Also print any un-unsubscribed messages.  
153        This is a helper function for run_tests and runtests.py. Call
154        callable in a try-finally block and run some cleanup and print some
155        additional information in the finally block.
156    
157        The additionaly information include:
158    
159         - A list of uncollected objects (after an explicit garbage
160           collector call)
161    
162         - any unsubscribed messages
163      """      """
164      try:      try:
165          ThubanTestProgram()          return callable(*args, **kw)
166      finally:      finally:
167          # This has to be in a finally clause because unittest.main()          # This has to be in a finally clause because unittest.main()
168          # 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
169          # an appropriate exit code          # an appropriate exit code
170    
171            # Shutdown the postgis server if it's running
172            try:
173                postgissupport.shutdown_test_server()
174            except:
175                traceback.print_exc()
176    
177            # Print additional information
178          print_additional_summary()          print_additional_summary()
179    
180    def run_tests():
181        """Frontend for unittest.main that prints some additional debug information
182    
183        After calling unittest.main, run the garbage collector and print
184        uncollected objects. Also print any un-unsubscribed messages.
185        """
186        execute_as_testsuite(ThubanTestProgram)
187    
188    
189  def print_additional_summary():  def print_additional_summary():
190      """Print some additional summary information after tests have been run"""      """Print some additional summary information after tests have been run"""
191      print_garbage_information()      print_garbage_information()
# Line 150  def print_garbage_information(): Line 198  def print_garbage_information():
198      Run the garbage collector and print uncollected objects. Also print      Run the garbage collector and print uncollected objects. Also print
199      any un-unsubscribed messages.      any un-unsubscribed messages.
200      """      """
201        # this function may be called indirectly from test cases that test
202        # test support modules which do not use anything from thuban itself,
203        # so we call initthuban so that we can import the connector module
204        initthuban()
205      import gc, Thuban.Lib.connector      import gc, Thuban.Lib.connector
206      gc.collect()      gc.collect()
207      if gc.garbage:      if gc.garbage:
# Line 216  class FileLoadTestCase(unittest.TestCase Line 268  class FileLoadTestCase(unittest.TestCase
268      def filename(self):      def filename(self):
269          """Return the name of the test file to use.          """Return the name of the test file to use.
270    
271          The default implementation simply calls self.volatile_file_name          The default implementation simply calls self.temp_file_name with
272          with a basename derived from the class name by stripping off a          a basename derived from the class name by stripping off a
273          leading 'test_' and appending self.file_extension.          leading 'test_' and appending self.file_extension.
274          """          """
275          name = self.__class__.__name__          name = self.__class__.__name__
# Line 248  class FloatComparisonMixin: Line 300  class FloatComparisonMixin:
300    
301      fp_epsilon = 1e-6      fp_epsilon = 1e-6
302      fp_inf = float('1e1000')   # FIXME: hack for infinite      fp_inf = float('1e1000')   # FIXME: hack for infinite
303        
304      def assertFloatEqual(self, test, value, epsilon = None):      def assertFloatEqual(self, test, value, epsilon = None):
305          """Assert equality of test and value with some tolerance.          """Assert equality of test and value with some tolerance.
306    
# Line 270  class FloatComparisonMixin: Line 322  class FloatComparisonMixin:
322          value in test and value is less than the optional parameter          value in test and value is less than the optional parameter
323          epsilon. If epsilon is not given use self.fp_epsilon.          epsilon. If epsilon is not given use self.fp_epsilon.
324          """          """
325            self.assertEquals(len(test), len(value))
326          for i in range(len(test)):          for i in range(len(test)):
327              self.assertFloatEqual(test[i], value[i], epsilon)              self.assertFloatEqual(test[i], value[i], epsilon)
328    
329        def assertPointListEquals(self, test, value):
330            """Assert equality of two lists of lists of tuples of float
331    
332            This assertion is usually used to compare the geometry of shapes
333            as returned by a Shape object's Points() method, hence the name.
334            """
335            for i in range(len(test)):
336                self.assertEquals(len(test[i]), len(value[i]))
337                for j in range(len(test[i])):
338                    self.assertFloatSeqEqual(test[i][j], value[i][j])
339    
340    
341  class SubscriberMixin:  class SubscriberMixin:
342    
343      """Mixin class for tests for messages sent through the Connector      """Mixin class for tests for messages sent through the Connector
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