/[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 1739 by bh, Tue Sep 23 12:25:56 2003 UTC
# 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          _initthuban_done = 1          _initthuban_done = 1
# Line 98  class ThubanTestResult(unittest._TextTes Line 110  class ThubanTestResult(unittest._TextTes
110                  self.stream.writeln()                  self.stream.writeln()
111              self.stream.writeln("Skipped tests:")              self.stream.writeln("Skipped tests:")
112              for reason, tests in self.skipped_tests.items():              for reason, tests in self.skipped_tests.items():
113                  self.stream.writeln("%s:" % reason)                  self.stream.writeln("  %s:" % reason)
114                  for test in tests:                  for test in tests:
115                      self.stream.writeln("    " + test.id())                      self.stream.writeln("    " + test.id())
116          unittest._TextTestResult.printErrors(self)          unittest._TextTestResult.printErrors(self)
# Line 119  class ThubanTestProgram(unittest.TestPro Line 131  class ThubanTestProgram(unittest.TestPro
131    
132      def runTests(self):      def runTests(self):
133          """Extend inherited method so that we use a ThubanTestRunner"""          """Extend inherited method so that we use a ThubanTestRunner"""
         print "ThubanTestProgram.runTests"  
134          self.testRunner = ThubanTestRunner(verbosity = self.verbosity)          self.testRunner = ThubanTestRunner(verbosity = self.verbosity)
135          unittest.TestProgram.runTests(self)          unittest.TestProgram.runTests(self)
136    
137    
138  def run_tests():  def execute_as_testsuite(callable, *args, **kw):
139      """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
140    
141      After calling unittest.main, run the garbage collector and print      Return watever callable returns.
142      uncollected objects. Also print any un-unsubscribed messages.  
143        This is a helper function for run_tests and runtests.py. Call
144        callable in a try-finally block and run some cleanup and print some
145        additional information in the finally block.
146    
147        The additionaly information include:
148    
149         - A list of uncollected objects (after an explicit garbage
150           collector call)
151    
152         - any unsubscribed messages
153      """      """
154      try:      try:
155          ThubanTestProgram()          return callable(*args, **kw)
156      finally:      finally:
157          # This has to be in a finally clause because unittest.main()          # This has to be in a finally clause because unittest.main()
158          # 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
159          # an appropriate exit code          # an appropriate exit code
160    
161            # Shutdown the postgis server if it's running
162            try:
163                postgissupport.shutdown_test_server()
164            except:
165                traceback.print_exc()
166    
167            # Print additional information
168          print_additional_summary()          print_additional_summary()
169    
170    def run_tests():
171        """Frontend for unittest.main that prints some additional debug information
172    
173        After calling unittest.main, run the garbage collector and print
174        uncollected objects. Also print any un-unsubscribed messages.
175        """
176        execute_as_testsuite(ThubanTestProgram)
177    
178    
179  def print_additional_summary():  def print_additional_summary():
180      """Print some additional summary information after tests have been run"""      """Print some additional summary information after tests have been run"""
181      print_garbage_information()      print_garbage_information()
# Line 150  def print_garbage_information(): Line 188  def print_garbage_information():
188      Run the garbage collector and print uncollected objects. Also print      Run the garbage collector and print uncollected objects. Also print
189      any un-unsubscribed messages.      any un-unsubscribed messages.
190      """      """
191        # this function may be called indirectly from test cases that test
192        # test support modules which do not use anything from thuban itself,
193        # so we call initthuban so that we can import the connector module
194        initthuban()
195      import gc, Thuban.Lib.connector      import gc, Thuban.Lib.connector
196      gc.collect()      gc.collect()
197      if gc.garbage:      if gc.garbage:
# Line 248  class FloatComparisonMixin: Line 290  class FloatComparisonMixin:
290    
291      fp_epsilon = 1e-6      fp_epsilon = 1e-6
292      fp_inf = float('1e1000')   # FIXME: hack for infinite      fp_inf = float('1e1000')   # FIXME: hack for infinite
293        
294      def assertFloatEqual(self, test, value, epsilon = None):      def assertFloatEqual(self, test, value, epsilon = None):
295          """Assert equality of test and value with some tolerance.          """Assert equality of test and value with some tolerance.
296    
# Line 270  class FloatComparisonMixin: Line 312  class FloatComparisonMixin:
312          value in test and value is less than the optional parameter          value in test and value is less than the optional parameter
313          epsilon. If epsilon is not given use self.fp_epsilon.          epsilon. If epsilon is not given use self.fp_epsilon.
314          """          """
315            self.assertEquals(len(test), len(value))
316          for i in range(len(test)):          for i in range(len(test)):
317              self.assertFloatEqual(test[i], value[i], epsilon)              self.assertFloatEqual(test[i], value[i], epsilon)
318    
319        def assertPointListEquals(self, test, value):
320            """Assert equality of two lists of lists of tuples of float
321    
322            This assertion is usually used to compare the geometry of shapes
323            as returned by a Shape object's Points() method, hence the name.
324            """
325            for i in range(len(test)):
326                self.assertEquals(len(test[i]), len(value[i]))
327                for j in range(len(test[i])):
328                    self.assertFloatSeqEqual(test[i][j], value[i][j])
329    
330    
331  class SubscriberMixin:  class SubscriberMixin:
332    
333      """Mixin class for tests for messages sent through the Connector      """Mixin class for tests for messages sent through the Connector
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