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# Copyright (c) 2002 by Intevation GmbH |
# Copyright (c) 2002, 2003 by Intevation GmbH |
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# Authors: |
# Authors: |
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# Bernhard Herzog <[email protected]> |
# Bernhard Herzog <[email protected]> |
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# |
# |
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thisdir = os.path.dirname(__file__) |
thisdir = os.path.dirname(__file__) |
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return os.path.join(thisdir, os.pardir) |
return os.path.join(thisdir, os.pardir) |
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def resource_dir(): |
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return os.path.join(thuban_dir(), "Resources") |
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def add_thuban_dir_to_path(): |
def add_thuban_dir_to_path(): |
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"""Insert the Thuban directory at the beginning of the python path. |
"""Insert the Thuban directory at the beginning of the python path. |
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import thubaninit |
import thubaninit |
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_initthuban_done = 1 |
_initthuban_done = 1 |
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def run_suite(suite): |
def run_tests(): |
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"""Run the test suite suite and return the result""" |
"""Frontend for unittest.main that prints some additional debug information |
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runner = unittest.TextTestRunner(verbosity = 2) |
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return runner.run(suite) |
After calling unittest.main, run the garbage collector and print |
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uncollected objects. Also print any un-unsubscribed messages. |
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""" |
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try: |
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unittest.main() |
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finally: |
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# This has to be in a finally clause because unittest.main() |
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# ends with a sys.exit to make sure that the process exits with |
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# an appropriate exit code |
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print_additional_summary() |
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def print_additional_summary(): |
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"""Print some additional summary information after tests have been run""" |
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print_garbage_information() |
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import xmlsupport |
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xmlsupport.print_summary_message() |
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def print_garbage_information(): |
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"""Print information about things that haven't been cleaned up. |
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Run the garbage collector and print uncollected objects. Also print |
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any un-unsubscribed messages. |
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""" |
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import gc, Thuban.Lib.connector |
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gc.collect() |
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if gc.garbage: |
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print |
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print "There are %d uncollected objects:" % len(gc.garbage) |
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print gc.garbage |
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Thuban.Lib.connector._the_connector.print_connections() |
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def create_temp_dir(): |
def create_temp_dir(): |
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def temp_dir(self): |
def temp_dir(self): |
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"""Return the name of the directory for the temporary files""" |
"""Return the name of the directory for the temporary files""" |
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return create_temp_dir() |
return create_temp_dir() |
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class FileLoadTestCase(unittest.TestCase, FileTestMixin): |
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"""Base class for test case that test loading files. |
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This base class provides some common infrastructure for testing the |
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reading of files. |
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Each test case should be its own class derived from this one. There |
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is one file associated with each class. The contents are defined by |
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the file_contents class attribute and its name by the filename |
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method. |
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Derived classes usually only have to provide appropriate values for |
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the file_contents and file_extension class attributes. |
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""" |
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file_contents = None |
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file_extension = "" |
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def filename(self): |
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"""Return the name of the test file to use. |
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The default implementation simply calls self.volatile_file_name |
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with a basename derived from the class name by stripping off a |
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leading 'test_' and appending self.file_extension. |
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""" |
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name = self.__class__.__name__ |
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if name.startswith("test_"): |
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name = name[5:] |
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return self.temp_file_name(name + self.file_extension) |
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def setUp(self): |
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"""Create the volatile file for the test. |
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Write self.contents (which should be a string) to the file named |
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by self.filename(). |
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""" |
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filename = self.filename() |
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file = open(filename, "w") |
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file.write(self.file_contents) |
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file.close() |
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class FloatComparisonMixin: |
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""" |
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Mixin class for tests comparing floating point numbers. |
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This class provides a few methods for testing floating point |
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operations. |
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""" |
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fp_epsilon = 1e-6 |
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def assertFloatEqual(self, test, value): |
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"""Assert equality of test and value with some tolerance. |
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Assert that the absolute difference between test and value is |
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less than self.fp_epsilon. |
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""" |
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self.assert_(self.fp_epsilon > abs(test - value), |
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"abs(%g - %g) >= %g" % (test, value, self.fp_epsilon)) |
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def assertFloatSeqEqual(self, test, value, epsilon = None): |
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"""Assert equality of the sequences test and value with some tolerance. |
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Assert that the absolute difference between each corresponding |
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value in test and value is less than the optional parameter |
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epsilon. If epsilon is not given use self.fp_epsilon. |
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""" |
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if epsilon is None: |
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epsilon = self.fp_epsilon |
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for i in range(len(test)): |
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self.assert_(epsilon > abs(test[i] - value[i]), |
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"abs(%g - %g) >= %g" % (test[i], value[i], epsilon)) |
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class SubscriberMixin: |
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"""Mixin class for tests for messages sent through the Connector |
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The SubscriberMixin has some methods that can be used as subscribers |
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of events that when called append information about the message into |
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a list of messages received. |
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A derived class should call the clear_messages() method in both its |
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setUp and tearDown methods to clear the list of messages received. |
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""" |
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def clear_messages(self): |
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"""Clear the list of received messages. |
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Call this at least in the tests setUp and tearDown methods. It's |
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important to do it in tearDown too because otherwise there may |
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be cyclic references. |
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""" |
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self.received_messages = [] |
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def subscribe_no_params(self): |
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"""Method for subscriptions without parameters. |
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Add an empty tuple to the list of received messages. |
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""" |
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self.received_messages.append(()) |
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def subscribe_with_params(self, *args): |
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"""Method for subscriptions with parameters. |
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Append the tuple will all arguments to this function (except for |
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the self argument) to the list of received messages. |
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""" |
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self.received_messages.append(args) |
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def check_messages(self, messages): |
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"""Check whether the messages received match the list messages""" |
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self.assertEquals(messages, self.received_messages) |
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class FloatTestCase(unittest.TestCase): |
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"""TestCase with methods for testing floating point values""" |
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fp_epsilon = 1e-6 |
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fp_inf = float('1e1000') # FIXME: hack for infinite |
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def assertFloatEqual(self, first, second, msg=None): |
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"""Fail if one float is greater than the other + fp_epsilon""" |
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if abs(first) == self.fp_inf: |
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self.assertEqual(first, second, msg) |
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else: |
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self.assert_(self.fp_epsilon > abs(first - second), msg) |
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