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102 lines
3.7 KiB
Python
102 lines
3.7 KiB
Python
#!/usr/bin/env python
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"""
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* Copyright (c) 2012. Julien Lengrand-Lambert <jlengrand[at]gmail[dot]com>.
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* Released to public domain under terms of the BSD Simplified license.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the organization nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* See <http://www.opensource.org/licenses/bsd-license>
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Unit tests for the Observer module.
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See README for more information about this Observer implementation
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May coverage be with me
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"""
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import unittest
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import Observer as obs
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class TestObserver(unittest.TestCase):
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"""
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Testing all classes from Observer module
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"""
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def setUp(self):
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"""
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Method called before each test
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"""
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self.myObservable = obs.Observable()
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self.default_mess = "message"
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self.name1 = "myObserver1"
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self.myObserver1 = obs.Observer(self.name1)
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self.name2 = "myObserver2"
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self.myObserver2 = obs.Observer(self.name2)
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pass
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def tearDown(self):
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"""
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Method called after each test
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"""
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pass
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def testObserver(self):
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"""
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Checks for Exception if strange input
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"""
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# Normal behavior
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self.assertEquals(self.myObserver1.name, self.name1)
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self.assertEquals(str(self.myObserver1), self.name1)
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self.assertRaises(TypeError, lambda: obs.Observer(42))
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# tests message and update
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self.assertEquals(self.myObserver1.message, self.default_mess)
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new_message = "new_message"
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self.myObserver1.update(new_message)
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self.assertEquals(self.myObserver1.message, new_message)
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self.assertRaises(TypeError, lambda: self.myObserver1.update([4, 2]))
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self.assertRaises(TypeError, lambda: self.myObserver1.update(None))
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def testObservable(self):
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self.assertRaises(TypeError, lambda: self.myObservable.set_val(42))
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self.assertRaises(TypeError, lambda: self.myObservable.set_val(None))
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val = "luke"
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self.myObservable.set_val(val)
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self.assertEquals(val, self.myObservable.message)
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def testSubscribe(self):
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self.assertEquals(len(self.myObservable.obs_collection), 0)
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self.assertRaises(TypeError, lambda: self.myObservable.subscribe(42))
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self.myObservable.subscribe(self.myObserver1)
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self.assertRaises(ValueError, lambda: self.myObservable.subscribe(self.myObserver1)) # already there
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self.myObservable.subscribe(self.myObserver2)
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self.assertEquals(len(self.myObservable.obs_collection), 2)
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def testUnsubscribe(self):
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self.myObservable.subscribe(self.myObserver1)
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self.myObservable.subscribe(self.myObserver2)
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self.assertEquals(len(self.myObservable.obs_collection), 2)
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self.myObservable.unsubscribe(self.myObserver1)
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self.assertEquals(len(self.myObservable.obs_collection), 1)
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self.assertRaises(ValueError, lambda: self.myObservable.unsubscribe(self.myObserver1)) # already removed
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self.assertRaises(TypeError, lambda: self.myObservable.unsubscribe("Georges"))
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def testNotify(self):
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pass
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if __name__ == '__main__':
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unittest.main() |