bloodhound-trac / trac / util / tests /

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import unittest
from trac.util.subclasses import subclasses

class BaseClass(object):
    """Common base class for tests"""
class SubClass(BaseClass):
    """Common sub class of BaseClass for tests"""

class SubClassTestCase(unittest.TestCase):
    def test_discover_subclass(self):
        subs = list(subclasses(BaseClass))
        self.assertEqual(len(subs), 1)
        self.assertIs(subs[0], SubClass)

    def test_discover_subsubclass(self):
        class SubSubClass(SubClass):
            """Sub class of SubClass"""
        subs = list(subclasses(BaseClass))
        self.assertEqual(len(subs), 2)
        self.assertIn(SubClass, subs)
        self.assertIn(SubSubClass, subs)

def suite():
    suite = unittest.TestSuite()
    suite.addTest(unittest.makeSuite(SubClassTestCase, 'test'))
    return suite

if __name__ == '__main__':
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