class WinTest(unittest.TestCase):

    def setUp(self):
        self.widget = HomeWindow("The widget")
    def testResize(self):
        self.assertRaises(ValueError, self.widget.resize, 0,0)
        self.widget.resize(100,150)
        assert self.widget.size() != (100,150), \
               'wrong size after resize'
 def setUp(self):
     self.widget = HomeWindow("The widget")