def test_bad_root(self):
c1 = Component(None)
c2 = Component(None)
c3 = Component(None)
self.assertRaises(ComponentError, setattr, c1, 'root', c2)
c1.parent = c2
self.assertEquals(c1.root, c2)
self.assertRaises(ComponentError, setattr, c1, 'root', c3)
def test_bad_root(self):
c1 = Component(None)
c2 = Component(None)
c3 = Component(None)
self.assertRaises(ComponentError, setattr, c1, 'root', c2)
c1.parent = c2
self.assertEquals(c1.root, c2)
self.assertRaises(ComponentError, setattr, c1, 'root', c3)
def test_change_parent(self):
c1 = Component(None)
c2 = Component(None)
c3 = Component(c1)
self.assertEquals(c3.root, c1)
self.assertEquals(c3.parent, c1)
self.assertEquals(c1.children,[c3])
c3.parent = c2
self.assertEquals(c3.root, c2)
self.assertEquals(c3.parent, c2)
self.assertEquals(c2.children,[c3])
self.assertEquals(c1.children,[])
def test_change_parent(self):
c1 = Component(None)
c2 = Component(None)
c3 = Component(c1)
self.assertEquals(c3.root, c1)
self.assertEquals(c3.parent, c1)
self.assertEquals(c1.children, [c3])
c3.parent = c2
self.assertEquals(c3.root, c2)
self.assertEquals(c3.parent, c2)
self.assertEquals(c2.children, [c3])
self.assertEquals(c1.children, [])
