예제 #1
0
파일: test_node.py 프로젝트: zy20091082/vgc
    def testReplaceExceptions(self):
        doc = Document()
        root = Element(doc, "root")
        n1 = Element(root, "n1")

        doc2 = Document()
        root2 = Element(doc2, "root2")

        self.assertFalse(n1.canReplace(doc))
        with self.assertRaises(ReplaceDocumentError):
            n1.replace(doc)

        self.assertFalse(doc.canReplace(doc2))
        with self.assertRaises(ReplaceDocumentError):
            doc.replace(doc2)

        self.assertFalse(root.canReplace(root2))
        with self.assertRaises(WrongDocumentError):
            root.replace(root2)

        self.assertFalse(doc.canReplace(n1))
        with self.assertRaises(WrongChildTypeError):
            doc.replace(n1)

        # XXX Once NodeType::Comment is implemented, uncomment the following test.
        #     until then, replace() can never raise SecondRootElementError
        # c1 = Comment(doc, "comment")
        # self.assertFalse(n1.canReplace(c1))
        # with self.assertRaises(SecondRootElementError):
        #     n1.replace(c1)

        self.assertFalse(root.canReplace(n1))
        with self.assertRaises(ChildCycleError):
            root.replace(n1)
예제 #2
0
파일: test_node.py 프로젝트: zy20091082/vgc
    def testReplace(self):
        doc = Document()
        root = Element(doc, "root")
        n1 = Element(root, "n1")
        n2 = Element(root, "n2")
        n3 = Element(root, "n3")
        n4 = Element(root, "n4")
        n21 = Element(n2, "n21")
        n22 = Element(n2, "n22")
        n23 = Element(n2, "n23")
        n31 = Element(n3, "n31")
        n211 = Element(n21, "n211")
        n212 = Element(n21, "n212")

        self.assertTrue(n21.canReplace(n3))
        n21.replace(n3)
        self.assertEqual(getChildNames(root), ["n1", "n2", "n21", "n4"])
        self.assertEqual(getChildNames(n2), ["n22", "n23"])
        self.assertTrue(n21.isAlive())
        self.assertFalse(n3.isAlive())
        self.assertFalse(n31.isAlive())

        self.assertTrue(n2.canReplace(n2))
        n2.replace(n2)
        self.assertEqual(getChildNames(root), ["n1", "n2", "n21", "n4"])
        self.assertEqual(getChildNames(n2), ["n22", "n23"])

        self.assertTrue(n22.canReplace(n2))
        n22.replace(n2)
        self.assertEqual(getChildNames(root), ["n1", "n22", "n21", "n4"])
        self.assertTrue(n22.isAlive())
        self.assertFalse(n2.isAlive())
        self.assertFalse(n23.isAlive())

        self.assertTrue(n21.canReplace(n1))
        n21.replace(n1)
        self.assertEqual(getChildNames(root), ["n21", "n22", "n4"])
        self.assertTrue(n21.isAlive())
        self.assertFalse(n1.isAlive())

        self.assertTrue(n22.canReplace(n4))
        n22.replace(n4)
        self.assertEqual(getChildNames(root), ["n21", "n22"])
        self.assertTrue(n22.isAlive())
        self.assertFalse(n4.isAlive())

        self.assertTrue(root.canReplace(root))
        root.replace(root)
        self.assertEqual(getChildNames(doc), ["root"])
        self.assertEqual(getChildNames(root), ["n21", "n22"])
        self.assertTrue(root.isAlive())

        self.assertTrue(n21.canReplace(root))
        n21.replace(root)
        self.assertEqual(getChildNames(doc), ["n21"])
        self.assertEqual(getChildNames(n21), ["n211", "n212"])
        self.assertTrue(n21.isAlive())
        self.assertFalse(root.isAlive())
        self.assertFalse(n22.isAlive())

        self.assertTrue(doc.canReplace(doc))
        doc.replace(doc)
        self.assertTrue(doc.isAlive())
        self.assertEqual(getChildNames(doc), ["n21"])
        self.assertTrue(n21.isAlive())