def testDestroy(self):
doc = Document()
n1 = Element(doc, "n1")
n3 = Element(n1, "n2") # not a typo
n3 = Element(n3, "n3")
self.assertTrue(doc.isAlive())
self.assertTrue(n1.isAlive())
self.assertTrue(n3.parent.isAlive())
self.assertTrue(n3.isAlive())
self.assertTrue(doc.rootElement, n1)
n1.destroy()
self.assertTrue(doc.isAlive())
self.assertFalse(n1.isAlive())
self.assertFalse(n3.isAlive())
self.assertTrue(doc.rootElement == None)
with self.assertRaises(RuntimeError):
n2 = n3.parent
doc.destroy()
self.assertFalse(doc.isAlive())
with self.assertRaises(RuntimeError):
n1 = doc.rootElement
n1 = None
with self.assertRaises(AttributeError):
doc = n1.parent
del n3
with self.assertRaises(UnboundLocalError):
n2 = n3.parent
doc = Document()
n1 = Element(doc, "n1")
n2 = Element(n1, "n2")
n3 = Element(n1, "n3")
self.assertTrue(doc.isAlive())
self.assertTrue(n1.isAlive())
self.assertTrue(n2.isAlive())
self.assertTrue(n3.isAlive())
self.assertTrue(doc.rootElement == n1)
self.assertTrue(n1.firstChild == n2)
self.assertTrue(n1.lastChild == n3)
del n2
self.assertTrue(n1.firstChild.isAlive())
n1 = None
self.assertTrue(doc.rootElement.isAlive())
self.assertTrue(doc.rootElement.firstChild.isAlive())
self.assertTrue(n3.isAlive())
doc = None
self.assertFalse(n3.isAlive())
doc = Document()
n1 = Element(doc, "n1")
del doc
self.assertFalse(n1.isAlive())
def testDestroy(self):
doc = Document()
n1 = Element(doc, "n1")
n3 = Element(n1, "n2") # not a typo
n3 = Element(n3, "n3")
self.assertTrue(doc.isAlive())
self.assertTrue(n1.isAlive())
self.assertTrue(n3.parent.isAlive())
self.assertTrue(n3.isAlive())
self.assertTrue(doc.rootElement, n1)
n1.destroy()
self.assertTrue(doc.isAlive())
self.assertFalse(n1.isAlive())
self.assertFalse(n3.isAlive())
self.assertTrue(doc.rootElement == None)
with self.assertRaises(NotAliveError):
n2 = n3.parent
doc.destroy()
self.assertFalse(doc.isAlive())
with self.assertRaises(NotAliveError):
n1 = doc.rootElement
n1 = None
with self.assertRaises(AttributeError):
doc = n1.parent
del n3
with self.assertRaises(UnboundLocalError):
n2 = n3.parent
doc = Document()
n1 = Element(doc, "n1")
n2 = Element(n1, "n2")
n3 = Element(n1, "n3")
self.assertTrue(doc.isAlive())
self.assertTrue(n1.isAlive())
self.assertTrue(n2.isAlive())
self.assertTrue(n3.isAlive())
self.assertTrue(doc.rootElement == n1)
self.assertTrue(n1.firstChild == n2)
self.assertTrue(n1.lastChild == n3)
del n2
self.assertTrue(n1.firstChild.isAlive())
n1 = None
self.assertTrue(doc.rootElement.isAlive())
self.assertTrue(doc.rootElement.firstChild.isAlive())
self.assertTrue(n3.isAlive())
doc = None
self.assertFalse(n3.isAlive())
doc = Document()
n1 = Element(doc, "n1")
del doc
self.assertFalse(n1.isAlive())
doc = Document()
root = Element(doc, "root")
n1 = Element(root, "n1")
n2 = Element(root, "n2")
n3 = Element(root, "n3")
n4 = Element(root, "n4")
self.assertEqual(getChildNames(root), ["n1", "n2", "n3", "n4"])
n3.destroy()
self.assertEqual(getChildNames(root), ["n1", "n2", "n4"])
n4.destroy()
self.assertEqual(getChildNames(root), ["n1", "n2"])
n1.destroy()
self.assertEqual(getChildNames(root), ["n2"])
n2.destroy()
self.assertEqual(getChildNames(root), [])
