class TestDocumentType(TestCase):
def setUp(self):
self.dtype = DocumentType()
self.node = Node()
def test_nodename(self):
self.assertEqual(self.dtype.nodeName, 'html')
self.assertEqual(self.dtype.name, 'html')
def test_parent(self):
self.node.appendChild(self.dtype)
self.assertIs(self.node, self.dtype.parentNode)
def test_html(self):
self.assertEqual(self.dtype.html, '<!DOCTYPE html>')
class TestDocumentType(TestCase):
def setUp(self):
self.dtype = DocumentType()
self.node = Node()
def test_nodename(self):
self.assertEqual(self.dtype.nodeName, 'html')
self.assertEqual(self.dtype.name, 'html')
def test_parent(self):
self.node.appendChild(self.dtype)
self.assertIs(self.node, self.dtype.parentNode)
def test_html(self):
self.assertEqual(self.dtype.html, '<!DOCTYPE html>')
class TestText(TestCase):
def setUp(self):
self.node = Node()
self.df = DocumentFragment()
self.tnode = Text('text')
def test_nodename(self):
self.assertEqual(self.tnode.nodeName, '#text')
def test_html_escape(self):
self.assertEqual(self.tnode.html, 'text')
self.tnode.textContent = '<'
# not escape it has no parent
self.assertEqual(self.tnode.html, '<')
self.df.appendChild(self.tnode)
# escape its parent is DocumentFragment or Element or...
self.assertEqual(self.tnode.html, '<')
self.assertEqual(Text('<', parent=self.df).html, '<')
self.assertEqual(Text('>', parent=self.df).html, '>')
self.assertEqual(Text('&', parent=self.df).html, '&')
self.assertEqual(Text('"', parent=self.df).html, '"')
self.assertEqual(Text('\'', parent=self.df).html, ''')
def test_appned(self):
self.node.appendChild(self.tnode)
self.assertTrue(self.node.hasChildNodes())
self.assertIs(self.tnode.parentNode, self.node)
node1 = Node()
node2 = Node()
self.node.appendChild(node1)
self.assertIs(self.tnode.nextSibling, node1)
self.assertIs(self.tnode, node1.previousSibling)
self.node.insertBefore(node2, self.tnode)
self.assertIs(self.tnode.previousSibling, node2)
self.assertIs(self.tnode, node2.nextSibling)
class TestText(TestCase):
def setUp(self):
self.node = Node()
self.df = DocumentFragment()
self.tnode = Text('text')
def test_nodename(self):
self.assertEqual(self.tnode.nodeName, '#text')
def test_html_escape(self):
self.assertEqual(self.tnode.html, 'text')
self.tnode.textContent = '<'
# not escape it has no parent
self.assertEqual(self.tnode.html, '<')
self.df.appendChild(self.tnode)
# escape its parent is DocumentFragment or Element or...
self.assertEqual(self.tnode.html, '<')
self.assertEqual(Text('<', parent=self.df).html, '<')
self.assertEqual(Text('>', parent=self.df).html, '>')
self.assertEqual(Text('&', parent=self.df).html, '&')
self.assertEqual(Text('"', parent=self.df).html, '"')
self.assertEqual(Text('\'', parent=self.df).html, ''')
def test_appned(self):
self.node.appendChild(self.tnode)
self.assertTrue(self.node.hasChildNodes())
self.assertIs(self.tnode.parentNode, self.node)
node1 = Node()
node2 = Node()
self.node.appendChild(node1)
self.assertIs(self.tnode.nextSibling, node1)
self.assertIs(self.tnode, node1.previousSibling)
self.node.insertBefore(node2, self.tnode)
self.assertIs(self.tnode.previousSibling, node2)
self.assertIs(self.tnode, node2.nextSibling)
class TestNode(TestCase):
def setUp(self):
super().setUp()
self.node = Node()
self.c1 = Node()
self.c2 = Node()
self.c3 = Node()
def test_attributes(self):
self.assertFalse(self.node.hasAttributes())
def test_parent(self):
self.assertIsNone(self.node.parentNode)
self.assertIsNone(self.c1.parentNode)
self.node.appendChild(self.c1)
self.assertIs(self.node, self.c1.parentNode)
self.node.removeChild(self.c1)
self.assertIsNone(self.c1.parentNode)
def test_parent_init(self):
node = Node(parent=self.node)
self.assertTrue(self.node.hasChildNodes())
self.assertIs(self.node, node.parentNode)
self.assertFalse(node.hasChildNodes())
def test_addremove_child(self):
self.assertFalse(self.node.hasChildNodes())
self.assertEqual(len(self.node), 0)
self.assertEqual(self.node.length, 0)
appended_child1 = self.node.appendChild(self.c1)
self.assertIs(appended_child1, self.c1)
self.assertTrue(self.node.hasChildNodes())
self.assertEqual(len(self.node), 1)
self.assertEqual(self.node.length, 1)
appended_child2 = self.node.appendChild(self.c2)
self.assertIs(appended_child2, self.c2)
self.assertEqual(len(self.node), 2)
self.assertEqual(self.node.length, 2)
removed_child2 = self.node.removeChild(self.c2)
self.assertIs(removed_child2, self.c2)
self.assertEqual(len(self.node), 1)
self.assertEqual(self.node.length, 1)
self.assertIsNone(self.c2.parentNode)
removed_child1 = self.node.removeChild(self.c1)
self.assertIs(removed_child1, self.c1)
self.assertFalse(self.node.hasChildNodes())
self.assertEqual(len(self.node), 0)
self.assertEqual(self.node.length, 0)
with self.assertRaises(ValueError):
self.node.removeChild(self.c1)
def test_empty(self):
self.node.appendChild(self.c1)
self.assertTrue(self.node.hasChildNodes())
self.node.empty()
self.assertFalse(self.node.hasChildNodes())
self.node.appendChild(self.c1)
self.node.appendChild(self.c2)
self.c1.appendChild(self.c3)
self.assertTrue(self.node.hasChildNodes())
self.node.empty()
self.assertFalse(self.node.hasChildNodes())
self.assertTrue(self.c1.hasChildNodes())
self.assertIsNone(self.c1.parentNode)
def test_insert_before(self):
self.node.appendChild(self.c1)
self.node.appendChild(self.c2)
inserted_node3 = self.node.insertBefore(self.c3, self.c2)
self.assertIs(inserted_node3, self.c3)
self.assertIs(self.c3.parentNode, self.node)
self.assertIs(self.node.childNodes[0], self.c1)
self.assertIs(self.node.childNodes[1], self.c3)
self.assertIs(self.node.childNodes[2], self.c2)
def test_insert_first(self):
self.node.appendChild(self.c1)
self.node.appendChild(self.c2)
inserted_node3 = self.node.insertBefore(self.c3, self.c1)
self.assertIs(inserted_node3, self.c3)
self.assertIs(self.c3.parentNode, self.node)
self.assertIs(self.node.childNodes[0], self.c3)
self.assertIs(self.node.childNodes[1], self.c1)
self.assertIs(self.node.childNodes[2], self.c2)
def test_replace_child(self):
self.node.appendChild(self.c1)
self.assertTrue(self.c1 in self.node)
self.assertFalse(self.c2 in self.node)
replaced_node = self.node.replaceChild(self.c2, self.c1)
self.assertIs(replaced_node, self.c1)
self.assertFalse(self.c1 in self.node)
self.assertTrue(self.c2 in self.node)
self.assertIsNone(self.c1.parentNode)
self.assertIs(self.c2.parentNode, self.node)
def test_first_last_child(self):
self.assertIsNone(self.node.firstChild)
self.assertIsNone(self.node.lastChild)
self.node.appendChild(self.c1)
self.assertIs(self.node.firstChild, self.c1)
self.assertIs(self.node.lastChild, self.c1)
self.node.appendChild(self.c2)
self.assertIs(self.node.firstChild, self.c1)
self.assertIs(self.node.lastChild, self.c2)
def test_siblings(self):
self.assertIsNone(self.node.previousSibling)
self.assertIsNone(self.node.nextSibling)
self.node.appendChild(self.c1)
self.assertIsNone(self.c1.previousSibling)
self.assertIsNone(self.c1.nextSibling)
self.node.appendChild(self.c2)
self.assertIsNone(self.c1.previousSibling)
self.assertIs(self.c1.nextSibling, self.c2)
self.assertIs(self.c2.previousSibling, self.c1)
self.assertIsNone(self.c2.nextSibling)
def _test_shallow_copy(self, clone):
self.assertTrue(self.node.hasChildNodes())
self.assertFalse(clone.hasChildNodes())
self.assertEqual(len(clone), 0)
clone.appendChild(self.c2)
self.assertTrue(clone.hasChildNodes())
self.assertIn(self.c2, clone)
self.assertNotIn(self.c2, self.node)
def test_copy(self):
from copy import copy
self.node.appendChild(self.c1)
clone = copy(self.node)
self._test_shallow_copy(clone)
def test_clone_node_sharrow(self):
self.node.appendChild(self.c1)
clone = self.node.cloneNode()
self._test_shallow_copy(clone)
clone2 = self.node.cloneNode(deep=False)
self._test_shallow_copy(clone2)
def _test_deep_copy(self, clone):
self.assertTrue(clone.hasChildNodes())
self.assertEqual(len(clone), 1)
self.assertIn(self.c1, self.node)
self.assertNotIn(self.c1, clone)
clone.appendChild(self.c2)
self.assertEqual(len(clone), 2)
self.assertEqual(len(self.node), 1)
def test_deepcopy(self):
from copy import deepcopy
self.node.appendChild(self.c1)
clone = deepcopy(self.node)
self._test_deep_copy(clone)
def test_clone_node_deep(self):
self.node.appendChild(self.c1)
clone = self.node.cloneNode(deep=True)
self._test_deep_copy(clone)
def test_owner_document(self):
self.assertIsNone(self.node.ownerDocument)
def test_text_content(self):
self.assertEqual(self.node.textContent, '')
self.node.textContent = 'a'
self.assertEqual(self.node.textContent, 'a')
self.node.textContent = 'b'
self.assertEqual(self.node.textContent, 'b')
self.node.appendChild(self.c1)
self.c1.textContent = 'c1'
self.assertEqual(self.node.textContent, 'bc1')
self.node.textContent = 'd'
self.assertEqual(self.node.textContent, 'd')
self.assertIsNone(self.c1.parentNode)
self.assertEqual(self.c1.textContent, 'c1')
def test_index(self):
self.node.appendChild(self.c1)
self.node.appendChild(self.c2)
self.node.appendChild(self.c3)
self.assertEqual(self.node.index(self.c1), 0)
self.assertEqual(self.node.index(self.c2), 1)
self.assertEqual(self.node.index(self.c3), 2)
self.assertEqual(self.node.childNodes.index(self.c1), 0)
self.assertEqual(self.node.childNodes.index(self.c2), 1)
self.assertEqual(self.node.childNodes.index(self.c3), 2)
class TestNode(TestCase):
def setUp(self):
self.node = Node()
self.c1 = Node()
self.c2 = Node()
self.c3 = Node()
def test_attributes(self):
self.assertFalse(self.node.hasAttributes())
def test_parent(self):
self.assertIsNone(self.node.parentNode)
self.assertIsNone(self.c1.parentNode)
self.node.appendChild(self.c1)
self.assertIs(self.node, self.c1.parentNode)
self.node.removeChild(self.c1)
self.assertIsNone(self.c1.parentNode)
def test_parent_init(self):
node = Node(parent=self.node)
self.assertTrue(self.node.hasChildNodes())
self.assertIs(self.node, node.parentNode)
self.assertFalse(node.hasChildNodes())
def test_addremove_child(self):
self.assertFalse(self.node.hasChildNodes())
self.assertEqual(len(self.node), 0)
self.assertEqual(self.node.length, 0)
appended_child1 = self.node.appendChild(self.c1)
self.assertIs(appended_child1, self.c1)
self.assertTrue(self.node.hasChildNodes())
self.assertEqual(len(self.node), 1)
self.assertEqual(self.node.length, 1)
appended_child2 = self.node.appendChild(self.c2)
self.assertIs(appended_child2, self.c2)
self.assertEqual(len(self.node), 2)
self.assertEqual(self.node.length, 2)
removed_child2 = self.node.removeChild(self.c2)
self.assertIs(removed_child2, self.c2)
self.assertEqual(len(self.node), 1)
self.assertEqual(self.node.length, 1)
self.assertIsNone(self.c2.parentNode)
removed_child1 = self.node.removeChild(self.c1)
self.assertIs(removed_child1, self.c1)
self.assertFalse(self.node.hasChildNodes())
self.assertEqual(len(self.node), 0)
self.assertEqual(self.node.length, 0)
with self.assertRaises(ValueError):
self.node.removeChild(self.c1)
def test_empty(self):
self.node.appendChild(self.c1)
self.assertTrue(self.node.hasChildNodes())
self.node.empty()
self.assertFalse(self.node.hasChildNodes())
self.node.appendChild(self.c1)
self.node.appendChild(self.c2)
self.c1.appendChild(self.c3)
self.assertTrue(self.node.hasChildNodes())
self.node.empty()
self.assertFalse(self.node.hasChildNodes())
self.assertTrue(self.c1.hasChildNodes())
self.assertIsNone(self.c1.parentNode)
def test_insert_before(self):
self.node.appendChild(self.c1)
self.node.appendChild(self.c2)
inserted_node3 = self.node.insertBefore(self.c3, self.c2)
self.assertIs(inserted_node3, self.c3)
self.assertIs(self.c3.parentNode, self.node)
self.assertIs(self.node.childNodes[0], self.c1)
self.assertIs(self.node.childNodes[1], self.c3)
self.assertIs(self.node.childNodes[2], self.c2)
def test_insert_first(self):
self.node.appendChild(self.c1)
self.node.appendChild(self.c2)
inserted_node3 = self.node.insertBefore(self.c3, self.c1)
self.assertIs(inserted_node3, self.c3)
self.assertIs(self.c3.parentNode, self.node)
self.assertIs(self.node.childNodes[0], self.c3)
self.assertIs(self.node.childNodes[1], self.c1)
self.assertIs(self.node.childNodes[2], self.c2)
def test_replace_child(self):
self.node.appendChild(self.c1)
self.assertTrue(self.c1 in self.node)
self.assertFalse(self.c2 in self.node)
replaced_node = self.node.replaceChild(self.c2, self.c1)
self.assertIs(replaced_node, self.c1)
self.assertFalse(self.c1 in self.node)
self.assertTrue(self.c2 in self.node)
self.assertIsNone(self.c1.parentNode)
self.assertIs(self.c2.parentNode, self.node)
def test_first_last_child(self):
self.assertIsNone(self.node.firstChild)
self.assertIsNone(self.node.lastChild)
self.node.appendChild(self.c1)
self.assertIs(self.node.firstChild, self.c1)
self.assertIs(self.node.lastChild, self.c1)
self.node.appendChild(self.c2)
self.assertIs(self.node.firstChild, self.c1)
self.assertIs(self.node.lastChild, self.c2)
def test_siblings(self):
self.assertIsNone(self.node.previousSibling)
self.assertIsNone(self.node.nextSibling)
self.node.appendChild(self.c1)
self.assertIsNone(self.c1.previousSibling)
self.assertIsNone(self.c1.nextSibling)
self.node.appendChild(self.c2)
self.assertIsNone(self.c1.previousSibling)
self.assertIs(self.c1.nextSibling, self.c2)
self.assertIs(self.c2.previousSibling, self.c1)
self.assertIsNone(self.c2.nextSibling)
def _test_shallow_copy(self, clone):
self.assertTrue(self.node.hasChildNodes())
self.assertFalse(clone.hasChildNodes())
self.assertEqual(len(clone), 0)
clone.appendChild(self.c2)
self.assertTrue(clone.hasChildNodes())
self.assertIn(self.c2, clone)
self.assertNotIn(self.c2, self.node)
def test_copy(self):
from copy import copy
self.node.appendChild(self.c1)
clone = copy(self.node)
self._test_shallow_copy(clone)
def test_clone_node_sharrow(self):
self.node.appendChild(self.c1)
clone = self.node.cloneNode()
self._test_shallow_copy(clone)
clone2 = self.node.cloneNode(deep=False)
self._test_shallow_copy(clone2)
def _test_deep_copy(self, clone):
self.assertTrue(clone.hasChildNodes())
self.assertEqual(len(clone), 1)
self.assertIn(self.c1, self.node)
self.assertNotIn(self.c1, clone)
clone.appendChild(self.c2)
self.assertEqual(len(clone), 2)
self.assertEqual(len(self.node), 1)
def test_deepcopy(self):
from copy import deepcopy
self.node.appendChild(self.c1)
clone = deepcopy(self.node)
self._test_deep_copy(clone)
def test_clone_node_deep(self):
self.node.appendChild(self.c1)
clone = self.node.cloneNode(deep=True)
self._test_deep_copy(clone)
def test_owner_document(self):
self.assertIsNone(self.node.ownerDocument)
def test_text_content(self):
self.assertEqual(self.node.textContent, '')
self.node.textContent = 'a'
self.assertEqual(self.node.textContent, 'a')
self.node.textContent = 'b'
self.assertEqual(self.node.textContent, 'b')
self.node.appendChild(self.c1)
self.c1.textContent = 'c1'
self.assertEqual(self.node.textContent, 'bc1')
self.node.textContent = 'd'
self.assertEqual(self.node.textContent, 'd')
self.assertIsNone(self.c1.parentNode)
self.assertEqual(self.c1.textContent, 'c1')
def test_index(self):
self.node.appendChild(self.c1)
self.node.appendChild(self.c2)
self.node.appendChild(self.c3)
self.assertEqual(self.node.index(self.c1), 0)
self.assertEqual(self.node.index(self.c2), 1)
self.assertEqual(self.node.index(self.c3), 2)
self.assertEqual(self.node.childNodes.index(self.c1), 0)
self.assertEqual(self.node.childNodes.index(self.c2), 1)
self.assertEqual(self.node.childNodes.index(self.c3), 2)