def test_equality_when_identical(self):
node = UnaryNode(Operator.relation, Node(Operator.relation))
same = node
self.assertTrue(node == same)
def test_equality_when_same_operator_and_name(self):
node = Node(Operator.relation, 'borg')
twin = Node(Operator.relation, 'borg')
self.assertTrue(node == twin)
def test_non_equality_when_different_name(self):
node = Node(Operator.relation, 'borg')
other = Node(Operator.relation, 'other')
self.assertTrue(node != other)
def test_equality_when_identical(self):
node = Node(Operator.relation, 'borg')
same = node
self.assertTrue(node == same)
def test_attributes_from_init_when_none(self):
actual = Node(Operator.relation, None).attributes
self.assertIsNone(actual)
def test_name_when_init_has_name(self):
expected = 'alpha'
actual = Node(Operator.relation, 'alpha').name
self.assertEqual(expected, actual)
def test_name_when_init_has_none(self):
node = Node(Operator.relation, None)
self.assertIsNone(node.name)
def test_operator_from_init(self):
expected = Operator.relation
actual = Node(Operator.relation, None).operator
self.assertEqual(expected, actual)