def testChildIsInChildren(self):
tree, child = Tree(), Tree()
tree.addChild(child)
actual = (child in tree.children())
self.assertTrue(actual)
def testDataIsStored(self):
expected = 1
tree = Tree(expected)
actual = tree.data()
self.assertEquals(expected,actual)
def __init__(self, data = None):
Tree.__init__(self,data)
def testDefaultDataIsNone(self):
tree = Tree()
actual = tree.data()
self.assertEquals(None, actual)
def testAddingAChildDoesMakeAChild(self):
tree = Tree().addChild(Tree())
actual = tree.hasChildren()
self.assertTrue(actual)
def testDefaultNoChildren(self):
tree = Tree()
actual = tree.hasChildren()
self.assertFalse(actual)
