def testbasics(self):
test_graph = Graphs()
self.assertFalse(test_graph.addEdge("A", "B"))
test_graph.addVertex("A")
self.assertFalse(test_graph.addEdge("A", "B"))
test_graph.addVertex("B")
checkgrpah = {"A": ["B"], "B": ["A"]}
test_graph.addEdge("A", "B")
self.assertEqual(checkgrpah, test_graph.returnGraph())
test_graph.addVertex("C")
test_graph.addVertex("D")
test_graph.addEdge("A", "C")
test_graph.addEdge("A", "D")
test_graph.addEdge("B", "C")
test_graph.addEdge("B", "D")
test_graph.addEdge("C", "D")
test_graph.addEdge("C", "C")
test_graph.removeVertex("D")
checkgrpah = {"A": ["B", "C"], "B": ["A", "C"], "C": ["A", "B"]}
self.assertEqual(checkgrpah, test_graph.returnGraph())
