class TestRemoveVertex(unittest.TestCase):
def setUp(self):
self.graph = Graph()
#RemoveVertex(...)
def test_RemoveVertex_RemoveOne(self):
self.graph.AddVertex((1, 'test'))
self.graph.RemoveVertex(1)
self.assertEqual(0, len(self.graph.adj_list))
self.assertEqual(0, len(self.graph.payloads))
def test_RemoveVertex_RemoveDoesNotExist(self):
self.graph.AddVertex((1, 'test'))
self.graph.RemoveVertex(2)
self.assertEqual(1, len(self.graph.adj_list))
self.assertEqual(1, len(self.graph.payloads))
def test_RemoveVertex_RemoveTwoUnconnected(self):
self.graph.AddVertex((1, 'test'))
self.graph.AddVertex((2, 'test'))
self.graph.RemoveVertex(1)
self.graph.RemoveVertex(2)
self.assertEqual(0, len(self.graph.adj_list))
self.assertEqual(0, len(self.graph.payloads))
def test_RemoveVertex_RemoveTwoConnected(self):
self.graph.AddVertex((1, 'test'))
self.graph.AddVertex((2, 'test'), 1)
self.graph.RemoveVertex(1)
self.graph.RemoveVertex(2)
self.assertEqual(0, len(self.graph.adj_list))
self.assertEqual(0, len(self.graph.payloads))
def test_RemoveVertex_RemoveTwoConnectedStackOrder(self):
self.graph.AddVertex((1, 'test'))
self.graph.AddVertex((2, 'test'), 1)
self.graph.RemoveVertex(2)
self.graph.RemoveVertex(1)
self.assertEqual(0, len(self.graph.adj_list))
self.assertEqual(0, len(self.graph.payloads))
class TestAddVertex(unittest.TestCase):
def setUp(self):
self.graph = Graph()
def test_AddVertex_AddOne(self):
self.graph.AddVertex((1, 'test'))
self.assertEqual(1, len(self.graph.adj_list))
self.assertEqual(1, len(self.graph.payloads))
def test_AddVertex_AddTwoUnconnected(self):
self.graph.AddVertex((1, 'test'))
self.graph.AddVertex((2, 'test'))
self.assertEqual(2, len(self.graph.adj_list))
self.assertEqual(2, len(self.graph.payloads))
def test_AddVertex_AddTwoConnected(self):
node_00 = (1, 'test')
self.graph.AddVertex(node_00)
node_01 = (2, 'test')
self.graph.AddVertex(node_01, 1) #hmmm is this a sign that passing a whole node makes more sense to the user?
self.assertTrue(1 in self.graph.adj_list[2])
self.assertTrue(2 in self.graph.adj_list[1])
def test_AddVertex_ConnectToSelf(self):
self.graph.AddVertex((1, 'test'), 1)
self.assertFalse(1 in self.graph.adj_list[1])
def test_AddVertex_ConnectToListDistinct(self):
add_us = []
for ii in range(10):
add_us.append(ii)
self.graph.AddVertex((ii, 'test'))
self.graph.AddVertex((11, 'test'), add_us)
for ii in range(10):
self.assertTrue(ii in self.graph.adj_list[11])
self.assertEqual(10, len(self.graph.adj_list[11]))
