def test_shortest_path(self): graph = Graph() verticies = ["1", "2", "3", "4", "5"] edges = [ ("1", "2"), ("1", "4"), ("2", "3"), ("2", "4"), ("2", "5"), ("3", "5"), ] # add verticies to path for vertex in verticies: graph.add_vertex(vertex) # add edges to graph for tuple_edge in edges: graph.add_edge(tuple_edge[0], tuple_edge[1]) from_vertex = "1" to_vertex = "5" output = graph.breadth_first_search(from_vertex, to_vertex) expected_output = {'2': '1', '4': '1', '3': '2', '5': '2'} # output is used to calculate the shortest path self.assertEqual(output, expected_output)
def new(cls, bot, update, args): param1 = args[0] # param2 = args[1] # user = User(chat=update.message.chat_id, screen_name='{}'.format(text), # friends='', tweet_id='') api = cls.auth() user_info1 = api.GetUser(screen_name=param1) # user_info2 = api.GetUser(screen_name=param2) friends1 = api.GetFriends(screen_name=param1) # friends2 = api.GetFriends(screen_name=param2) # print([s.text for s in statuses]) graph = Graph() graph2 = Graph() # db.session.add(user) # db.session.commit() user_ids = [] for s in islice(friends1, 5): current_friend_id = s.AsDict().get('id') print(current_friend_id) graph.add_vertex(current_friend_id) graph.add_edge({user_info1.AsDict().get('id'), current_friend_id}) # friends_of_current_friend = api.GetFriends(screen_name=s.AsDict().get('screen_name')) # for s in friends_of_current_friend: # graph.add_edge({ # current_friend_id, # s.AsDict().get('id') # }) # user_id = s.AsDict().get('id') # user_ids.append(user_id) # for s in friends2: # graph.add_vertex(s.AsDict().get('id')) # graph2.add_edge({ # user_info2.AsDict().get('id'), # s.AsDict().get('id') # }) # user_id = s.AsDict().get('id') # user_ids.append(user_id) # for user_id in user_ids: # current = api.GetUser(user_id=user_id) print(graph.edges()) print( '\n ---------------------------------------------------------------------------------------- \n' ) print(graph2.edges()) bot.send_message(chat_id=update.message.chat_id, text="abigo stoaki:" + str())
def test_add_edge(self): vertex_a = "A" vertex_b = "B" graph = Graph() graph.add_vertex(vertex_a) graph.add_vertex(vertex_b) graph.add_edge(vertex_a, vertex_b) self.assertEqual(graph.num_edges, 1) vertex_a_obj = graph.vert_dict[vertex_a] vertex_b_obj = graph.vert_dict[vertex_b] # check if vertex_a & vertex_b are neighbours of each other. self.assertIn(vertex_a_obj, vertex_b_obj.neighbours) self.assertIn(vertex_b_obj, vertex_a_obj.neighbours)
def test_eulerian(self): """ Creates an undirected graph thatdoes contain a Eulerian cycle. """ vertex_a = "A" vertex_b = "B" vertex_c = "C" vertex_d = "D" vertex_e = "E" graph = Graph() graph.add_vertex(vertex_a) graph.add_vertex(vertex_b) graph.add_vertex(vertex_c) graph.add_vertex(vertex_d) graph.add_vertex(vertex_e) graph.add_edge(vertex_a, vertex_b) graph.add_edge(vertex_a, vertex_e) graph.add_edge(vertex_b, vertex_c) graph.add_edge(vertex_c, vertex_d) graph.add_edge(vertex_d, vertex_e) self.assertEqual(graph.is_eulerian(), True)