def test_calculations(self):
''' using my json file, tests shortest path, cost, distance, and time '''
json_file = open("test.json")
json_data = json.load(json_file)
json_file.close()
self.graph = Graph()
self.metros = json_data["metros"]
self.routes = json_data["routes"]
self.graph = self.graph.construct_json_graph(self.metros, self.routes)
self.assertEqual(['cityTwo','cityOne','cityFour'] , calculations.shortest_path(self.graph, 'cityTwo', 'cityFour'))
shortest_path = calculations.shortest_path(self.graph, 'cityTwo', 'cityFour')
self.assertEqual(['cityTwo', 'cityOne', 'cityFour'] , shortest_path)
self.assertEqual(8000, calculations.calculate_dist(self.graph, shortest_path))
self.assertEqual(804.0, calculations.calculate_time(self.graph, shortest_path))
self.assertEqual(2550.0, calculations.calculate_cost(self.graph, shortest_path))
def shortest_route_state():
''' uses dijkstra's algorithm '''
start = raw_input(
"Type in the city name you wish to start from or type in -9 to exit\n")
while start != '-9' and start not in graph.vertex_dict:
print "There is no city by that name."
start = raw_input(
"Type in the city name you wish to start from or type in -9 to exit\n"
)
if start == '-9':
exit_state()
dest = raw_input(
"Type in the city name you wish to end at or type in -9 to exit\n")
while dest != '-9' and dest not in graph.vertex_dict:
print "There is no city by that name."
dest = raw_input(
"Type in the city name you wish to end at or type in -9 to exit\n")
if dest == '-9':
exit_state()
route_list = calculations.shortest_path(graph, start, dest)
print "\nThe shortest route is", route_list
print "The total distance of your route is", calculations.calculate_dist(
graph, route_list), "kilometers"
print "The total cost of your route is", calculations.calculate_cost(
graph, route_list), "dollars"
print "The total time of your route is", calculations.calculate_time(
graph, route_list), "minutes\n"
start_state()
def test_calculations(self):
''' using my json file, tests shortest path, cost, distance, and time '''
json_file = open("test.json")
json_data = json.load(json_file)
json_file.close()
self.graph = Graph()
self.metros = json_data["metros"]
self.routes = json_data["routes"]
self.graph = self.graph.construct_json_graph(self.metros, self.routes)
self.assertEqual(['cityTwo', 'cityOne', 'cityFour'],
calculations.shortest_path(self.graph, 'cityTwo',
'cityFour'))
shortest_path = calculations.shortest_path(self.graph, 'cityTwo',
'cityFour')
self.assertEqual(['cityTwo', 'cityOne', 'cityFour'], shortest_path)
self.assertEqual(
8000, calculations.calculate_dist(self.graph, shortest_path))
self.assertEqual(
804.0, calculations.calculate_time(self.graph, shortest_path))
self.assertEqual(
2550.0, calculations.calculate_cost(self.graph, shortest_path))
def shortest_route_state():
''' uses dijkstra's algorithm '''
start = raw_input("Type in the city name you wish to start from or type in -9 to exit\n")
while start != '-9' and start not in graph.vertex_dict:
print "There is no city by that name."
start = raw_input("Type in the city name you wish to start from or type in -9 to exit\n")
if start == '-9':
exit_state()
dest = raw_input("Type in the city name you wish to end at or type in -9 to exit\n")
while dest != '-9' and dest not in graph.vertex_dict:
print "There is no city by that name."
dest = raw_input("Type in the city name you wish to end at or type in -9 to exit\n")
if dest == '-9':
exit_state()
route_list = calculations.shortest_path(graph, start, dest)
print "\nThe shortest route is", route_list
print "The total distance of your route is", calculations.calculate_dist(graph, route_list), "kilometers"
print "The total cost of your route is", calculations.calculate_cost(graph, route_list), "dollars"
print "The total time of your route is", calculations.calculate_time(graph, route_list), "minutes\n"
start_state()