def test_shortest_city_to_city_map():
# epsilon = 0.0000000000001
road_map1 = [ ('Alabama', 'Montgomery', '32.361538', '-86.279118'),
('Alaska', 'Juneau', '58.301935', '-134.41974'),
('Arizona', 'Phoenix', '33.448457', '-112.073844'),
('Arkansas', 'Little Rock', '34.736009', '-92.331122'),
('California', 'Sacramento', '38.555605', '-121.468926') ]
road_map1_total_distance = cities.compute_total_distance(road_map1)
new_road_map = cities.shortest_city_to_city_map(road_map1)[ 0 ]
new_total_distance = cities.compute_total_distance(new_road_map)
# Checks that the return value is an improvement.
assert (road_map1_total_distance >= new_total_distance)
def test_find_best_cycle():
# epsilon = 0.0000000000001
road_map1 = [ ('Alabama', 'Montgomery', '32.361538', '-86.279118'),
('Alaska', 'Juneau', '58.301935', '-134.41974'),
('Arizona', 'Phoenix', '33.448457', '-112.073844'),
('Arkansas', 'Little Rock', '34.736009', '-92.331122'),
('California', 'Sacramento', '38.555605', '-121.468926') ]
road_map1_total_distance = 9624.208366999157
new_road_map = cities.find_best_cycle(road_map1)
new_total_distance = cities.compute_total_distance(new_road_map)
# Checks that `new_road_map` is different.
assert road_map1 != new_road_map
# Checks that the return value is an improvement.
assert (road_map1_total_distance > new_total_distance)
# Checks that the `new_total_distance` value is less than the original.
assert new_total_distance < road_map1_total_distance
def test_compute_total_distance(road_map, expected_distance):
original_road_map = copy.copy(road_map)
assert compute_total_distance(road_map) == expected_distance
assert road_map == original_road_map
def test_find_best_cycle3():
x = [('Bath', 'Test', '51.375801','-2.359904'),('Tonbride', 'Test', '51.1953', '0.2736'),('Liverpool', 'Test', '53.41058', '-2.97794'),
('Shefield', 'Test','53.38297','-1.4659')]
y = cities.find_best_cycle(x)
assert cities.compute_total_distance(y) == 487.5137041
def test_find_best_cycle():
x = [('London', 'Greater London', '51.509865', '-0.118092'), ('Brighton', 'Hove', '50.827930', '-0.168749'),
('Southampton','Hampshire', '50.909698','-1.404351'),('Newcastle','Tyne', '54.978754','-1.55899')]
y = cities.find_best_cycle(x)
assert cities.compute_total_distance(y) == 629.0768384
def test_compute_total_cities_2():
x = [('Virginia', 'Richmond', '37.54', '-77.46'),('Washington', 'Olympia', '47.042418', '-122.893077')]
assert cities.compute_total_distance(x) == 4750.276634131717
def test_compute_total_cities():
x = [('Arizona', 'Phoenix', '33.448457', '-112.073844'),('Arkansas', 'Little Rock', '34.736009', '-92.331122'),('California', 'Sacramento', '38.555605', '-121.468926')]
assert cities.compute_total_distance(x) == 3390.822869708566
def testcompute_total_cities_3():
x = [('Nevada', 'Carson City', '39.160949', '-119.753877'), ('New Hampshire', 'Concord', '43.220093', '-71.549127'), ('New Jersey', 'Trenton', '40.221741', '-74.756138'), ('New Mexico', 'Santa Fe', '35.667231', '-105.964575')]
assert cities.compute_total_distance(x) == 5262.1065106189835
def test_compute_total_distance():
epsilon = 0.0000000000001
road_map1 = [ ('Alabama', 'Montgomery', '32.361538', '-86.279118'),
('Alaska', 'Juneau', '58.301935', '-134.41974'),
('Arizona', 'Phoenix', '33.448457', '-112.073844'),
('Arkansas', 'Little Rock', '34.736009', '-92.331122'),
('California', 'Sacramento', '38.555605', '-121.468926') ]
road_map2 = [ ('Kentucky', 'Frankfort', '38.197274', '-84.86311'),
('Louisiana', 'Baton Rouge', '30.45809', '-91.140229'),
('Maine', 'Augusta', '44.323535', '-69.765261'),
('Maryland', 'Annapolis', '38.972945', '-76.501157') ]
road_map3 = [ ('Maryland', 'Annapolis', '38.972945', '-76.501157') ]
road_map4 = [ ('Alabama', 'Montgomery', '32.361538', '-86.279118'),
('Alaska', 'Juneau', '58.301935', '-134.41974'),
('Arizona', 'Phoenix', '33.448457', '-112.073844'),
('Arkansas', 'Little Rock', '34.736009', '-92.331122'),
('California', 'Sacramento', '38.555605', '-121.468926'),
('Colorado', 'Denver', '39.7391667', '-104.984167'),
('Connecticut', 'Hartford', '41.767', '-72.677'),
('Delaware', 'Dover', '39.161921', '-75.526755'),
('Florida', 'Tallahassee', '30.4518', '-84.27277'),
('Georgia', 'Atlanta', '33.76', '-84.39'),
('Hawaii', 'Honolulu', '21.30895', '-157.826182'),
('Idaho', 'Boise', '43.613739', '-116.237651'),
('Illinois', 'Springfield', '39.78325', '-89.650373'),
('Indiana', 'Indianapolis', '39.790942', '-86.147685'),
('Iowa', 'Des Moines', '41.590939', '-93.620866'),
('Kansas', 'Topeka', '39.04', '-95.69'),
('Kentucky', 'Frankfort', '38.197274', '-84.86311'),
('Louisiana', 'Baton Rouge', '30.45809', '-91.140229'),
('Maine', 'Augusta', '44.323535', '-69.765261'),
('Maryland', 'Annapolis', '38.972945', '-76.501157'),
('Massachusetts', 'Boston', '42.2352', '-71.0275'),
('Michigan', 'Lansing', '42.7335', '-84.5467'),
('Minnesota', 'Saint Paul', '44.95', '-93.094'),
('Mississippi', 'Jackson', '32.32', '-90.207'),
('Missouri', 'Jefferson City', '38.572954', '-92.189283'),
('Montana', 'Helana', '46.595805', '-112.027031'),
('Nebraska', 'Lincoln', '40.809868', '-96.675345'),
('Nevada', 'Carson City', '39.160949', '-119.753877'),
('New Hampshire', 'Concord', '43.220093', '-71.549127'),
('New Jersey', 'Trenton', '40.221741', '-74.756138'),
('New Mexico', 'Santa Fe', '35.667231', '-105.964575'),
('New York', 'Albany', '42.659829', '-73.781339'),
('North Carolina', 'Raleigh', '35.771', '-78.638'),
('North Dakota', 'Bismarck', '48.813343', '-100.779004'),
('Ohio', 'Columbus', '39.962245', '-83.000647'),
('Oklahoma', 'Oklahoma City', '35.482309', '-97.534994'),
('Oregon', 'Salem', '44.931109', '-123.029159'),
('Pennsylvania', 'Harrisburg', '40.269789', '-76.875613'),
('Rhode Island', 'Providence', '41.82355', '-71.422132'),
('South Carolina', 'Columbia', '34', '-81.035'),
('South Dakota', 'Pierre', '44.367966', '-100.336378'),
('Tennessee', 'Nashville', '36.165', '-86.784'),
('Texas', 'Austin', '30.266667', '-97.75'),
('Utah', 'Salt Lake City', '40.7547', '-111.892622'),
('Vermont', 'Montpelier', '44.26639', '-72.57194'),
('Virginia', 'Richmond', '37.54', '-77.46'),
('Washington', 'Olympia', '47.042418', '-122.893077'),
('West Virginia', 'Charleston', '38.349497', '-81.633294'),
('Wisconsin', 'Madison', '43.074722', '-89.384444'),
('Wyoming', 'Cheyenne', '41.145548', '-104.802042') ]
total = cities.compute_total_distance(road_map1)
expected = 9624.208366999157
assert abs(expected - total) < epsilon
total = cities.compute_total_distance(road_map2)
expected = 3109.553973937813
assert abs(expected - total) < epsilon
total = cities.compute_total_distance(road_map3)
expected = 0.0
assert abs(expected - total) < epsilon
total = cities.compute_total_distance(road_map4)
expected = 58803.51773575106
assert abs(expected - total) < epsilon