def test_destination_none(self):
elena_backend_object = ElenaBackend('minimize', self.graph)
with self.assertRaises(Exception) as context:
elena_backend_object.find_actual_origin_and_destination(
"Mars", None)
self.assertTrue("Empty String or None provided as destination" in str(
context.exception))
def test_wrong_criteria_compute_route(self):
elena_backend_object = ElenaBackend('minimize', self.graph)
origin, destination = elena_backend_object.find_actual_origin_and_destination(
"Brandywine Amherst MA", "UMass Amherst")
with self.assertRaises(Exception) as context:
elena_backend_object.compute_route_by_criteria(
origin, destination, "size")
self.assertTrue(
"Incorrect value of criteria provided" in str(context.exception))
def test_none_destination_compute_route(self):
elena_backend_object = ElenaBackend('minimize', self.graph)
origin, destination = elena_backend_object.find_actual_origin_and_destination(
"Brandywine Amherst MA", "UMass Amherst")
with self.assertRaises(Exception) as context:
elena_backend_object.compute_route_by_criteria(
origin, None, "length")
self.assertTrue(
"Empty string or None provided as destination for computing route"
in str(context.exception))
def test_correct_route_compute_route_information(self):
elena_backend_object = ElenaBackend('minimize', self.graph)
origin, destination = elena_backend_object.find_actual_origin_and_destination(
"Brandywine Amherst MA", "UMass Amherst")
shortest_route_by_length = elena_backend_object.compute_route_by_criteria(
origin, destination, criteria='length')
self.assertIsNotNone(
elena_backend_object.compute_route_information(
shortest_route_by_length))
def test_correct_values_compute_route(self):
elena_backend_object = ElenaBackend('minimize', self.graph)
origin, destination = elena_backend_object.find_actual_origin_and_destination(
"Brandywine Amherst MA", "UMass Amherst")
self.assertIsNotNone(
elena_backend_object.compute_route_by_criteria(
origin, destination, "length"))
self.assertIsNotNone(
elena_backend_object.compute_route_by_criteria(
origin, destination, "impedance"))
def get_data(origin, destination, elevation_type, transportation_method):
"""Function called when front-end makes an API request.
Args:
origin (string): User given origin
destination (string): User given destination
elevation_type(string): Type of elevation (minimize, uphills, downhills)
transportation_method (string): This is not included in this version and is left for future implementation
Returns:
combined_information (json): This is sent to the front-end and includes the route and all the associated
information
"""
elena_backend_object = ElenaBackend(elevation_type, graph)
actual_origin, actual_destination = elena_backend_object.find_actual_origin_and_destination(origin, destination)
shortest_route_by_length = elena_backend_object.compute_route_by_criteria(actual_origin, actual_destination,
criteria='length')
shortest_route_by_impedance = elena_backend_object.compute_route_by_criteria(actual_origin, actual_destination,
criteria='impedance')
shortest_route_information = elena_backend_object.compute_route_information(shortest_route_by_length)
elevation_route_information = elena_backend_object.compute_route_information(shortest_route_by_impedance)
combined_information = {'shortest_path_route_stats': shortest_route_information,
'elevation_route_stats': elevation_route_information}
return jsonify(combined_information)
def test_correct_origin_destination(self):
elena_backend_object = ElenaBackend('minimize', self.graph)
origin, destination = elena_backend_object.find_actual_origin_and_destination(
"Brandywine Amherst MA", "UMass Amherst")
self.assertIsNotNone(origin)
self.assertIsNotNone(destination)
def test_none_compute_route_information(self):
elena_backend_object = ElenaBackend('minimize', self.graph)
with self.assertRaises(Exception) as context:
elena_backend_object.compute_route_information(None)
self.assertTrue("Route nor provided while computing route information"
in str(context.exception))