def test_create_location_with_invalid_input(self):
"""
coordinates are always in the form of float, if invalid
coordinates are passed like ascii it should throw proper exception
"""
invalid_lat = 'test_lat'
invalid_lon = 'test_lon'
with self.assertRaises(InvalidLatLonException):
Location.createFrom(self.city, invalid_lat, invalid_lon)
def test_calculate_distance(self):
"""
this test distance between two known point to
check if distance calculation formula is working fine.
"""
origin_coord = Location.createFrom(self.origin_city, self.origin_lat,
self.origin_lon)
source_coord = Location.createFrom(self.source_city, self.source_lat,
self.source_lon)
distance = origin_coord.distance_from(source_coord)
self.assertEqual(distance, self.distance)
def test_create_location_with_string(self):
"""
coordinate should be typecast to float if they are passed in string type
"""
str_lat = str(self.origin_lat)
str_lon = str(self.origin_lon)
location = Location.createFrom(self.city, str_lat, str_lon)
self.assertEqual(type(location), Location)
self.assertEqual(location.latitude, self.origin_lat)
self.assertEqual(location.longitude, self.origin_lon)
def test_same_location_distance_zero(self):
"""
this tests the functionality of distance calculation between two
coordinates.
distance between two coordinates should always be zero
"""
coordinate = Location.createFrom(self.origin_city, self.origin_lat,
self.origin_lon)
duplicate_coordinate = coordinate
distance = coordinate.distance_from(duplicate_coordinate)
self.assertEqual(distance, 0.0)
def test_create_location(self):
"""
Test for location object creation flow
:return:
"""
location = Location.createFrom(self.city, self.origin_lat,
self.origin_lon)
self.assertEqual(type(location), Location)
self.assertEqual(location.latitude, self.origin_lat)
self.assertEqual(location.longitude, self.origin_lon)
self.assertEqual(location.city, self.city)