def test_all_lon_in_point_one_increments(self):
acc = 3
random.seed(360)
total_length = 0
count = 0
max = 0
min = 999999
for i in range (-1800,1800):
count = count + 1
test_lat = (random.random() * 180) - 90
test_lon = i / 10
geohexa = latlon_to_geohexa(test_lat, test_lon, accuracy=acc)
if (len(geohexa) > max):
max = len(geohexa)
if (len(geohexa) < min):
min = len(geohexa)
lat, lon = geohexa_to_latlon(geohexa)
error = distance(test_lat, test_lon, lat, lon)
self.assertTrue (error < acc)
total_length = total_length + len(geohexa)
self.assertEqual (max, 10)
print('\nTotal length of geohexa for all lon in 0.1 increments at', acc, 'meter accuracy:',total_length)
print('Average length of geohexa:', total_length/count)
print('Min length of geohexa:', min)
print('Max length of geohexa:', max, '\n')
def test_four_digit_geohexa(self):
lat, lon = geohexa_to_latlon('Qarj')
self.assertTrue( isinstance(lat, float) )
self.assertTrue( isinstance(lon, float) )
self.assertTrue (lon != 0)
self.assertTrue (lat != 0)
geohexa = latlon_to_geohexa(lat,lon, 0)
self.assertTrue (geohexa.lower() == 'Qarj'.lower())
def test_many_random_lat_lons_near_north_pole(self):
random.seed(42)
total_length = 0
for i in range (0,MANY):
test_lat = (random.random() * 10) + 80
test_lon = (random.random() * 360) - 180
geohexa = latlon_to_geohexa(test_lat, test_lon, accuracy=ACCURACY)
lat, lon = geohexa_to_latlon(geohexa)
error = distance(test_lat, test_lon, lat, lon)
self.assertTrue (error < ACCURACY)
total_length = total_length + len(geohexa)
print('\nTotal length of geohexa for', MANY, 'random co-ordinates near the North Pole at', ACCURACY, 'meter accuracy:',total_length)
print('Average length of geohexa:', total_length/MANY, '\n')
def test_latlon_to_geohexa_and_back_accuracy_for_millimeter(self):
test_lat, test_lon = -46.896522, 168.130336 # NZ Oyster Bar
geohexa = latlon_to_geohexa(test_lat, test_lon, accuracy=MM)
lat, lon = geohexa_to_latlon(geohexa)
error = distance(test_lat, test_lon, lat, lon)
self.assertTrue (error < MM)
def test_latlon_to_geohexa_and_back_accuracy_for_meter(self):
test_lat, test_lon = 64.123565, -21.805507 # Reykjavik Brewery
geohexa = latlon_to_geohexa(test_lat, test_lon, accuracy=METER)
lat, lon = geohexa_to_latlon(geohexa)
error = distance(test_lat, test_lon, lat, lon)
self.assertTrue (error < METER)
def test_latlon_to_geohexa_and_back_accuracy_for_ten_km(self):
test_lat, test_lon = 1.285864, 103.851831 # Singapore Boat Quay
geohexa = latlon_to_geohexa(test_lat, test_lon, accuracy=TEN_KM)
lat, lon = geohexa_to_latlon(geohexa)
error = distance(test_lat, test_lon, lat, lon)
self.assertTrue (error < TEN_KM)
def test_min_lat_lon(self):
self.assertTrue( len(latlon_to_geohexa(-90,-180) ) >= 2)
def test_max_lat_lon(self):
self.assertTrue( len(latlon_to_geohexa(90,180) ) >= 2)
def test_oval_tube_specific_value(self):
hexa = latlon_to_geohexa(51.481874, -0.112564)
self.assertEqual( hexa, "hszaLoe3t")
def test_lower_danger_boundary(self):
geohexa = latlon_to_geohexa(-46, 0, accuracy=0)
def test_upper_danger_boundary(self):
geohexa = latlon_to_geohexa(64, 0, accuracy=0)
def test_should_output_null_digit_geohexa(self):
geohexa = latlon_to_geohexa(0, 0, accuracy=0)
self.assertEqual (len(geohexa), 0)
def test_all_third_and_fourth_digit_geohexa(self):
for c in base36digits:
for d in base36digits:
lat, lon = geohexa_to_latlon('00'+c+d)
geohexa = latlon_to_geohexa(lat, lon)
self.assertEqual(geohexa.lower(), '00'+c+d)
def test_all_two_digit_geohexa(self):
for c in base36digits:
for d in base36digits:
lat, lon = geohexa_to_latlon(c+d)
geohexa = latlon_to_geohexa(lat, lon)
self.assertEqual(geohexa.lower(), c+d)
