def test_angles_flat(self):
#left flat
point_pair = xy_formulas.TwoPoints(0, 0, -10, 0)
self.assertEqual(xy_formulas.angle_of(point_pair), 0)
#right flat
point_pair = xy_formulas.TwoPoints(0, 0, 10, 0)
self.assertEqual(xy_formulas.angle_of(point_pair), 180)
def test_a_and_d(self):
point_pair = xy_formulas.TwoPoints(0, 0, 10, 10)
ad = xy_formulas.angle_and_dist(point_pair)
self.assertEqual(ad.distance, 14.14)
self.assertEqual(ad.angle, 135)
def test_distance_sixes(self):
point_pair = xy_formulas.TwoPoints(6, 0, 0, 6)
self.assertEqual(xy_formulas.distance_between_points(point_pair), 8.49)
point_pair = xy_formulas.TwoPoints(0, 6, 6, 0)
self.assertEqual(xy_formulas.distance_between_points(point_pair), 8.49)
def test_distance_zero(self):
point_pair = xy_formulas.TwoPoints(1, 1, 1, 1)
self.assertEqual(xy_formulas.distance_between_points(point_pair), 0)
def test_distance_flat(self):
point_pair = xy_formulas.TwoPoints(1, 1, 11, 1)
self.assertEqual(xy_formulas.distance_between_points(point_pair), 10)
point_pair = xy_formulas.TwoPoints(1, 1, -11, 1)
self.assertEqual(xy_formulas.distance_between_points(point_pair), 12)
def test_invalid_region_below_horizon2(self):
point_pair = xy_formulas.TwoPoints(-5, 7, -10, -1)
with self.assertRaises(ValueError):
xy_formulas.angle_of(point_pair)
def test_same_point(self):
point_pair = xy_formulas.TwoPoints(1, 1, 1, 1)
with self.assertRaises(ValueError):
xy_formulas.angle_of(point_pair)
def test_vertical(self):
point_pair = xy_formulas.TwoPoints(1, 0, 1, 20)
self.assertEqual(xy_formulas.angle_of(point_pair), 90)
def test_Fortyfive_angles(self):
point_pair = xy_formulas.TwoPoints(0, 0, 10, 10)
self.assertEqual(xy_formulas.angle_of(point_pair), 135)
point_pair = xy_formulas.TwoPoints(0, 0, -10, 10)
self.assertEqual(xy_formulas.angle_of(point_pair), 45)
import xy_formulas
pivotX = 50
pivotY = -50
for x in range(-100, 200):
points = xy_formulas.TwoPoints(pivotX, pivotY, x, 0)
print(xy_formulas.angle_of(points), 'degrees, ',
xy_formulas.distance_between_points(points), ' km')