def test_perfect_diagonal_3d(self):
src = Location()
src.x, src.y, src.z = 0, 0, 0
dest = Location()
dest.x, dest.y, dest.z = 3, 3, 3
coords = [(0, 0, 0), (1, 1, 1), (2, 2, 2), (3, 3, 3)]
self.assertEqual(coords, list(gen_line_simple(src, dest)))
def test_perfect_diagonal_3d_negative(self):
src = Location()
src.x, src.y, src.z = 0, 0, 0
dest = Location()
dest.x, dest.y, dest.z = -3, -3, -3
coords = [(0, 0, 0), (-1, -1, -1), (-2, -2, -2), (-3, -3, -3)]
self.assertEqual(coords, list(gen_line_simple(src, dest)))
def test_straight_line(self):
src = Location()
src.x, src.y, src.z = 0, 0, 0
dest = Location()
dest.x, dest.y, dest.z = 0, 0, 3
coords = [(0, 0, 0), (0, 0, 1), (0, 0, 2), (0, 0, 3)]
self.assertEqual(coords, list(gen_line_simple(src, dest)))
def test_perfect_diagonal_3d_negative(self):
src = Location()
src.x, src.y, src.z = 0, 0, 0
dest = Location()
dest.x, dest.y, dest.z = -3, -3, -3
coords = [(0, 0, 0), (-1, -1, -1), (-2, -2, -2), (-3, -3, -3)]
self.assertEqual(coords, list(gen_line_simple(src, dest)))
def test_perfect_diagonal_3d(self):
src = Location()
src.x, src.y, src.z = 0, 0, 0
dest = Location()
dest.x, dest.y, dest.z = 3, 3, 3
coords = [(0, 0, 0), (1, 1, 1), (2, 2, 2), (3, 3, 3)]
self.assertEqual(coords, list(gen_line_simple(src, dest)))
def test_straight_line(self):
src = Location()
src.x, src.y, src.z = 0, 0, 0
dest = Location()
dest.x, dest.y, dest.z = 0, 0, 3
coords = [(0, 0, 0), (0, 0, 1), (0, 0, 2), (0, 0, 3)]
self.assertEqual(coords, list(gen_line_simple(src, dest)))
def test_straight_line_float(self):
"""
If floating-point coordinates are used, the algorithm still considers
only integer coordinates and outputs floored coordinates.
"""
src = Location()
src.x, src.y, src.z = 0, 0, 0.5
dest = Location()
dest.x, dest.y, dest.z = 0, 0, 3
coords = [(0, 0, 0), (0, 0, 1), (0, 0, 2), (0, 0, 3)]
self.assertEqual(coords, list(gen_line_simple(src, dest)))
def test_straight_line_float(self):
"""
If floating-point coordinates are used, the algorithm still considers
only integer coordinates and outputs floored coordinates.
"""
src = Location()
src.x, src.y, src.z = 0, 0, 0.5
dest = Location()
dest.x, dest.y, dest.z = 0, 0, 3
coords = [(0, 0, 0), (0, 0, 1), (0, 0, 2), (0, 0, 3)]
self.assertEqual(coords, list(gen_line_simple(src, dest)))