def test_create_random_triangles(self):
e = self.get_evolver()
items = utils.create_random_triangles(e.size, 2, utils.RGB)
self.assertEqual(len(items), 2)
self.assertTrue(isinstance(items[0], Triangle))
self.assertEqual(items[0].coordinates, [1, 2, 3, 4, 5, 6])
self.assertEqual(items[0].color, (7, 8, 9))
self.assertEqual(items[0].opacity, 10)
items = utils.create_random_triangles(e.size, 4, utils.RGB)
self.assertEqual(len(items), 4)
self.assertTrue(isinstance(items[0], Triangle))
def test_randomlyMoveTriangle(self):
e = self.get_evolver()
tri = utils.create_random_triangles(e.size, 1, utils.RGB)[0]
self.assertEqual(tri.coordinates, [1, 2, 3, 4, 5, 6])
e.randomly_move_triangle(tri, variance=20)
# the triangle should now have had the center of the triangle
# moved by some amount, limited to be between -variance, +variance
self.assertEqual(tri.coordinates, [12, 14, 14, 16, 16, 18])
def test_filter_triangles(self):
s = self.get_seeder()
triangles = utils.create_random_triangles(s.size, 20, utils.RGB)
new_triangles = s.filter_and_sort_triangles(triangles)
self.assertTrue(len(new_triangles) <= s.num_triangles)
previous_area = new_triangles[0].get_area()
for tri in new_triangles[1:]:
area = tri.get_area()
if area > previous_area:
self.fail()
previous_area = area