def test_arithmetic_sub_bad_type(self):
with self.assertRaises(TypeError):
CoordSystem.random() - 1
with self.assertRaises(TypeError):
CoordSystem.random() - 'bad_type'
with self.assertRaises(TypeError):
CoordSystem.random() - None
obj = cadquery.Workplane('XY').box(1, 1, 1)
with self.assertRaises(TypeError):
CoordSystem.random() - obj
v = Vector(1, 2, 3)
with self.assertRaises(TypeError):
CoordSystem.random() - v
def test_random_failsafe(self, mock_uniform):
random_numbers = [
# 1st try (xDir & normal are parallel; error)
0,
0,
0, # origin
1,
0,
0, # xDir
1,
0,
0, # normal
# 2nd try (valid data)
1,
2,
3, # origin
0,
1,
0, # xDir
1,
0,
0, # normal
]
mock_uniform.side_effect = random_numbers
cs = CoordSystem.random()
self.assertEqual(len(mock_uniform.call_args_list), len(random_numbers))
self.assertEqual(
cs,
CoordSystem(
origin=random_numbers[9:12],
xDir=random_numbers[12:15],
normal=random_numbers[15:18],
))
def test_random(self):
box = Box()
for (s1, s2) in [(1, 2), (3, 4), (5, 6), (7, 8)]:
cs1 = CoordSystem.random(seed=s1)
cs2 = CoordSystem.random(seed=s2)
# create constraint
c = Fixed(Mate(box, cs1), cs2)
# solve
solution = list(solver([c]))
# assert results
self.assertEqual(len(solution), 1)
(part, coords) = solution[0]
self.assertEqual(id(part), id(box))
self.assertEqual(coords, cs2 + (CoordSystem() - cs1))
def test_arithmetic_add_bad_type(self):
with self.assertRaises(TypeError):
CoordSystem.random() + 1
with self.assertRaises(TypeError):
CoordSystem.random() + 'bad_type'
with self.assertRaises(TypeError):
CoordSystem.random() + None
def test_world_coords(self):
class C(cqparts.Component):
def __init__(self, *args, **kwargs):
self._flag_placement_changed = False
super(C, self).__init__(*args, **kwargs)
def _placement_changed(self):
self._flag_placement_changed = True
super(C, self)._placement_changed()
c = C()
self.assertIsNone(c.world_coords)
cs = CoordSystem.random()
self.assertFalse(c._flag_placement_changed)
c.world_coords = cs
self.assertTrue(c._flag_placement_changed)
self.assertEquals(c.world_coords, cs)
c.world_coords = None
self.assertIsNone(c.world_coords)
def test_repr(self):
repr_str = repr(CoordSystem.random())
self.assertIsInstance(repr_str, str)
self.assertTrue(bool(repr_str))
def test_random_seed(self):
for i in range(1, 5):
cs1 = CoordSystem.random(seed=i)
cs2 = CoordSystem.random(seed=i) # same seed
self.assertEqual(cs1, cs2) # result should be the same
def test_random(self):
cs = CoordSystem.random()
self.assertIsInstance(cs, CoordSystem)
self.assertNotEqual(cs, CoordSystem()) # not an identity matrix