def setUp(self):
self.test_shape = RotateSplineShape(
points=[(50, 0), (50, 20), (70,
80), (90,
50), (70,
0), (90,
-50), (70,
-80), (50,
-20)])
def test_initial_solid_construction(self):
"""tests that a cadquery solid with a unique hash is constructed when .solid is called"""
test_shape = RotateSplineShape(points=[(0, 0), (0, 20), (20, 20),
(20, 0)],
rotation_angle=360)
assert test_shape.hash_value is None
assert test_shape.solid is not None
assert type(test_shape.solid).__name__ == "Workplane"
assert test_shape.hash_value is not None
def test_absolute_shape_volume(self):
"""creates a rotated shape using spline connections and checks \
the volume is correct"""
test_shape = RotateSplineShape(points=[(0, 0), (0, 20), (20,
20), (20, 0)])
test_shape.rotation_angle = 360
test_shape.create_solid()
assert test_shape.solid is not None
assert test_shape.volume > 100
def test_hash_value_update(self):
"""tests that the hash_value of the shape is not updated until a new solid has been created"""
test_shape = RotateSplineShape(points=[(0, 0), (0, 20), (20, 20)],
rotation_angle=360)
test_shape.solid
assert test_shape.hash_value is not None
initial_hash_value = test_shape.hash_value
test_shape.rotation_angle = 180
assert test_shape.hash_value == initial_hash_value
test_shape.solid
assert test_shape.hash_value != initial_hash_value
def test_cut_volume(self):
"""creates a rotated shape using spline connections with another shape \
cut out and checks the volume is correct"""
inner_shape = RotateSplineShape(points=[(5, 5), (5, 10), (10, 10),
(10, 5)],
rotation_angle=180)
outer_shape = RotateSplineShape(points=[(3, 3), (3, 12), (12, 12),
(12, 3)],
rotation_angle=180)
outer_shape_with_cut = RotateSplineShape(
points=[(3, 3), (3, 12), (12, 12), (12, 3)],
cut=inner_shape,
rotation_angle=180,
)
assert inner_shape.volume == pytest.approx(900.88, abs=0.1)
assert outer_shape.volume == pytest.approx(2881.76, abs=0.1)
assert outer_shape_with_cut.volume == pytest.approx(2881.76 - 900.88,
abs=0.2)
def test_solid_return(self):
"""tests that the same cadquery solid with the same unique hash is returned when shape.solid is called again when no changes have been made to the shape"""
test_shape = RotateSplineShape(points=[(0, 0), (0, 20), (20, 20),
(20, 0)],
rotation_angle=360)
assert test_shape.solid is not None
assert test_shape.hash_value is not None
initial_hash_value = test_shape.hash_value
assert test_shape.solid is not None
assert test_shape.hash_value is not None
assert initial_hash_value == test_shape.hash_value
def test_conditional_solid_reconstruction(self):
"""tests that a new cadquery solid with a new unique hash is constructed when .solid is called again after changes have been made to the shape"""
test_shape = RotateSplineShape(points=[(0, 0), (0, 20), (20, 20)],
rotation_angle=360)
assert test_shape.solid is not None
assert test_shape.hash_value is not None
initial_hash_value = test_shape.hash_value
test_shape.rotation_angle = 180
assert test_shape.solid is not None
assert test_shape.hash_value is not None
assert initial_hash_value != test_shape.hash_value