def test_eq(self) -> None:
self.assertEqual(
frustum.CircularFrustum(bottom_diameter=5.0,
height=1.0,
top_diameter=6.0,
center=True),
frustum.CircularFrustum(bottom_diameter=5.0,
height=1.0,
top_diameter=6.0,
center=True),
msg="Equivalent circular frusta should be equal",
)
self.assertNotEqual(
frustum.CircularFrustum(bottom_diameter=15.0,
top_diameter=25.0,
height=7.5,
center=True),
frustum.Frustum(
bottom_circumscribed_circle_diameter=15.0,
top_circumscribed_circle_diameter=25.0,
height=7.5,
center=True,
),
msg=
"A circular frustum & equivalent generic frustum should not be equal",
)
def test_copy(self) -> None:
test_frustum = frustum.Frustum(
bottom_circumscribed_circle_diameter=15.0,
top_circumscribed_circle_diameter=25.0,
height=7.5,
center=True,
segments=7,
)
copy_frustum = test_frustum.copy()
self.assertEqual(
test_frustum,
copy_frustum,
msg="Copied frusta should be equivalent to the originals",
)
def test_eq(self) -> None:
self.assertEqual(
frustum.Frustum(
bottom_circumscribed_circle_diameter=15.0,
top_circumscribed_circle_diameter=25.0,
height=7.5,
center=True,
segments=7,
),
frustum.Frustum(
bottom_circumscribed_circle_diameter=15.0,
top_circumscribed_circle_diameter=25.0,
height=7.5,
center=True,
segments=7,
),
msg="Equivalent frusta should be equal",
)
self.assertNotEqual(
frustum.Frustum(
bottom_circumscribed_circle_diameter=15.0,
top_circumscribed_circle_diameter=25.0,
height=7.5,
center=True,
segments=7,
),
frustum.Frustum(
bottom_circumscribed_circle_diameter=15.0,
top_circumscribed_circle_diameter=25.0,
height=11.5,
center=True,
segments=7,
),
msg="Different frusta should not be equal",
)
self.assertNotEqual(
frustum.Frustum(
bottom_circumscribed_circle_diameter=15.0,
top_circumscribed_circle_diameter=25.0,
height=7.5,
center=True,
segments=7,
),
frustum.Frustum(
bottom_circumscribed_circle_diameter=15.0,
top_circumscribed_circle_diameter=25.0,
height=7.5,
center=False,
segments=7,
),
msg="Equality depends on dimensions & position",
)
def test_body(self) -> None:
self.assertTrue(
utils.compare_openscad_objects(
frustum.Frustum(
bottom_circumscribed_circle_diameter=15.0,
top_circumscribed_circle_diameter=25.0,
height=7.5,
center=True,
segments=7,
).body,
solid.cylinder(d1=15.0,
d2=25.0,
h=7.5,
center=True,
segments=7),
),
msg="Should produce the expected OpenSCAD object",
)
def test_anchor_positions_uncentered(self) -> None:
test_frustum = frustum.Frustum(
bottom_circumscribed_circle_diameter=15.0, height=7.5)
self.assertAlmostEqual(
test_frustum.center_anchor.point.z,
3.75,
msg="Uncentered frustums' midpoint Z should be half the height",
)
self.assertAlmostEqual(
test_frustum.bottom_anchor.point.z,
0,
msg="Uncentered frustums' bottom Z should be at the origin",
)
self.assertAlmostEqual(
test_frustum.top_anchor.point.z,
7.5,
msg="Uncentered frustums' bottom Z should be at the origin",
)