def test_cylinder_duplicate():
"""Test the Cylinder duplicate method."""
c = Cylinder(Point3D(0, 0.5, 2), Vector3D(1, 0.5, 2.5), 0.75)
test = c.duplicate()
assert test.radius == 0.75
assert c.center.x == pytest.approx(0, rel=1e-3)
assert c.center.y == pytest.approx(0.5, rel=1e-3)
assert c.center.z == pytest.approx(2, rel=1e-3)
assert c.axis.x == pytest.approx(1, rel=1e-3)
assert c.axis.y == pytest.approx(0.5, rel=1e-3)
assert c.axis.z == pytest.approx(2.5, rel=1e-3)
def test_equality():
"""Test the equality of Cylinder objects."""
cylinder = Cylinder(Point3D(2, 0, 2), Vector3D(0, 2, 2), 0.7)
cylinder_dup = cylinder.duplicate()
cylinder_alt = Cylinder(Point3D(2, 0.1, 2), Vector3D(0, 2, 2), 0.7)
assert cylinder is cylinder
assert cylinder is not cylinder_dup
assert cylinder == cylinder_dup
assert hash(cylinder) == hash(cylinder_dup)
assert cylinder != cylinder_alt
assert hash(cylinder) != hash(cylinder_alt)