def test_rotation3D():
"""Check 3D rotating."""
pointO = Point(0, 0, 0, 'O')
pointA = Point(1, 0, 0, 'A')
with pytest.raises(TypeError) as excinfo:
pointA.rotate(pointO, Number(30), pointO)
assert str(excinfo.value) == 'Expected either None or a Vector as '\
'axis, found Point O(0, 0, 0) instead.'
pointZ = Point(0, 0, 1, 'Z')
vz = Vector(pointO, pointZ)
assert pointA.rotate(pointO, Number(30), vz).coordinates \
== (Number('0.866'), Number('0.5'), Number('0'))
pointY = Point(0, 1, 0, 'Y')
vy = Vector(pointO, pointY)
assert pointA.rotate(pointO, Number(30), vy).coordinates \
== (Number('0.866'), Number('0'), Number('-0.5'))
def test_rotation():
"""Check rotating."""
pointO = Point(0, 0, 'O')
pointA = Point(1, 0, 'A')
with pytest.raises(TypeError) as excinfo:
pointA.rotate('O', Number(30))
assert str(excinfo.value) == 'Expected a Point as rotation center, '\
'got <class \'str\'> instead.'
with pytest.raises(TypeError) as excinfo:
pointA.rotate(pointO, 'a')
assert str(excinfo.value) == 'Expected a number as rotation angle, '\
'got <class \'str\'> instead.'
assert pointO.rotate(pointA, Number(90)) == Point(1, -1, "O'")
assert pointA.rotate(pointO, Number(90)) == Point(0, 1, "A'")
assert pointA.rotate(pointO, Number(90), rename='keep_name') \
== Point(0, 1, 'A')
assert pointA.rotate(pointO, Number(90), rename='B') == Point(0, 1, 'B')
assert pointA.rotate(pointO, Number(30)) == Point(Number('0.866'),
Number('0.5'), "A'")