def test_rotate(self):
"""Test some sample rotations"""
point = Point(8, 10)
around = Point(7, 7)
self.assertEqual(point.rotate(around=around, degrees=90), Point(10, 6))
self.assertEqual(point.rotate(around=around, degrees=180), Point(6, 4))
self.assertEqual(point.rotate(around=around, degrees=270), Point(4, 8))
self.assertEqual(point.rotate(around=around, degrees=-90), Point(4, 8))
def test_rotate_identity(self):
"""Test rotating a point over itself"""
point = Point(4, 4)
around = Point(4, 4)
rotation = Point(4, 4)
self.assertEqual(point.rotate(around=around, degrees=0), rotation)
self.assertEqual(point.rotate(around=around, degrees=90), rotation)
self.assertEqual(point.rotate(around=around, degrees=180), rotation)
self.assertEqual(point.rotate(around=around, degrees=270), rotation)
def test_simple_rotation(self):
"""Test rotating a shape containing a single point"""
origin = Point(4, 4)
around = Point(7, 6)
shape = Shape.I1(origin)
self.assertEqual(
shape.rotate(around, 90).origin, origin.rotate(around, 90))
self.assertEqual(
shape.rotate(around, 180).origin, origin.rotate(around, 180))
self.assertEqual(
shape.rotate(around, 270).origin, origin.rotate(around, 270))
