def test_simple_reflection(self):
"""Test reflecting a shape containing a single point"""
origin = Point(4, 4)
x_value, y_value = 7, 6
shape = Shape.I1(origin)
self.assertEqual(
shape.reflect(x=x_value).origin, origin.reflect(x=x_value))
self.assertEqual(
shape.reflect(y=y_value).origin, origin.reflect(y=y_value))
self.assertEqual(
shape.reflect(x=x_value, y=y_value).origin,
origin.reflect(x=x_value, y=y_value),
)
def test_reflect_identity(self):
"""Test reflecting a point over itself"""
point = Point(4, 4)
x_value, y_value = 4, 4
reflection = Point(4, 4)
self.assertEqual(point.reflect(x=x_value, y=y_value), reflection)
def test_reflect_y(self):
"""Test reflecting a point over a horizontal line"""
point = Point(4, 4)
y_value = 1
reflection = Point(4, -2)
self.assertEqual(point.reflect(y=y_value), reflection)
def test_reflect_xy(self):
"""Test reflecting a point over a horizontal and vertical lines"""
point = Point(4, 4)
x_value, y_value = 7, 1
reflection = Point(10, -2)
self.assertEqual(point.reflect(x=x_value, y=y_value), reflection)
def test_reflect_x(self):
"""Test reflecting a point over a vertical line"""
point = Point(4, 4)
x_value = 7
reflection = Point(10, 4)
self.assertEqual(point.reflect(x=x_value), reflection)