def test_draw_calls_subroutines_in_right_order(self):
camera = Camera((0, 1), 2)
renderer = Renderer(camera)
roomColor = (255,0,0)
verts = [(-1, 0), (2,3), (4, 0)]
room1 = Room(verts)
room2 = Room(verts)
chunk1 = Chunk()
chunk2 = Chunk()
world = World()
world.backColor = (111, 22, 3)
world.rooms = {1: room1, 2: room2}
world.chunks = set([chunk1, chunk2])
listener = Listener()
renderer.clear = \
lambda *args: listener("clear", *args)
camera.world_projection = \
lambda *args: listener("world_proj", *args)
renderer.draw_rooms = \
lambda *args: listener("draw_rooms", *args)
renderer.draw_chunk = \
lambda *args: listener("draw_chunk", *args)
aspect = 1.5
renderer.draw(world, aspect)
expected = [
("clear", world.material.color),
("world_proj", aspect),
("draw_rooms", {1: room1, 2: room2}),
("draw_chunk", chunk2),
("draw_chunk", chunk1),
]
self.assertEquals(listener.args_list, expected,
"draw didnt call subfns")
