def test_update_key_event_top_left(self):
game_state = GameState()
game_state.key_presses.up = True
game_state.key_presses.left = True
game_state.window_size = Vector(1280, 720)
game_state.update()
actual = game_state.world_offset
self.assertEqual(Vector(105, 95), actual)
def test_update_key_event_bottom_right(self):
game_state = GameState()
game_state.key_presses.down = True
game_state.key_presses.right = True
game_state.window_size = Vector(1280, 720)
game_state.update()
actual = game_state.world_offset
self.assertEqual(Vector(95, 105), actual)
def test_update_no_key_event(self):
game_state = GameState()
world_offset_before = game_state.world_offset
game_state.window_size = Vector(1280, 720)
game_state.update()
self.assertEqual(world_offset_before, game_state.world_offset)
