def test_switch_scene(self):
'''Create Game() with several Scene() objects and switch them'''
game = retro.Game(retro.Scene(INITIAL_SCENE))
game.add_scene(retro.Scene(OTHER_SCENE))
assert game.current_scene.name == INITIAL_SCENE
game.switch_scene(OTHER_SCENE)
assert game.current_scene.name == OTHER_SCENE
def test_remove_game_object(self):
'''Test remove GameObject() from a scene'''
scene = retro.Scene('test_scene')
game_object = retro.GameObject()
scene.add_game_object(game_object)
scene.remove_game_object(game_object)
assert len(scene.game_objects) == 0
def test_creation(self):
'''Create new Game() and check its initial state'''
game = retro.Game(retro.Scene(INITIAL_SCENE))
assert isinstance(game, retro.Game)
assert not game.running
assert game.current_scene.name == INITIAL_SCENE
assert game.current_scene.game is game
def test_add_game_object(self):
'''Add GameObject() to a scene'''
scene = retro.Scene('test_scene')
game_object = retro.GameObject()
scene.add_game_object(game_object)
assert len(scene.game_objects) == 1
assert game_object is scene.game_object(game_object.id)
assert game_object.scene is scene
def test_garbage_collector(self):
'''Test if Scene() removes dead GameObject() objects'''
scene = retro.Scene('test_scene')
game_object = retro.GameObject()
scene.add_game_object(game_object)
assert game_object in scene.game_objects
game_object.kill()
scene.update()
assert game_object not in scene.game_objects
def test_running(self):
'''Create new Game() and start it'''
game = retro.Game(retro.Scene(INITIAL_SCENE))
game.start()
assert game.running
tick1 = game.ticks
time.sleep(1.0)
tick2 = game.ticks
game.quit()
assert not game.running
assert tick2 > tick1
def test_search_game_object_by_tags(self):
'''Search game objects by tags'''
scene = retro.Scene('test_scene')
game_object1 = retro.GameObject()
game_object2 = retro.GameObject(tags=[TAG1])
game_object3 = retro.GameObject(tags=[TAG1, TAG2])
scene.add_game_object(game_object1)
scene.add_game_object(game_object2)
scene.add_game_object(game_object3)
assert game_object1 not in scene.game_objects_tagged_as(TAG1)
assert game_object1 not in scene.game_objects_tagged_as(TAG2)
assert game_object2 in scene.game_objects_tagged_as(TAG1)
assert game_object2 not in scene.game_objects_tagged_as(TAG2)
assert game_object3 in scene.game_objects_tagged_as(TAG1)
assert game_object3 in scene.game_objects_tagged_as(TAG2)
def test_update_function(self):
'''Test if update() is called on every GameObject() objects'''
class MyGameObject(retro.GameObject):
def __init__(self):
super(MyGameObject, self).__init__()
self.update_called = False
def update(self):
self.update_called = True
scene = retro.Scene('test_scene')
game_object1 = MyGameObject()
game_object2 = MyGameObject()
scene.add_game_object(game_object1)
assert not game_object1.update_called
assert not game_object2.update_called
scene.update()
assert game_object1.update_called
assert not game_object2.update_called
def test_start_function(self):
'''Test if start() calls every GameObject().start() method'''
class MyGameObject(retro.GameObject):
def __init__(self):
super(MyGameObject, self).__init__()
self.start_called = False
def on_start(self):
self.start_called = True
scene = retro.Scene('test_scene')
game_object1 = MyGameObject()
game_object2 = MyGameObject()
scene.add_game_object(game_object1)
scene.add_game_object(game_object2)
assert not game_object1.start_called
assert not game_object2.start_called
scene.start()
assert game_object1.start_called
assert game_object2.start_called
def test_switch_unknown_scene(self):
'''Create Game() and switch to a unknown scene'''
game = retro.Game(retro.Scene(INITIAL_SCENE))
with pytest.raises(KeyError):
game.switch_scene(OTHER_SCENE)
def test_add_scene(self):
'''Create Game() and add several Scene() objects'''
game = retro.Game(retro.Scene(INITIAL_SCENE))
game.add_scene(retro.Scene(OTHER_SCENE))
assert set([INITIAL_SCENE, OTHER_SCENE]) == set(game.scenes)
def test_remove_unknown_game_object(self):
'''Remove GameObject() not added to a scene'''
scene = retro.Scene('test_scene')
game_object = retro.GameObject()
with pytest.raises(KeyError):
scene.remove_game_object(game_object)
def test_creation(self):
'''Create new Scene() and check its initial state'''
scene = retro.Scene('test_scene')
assert isinstance(scene, retro.Scene)
assert scene.game is None
assert len(scene.game_objects) == 0
