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from unittest.mock import MagicMock
from UM.Scene.Camera import Camera
from UM.Scene.Scene import Scene
from UM.Scene.SceneNode import SceneNode
def test_ignoreSceneChanges():
scene = Scene()
scene.sceneChanged.emit = MagicMock()
scene.setIgnoreSceneChanges(ignore_scene_changes = True)
root = scene.getRoot()
root.addChild(SceneNode())
assert scene.sceneChanged.emit.call_count == 0
scene.setIgnoreSceneChanges(ignore_scene_changes=False)
root.addChild(SceneNode())
assert scene.sceneChanged.emit.call_count == 2
def test_switchRoot():
scene = Scene()
new_root = SceneNode()
scene.rootChanged = MagicMock()
scene.setRoot(new_root)
assert scene.getRoot() == new_root
assert scene.rootChanged.emit.call_count == 1
scene.setRoot(new_root)
assert scene.rootChanged.emit.call_count == 1
def test_findObject():
scene = Scene()
node = SceneNode()
scene.getRoot().addChild(node)
assert scene.findObject(id(node)) == node
assert scene.findObject(12) is None
def test_cameras():
scene = Scene()
camera_1 = Camera("camera_one")
camera_2 = Camera("camera_two")
scene.getRoot().addChild(camera_1)
assert scene.findCamera("camera_one") == camera_1
assert scene.findCamera("camera_nope") is None
assert scene.findCamera("camera_two") is None
scene.getRoot().addChild(camera_2)
assert scene.findCamera("camera_two") == camera_2
all_cameras = scene.getAllCameras()
assert camera_1 in all_cameras
assert camera_2 in all_cameras
scene.setActiveCamera("camera_one")
assert scene.getActiveCamera() == camera_1
scene.setActiveCamera("camera_one") # Ensure that setting it again doesn't break things.
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