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import Gaffer
import GafferUITest
import GafferScene
import GafferSceneUI

class SceneInspectorTest( GafferUITest.TestCase ) :

	def testTarget( self ) :

		g = GafferScene.Grid()
		t = GafferSceneUI.SceneInspector.Target( g["out"], "/grid" )

		self.assertTrue( t.scene.isSame( g["out"] ) )
		self.assertEqual( t.path, "/grid" )

		p = GafferScene.Plane()

		# Targets are read only
		self.assertRaises( AttributeError, setattr, t, "scene", p["out"] )
		self.assertRaises( AttributeError, setattr, t, "path", "/plane" )

		# Targets cache their lookups
		self.assertTrue( t.attributes().isSame( t.attributes() ) )
		self.assertTrue( t.fullAttributes().isSame( t.fullAttributes() ) )
		self.assertTrue( t.object().isSame( t.object() ) )
		self.assertTrue( t.globals().isSame( t.globals() ) )

	def testTargetPathsAccessors( self ) :

		script = Gaffer.ScriptNode()

		inspector = GafferSceneUI.SceneInspector( script )
		self.assertEqual( inspector.getTargetPaths(), None )

		inspector.setTargetPaths( [ "/plane" ] )
		self.assertEqual( inspector.getTargetPaths(), [ "/plane" ] )

		self.assertRaises( Exception, inspector.setTargetPaths, [ "/too", "/many", "/paths" ] )

if __name__ == "__main__":
	unittest.main()

