Stage reference in FlexUnit4 method A.

00_stage_reference_in FlexUnit4_methodA.md

http://uzzu.github.com/blog/2013/01/09/stage-reference-in-flexunit4/

ATest.as

package
{
	import flash.display.Stage;
	import org.flexunit.asserts.assertNotNull;
	import org.flexunit.assertThat;
	import org.hamcrest.core.isA;
	
	public class ATest
	{
		[Test]
		public function referToTheStage():void
		{
			assertNotNull(ATestContext.virtualRoot.stage);
			assertThat(ATestContext.virtualRoot.stage, isA(Stage));
		}
	}
}

ATestContext.as

package
{
	import flash.display.DisplayObjectContainer;
	
	public class ATestContext
	{
		public static var virtualRoot:DisplayObjectContainer;
        
		public function ATestContext()
		{
		}
	}
}

ATestRunner.mxml

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
      	creationComplete="onCreationComplete()"
      	xmlns:flexUnitUIRunner="http://www.adobe.com/2009/flexUnitUIRunner"
		styleName="flexUnitApplication">
	<mx:Script>
		<![CDATA[
			import mx.core.UIComponent;
			import org.flexunit.listeners.UIListener;
			import org.flexunit.runner.FlexUnitCore;

			public var core:FlexUnitCore;

			public function onCreationComplete():void
			{
				var uiComponent:UIComponent = new UIComponent();
				addChildAt(uiComponent, 0);
				ATestContext.virtualRoot = uiComponent; // ATestContextは任意のクラス

				core = new FlexUnitCore();
				core.addListener(new UIListener(uiListener));
				core.run(ATestSuite);
			}
		]]>
	</mx:Script>

	<flexUnitUIRunner:TestRunnerBase id="uiListener"
									 width="100%"
									 height="100%" />
</mx:Application>

ATestSuite.as

package
{
	[Suite]
	[RunWith("org.flexunit.runners.Suite")]
	public class ATestSuite
	{
		public var aTest:ATest;
	}
}