Java tutorial
package HeadlessRunner; /* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ import java.util.HashMap; import java.util.Map; import org.junit.runner.notification.RunNotifier; import org.junit.runners.BlockJUnit4ClassRunner; import org.junit.runners.model.FrameworkMethod; import org.junit.runners.model.InitializationError; import com.badlogic.gdx.ApplicationListener; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.backends.headless.HeadlessApplication; import com.badlogic.gdx.backends.headless.HeadlessApplicationConfiguration; import com.badlogic.gdx.graphics.GL20; import com.wotf.game.GameStage; import static org.mockito.Mockito.mock; public class GdxTestRunner extends BlockJUnit4ClassRunner implements ApplicationListener { private Map<FrameworkMethod, RunNotifier> invokeInRender = new HashMap<FrameworkMethod, RunNotifier>(); public GdxTestRunner(Class<?> klass) throws InitializationError { super(klass); HeadlessApplicationConfiguration conf = new HeadlessApplicationConfiguration(); new HeadlessApplication(this, conf); Gdx.gl = mock(GL20.class); } @Override public void create() { } @Override public void resume() { } @Override public void render() { synchronized (invokeInRender) { for (Map.Entry<FrameworkMethod, RunNotifier> each : invokeInRender.entrySet()) { super.runChild(each.getKey(), each.getValue()); } invokeInRender.clear(); } } @Override public void resize(int width, int height) { } @Override public void pause() { } @Override public void dispose() { } @Override protected void runChild(FrameworkMethod method, RunNotifier notifier) { synchronized (invokeInRender) { // add for invoking in render phase, where gl context is available invokeInRender.put(method, notifier); } // wait until that test was invoked waitUntilInvokedInRenderMethod(); } /** * */ private void waitUntilInvokedInRenderMethod() { try { while (true) { Thread.sleep(10); synchronized (invokeInRender) { if (invokeInRender.isEmpty()) { break; } } } } catch (InterruptedException e) { e.printStackTrace(); } } }