java - libgdx - junit 测试 - 如何与应用程序线程通信？

Question

我正在尝试对 libgdx 游戏进行 junit 测试，并且发现此线程非常有帮助:Unit-testing of libgdx-using classes

我有一个类似于以下内容的测试类:

public class BoardTest {

    private static Chess game;
    private static HeadlessApplication app;

    @BeforeClass 
    public static void testStartGame() {

        game = new Chess();

        final HeadlessApplicationConfiguration config = new HeadlessApplicationConfiguration();
        config.renderInterval = 1f/60; // Likely want 1f/60 for 60 fps
        app = new HeadlessApplication(game, config);

    }

    @Test
    public void testSetUpBoard() {

        final boolean isFalse = false;

        Gdx.app.postRunnable(new Runnable() {
            @Override
            public void run() {

                //do stuff to game
                fail(); //see if the test will fail or not

            }
        });
    }
}

当我运行这个测试类时，它运行 testSetUpBoard() 并通过，而不是像它应该的那样失败。我认为，这是因为执行的代码按照 Gdx.app.postRunnable() 位于单独的线程中。有什么方法可以与 junit 线程通信，以便我可以像所描述的那样完成测试？

Answer 1

您可以像这样等待线程完成:

private boolean waitForThread = true;

@Test
public void testSetUpBoard() {


    final boolean isFalse = false;

    Gdx.app.postRunnable(new Runnable() {
        @Override
        public void run() {
            //do stuff to game            
            waitForThread = false;
        }
    });

    while(waitForThread) {
        try {
            Thread.sleep(10);
        } catch(Exception e ) {
        }
    }

    // fail or pass...
    fail(); //see if the test will fail or not
}