AssertJ-Swing wait example

MainTest.java

package hashrock.study.swing;

import org.assertj.swing.core.GenericTypeMatcher;
import org.assertj.swing.edt.GuiActionRunner;
import org.assertj.swing.fixture.FrameFixture;
import org.assertj.swing.junit.testcase.AssertJSwingJUnitTestCase;
import org.assertj.swing.timing.Condition;
import org.junit.Test;
import static org.assertj.swing.timing.Pause.pause;
import static org.assertj.swing.timing.Timeout.timeout;
import javax.swing.*;

public class MainTest extends AssertJSwingJUnitTestCase {
    private FrameFixture window;

    @Override
    protected void onSetUp() throws Exception {
        MainFrame frame = GuiActionRunner.execute(() -> new MainFrame());
        window = new FrameFixture(robot(), frame);
        window.show();
    }

    @Test
    public void shouldTestSwing() throws InterruptedException {
        window.label("output").requireText("TODO");
        GenericTypeMatcher<JButton> textMatcher = new GenericTypeMatcher<JButton>(JButton.class, false) {
            @Override protected boolean isMatching(JButton button) {
                return "ok".equals(button.getName());
            }
        };
        JButton target = window.button(textMatcher).target();
        pause(new Condition("OK button to be enabled") {
            public boolean test() {
                return target.isVisible();
            }

        }, timeout(10000));
        window.button("ok").click();

        pause(new Condition("Label Timeout") {
            public boolean test() {
                return window.label("output").text().equals("Pressed");
            }

        }, timeout(10000));
        window.label("output").requireText("Pressed");
    }

}