Test of SimpleCopyApplication

SimpleCopyApplicationTest.java

package com.ttm.testswingmaven;

import org.assertj.swing.aut.getting_started.SimpleCopyApplication;
import org.assertj.swing.edt.FailOnThreadViolationRepaintManager;
import org.assertj.swing.edt.GuiActionRunner;
import org.assertj.swing.fixture.FrameFixture;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

public class SimpleCopyApplicationTest {
  private FrameFixture window;

  @BeforeClass
  public static void setUpOnce() {
    FailOnThreadViolationRepaintManager.install();
  }

  @Before
  public void setUp() {
    SimpleCopyApplication frame = GuiActionRunner.execute(() -> new SimpleCopyApplication());
    window = new FrameFixture(frame);
    window.show(); // shows the frame to test
  }

  @Test
  public void shouldCopyTextInLabelWhenClickingButton() {
    window.textBox("textToCopy").enterText("Some random text");
    window.button("copyButton").click();
    window.label("copiedText").requireText("Some random text");
  }

  @After
  public void tearDown() {
    window.cleanUp();
  }
}