RunnerTest.java :  » Testing » junit » org » junit » tests » Java Open Source

package org.junit.tests;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import junit.framework.TestCase;
import org.junit.Test;
import org.junit.runner.Description;
import org.junit.runner.JUnitCore;
import org.junit.runner.notification.RunListener;

public class RunnerTest {

  private boolean wasRun;

  public class MyListener extends RunListener {

    int testCount;

    @Override
    public void testRunStarted(Description description) {
      this.testCount= description.testCount();
    }
  }
  
  public static class Example {
    @Test public void empty() {
    }
  }
  
  @Test public void newTestCount() {
    JUnitCore runner= new JUnitCore();
    MyListener listener= new MyListener();
    runner.addListener(listener);
    runner.run(Example.class);
    assertEquals(1, listener.testCount);
  }
  
  public static class ExampleTest extends TestCase {
    public void testEmpty() {
    }
  }
  
  @Test public void oldTestCount() {
    JUnitCore runner= new JUnitCore();
    MyListener listener= new MyListener();
    runner.addListener(listener);
    runner.run(ExampleTest.class);
    assertEquals(1, listener.testCount);
  }
  
  public static class NewExample {
    @Test public void empty() {
    }
  }
  
  @Test public void testFinished() {
    JUnitCore runner= new JUnitCore();
    wasRun= false;
    RunListener listener= new MyListener() {
      @Override
      public void testFinished(Description description) {
        wasRun= true;
      }
    };
    runner.addListener(listener);
    runner.run(NewExample.class);
    assertTrue(wasRun);
  }
}