<path id="test.class.path">
            <pathelement location="${dist}/lib/scalatest.jar"/>
            <pathelement location="${lib}/scala-library.jar"/>
        </path>

    <target name="test" depends="dist">
    <!-- Delete the ${build} and ${dist} directory trees -->
    <java classname="org.scalatest.Runner" classpathref="test.class.path" fork="true">

        <arg value="-p"/>
        <arg value="build_tests"/>

       <arg value="-g"/>
       <arg value="-o"/>

       <arg value="-s"/>
       <arg value="org.scalatest.AllSuite"/>
    </java>
  </target>

@Test(groups = { "checkin-test" })
class All extends TestNGSuite {

  @Test(groups = { "func-test" )
  def method1() {
    expect(List(1, 2)) {
      List(1) ::: List(2)
    }
  }

  def method2() {
    assert(List(1, 2) === 1 :: List(2))
  }
}

package org.scalatest.testng;

import org.scalatest.Suite
import org.testng.TestNG
import org.testng.TestListenerAdapter
import org.testng.ITestResult

trait TestNGSuite extends Suite{

  override def execute(testName: Option[String], reporter: Reporter, stopper: Stopper, includes: Set[String], excludes: Set[String],
      properties: Map[String, Any], distributor: Option[Distributor]) {
    
    runTestNG(reporter);
    //super.execute(testName, reporter, stopper, includes, excludes, properties, distributor)
  }
  
  private class MyTestListenerAdapter( reporter: Reporter ) extends TestListenerAdapter{
    val className = TestNGSuite.this.getClass.getName
    
    override def onTestStart(result: ITestResult) = {
      reporter.testStarting( buildReport( result, None ))
    }    
    
    override def onTestSuccess(itr: ITestResult) = {
      reporter.testSucceeded( buildReport( itr, None ))
    }
    
    override def onTestFailure(itr: ITestResult) = {
    	reporter.testFailed( buildReport( itr, Some(itr.getThrowable)))
    }
    
    private def buildReport( itr: ITestResult, t: Option[Throwable] ): Report = 
      new Report(className + "." + itr.getName, className )
  }
  
  private def runTestNG(reporter: Reporter) : TestListenerAdapter = {
    val tla = new MyTestListenerAdapter(reporter);
    val testng = new TestNG();
    testng.setTestClasses(Array(this.getClass));
    testng.addListener(tla);
    testng.run();
    tla
  }
  
}



import org.scalatest.testng.TestNGSuite
import org.testng.annotations.Test

class MySuite extends TestNGSuite {

  @Test
  def testAddition() {
    val sum = 1 + 1
    assert(sum === 2)
    assert(sum + 2 === 4)
  }

  @Test
  def testSubtraction() {
    val diff = 4 - 1
    assert(diff === 3)
    assert(diff - 2 === 1)
  }
  
  @Test
  def testSubtraction2() {
    val diff = 4 - 1
    assert(diff === 3)
    assert(diff - 2 === 78)
  }  
  
}