build.xml

<project name="TestNGTest" default="test" basedir=".">
    <!-- Define <testng> task -->
    <taskdef name="testng" classname="org.testng.TestNGAntTask">
        <classpath>
            <pathelement location="lib/testng-6.8.8.jar"/>
        </classpath>
    </taskdef>
    <property name="testdir" location="test" />
    <property name="srcdir" location="src" />
    <property name="libdir" location="lib" />
    <property name="suitesdir" location="suites" />
    <property name="full-compile" value="true" />
    <path id="classpath.base"/>
    <path id="classpath.test">
        <fileset dir="${libdir}">
            <include name="**/*.jar" />
        </fileset>
        <pathelement location="${testdir}" />
        <pathelement location="${srcdir}" />
        <path refid="classpath.base" />
    </path>
    <target name="clean" >
        <delete verbose="${full-compile}">
            <fileset dir="${testdir}" includes="**/*.class" />
        </delete>
    </target>
    <target name="compile" depends="clean">
        <javac srcdir="${srcdir}" destdir="${testdir}"
               verbose="${full-compile}">
            <classpath refid="classpath.test"/>
        </javac>
    </target>
    <target name="test" depends="compile">
        <testng outputdir="${testdir}" classpathref="classpath.test">
            <xmlfileset dir="${suitesdir}" includes="test.xml"/>
        </testng>
    </target>
</project>