build.xml

<project name="testng" default="runTests" basedir=".">
	<property file="build.properties"/>

	<path id="build-classpath">
		<fileset dir="${lib.dir}">
			<include name="*.jar"/>
		</fileset>
	</path>

	<path id="test-classpath">
		<path refid="build-classpath"/>
		<pathelement location="${build.dir}"/>
	</path>

	<target name="clean">
		<echo message="cleaning"/>
		<delete dir="${build.dir}"/>
		<delete dir="${testResults.dir}"/>
	</target>

	<!--compiling main source files-->
	<target name="compile-sources" depends="clean">
		<echo message="compiling main sources"/>
		<mkdir dir="${build.dir}"/>
		<javac source="1.5"
			   classpathref="build-classpath"
			   srcdir="${source.dir}"
			   destdir="${build.dir}"/>
	</target>

	<!--compiling test source files-->
	<target name="compile-tests" depends="compile-sources">
		<echo message="compiling test sources"/>
		<mkdir dir="${build.dir}"/>
		<javac source="1.5"
			   classpathref="build-classpath"
			   srcdir="${testSource.dir}"
			   destdir="${build.dir}"/>
	</target>

	<!--defining testng task-->
	<taskdef name="testng"
			 classname="org.testng.TestNGAntTask"
			 classpathref="build-classpath"/>

	<!--running the tests-->
	<target name="runTests" depends="compile-tests">
		<echo message="running tests"/>
		<testng classpathref="test-classpath" outputDir="${testResults.dir}">
			<xmlfileset dir="${testSource.dir}" includes="testng.xml"/>
			<jvmarg value="-ea"/>
		</testng>
	</target>

</project>