build.xml

<project name="SpockExample" basedir="." default="test" xmlns:artifact="urn:maven-artifact-ant">
  <property name="src.dir" location="src/test/groovy" />
  <property name="resource.dir" location="src/test/resources" />
  <property name="build.dir" location="ant/build" />
  <property name="lib.dir" location="ant/lib" />

  <property name="maven.ant.tasks.url" value="http://central.maven.org/maven2/org/apache/maven/maven-ant-tasks/2.1.3/maven-ant-tasks-2.1.3.jar" />
  <property name="maven.ant.tasks.jar" value="${lib.dir}${file.separator}maven-ant-tasks-2.1.3.jar" />
  <available property="maven.ant.tasks.jar.exists" file="${maven.ant.tasks.jar}" />

  <target name="bootstrap.maven.tasks" unless="maven.ant.tasks.jar.exists">
    <mkdir dir="${lib.dir}" />
    <get
      src="${maven.ant.tasks.url}"
      dest="${maven.ant.tasks.jar}" />
  </target>

  <target name="init.maven.tasks" depends="bootstrap.maven.tasks">
    <typedef
      resource="org/apache/maven/artifact/ant/antlib.xml"
      uri="urn:maven-artifact-ant"
      classpath="${maven.ant.tasks.jar}" />
  </target>

  <target name="resolve.dependencies" depends="init.maven.tasks">
    <artifact:dependencies pathId="classpath.spock">
<!-- Mandatory dependencies for using Spock -->
      <dependency
        groupId="org.spockframework"
        artifactId="spock-core"
        version="1.1-groovy-2.4" />
<!-- Optional dependencies for using Spock -->
      <!-- enables mocking of classes (in addition to interfaces) -->
      <dependency
        groupId="net.bytebuddy"
        artifactId="byte-buddy"
        version="1.6.5" />
      <!-- enables mocking of classes without parameterless constructor (together with CGLIB) -->
      <dependency
        groupId="org.objenesis"
        artifactId="objenesis"
        version="2.5.1" />
      <!-- only required if Spock's Ant selector is used, which finds spec classes regardless of their name -->
      <dependency
        groupId="org.ow2.asm"
        artifactId="asm"
        version="5.0.3" />
      <!-- only required if Hamcrest matchers are used -->
      <dependency
          groupId="org.hamcrest"
          artifactId="hamcrest-core"
          version="1.3" />
<!-- Dependencies used by examples in this project (not required for using Spock) -->
      <dependency
        groupId="com.h2database"
        artifactId="h2"
        version="1.4.182" />
      <remoteRepository
        id="maven-central"
        url="https://repo1.maven.org/maven2/" />
<!-- Only required if a snapshot version of Spock is used -->
      <remoteRepository
        id="spock-snapshots"
        url="https://oss.sonatype.org/content/repositories/snapshots/" />
    </artifact:dependencies>
  </target>

  <target name="init.groovy.tasks" depends="resolve.dependencies">
    <!-- Using the Groovy compiler from classpath.spock is a simple and safe setup -->
    <taskdef
      name="groovyc"
      classname="org.codehaus.groovy.ant.Groovyc"
      classpathref="classpath.spock" />
  </target>

  <target name="init" depends="init.groovy.tasks">
    <tstamp />
    <mkdir dir="${build.dir}" />
  </target>

  <target name="copy.resources" depends="init">
    <copy todir="${build.dir}">
      <fileset dir="${resource.dir}" />
    </copy>
  </target>

  <target name="compile" depends="copy.resources">
    <groovyc
      srcdir="${src.dir}"
      destdir="${build.dir}"
      classpathref="classpath.spock" />
  </target>

  <target name="test" depends="compile">
    <junit fork="true" forkmode="once">
      <classpath path="${build.dir}" />
      <classpath refid="classpath.spock" />
      <batchtest>
        <fileset dir="${build.dir}">
          <custom
            classname="org.spockframework.buildsupport.ant.SpecClassFileSelector"
            classpathref="classpath.spock" />
        </fileset>
      </batchtest>
      <formatter type="brief" usefile="false" />
    </junit>
  </target>

  <target name="clean">
    <delete dir="${build.dir}" />
  </target>
</project>