<?xml version="1.0" encoding="UTF-8"?>

<!-- this is a template file to test  -->

<project name="common" default="run" basedir=".">

    <description>Builds the test against first version and runs them against two</description>

    <loadproperties srcfile="${ant.file.common}/../common.properties"/>

    <loadproperties srcfile="project.properties"/>

    <target name="make-sure-projects-are-compiled">

        <ant dir="${taskA}/${apitotest}" target="compile"/>

        <ant dir="${taskB}/${apitotest}" target="compile"/>

    </target>

    <target name="compile" depends="make-sure-projects-are-compiled">

        <mkdir dir="build/tests"/>

        <echo level="info" message="Compiling the tests against old version of the API"/>

        <javac destdir="build/tests" srcdir="test">

            <classpath>

                <pathelement location="${apiA}"/>

                <pathelement location="${junit.jar}"/>

            </classpath>

        </javac>

    </target>

    <target name="run" depends="-run-binary-check,-run-source-check">

        <fail message="The test shall either compile against A and not B or run on A and fail on B, nothing like that happened">

            <condition>

                <not><or>

                    <isset property="execution.failed"/>

                    <isset property="compilation.failed"/>

                </or></not>

            </condition>

        </fail>

    </target>

    <target name="-run-binary-check" depends="compile">

        <mkdir dir="build/testresultA"/>

        <echo level="info" message="Running the tests against old version of the API"/>

        <junit dir="build/tests" failureproperty="run.on.A.shall.succeed" fork="true">

            <batchtest todir="build/testresultA">

                <fileset dir="test" includes="**/*.java"/>

            </batchtest>

            <formatter type="brief" usefile="false"/>

            <formatter type="xml"/>

            <classpath>

                <pathelement location="${apiA}"/>

                <pathelement location="${junit.jar}"/>

                <pathelement location="build/tests"/>

            </classpath>

        </junit>

        <mkdir dir="build/testresultB"/>

        <echo level="info" message="Running the same tests against new version of the API, this should fail, if there is binary or functional incompatibility"/>

        <junit dir="build/tests" failureproperty="run.on.B.shall.fail" fork="true">

            <batchtest todir="build/testresultB">

                <fileset dir="test" includes="**/*.java"/>

            </batchtest>

            <formatter type="brief" usefile="false"/>

            <formatter type="xml"/>

            <classpath>

                <pathelement location="${apiB}"/>

                <pathelement location="${junit.jar}"/>

                <pathelement location="build/tests"/>

            </classpath>

        </junit>

        <condition property="execution.failed">

            <and>

                <isset property="run.on.B.shall.fail"/>

                <not><isset property="run.on.A.shall.succeed"/></not>

            </and>

        </condition>

    </target>

    <target name="-run-source-check" depends="compile" unless="execution.failed">

        <property name="build.b" location="build/verifyitbuildsagainstB"/>

        <delete dir="${build.b}"/>

        <mkdir dir="${build.b}"/>

        <echo level="info" message="Verifying source compatibility: Compiling the tests against new version of the API"/>

        <javac destdir="${build.b}" srcdir="test" failonerror="false" fork="true">

            <classpath>

                <pathelement location="${apiB}"/>

                <pathelement location="${junit.jar}"/>

            </classpath>

        </javac>

        <uptodate property="compilation.failed">

            <srcfiles dir="${build.b}" includes="**/*.class"/>

            <mapper type="glob" from="*" to="build/tests/*"/>

        </uptodate>

    </target>

    <target name="test" depends="run"/>

    <target name="clean">

        <delete dir="build"/>

    </target>

</project>