how to do Unit testing for .jsp files in cq5?

Please share your Ans  how to do testing for below jsp file like using junit testing?

<%@include file="/libs/foundation/global.jsp"%>
<cq:includeClientLib categories="download" />
<acc:controller cls="com.download.controller.DownloadController"
    var="download" />

<c:set var="allLink" value="${download.alllink}" /> 
DownloadComponent
<div>
    <div id="download">
        <c:forEach items="${allLink}" var="listBean">

            <br>

            <input type="checkbox" name="type" id="${listBean.rootPath}">
            <a href="${listBean.rootPath}" id="${listBean.rootPath}1" download><br>

                <p>${listBean.name}</p>
                <br>
            <br>
            <br> </a>

        </c:forEach>
    </div>

    <br>
    <br>
    <br> <input type="button" value="Download selected"
        onclick="downloadchecked();"> <input type="button"
        value="Download all" onclick="downloadall();">
</div>

<script>

    function downloadall(){ 
        var image=document.getElementById("download").getElementsByTagName("a");

        for(i = 0;i < image.length; i++)
{
    image[i].click();
}
    };

    function downloadchecked(){ 

        var checkedIds = $(":checkbox:checked").map(function() {
        return this.id;
    }).get();

        for(j=0;j<checkedIds.length;j++){

            document.getElementById(checkedIds[j]+"1").click();

        }

    };

</script>