Trigger : 

trigger Updateincident on BMCServiceDesk__Incident__c (after insert, after update) 
{ 
    Map<ID, Case> parentCases = new Map<ID, Case>(); //Making it a map instead of list for easier lookup
    Set<ID> bmsdID = new Set<ID>();

    for(BMCServiceDesk__Incident__c childObj : Trigger.new) 
    {
        bmsdID.add(childObj.Cases__c);
    }

    parentCases = new Map<Id, Case>([SELECT id,Helpdesk_Case_Status__c,Helpdesk_Case_Resolution__c,
        (SELECT ID,Name, BMCServiceDesk__FKStatus__c,Owner.Name,BMCServiceDesk__Status_ID__c,BMCServiceDesk__incidentResolution__c FROM Incidents__r) FROM Case WHERE ID IN :bmsdID]);

    for(ID caseID : parentCases.keySet())
    {
        for(BMCServiceDesk__Incident__c incidents : parentCases.get(caseID).Incidents__r)
        {
            parentCases.get(caseID).Helpdesk_Case_Resolution__c = incidents.BMCServiceDesk__incidentResolution__c;
            parentCases.get(caseID).Helpdesk_Case_Status__c = incidents.BMCServiceDesk__Status_ID__c;
            parentCases.get(caseID).Incident_Owner__c = incidents.Owner.Name;
            parentCases.get(caseID).Incident_Number__c = incidents.Name;            
        }
    }

    update parentCases.values();
}


Test class :

@isTest
public class Updateincident_Test {
    static testMethod void UpdateIncidentTest() {    
        BMCServiceDesk__Category__c cat = new BMCServiceDesk__Category__c();
        cat.Name='SAR';
        cat.BMCServiceDesk__AvailableForIncidents__c=true;
        cat.BMCServiceDesk__inactive__c=false;
        insert cat;

        Case cs  = new Case();

        cs.Status = 'open';
        cs.Helpdesk_Case_Resolution__c = 'Test 123';
        cs.Helpdesk_Case_Status__c = 'Closed';
        cs.Incident_Owner__c = 'Naveen';
        cs.Incident_Number__c  = '12345';
        Insert cs;

        BMCServiceDesk__Incident__c inc = new BMCServiceDesk__Incident__c();
        inc.Assigned_Staff__c='005800000045QSjAAM';
        inc.Resolution_Summary__c='resolved';
        inc.Service_Request_Form_Type__c='SAR';
        inc.BMCServiceDesk__incidentDescription__c='FSJ SAR test 123';
        inc.Resource_Type__c='New Contractor';
        inc.Start_Date__c = Date.Today();
        inc.SRF_Location__c='Australia';
        inc.Cases__c = cs.id;
        inc.BMCServiceDesk__FKCategory__c=cat.Id;
        insert inc;
        Update Inc;
    }
 }

controller : 

public class ctssupportform {
    
    public static List<Attachment> attachments;
    public static final Integer DEFAULT_ATTACHMENT_NO=1;
    public String sobjId {get; set;}
    public String Appname{get; set;}
    public static Map<String, BMCServiceDesk__Category__c> catMap ;
    
    @AuraEnabled
    public static id Savesupportform(Case casedata, String fileName, String base64Data, String contentType){

        id RcrdTypeid= Schema.Sobjecttype.Case.getRecordTypeInfosByName().get('Agent Helpdesk').getRecordTypeId();
        System.debug('Casedata@@@@@@@@@@@@@@'+RcrdTypeid);
        Casedata.recordtypeid=RcrdTypeid;//'0120U0000000Aju';
        
        System.debug('Casedata@@@@@@@@@@@@@@'+Casedata);
        insert Casedata; 
        System.debug('Casedata@@@@@@@@@@@@@@'+Casedata);
        List<BMCServiceDesk__Category__c> lstcat = [Select Id,Name from BMCServiceDesk__Category__c limit 50000];
        
        catMap = new Map<String, BMCServiceDesk__Category__c>();
        
        for (BMCServiceDesk__Category__c c : lstcat ){
            catMap.put(c.Name, c);
            
        }  
        System.debug('catMap@@@@@@@@@@@@@@'+catMap);  
        
        List<BMCServiceDesk__Impact__c> lstimp = [Select Id,Name from BMCServiceDesk__Impact__c limit 4];
        
        Map<String, BMCServiceDesk__Impact__c> impmap = new Map<String, BMCServiceDesk__Impact__c>();
        
        for (BMCServiceDesk__Impact__c i : lstimp){
            impmap.put(i.Name, i);
            
        }  
        System.debug('impmap@@@@@@@@@@@@@@'+impmap);           
        
        List<BMCServiceDesk__Urgency__c> lsturg = [Select Id,Name from BMCServiceDesk__Urgency__c limit 4];
        
        Map<String, BMCServiceDesk__Urgency__c> urgmap = new Map<String, BMCServiceDesk__Urgency__c>();
        
        for (BMCServiceDesk__Urgency__c u : lsturg){
            urgmap.put(u.Name, u);
            
        }
        
           
        List<User> lstuser = [Select Id,Name from user limit 50000];
        
        Map<String, User> usermap = new Map<String, User>();
        
        for (User u1 : lstuser){
            usermap.put(u1.Name, u1);
            
        }     
              
        System.debug('urgmap@@@@@@@@@@@@@@'+usermap);
        
        System.debug('@@@@@@@@@@@@@@@@'+Casedata);
        base64Data = EncodingUtil.urlDecode(base64Data, 'UTF-8');
        System.debug('@@@@@@@@@@@@@@@@'+base64Data );
        //base64Data = 'Test';
        Attachment oAttachment = new Attachment();
        oAttachment.parentId = casedata.id;
        oAttachment.Body = EncodingUtil.base64Decode(base64Data);        
        oAttachment.Name = fileName;
        oAttachment.ContentType = contentType;
        insert oAttachment; 
        
        BMCServiceDesk__Incident__c inc = new BMCServiceDesk__Incident__c();
        inc.Cases__c = casedata.id;
        inc.BMCServiceDesk__incidentDescription__c = casedata.Type_Of_Ticket__c;
        
        string newlowerstringcategory = (casedata.Applications__c).trim();
        System.debug('newlowerstringcategory@@@'+ newlowerstringcategory);
        system.debug('catMap.get(newlowerstringcategory)   '+catMap.get(newlowerstringcategory));
        if(catMap.get(newlowerstringcategory)!= null) {       
            inc.BMCServiceDesk__FKCategory__c  = catMap.get(newlowerstringcategory).id;
            System.debug('1111111111111111'+ catMap.get(newlowerstringcategory));
            System.debug('11111111111111111'+ inc.BMCServiceDesk__FKCategory__c);
        }

        string newlowerstringuser = casedata.OwnerId;
          System.debug('11111111111111111'+ newlowerstringuser);
            if(usermap.get(newlowerstringuser)!= null) {       
            inc.BMCServiceDesk__FKClient__c= usermap.get(newlowerstringuser).id;
            System.debug('1111111111111111'+ usermap.get(newlowerstringuser));
            System.debug('11111111111111111'+ inc.BMCServiceDesk__FKClient__c);
        }
        
        //inc.BMCServiceDesk__FKClient__c = casedata.OwnerId;
        
        inc.BMCServiceDesk__Service_Request_Title__c = casedata.Subject;
        System.debug('11111111111111111'+ inc.BMCServiceDesk__Service_Request_Title__c);
        
        string newlowerstringImpact = casedata.Impact__c.touppercase();
        System.debug('newlowerstringImpact '+ newlowerstringImpact );
        
        if(impmap.get(newlowerstringImpact) != null)        
            inc.BMCServiceDesk__FKImpact__c = impmap.get(newlowerstringImpact).id;
        System.debug('impmap_getnewlowerstringImpact_id'+ impmap.get(newlowerstringImpact).id );
        System.debug('11111111111111111'+ inc.BMCServiceDesk__FKImpact__c);
        
        
        string newupperstringUrgency = casedata.Urgency__c.touppercase();
        System.debug('newupperstringUrgency '+ newupperstringUrgency );
        if(urgmap.get(newupperstringUrgency) != null)
            inc.BMCServiceDesk__FKUrgency__c= urgmap.get(newupperstringUrgency).id;
        System.debug('11111111111111111'+ inc.BMCServiceDesk__FKUrgency__c);
        
        inc.BMCServiceDesk__incidentDescription__c= casedata.Description +' '+casedata.Type_Of_Ticket__c+' '+casedata.Justification__c;
        //inc.BMCServiceDesk__incidentDescription__c= casedata.Justification__c ;
        insert inc;
        System.debug('@@@@@@@@@@@@@@@@@@@@'+inc);
        
        Attachment oAttachment1 = new Attachment();
        oAttachment1.parentId = inc.id;
        oAttachment1.Body = EncodingUtil.base64Decode(base64Data);        
        oAttachment1.Name = fileName;
        oAttachment1.ContentType = contentType;
        insert oAttachment1; 
        System.debug('@@@@@@@@@@@@@@@@@@@@'+oAttachment1); 
        
        return casedata.id;
    }
}


Test class : 

@IsTest(SeeAllData=true)
Private class Test_ctssupportform
{
   @IsTest
    static void Savesupportform()
    {      
        /*Case cs  = new Case();      
        cs.Status = 'open';
        cs.Helpdesk_Case_Resolution__c = 'Test 123';
        cs.Helpdesk_Case_Status__c = 'Closed';
        cs.Incident_Owner__c = 'Naveen';        
        cs.Incident_Number__c  = '12345';
        Insert cs;
        update cs;*/
        
        case cs1 = [Select id,Status,Helpdesk_Case_Resolution__c,Helpdesk_Case_Status__c,Incident_Owner__c,Incident_Number__c from case Limit 1];
        BMCServiceDesk__Category__c cat = new BMCServiceDesk__Category__c();
        cat.Name='SAR';
        cat.BMCServiceDesk__AvailableForIncidents__c=true;
        cat.BMCServiceDesk__inactive__c=false;
        insert cat;
        //update cat;
        
        BMCServiceDesk__Incident__c inc = new BMCServiceDesk__Incident__c();
        inc.Assigned_Staff__c='005800000045QSjAAM';
        inc.Resolution_Summary__c='resolved';
        inc.Service_Request_Form_Type__c='SAR';
        inc.BMCServiceDesk__incidentDescription__c='FSJ SAR test 123';
        inc.Resource_Type__c='New Contractor';
        inc.Start_Date__c = Date.Today();
        inc.SRF_Location__c='Australia';
        inc.Cases__c = cs1.id;
        inc.BMCServiceDesk__FKCategory__c=cat.Id;
        try{
           insert inc;
           //Update Inc;
        }catch(System.LimitException e){
        }
        
        Attachment attach=new Attachment();     
        attach.Name='Unit Test Attachment';
        Blob bodyBlob=Blob.valueOf('Unit Test Attachment Body');
        attach.body=bodyBlob;
        attach.parentId=cs1.id;
        insert attach;
       // update attach;
        
        List<Attachment> attachments=[select id, name from Attachment where parent.id=:cs1.id];
        System.assertEquals(1, attachments.size());
        
        string filename = 'Testfile';
        string fileEncoded = 'UTF-8 ';
        string type = 'Test';
        try{
         ctssupportform.Savesupportform(cs1,filename, fileEncoded, type); 
        }catch(System.DmlException e){
        }
        
    }       
}

Class:
public class ctssupportform {
    
    public static List<Attachment> attachments;
    public static final Integer DEFAULT_ATTACHMENT_NO=1;
    public String sobjId {get; set;}
    public String Appname{get; set;}
    public static Map<String, BMCServiceDesk__Category__c> catMap ;
    
    @AuraEnabled
    public static id Savesupportform(Case casedata, String fileName, String base64Data, String contentType){

        id RcrdTypeid= Schema.Sobjecttype.Case.getRecordTypeInfosByName().get('Agent Helpdesk').getRecordTypeId();
        System.debug('Casedata@@@@@@@@@@@@@@'+RcrdTypeid);
        Casedata.recordtypeid=RcrdTypeid;//'0120U0000000Aju';
        
        System.debug('Casedata@@@@@@@@@@@@@@'+Casedata);
        insert Casedata; 
        System.debug('Casedata@@@@@@@@@@@@@@'+Casedata);
        List<BMCServiceDesk__Category__c> lstcat = [Select Id,Name from BMCServiceDesk__Category__c limit 50000];
        
        catMap = new Map<String, BMCServiceDesk__Category__c>();
        
        for (BMCServiceDesk__Category__c c : lstcat ){
            catMap.put(c.Name, c);
            
        }  
        System.debug('catMap@@@@@@@@@@@@@@'+catMap);  
        
        List<BMCServiceDesk__Impact__c> lstimp = [Select Id,Name from BMCServiceDesk__Impact__c limit 4];
        
        Map<String, BMCServiceDesk__Impact__c> impmap = new Map<String, BMCServiceDesk__Impact__c>();
        
        for (BMCServiceDesk__Impact__c i : lstimp){
            impmap.put(i.Name, i);
            
        }  
        System.debug('impmap@@@@@@@@@@@@@@'+impmap);           
        
        List<BMCServiceDesk__Urgency__c> lsturg = [Select Id,Name from BMCServiceDesk__Urgency__c limit 4];
        
        Map<String, BMCServiceDesk__Urgency__c> urgmap = new Map<String, BMCServiceDesk__Urgency__c>();
        
        for (BMCServiceDesk__Urgency__c u : lsturg){
            urgmap.put(u.Name, u);
            
        }
        
           
        List<User> lstuser = [Select Id,Name from user limit 50000];
        
        Map<String, User> usermap = new Map<String, User>();
        
        for (User u1 : lstuser){
            usermap.put(u1.Name, u1);
            
        }     
              
        System.debug('urgmap@@@@@@@@@@@@@@'+usermap);
        
        System.debug('@@@@@@@@@@@@@@@@'+Casedata);
        base64Data = EncodingUtil.urlDecode(base64Data, 'UTF-8');
        System.debug('@@@@@@@@@@@@@@@@'+base64Data );
        //base64Data = 'Test';
        Attachment oAttachment = new Attachment();
        oAttachment.parentId = casedata.id;
        oAttachment.Body = EncodingUtil.base64Decode(base64Data);        
        oAttachment.Name = fileName;
        oAttachment.ContentType = contentType;
        insert oAttachment; 
        
        BMCServiceDesk__Incident__c inc = new BMCServiceDesk__Incident__c();
        inc.Cases__c = casedata.id;
        inc.BMCServiceDesk__incidentDescription__c = casedata.Type_Of_Ticket__c;
        
        string newlowerstringcategory = (casedata.Applications__c).trim();
        System.debug('newlowerstringcategory@@@'+ newlowerstringcategory);
        system.debug('catMap.get(newlowerstringcategory)   '+catMap.get(newlowerstringcategory));
        if(catMap.get(newlowerstringcategory)!= null) {       
            inc.BMCServiceDesk__FKCategory__c  = catMap.get(newlowerstringcategory).id;
            System.debug('1111111111111111'+ catMap.get(newlowerstringcategory));
            System.debug('11111111111111111'+ inc.BMCServiceDesk__FKCategory__c);
        }

        string newlowerstringuser = casedata.OwnerId;
          System.debug('11111111111111111'+ newlowerstringuser);
            if(usermap.get(newlowerstringuser)!= null) {       
            inc.BMCServiceDesk__FKClient__c= usermap.get(newlowerstringuser).id;
            System.debug('1111111111111111'+ usermap.get(newlowerstringuser));
            System.debug('11111111111111111'+ inc.BMCServiceDesk__FKClient__c);
        }
        
        //inc.BMCServiceDesk__FKClient__c = casedata.OwnerId;
        
        inc.BMCServiceDesk__Service_Request_Title__c = casedata.Subject;
        System.debug('11111111111111111'+ inc.BMCServiceDesk__Service_Request_Title__c);
        
        string newlowerstringImpact = casedata.Impact__c.touppercase();
        System.debug('newlowerstringImpact '+ newlowerstringImpact );
        
        if(impmap.get(newlowerstringImpact) != null)        
            inc.BMCServiceDesk__FKImpact__c = impmap.get(newlowerstringImpact).id;
        System.debug('impmap_getnewlowerstringImpact_id'+ impmap.get(newlowerstringImpact).id );
        System.debug('11111111111111111'+ inc.BMCServiceDesk__FKImpact__c);
        
        
        string newupperstringUrgency = casedata.Urgency__c.touppercase();
        System.debug('newupperstringUrgency '+ newupperstringUrgency );
        if(urgmap.get(newupperstringUrgency) != null)
            inc.BMCServiceDesk__FKUrgency__c= urgmap.get(newupperstringUrgency).id;
        System.debug('11111111111111111'+ inc.BMCServiceDesk__FKUrgency__c);
        
        inc.BMCServiceDesk__incidentDescription__c= casedata.Description +' '+casedata.Type_Of_Ticket__c+' '+casedata.Justification__c;
        //inc.BMCServiceDesk__incidentDescription__c= casedata.Justification__c ;
        insert inc;
        System.debug('@@@@@@@@@@@@@@@@@@@@'+inc);
        
        Attachment oAttachment1 = new Attachment();
        oAttachment1.parentId = inc.id;
        oAttachment1.Body = EncodingUtil.base64Decode(base64Data);        
        oAttachment1.Name = fileName;
        oAttachment1.ContentType = contentType;
        insert oAttachment1; 
        System.debug('@@@@@@@@@@@@@@@@@@@@'+oAttachment1); 
        
        return casedata.id;
    }
}

Test Class :

@IsTest
Private class Test_ctssupportform
{
   @IsTest
    static void Savesupportform(){  
    
       Case cs  = new Case();
      
        cs.Status = 'open';
        cs.Helpdesk_Case_Resolution__c = 'Test 123';
        cs.Helpdesk_Case_Status__c = 'Closed';
        cs.Incident_Owner__c = 'Naveen';
        cs.Incident_Number__c  = '12345';
        Insert cs;
        
        
        Attachment attach=new Attachment();     
        attach.Name='Unit Test Attachment';
        Blob bodyBlob=Blob.valueOf('Unit Test Attachment Body');
        attach.body=bodyBlob;
        attach.parentId=cs.id;
        insert attach;
        
        List<Attachment> attachments=[select id, name from Attachment where parent.id=:cs.id];
        System.assertEquals(1, attachments.size()); 
        
        //ctssupportform ct = new ctssupportform(cs);
                 
    
    }   
}

JavaScript Controller :
({
	doSubmit : function(cmp, evt, hlpr) {
		var fileInput = cmp.find("fileId").get("v.files");
		var file = fileInput[0];
        
		var objFileReader = new FileReader();
        //alert(file);
        //console.log(file);
		objFileReader.onload = $A.getCallback(function() {
			var fileContents = objFileReader.result;
            var base64 = 'base64,';
           var dataStart = fileContents.indexOf(base64) + base64.length;
           fileContents = fileContents.substring(dataStart);
             console.log(encodeURIComponent(fileContents));
			//  call apex function SaveRegistrationDetail to save data in reg form
			//  also we have to pass RegForm as a parameter
			var casedata = cmp.get("v.casedata");

     
            // you can specify the base url
             //var redUrl ="https://ntgr--fullcopy.lightning.force.com/one/one.app#/sObject/";
             //window.open(redUrl+firstId);
  
			// create a one-time use instance of the SaveRegistrationDetail action
			// in the server-side controller
			var action = cmp.get("c.Savesupportform");
			action.setParams({
				casedata  : casedata,
				fileName: file.name,
				base64Data: encodeURIComponent(fileContents),
				contentType: file.type
			});
			// Create a callback that is executed after
			// the server-side action returns
			action.setCallback(this, function(response) {
				var state = response.getState();
                //alert(state);
				 if (state === "SUCCESS") {
					// Alert the user with the value returned
					// from the server
					cmp.set("v.isDataSubmitted", 'True');
					var parentId = response.getReturnValue();
					cmp.set("v.RegistrationRecordId",parentId);
					//alert('Record created succesfully'+''+ parentId);
                 window.location.href = "/" + parentId;                           
				}
				else if (state === "ERROR") {
					var errors = response.getError();
					if (errors) {
						if (errors[0] && errors[0].message) {
							console.log("Error message: " +
									 errors[0].message);
						}
					} else {
						console.log("Unknown error");
					}
				}
			});
			// $A.enqueueAction adds the server-side action to the queue.
			var radio=cmp.get('c.handleChange');
			$A.enqueueAction(action,radio); 
		});
        objFileReader.readAsDataURL(file);
	},
   
    handleFilesChange: function(component, event, helper) {
        //alert('fileselected');
        var fileName = 'No File Selected..';
        if (event.getSource().get("v.files").length > 0) {
            fileName = event.getSource().get("v.files")[0]['name'];
        }
        component.set("v.fileName", fileName);
        //alert(fileName);
    },
   
    handleClick : function (component ,event,helper){
       
        var nxtbtnonRadio=component.get("v.options");
        var nxtbtonSelect=component.find("mySelect");
        
        var nxtSelect=nxtbtonSelect.get("v.value");
          
        if(nxtbtnonRadio != null && nxtSelect.trim() != null ){
            component.set("isDataSubmitted", true);
        }
      
    },
   
    handleChange: function (cmp, event) {
        var changeValue = event.getParam("value");
        console.log("On change : "+changeValue);
        cmp.set("v.radioSelect", changeValue);
        //alert(changeValue);      
                                //var actn=component.get("c.handleClick");
           //actn.$meth$();
               
    },
   
   toggle: function (component, event, helper) {
   
    var sel = component.find("mySelect");
    var nav = sel.get("v.value");
   
    if (nav.trim() == "Support-User Creation") {
    component.set("v.userCreation", true);
     
        }
        else{
            component.set("v.userCreation", false);
        }
        if(nav.trim() == "Support-User Termination"){
        component.set("v.UserTermination", true);
       }
        else{
            component.set("v.UserTermination", false);
        }
         if(nav.trim() == "Support-User Update Permissions"){
                component.set("v.updatePermission" , true);
            }
        else{
            component.set("v.updatePermission" , false);
        }
    },
   
    nextButtonClickHandler : function(component, event, helper){
    var sel = component.find("mySelect");
    var nav = sel.get("v.value");
        if(nav !== '--None--' && component.get("v.radioSelect") !== '') {
            component.set("v.Isforsecond", true); 
        }
    },
   
    doInit : function(component, event, helper) {
       /*
        //Send LC Host as parameter to VF page so VF page can send message to LC; make it all dynamic
        component.set('v.lcHost', window.location.hostname);
 
        var frameSrc = '/apex/UploadFilePage?id=' + component.get('v.RegistrationRecordId') + '&lcHost=' + component.get('v.lcHost');
        console.log('frameSrc:' , frameSrc);
        component.set('v.frameSrc', frameSrc);
 
        //Add message listener
        window.addEventListener("message", function(event) {
 
            console.log('event.data:', event.data);
 
            // Handle the message
            if(event.data.state == 'LOADED'){
                //Set vfHost which will be used later to send message
                component.set('v.vfHost', event.data.vfHost);
                //alert('file loaded');
            }
 
            if(event.data.state == 'uploadFileSelected'){
                component.find('uploadFileButton').set('v.disabled', false);
                //alert('upload file selected');
               
            }
 
            if(event.data.state == 'fileUploadprocessed'){
                var uiMessage = component.find('uiMessage');
                //Disable Upload button until file is selected again
                component.find('uploadFileButton').set('v.disabled', true);
                //alert('file upload is true');
 
          $A.createComponents([
                        ["markup://ui:message",{
                            "body" : event.data.message,
                            "severity" : event.data.messageType,
                        }]
                    ],
                    function(components, status, errorMessage){
                       //alert('create component');
                        if (status === "SUCCESS") {
                            var message = components[0];
                            // set the body of the ui:message to be the ui:outputText
                            component.find('uiMessage').set("v.body", message);
                        }
                        else if (status === "INCOMPLETE") {
                            console.log("No response from server or client is offline.")
                            // Show offline error
                        }
                        else if (status === "ERROR") {
                            console.log("Error: " + errorMessage);
                            // Show error message
                        }
                    }
                );
            }
        }, false);
		*/
    },
    sendMessageone: function(component, event, helper) {
        //Clear UI message before trying for file upload again
        component.find('uiMessage').set("v.body",[]);
 
        //Prepare message in the format required in VF page
        var message = {
            "uploadFile" : true
        } ;
        //Send message to VF
        var sndmsg=component.set("v.sendmsg", true);
      
        helper.sendMessage(component, message);
    },
    setIframeCaseId : function(component, event, helper) {
        component.set("v.formSubmitStatus", "");
        var message = {
            "recordId" : event.target.value
        };
        helper.sendMessage(component, helper, message);
    },
    handleFormSubmit: function(component, event, helper) {
        //alert('file is uploading');
        console.log('file is uploading');
       var message = {
            "uploadFile" : true
        };
        helper.sendMessage(component, helper, message);
    }
})

({
	doSubmit : function(cmp, evt, hlpr) {
		var fileInput = cmp.find("fileId").get("v.files");
		var file = fileInput[0];
		var objFileReader = new FileReader();
        //alert(file);
        //console.log(file);
		objFileReader.onload = $A.getCallback(function() {
			var fileContents = objFileReader.result;
            var base64 = 'base64,';
           var dataStart = fileContents.indexOf(base64) + base64.length;
           fileContents = fileContents.substring(dataStart);
             console.log(encodeURIComponent(fileContents));
			//  call apex function SaveRegistrationDetail to save data in reg form
			//  also we have to pass RegForm as a parameter
			var casedata = cmp.get("v.casedata");
            var firstId = casedata[0].Id;
            var navEvt = $A.get("e.force:navigateToSObject");
            navEvt.setParams({"recordId": [firstId]});
            navEvt.fire();
     
            // you can specify the base url
             //var redUrl ="https://ntgr--fullcopy.lightning.force.com/one/one.app#/sObject/";
             //window.open(redUrl+firstId);
  
			// create a one-time use instance of the SaveRegistrationDetail action
			// in the server-side controller
			var action = cmp.get("c.Savesupportform");
			action.setParams({
				casedata  : casedata,
				fileName: file.name,
				base64Data: encodeURIComponent(fileContents),
				contentType: file.type
			});
			// Create a callback that is executed after
			// the server-side action returns
			action.setCallback(this, function(response) {
				var state = response.getState();
                //alert(state);
				 if (state === "SUCCESS") {
					// Alert the user with the value returned
					// from the server
					cmp.set("v.isDataSubmitted", 'True');
					var parentId = response.getReturnValue();
					cmp.set("v.RegistrationRecordId",parentId);
					alert('Record created succesfully'+''+ parentId);
				}
				else if (state === "ERROR") {
					var errors = response.getError();
					if (errors) {
						if (errors[0] && errors[0].message) {
							console.log("Error message: " +
									 errors[0].message);
						}
					} else {
						console.log("Unknown error");
					}
				}
			});
			// $A.enqueueAction adds the server-side action to the queue.
			var radio=cmp.get('c.handleChange');
			$A.enqueueAction(action,radio); 
		});
        objFileReader.readAsDataURL(file);
	},
   
    handleFilesChange: function(component, event, helper) {
        //alert('fileselected');
        var fileName = 'No File Selected..';
        if (event.getSource().get("v.files").length > 0) {
            fileName = event.getSource().get("v.files")[0]['name'];
        }
        component.set("v.fileName", fileName);
        //alert(fileName);
    },
   
    handleClick : function (component ,event,helper){
       
        var nxtbtnonRadio=component.get("v.options");
        var nxtbtonSelect=component.find("mySelect");
        
        var nxtSelect=nxtbtonSelect.get("v.value");
          
        if(nxtbtnonRadio != null && nxtSelect.trim() != null ){
            component.set("isDataSubmitted", true);
        }
      
    },
   
    handleChange: function (cmp, event) {
        var changeValue = event.getParam("value");
        console.log("On change : "+changeValue);
        cmp.set("v.radioSelect", changeValue);
        //alert(changeValue);      
                                //var actn=component.get("c.handleClick");
           //actn.$meth$();
               
    },
   
   toggle: function (component, event, helper) {
   
    var sel = component.find("mySelect");
    var nav = sel.get("v.value");
   
    if (nav.trim() == "Support-User Creation") {
    component.set("v.userCreation", true);
     
        }
        else{
            component.set("v.userCreation", false);
        }
        if(nav.trim() == "Support-User Termination"){
        component.set("v.UserTermination", true);
       }
        else{
            component.set("v.UserTermination", false);
        }
         if(nav.trim() == "Support-User Update Permissions"){
                component.set("v.updatePermission" , true);
            }
        else{
            component.set("v.updatePermission" , false);
        }
    },
   
    nextButtonClickHandler : function(component, event, helper){
    var sel = component.find("mySelect");
    var nav = sel.get("v.value");
        if(nav !== '--None--' && component.get("v.radioSelect") !== '') {
            component.set("v.Isforsecond", true); 
        }
    },
   
    doInit : function(component, event, helper) {
       /*
        //Send LC Host as parameter to VF page so VF page can send message to LC; make it all dynamic
        component.set('v.lcHost', window.location.hostname);
 
        var frameSrc = '/apex/UploadFilePage?id=' + component.get('v.RegistrationRecordId') + '&lcHost=' + component.get('v.lcHost');
        console.log('frameSrc:' , frameSrc);
        component.set('v.frameSrc', frameSrc);
 
        //Add message listener
        window.addEventListener("message", function(event) {
 
            console.log('event.data:', event.data);
 
            // Handle the message
            if(event.data.state == 'LOADED'){
                //Set vfHost which will be used later to send message
                component.set('v.vfHost', event.data.vfHost);
                //alert('file loaded');
            }
 
            if(event.data.state == 'uploadFileSelected'){
                component.find('uploadFileButton').set('v.disabled', false);
                //alert('upload file selected');
               
            }
 
            if(event.data.state == 'fileUploadprocessed'){
                var uiMessage = component.find('uiMessage');
                //Disable Upload button until file is selected again
                component.find('uploadFileButton').set('v.disabled', true);
                //alert('file upload is true');
 
          $A.createComponents([
                        ["markup://ui:message",{
                            "body" : event.data.message,
                            "severity" : event.data.messageType,
                        }]
                    ],
                    function(components, status, errorMessage){
                       //alert('create component');
                        if (status === "SUCCESS") {
                            var message = components[0];
                            // set the body of the ui:message to be the ui:outputText
                            component.find('uiMessage').set("v.body", message);
                        }
                        else if (status === "INCOMPLETE") {
                            console.log("No response from server or client is offline.")
                            // Show offline error
                        }
                        else if (status === "ERROR") {
                            console.log("Error: " + errorMessage);
                            // Show error message
                        }
                    }
                );
            }
        }, false);
		*/
    },
    sendMessageone: function(component, event, helper) {
        //Clear UI message before trying for file upload again
        component.find('uiMessage').set("v.body",[]);
 
        //Prepare message in the format required in VF page
        var message = {
            "uploadFile" : true
        } ;
        //Send message to VF
        var sndmsg=component.set("v.sendmsg", true);
      
        helper.sendMessage(component, message);
    },
    setIframeCaseId : function(component, event, helper) {
        component.set("v.formSubmitStatus", "");
        var message = {
            "recordId" : event.target.value
        };
        helper.sendMessage(component, helper, message);
    },
    handleFormSubmit: function(component, event, helper) {
        //alert('file is uploading');
        console.log('file is uploading');
       var message = {
            "uploadFile" : true
        };
        helper.sendMessage(component, helper, message);
    }
})

Component Code :

<aura:component controller="ctssupportform" implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction">
    
    <aura:attribute name="pageHeading" type="string" default="CEP Helpdesk"/>
    <aura:attribute name="userCreation"  type="boolean" default="false"/>
    <aura:attribute name="UserTermination" type="boolean" default="false"/>
    <aura:attribute name="updatePermission" type="boolean" default="false"/>
    <aura:attribute name="isDataSubmitted" type="Boolean" default="true" />
    <aura:attribute name="Isforsecond" type="Boolean" default="false"/> 
    <aura:attribute name="radioSelect" type="String" default=""/> 
    <aura:attribute name="Nxtbuttonvalidate" type="boolean" default="false"/>   
    <aura:attribute name="frameWidth" type="String" default="200" /><!--250-->
    <aura:attribute name="frameHeight" type="String" default="80" /><!--30-->  
    <aura:attribute name="recordId" type="Id" default="'sobjectType':'attachment','Id':''"/>
    
    <!-- Needed to send messages to VF page. But we will get it from VF itself -->
    <aura:attribute name="vfHost" type="String" default="" />
    <!-- Domain of LC for VF to send message -->
    <aura:attribute name="lcHost" type="String" />
    <aura:attribute name="body" type="string" default=""/>
    
    <aura:handler name="init" value="{!this}" action="{!c.doInit}" />
    
    <aura:attribute name="frameSrc" type="String" />
    
    
    
    <aura:attribute name="applicationdata" type="string[]" default="--None--,Please select an application,
                                                                    CTS,
                                                                    Support-ECOs,
                                                                    Knowledge Base,
                                                                    Lithium(Community),
                                                                    Support-LMS,
                                                                    My net,
                                                                    Support Site,
                                                                    Yapper,
                                                                    Support-IVR or dial tone call Routing,
                                                                    Support-Telco line Issue,
                                                                    Support-Others,
                                                                    Support-User Creation,
                                                                    Support-User Termination,
                                                                    Support-User Update Permissions,Chat"/>
    
    <aura:attribute name="urgdata" type="string[]" default="Low,Medium,High"/>
    <aura:attribute name="Impactdata" type="string[]" default="Low,Medium,High"/>
    <aura:attribute name="casedata" type="Case" default="{'sobjectType':'Case'}"/>
    <aura:attribute name="options" type="List" default="[
                                                        {'label': 'I want to report a down time with an application', 'value': 'I want to report a down time with an application'},
                                                        {'label': 'I want to request a new user account / update permissions to an existing account/terminate an existing account', 'value': 'I want to request a new user account / update permissions to an existing account/terminate an existing account'},
                                                        {'label': 'I want to report a bug / issue', 'value': 'I want to report a bug / issue'},
                                                        {'label': 'I want to request a new report', 'value': 'I want to request a new report'},
                                                        {'label': 'I want to request a new functionality / project', 'value': 'I want to request a new functionality / project'},
                                                        {'label': 'I want to report a telco issue', 'value': 'I want to report a telco issue'},
                                                        {'label': 'I want to request technical assistance', 'value': 'I want to request technical assistance'}]"
                    />
    
    <aura:handler event="aura:waiting" action="{!c.waiting}"/>
    <aura:handler event="aura:doneWaiting" action="{!c.doneWaiting}"/>
    
    <div class="slds-m-top--xx-large">
        <div class="slds-page-header">
            <div class="slds-align--absolute-center">
                <div class="slds-text-heading--large">
                    <div class="slds-media">
                        <div class="slds-media__figure">
                            <span class="slds-icon_container slds-icon-standard-opportunity" title="Description of icon when needed">
                                
                            </span>
                        </div>
                        <div class="slds-media__body">
                            <h1 class="slds-page-header__title slds-truncate slds-align-middle" title="Rohde Corp - 80,000 Widgets">{!v.pageHeading}</h1>
                            
                        </div>
                    </div>
                </div>
                
            </div>
            
            <br/><br/>
            <div class="slds-align--absolute-center">
                <div class="slds-size--3-of-8">
                    
                    <!-- <lightning:accordion activeSectionName="Page1">
          <lightning:accordionSection name="page1" label="Select the type of ticket:">-->
                    <lightning:radioGroup aura:id="mygroup" name="radioButtonGroup" label="" options="{! v.options }" value="{! v.casedata.Type_Of_Ticket__c}" onchange="{!c.handleChange }">  </lightning:radioGroup><br/>
                    
                    <div class="setcolorwhite">
                        <lightning:select label="Please select one Applications" name="mySelect" value="{!v.casedata.Applications__c}" aura:id="mySelect" class="labelcolor"  onchange="{!c.toggle}">
                            <aura:iteration items="{!v.applicationdata}" var="appl" >
                                <option value="{!appl}" text="{!appl}"/>
                            </aura:iteration>
                        </lightning:select>
                    </div>
                    
                    //Excel form will display based on the picklist value
                    <aura:if isTrue="{!and(v.options, v.userCreation)}">
                        <div aura:id="Support-User Creation" class="slds-grid slds-wrap slds-p-vertical_medium">
                            <span class="excel_format" style="display:inline;">
                                <a href='https://help.net-support.com/User_Management_template_version1.0.xlsx' target="_blank">Download sample and attach to ticket</a>
                            </span>
                        </div>
                    </aura:if>
                    
                    <aura:if isTrue="{!and(v.options, v.UserTermination)}">
                        <div aura:id="Support-User Termination" class="demo-only demo-only--sizing slds-grid slds-wrap slds-p-vertical_medium">
                            <span class="excel_format" style="display:inline;">
                                <a href='https://help.net-support.com/User_Management_template_version1.0.xlsx' target="_blank">Download sample and attach to ticket</a>
                            </span>
                        </div>
                    </aura:if>
                    <aura:if isTrue="{!and(v.options, v.updatePermission)}">
                        <div aura:id="Support-User Update Permissions" class="demo-only demo-only--sizing slds-grid slds-wrap slds-p-vertical_medium">
                            <span class="excel_format" style="display:inline;">
                                <a href='https://help.net-support.com/User_Management_template_version1.0.xlsx' target="_blank">Download sample and attach to ticket</a>
                            </span>
                        </div>
                    </aura:if>
                    
                    <div class="slds-m-top_large">
                        <lightning:button type="button" class="slds-button slds-button_brand" label="NEXT" onclick="{!c.nextButtonClickHandler}"/>
                    </div>  
                    
                    
                    <!--<lightning:accordionSection name="page2" label="Please fill out the following form :">-->
                    <aura:if isTrue="{!v.Isforsecond}">
                        <lightning:input label="Subject" name="myname" value="{!v.casedata.Subject}"/>
                        
                        <lightning:select label="Urgency" name="urgency" value="{!v.casedata.Urgency__c}">
                            <aura:iteration items="{!v.urgdata}" var="urg">
                                <option value="{!urg}" text="{!urg}"/>
                            </aura:iteration>
                        </lightning:select>
                        
                        <lightning:select label="Impact" name="impact" value="{!v.casedata.Impact__c}">
                            <aura:iteration items="{!v.Impactdata}" var="imd">
                                <option value="{!imd}" text="{!imd}"/>
                            </aura:iteration>
                        </lightning:select>
                        
                        <lightning:input label="Description" name="string" value="{!v.casedata.Description}"/>       
                        <lightning:input label="Justification" name="justify" value="{!v.casedata.Justification__c}"/><br/>
                        
                        <div class="file-upload">
                            <div aura:id="uiMessage">{!v.body}</div>
                            <iframe aura:id="vfFrame" src="{!v.frameSrc}" width="{!v.frameWidth}" height="{!v.frameHeight}" class="vfFrame" frameBorder="0"  scrolling="no"/>
                        </div>
                        <div class="slds-m-top_large">
                            <lightning:button type="button" class="slds-button slds-button_brand" label="next" onclick="{!c.handleFormSubmit}" disabled="true" aura:id="uploadFileButton"/>
                        </div>
                        
                           <div class="slds-m-top_large">
                            <p><lightning:button iconName="utility:Submit" class="slds-button slds-button_brand" label="Submit" variant="border-filled" onclick="{!c.doSubmit}"/></p>
                            <br/>
                        </div>
                    </aura:if>  
                    
                    
                </div>
                
                
            </div>
        </div>
    </div>
    
</aura:component>

Controller :

({
		doSubmit : function(cmp, evt, hlpr) {
		//  call apex function SaveRegistrationDetail to save data in reg form 
		//  also we have to pass RegForm as a parameter
		var casedata = cmp.get("v.casedata");
        
         // create a one-time use instance of the SaveRegistrationDetail action
        // in the server-side controller
        var action = cmp.get("c.Savesupportform");
            
        action.setParams({ casedata  : casedata });

        // Create a callback that is executed after 
        // the server-side action returns
        action.setCallback(this, function(response) {
            var state = response.getState();
             if (state === "SUCCESS") {
                // Alert the user with the value returned 
                // from the server
                          cmp.set("v.isDataSubmitted", 'True');
                          var parentId = response.getReturnValue();
                          cmp.set("v.RegistrationRecordId",parentId);
                               alert('Record created succesfully'+''+ parentId);
                         				
                           }
           
            else if (state === "ERROR") {
                var errors = response.getError();
                if (errors) {
                    if (errors[0] && errors[0].message) {
                        console.log("Error message: " + 
                                 errors[0].message);
                    }
                } else {
                    console.log("Unknown error");
                }
       
        
       
            }
        });
        // $A.enqueueAction adds the server-side action to the queue.
        var radio=cmp.get('c.handleChange');
            
        $A.enqueueAction(action,radio);  
                      
	},
    
    handleClick : function (component ,event,helper){
        
        var nxtbtnonRadio=component.get("v.options");
        var nxtbtonSelect=component.find("mySelect");
        
        var nxtSelect=nxtbtonSelect.get("v.value");
           
        if(nxtbtnonRadio != null && nxtSelect.trim() != null ){
            component.set("isDataSubmitted", true);
        }
       
    },
    
    handleChange: function (cmp, event) {
        var changeValue = event.getParam("value");
        console.log("On change : "+changeValue);
        cmp.set("v.radioSelect", changeValue);
        alert(changeValue);       
		//var actn=component.get("c.handleClick");
           //actn.$meth$();
                
    },
    
   toggle: function (component, event, helper) {
    
    var sel = component.find("mySelect");
    var nav = sel.get("v.value");
    
    if (nav.trim() == "Support-User Creation") {
    component.set("v.userCreation", true);
      
        }
        else{
            component.set("v.userCreation", false);
        }
        if(nav.trim() == "Support-User Termination"){
        component.set("v.UserTermination", true);
       }
        else{
            component.set("v.UserTermination", false);
        }
         if(nav.trim() == "Support-User Update Permissions"){
                component.set("v.updatePermission" , true);
            }
        else{
            component.set("v.updatePermission" , false);
        }
    },
    
    nextButtonClickHandler : function(component, event, helper){
    var sel = component.find("mySelect");
    var nav = sel.get("v.value");
        if(nav !== '--None--' && component.get("v.radioSelect") !== '') {
            component.set("v.Isforsecond", true);  
        }
    },
    
    doInit : function(component, event, helper) {
        
        //Send LC Host as parameter to VF page so VF page can send message to LC; make it all dynamic
        component.set('v.lcHost', window.location.hostname);

        var frameSrc = '/apex/UploadFilePage?id=' + component.get('v.recordId') + '&lcHost=' + component.get('v.lcHost');
        console.log('frameSrc:' , frameSrc);
        component.set('v.frameSrc', frameSrc);

        //Add message listener
        window.addEventListener("message", function(event) {

            console.log('event.data:', event.data);

            // Handle the message
            if(event.data.state == 'LOADED'){
                //Set vfHost which will be used later to send message
                component.set('v.vfHost', event.data.vfHost);
                alert('file loaded');
            }

            if(event.data.state == 'uploadFileSelected'){
                component.find('uploadFileButton').set('v.disabled', false);
                alert('upload file selected');
                
            }

            if(event.data.state == 'fileUploadprocessed'){
                var uiMessage = component.find('uiMessage');
                //Disable Upload button until file is selected again
                component.find('uploadFileButton').set('v.disabled', true);
                alert('file upload is true');

          $A.createComponents([
                        ["markup://ui:message",{
                            "body" : event.data.message,
                            "severity" : event.data.messageType,
                        }]
                    ],
                    function(components, status, errorMessage){
                       alert('create component');
                        if (status === "SUCCESS") {
                            var message = components[0];
                            // set the body of the ui:message to be the ui:outputText
                            component.find('uiMessage').set("v.body", message);
                        }
                        else if (status === "INCOMPLETE") {
                            console.log("No response from server or client is offline.")
                            // Show offline error
                        }
                        else if (status === "ERROR") {
                            console.log("Error: " + errorMessage);
                            // Show error message
                        }
                    }
                );
            }
        }, false);
    },
    sendMessageone: function(component, event, helper) {
        //Clear UI message before trying for file upload again
        component.find('uiMessage').set("v.body",[]);

        //Prepare message in the format required in VF page
        var message = {
            "uploadFile" : true
        } ;
        //Send message to VF
        var sndmsg=component.set("v.sendmsg", true);
       
        helper.sendMessage(component, message);
    },
    setIframeCaseId : function(component, event, helper) {
        component.set("v.formSubmitStatus", "");
        var message = {
            "recordId" : event.target.value
        };
        helper.sendMessage(component, helper, message);
    },
    handleFormSubmit: function(component, event, helper) {
        alert('file is uploading');
        console.log('file is uploading');
        var message = {
            "uploadFile" : true
        };
        helper.sendMessage(component, helper, message);
    }
})

Helper :

({
    
    sendMessage: function(component, helper, message){
        alert('send message1');
        //Send message to VF
        message.origin = window.location.hostname;
        var vfWindow = component.find("vfFrame").getElement().contentWindow;
        vfWindow.postMessage(message, component.get("v.vfHost"));
        console.log('file load data' , vfWindow);
		},

<aura:component controller="ctssupportform" implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction">
    
    <aura:attribute name="pageHeading" type="string" default="CEP Helpdesk"/>
    <aura:attribute name="userCreation"  type="boolean" default="false"/>
    <aura:attribute name="UserTermination" type="boolean" default="false"/>
    <aura:attribute name="updatePermission" type="boolean" default="false"/>
    <aura:attribute name="isDataSubmitted" type="Boolean" default="true" />
    <aura:attribute name="Isforsecond" type="Boolean" default="false"/> 
    <aura:attribute name="radioSelect" type="String" default=""/> 
    <aura:attribute name="Nxtbuttonvalidate" type="boolean" default="false"/>   
    <aura:attribute name="frameWidth" type="String" default="200" /><!--250-->
    <aura:attribute name="frameHeight" type="String" default="80" /><!--30-->  
    <aura:attribute name="recordId" type="Id" default="'sobjectType':'attachment','Id':''"/>
    
    <!-- Needed to send messages to VF page. But we will get it from VF itself -->
    <aura:attribute name="vfHost" type="String" default="" />
    <!-- Domain of LC for VF to send message -->
    <aura:attribute name="lcHost" type="String" />
    <aura:attribute name="body" type="string" default=""/>
    
    <aura:handler name="init" value="{!this}" action="{!c.doInit}" />
    
    <aura:attribute name="frameSrc" type="String" />
    
    
    
    <aura:attribute name="applicationdata" type="string[]" default="--None--,Please select an application,
                                                                    CTS,
                                                                    Support-ECOs,
                                                                    Knowledge Base,
                                                                    Lithium(Community),
                                                                    Support-LMS,
                                                                    My net,
                                                                    Support Site,
                                                                    Yapper,
                                                                    Support-IVR or dial tone call Routing,
                                                                    Support-Telco line Issue,
                                                                    Support-Others,
                                                                    Support-User Creation,
                                                                    Support-User Termination,
                                                                    Support-User Update Permissions,Chat"/>
    
    <aura:attribute name="urgdata" type="string[]" default="Low,Medium,High"/>
    <aura:attribute name="Impactdata" type="string[]" default="Low,Medium,High"/>
    <aura:attribute name="casedata" type="Case" default="{'sobjectType':'Case'}"/>
    <aura:attribute name="options" type="List" default="[
                                                        {'label': 'I want to report a down time with an application', 'value': 'I want to report a down time with an application'},
                                                        {'label': 'I want to request a new user account / update permissions to an existing account/terminate an existing account', 'value': 'I want to request a new user account / update permissions to an existing account/terminate an existing account'},
                                                        {'label': 'I want to report a bug / issue', 'value': 'I want to report a bug / issue'},
                                                        {'label': 'I want to request a new report', 'value': 'I want to request a new report'},
                                                        {'label': 'I want to request a new functionality / project', 'value': 'I want to request a new functionality / project'},
                                                        {'label': 'I want to report a telco issue', 'value': 'I want to report a telco issue'},
                                                        {'label': 'I want to request technical assistance', 'value': 'I want to request technical assistance'}]"
                    />
    
    <aura:handler event="aura:waiting" action="{!c.waiting}"/>
    <aura:handler event="aura:doneWaiting" action="{!c.doneWaiting}"/>
    
    <div class="slds-m-top--xx-large">
        <div class="slds-page-header">
            <div class="slds-align--absolute-center">
                <div class="slds-text-heading--large">
                    <div class="slds-media">
                        <div class="slds-media__figure">
                            <span class="slds-icon_container slds-icon-standard-opportunity" title="Description of icon when needed">
                                
                            </span>
                        </div>
                        <div class="slds-media__body">
                            <h1 class="slds-page-header__title slds-truncate slds-align-middle" title="Rohde Corp - 80,000 Widgets">{!v.pageHeading}</h1>
                            
                        </div>
                    </div>
                </div>
                
            </div>
            
            <br/><br/>
            <div class="slds-align--absolute-center">
                <div class="slds-size--3-of-8">
                    
                    <!-- <lightning:accordion activeSectionName="Page1">
          <lightning:accordionSection name="page1" label="Select the type of ticket:">-->
                    <lightning:radioGroup aura:id="mygroup" name="radioButtonGroup" label="" options="{! v.options }" value="{! v.casedata.Type_Of_Ticket__c}" onchange="{!c.handleChange }">  </lightning:radioGroup><br/>
                    
                    <div class="setcolorwhite">
                        <lightning:select label="Please select one Applications" name="mySelect" value="{!v.casedata.Applications__c}" aura:id="mySelect" class="labelcolor"  onchange="{!c.toggle}">
                            <aura:iteration items="{!v.applicationdata}" var="appl" >
                                <option value="{!appl}" text="{!appl}"/>
                            </aura:iteration>
                        </lightning:select>
                    </div>
                    
                    //Excel form will display based on the picklist value
                    <aura:if isTrue="{!and(v.options, v.userCreation)}">
                        <div aura:id="Support-User Creation" class="slds-grid slds-wrap slds-p-vertical_medium">
                            <span class="excel_format" style="display:inline;">
                                <a href='https://help.net-support.com/User_Management_template_version1.0.xlsx' target="_blank">Download sample and attach to ticket</a>
                            </span>
                        </div>
                    </aura:if>
                    
                    <aura:if isTrue="{!and(v.options, v.UserTermination)}">
                        <div aura:id="Support-User Termination" class="demo-only demo-only--sizing slds-grid slds-wrap slds-p-vertical_medium">
                            <span class="excel_format" style="display:inline;">
                                <a href='https://help.net-support.com/User_Management_template_version1.0.xlsx' target="_blank">Download sample and attach to ticket</a>
                            </span>
                        </div>
                    </aura:if>
                    <aura:if isTrue="{!and(v.options, v.updatePermission)}">
                        <div aura:id="Support-User Update Permissions" class="demo-only demo-only--sizing slds-grid slds-wrap slds-p-vertical_medium">
                            <span class="excel_format" style="display:inline;">
                                <a href='https://help.net-support.com/User_Management_template_version1.0.xlsx' target="_blank">Download sample and attach to ticket</a>
                            </span>
                        </div>
                    </aura:if>
                    
                    <div class="slds-m-top_large">
                        <lightning:button type="button" class="slds-button slds-button_brand" label="NEXT" onclick="{!c.nextButtonClickHandler}"/>
                    </div>  
                    
                    
                    <!--<lightning:accordionSection name="page2" label="Please fill out the following form :">-->
                    <aura:if isTrue="{!v.Isforsecond}">
                        <lightning:input label="Subject" name="myname" value="{!v.casedata.Subject}"/>
                        
                        <lightning:select label="Urgency" name="urgency" value="{!v.casedata.Urgency__c}">
                            <aura:iteration items="{!v.urgdata}" var="urg">
                                <option value="{!urg}" text="{!urg}"/>
                            </aura:iteration>
                        </lightning:select>
                        
                        <lightning:select label="Impact" name="impact" value="{!v.casedata.Impact__c}">
                            <aura:iteration items="{!v.Impactdata}" var="imd">
                                <option value="{!imd}" text="{!imd}"/>
                            </aura:iteration>
                        </lightning:select>
                        
                        <lightning:input label="Description" name="string" value="{!v.casedata.Description}"/>       
                        <lightning:input label="Justification" name="justify" value="{!v.casedata.Justification__c}"/><br/>
                        
                        <div class="file-upload">
                            <div aura:id="uiMessage">{!v.body}</div>
                            <iframe aura:id="vfFrame" src="{!v.frameSrc}" width="{!v.frameWidth}" height="{!v.frameHeight}" class="vfFrame" frameBorder="0"  scrolling="no"/>
                        </div>
                        <div class="slds-m-top_large">
                            <lightning:button type="button" class="slds-button slds-button_brand" label="next" onclick="{!c.handleFormSubmit}" disabled="true" aura:id="uploadFileButton"/>
                        </div>
                        
                           <div class="slds-m-top_large">
                            <p><lightning:button iconName="utility:Submit" class="slds-button slds-button_brand" label="Submit" variant="border-filled" onclick="{!c.doSubmit}"/></p>
                            <br/>
                        </div>
                    </aura:if>  
                    
                    
                </div>
                
                
            </div>
        </div>
    </div>
    
</aura:component>

Controller :

({
		doSubmit : function(cmp, evt, hlpr) {
		//  call apex function SaveRegistrationDetail to save data in reg form 
		//  also we have to pass RegForm as a parameter
		var casedata = cmp.get("v.casedata");
        
         // create a one-time use instance of the SaveRegistrationDetail action
        // in the server-side controller
        var action = cmp.get("c.Savesupportform");
            
        action.setParams({ casedata  : casedata });

        // Create a callback that is executed after 
        // the server-side action returns
        action.setCallback(this, function(response) {
            var state = response.getState();
             if (state === "SUCCESS") {
                // Alert the user with the value returned 
                // from the server
                          cmp.set("v.isDataSubmitted", 'True');
                          var parentId = response.getReturnValue();
                          cmp.set("v.RegistrationRecordId",parentId);
                               alert('Record created succesfully'+''+ parentId);
                         				
                           }
           
            else if (state === "ERROR") {
                var errors = response.getError();
                if (errors) {
                    if (errors[0] && errors[0].message) {
                        console.log("Error message: " + 
                                 errors[0].message);
                    }
                } else {
                    console.log("Unknown error");
                }
       
        
       
            }
        });
        // $A.enqueueAction adds the server-side action to the queue.
        var radio=cmp.get('c.handleChange');
            
        $A.enqueueAction(action,radio);  
                      
	},
    
    handleClick : function (component ,event,helper){
        
        var nxtbtnonRadio=component.get("v.options");
        var nxtbtonSelect=component.find("mySelect");
        
        var nxtSelect=nxtbtonSelect.get("v.value");
           
        if(nxtbtnonRadio != null && nxtSelect.trim() != null ){
            component.set("isDataSubmitted", true);
        }
       
    },
    
    handleChange: function (cmp, event) {
        var changeValue = event.getParam("value");
        console.log("On change : "+changeValue);
        cmp.set("v.radioSelect", changeValue);
        alert(changeValue);       
		//var actn=component.get("c.handleClick");
           //actn.$meth$();
                
    },
    
   toggle: function (component, event, helper) {
    
    var sel = component.find("mySelect");
    var nav = sel.get("v.value");
    
    if (nav.trim() == "Support-User Creation") {
    component.set("v.userCreation", true);
      
        }
        else{
            component.set("v.userCreation", false);
        }
        if(nav.trim() == "Support-User Termination"){
        component.set("v.UserTermination", true);
       }
        else{
            component.set("v.UserTermination", false);
        }
         if(nav.trim() == "Support-User Update Permissions"){
                component.set("v.updatePermission" , true);
            }
        else{
            component.set("v.updatePermission" , false);
        }
    },
    
    nextButtonClickHandler : function(component, event, helper){
    var sel = component.find("mySelect");
    var nav = sel.get("v.value");
        if(nav !== '--None--' && component.get("v.radioSelect") !== '') {
            component.set("v.Isforsecond", true);  
        }
    },
    
    doInit : function(component, event, helper) {
        
        //Send LC Host as parameter to VF page so VF page can send message to LC; make it all dynamic
        component.set('v.lcHost', window.location.hostname);

        var frameSrc = '/apex/UploadFilePage?id=' + component.get('v.recordId') + '&lcHost=' + component.get('v.lcHost');
        console.log('frameSrc:' , frameSrc);
        component.set('v.frameSrc', frameSrc);

        //Add message listener
        window.addEventListener("message", function(event) {

            console.log('event.data:', event.data);

            // Handle the message
            if(event.data.state == 'LOADED'){
                //Set vfHost which will be used later to send message
                component.set('v.vfHost', event.data.vfHost);
                alert('file loaded');
            }

            if(event.data.state == 'uploadFileSelected'){
                component.find('uploadFileButton').set('v.disabled', false);
                alert('upload file selected');
                
            }

            if(event.data.state == 'fileUploadprocessed'){
                var uiMessage = component.find('uiMessage');
                //Disable Upload button until file is selected again
                component.find('uploadFileButton').set('v.disabled', true);
                alert('file upload is true');

          $A.createComponents([
                        ["markup://ui:message",{
                            "body" : event.data.message,
                            "severity" : event.data.messageType,
                        }]
                    ],
                    function(components, status, errorMessage){
                       alert('create component');
                        if (status === "SUCCESS") {
                            var message = components[0];
                            // set the body of the ui:message to be the ui:outputText
                            component.find('uiMessage').set("v.body", message);
                        }
                        else if (status === "INCOMPLETE") {
                            console.log("No response from server or client is offline.")
                            // Show offline error
                        }
                        else if (status === "ERROR") {
                            console.log("Error: " + errorMessage);
                            // Show error message
                        }
                    }
                );
            }
        }, false);
    },
    sendMessageone: function(component, event, helper) {
        //Clear UI message before trying for file upload again
        component.find('uiMessage').set("v.body",[]);

        //Prepare message in the format required in VF page
        var message = {
            "uploadFile" : true
        } ;
        //Send message to VF
        var sndmsg=component.set("v.sendmsg", true);
       
        helper.sendMessage(component, message);
    },
    setIframeCaseId : function(component, event, helper) {
        component.set("v.formSubmitStatus", "");
        var message = {
            "recordId" : event.target.value
        };
        helper.sendMessage(component, helper, message);
    },
    handleFormSubmit: function(component, event, helper) {
        alert('file is uploading');
        console.log('file is uploading');
        var message = {
            "uploadFile" : true
        };
        helper.sendMessage(component, helper, message);
    }
})

Helper :

({
    
    sendMessage: function(component, helper, message){
        alert('send message1');
        //Send message to VF
        message.origin = window.location.hostname;
        var vfWindow = component.find("vfFrame").getElement().contentWindow;
        vfWindow.postMessage(message, component.get("v.vfHost"));
        console.log('file load data' , vfWindow);
		},

query = 'SELECT Id,UserRecordAccess.HasEditAccess,Name,Customer__c,Vendor_Site_ID_1__c,TM_Offer_Number__c,Program_Status__c,Currency__c,Tier_1_Customer__c,Program_Amount__c,Program_Amount_in__c,Committed_Amount__c,Committed_Amount_in__c,NTGR_Sub_Budget__c,NTGR_Oracle_Exchange_Rate__r.Conversion_Rate__c FROM NTGR_Marketing_Programs__c';
			
            whereClause = ' WHERE RecordType.Name =: LUMPSUM_RECORD_TYPE and Program_Status__c in : PROGRAM_STATUS_SET ';  
            whereClause += String.isNotBlank(dummyMarketingProgram.Business_Unit__c) ? ' AND Business_Unit__c = \'' + dummyMarketingProgram.Business_Unit__c + '\'' : ' AND Business_Unit__c = null';
			
            whereClause += String.isNotBlank(dummyMarketingProgram.Quarter__c) ? ' AND Quarter__c = \'' + dummyMarketingProgram.Quarter__c + '\'' : ' AND Quarter__c = null';
			
            whereClause += String.isNotBlank(dummyMarketingProgram.Year__c) ? ' AND Year__c = \'' + dummyMarketingProgram.Year__c + '\'' : ' AND Year__c = null';
			
            whereClause += String.isNotBlank(dummyMarketingProgram.Budget_Holder__c) ? ' AND OwnerId = \'' + dummyMarketingProgram.Budget_Holder__c+'\'': ' ';
			
            whereClause += String.isNotBlank(dummyMarketingProgram.NET_Company__c) ? ' AND NET_Company__c= \'' + dummyMarketingProgram.NET_Company__c+'\'': ' ';
			
            whereClause += String.isNotBlank(dummyMarketingProgram.Program_Type__c) ? ' AND Program_Type__c= \'' + dummyMarketingProgram.Program_Type__c+'\'': ' ';

Class :

public class chatterTooltip {
    public string uID   { get; set; }
    
    public User u       { get; set; }
    
    public integer followers    { get; set; }
    public integer following    { get; set; }
    
    public boolean followingme  { get; set; }
    
    public string lastUpdate    { get; set; }
    public string timestr       { get; set; }
    
    public boolean isTest       { get; set; }
    
    public chatterTooltip() {
        isTest = false;
    }
    
    public string getUserName() {
        if( uID == null )
            return null;
            
        if( u != null )
            return u.name;
            
        User[] us = [select id, name 
            from User
            where id = :uID];
            
        if( us.isEmpty() )
            return '';
            
        u = us[0];
            
        loadData();
            
        return u.name;
    }
    
    public void loadData() {
        integer qlimit = ( isTest ? 1 : 1000 );
        
        EntitySubscription[] ess = [select id, parentid
            from EntitySubscription
            where parentid = :uID
            or subscriberid = :uID limit :qlimit];
            
        followers = 0;
        
        for( EntitySubscription es : ess )
            if( es.parentid == uID )
                followers++;
                
        following = ess.size() - followers;
        
        if( UserInfo.getUserId() != uID ) {
            EntitySubscription[] ess2 = [select id
                from EntitySubscription
                where parentid = :UserInfo.getUserId()
                and subscriberid = :uID];
                
            followingme = ess2.size() > 0;
        } else
            followingme = false;
            
        UserFeed[] ufs = [select id, FeedPost.body, createddate
            from UserFeed
            where parentid = :uID
            order by createddate desc limit 1];
            
        if( ufs.isEmpty() )
            return;
            
        lastUpdate = ufs[0].FeedPost.body;
        
        if( lastUpdate == null )
            return;
        
        if( lastUpdate.length() > 70 )
            lastUpdate = lastUpdate.substring( 0, 70 ) + '...';
            
        timestr = relativeTime( ufs[0].createddate );
    }
    
    public string relativeTime( Datetime dt ) {
        long diff =  ( Datetime.now().getTime() - dt.getTime() ) / 1000;
        string unit;
        
        if( diff < 60 )
            unit = 'second';
        else if( diff < 60 * 60 ) {
            diff /= 60;
            unit = 'minute';
        } else if( diff < 60 * 60 * 24 ) {
            diff = diff / 60 / 60;
            unit = 'hour';
        } else {
            diff = diff / 60 / 60 / 24;
            unit = 'day';
        }
        
        if( diff > 1 )
            unit += 's';
            
        return diff + ' ' + unit + ' ago';
    }
    
}

Test class :

@Istest 
Public class Test_chatterTooltip{

    static testmethod void runTest(){
    
            //Find user with Profile = Sales and Service
        Profile sysadm = [Select id from Profile where Name = 'System Administrator' limit 1];
        User u = new User(
            Alias = 'standt', 
            Email='standarduser@testorg.com',
            EmailEncodingKey='UTF-8',
            LastName='Testing',
            LanguageLocaleKey='en_US',
            LocaleSidKey='en_US',
            ProfileId = sysadm.Id,
            TimeZoneSidKey='America/Los_Angeles',
            UserName='standarduser@testorg.com'
            );
            
        chatterTooltip ct = new chatterTooltip();
        ct.isTest = true;
        ct.uid = UserInfo.getUserId();
        
        ct.getUserName();
        ct.relativeTime(datetime.now());      
        ct.loadData(); 
                         
      }

class :
public class NG_AgentContributionArticleController {
    // The constructor must take a ApexPages.KnowledgeArticleVersionStandardController as an argument
    public NG_AgentContributionArticleController(ApexPages.KnowledgeArticleVersionStandardController ctl) {
        SObject article = ctl.getRecord();   //this is the SObject for the new article. 
                                             //It can optionally be cast to the proper article type, e.g. FAQ__kav article = (FAQ__kav) ctl.getRecord();
        
        String sourceId = ctl.getSourceId(); //this returns the id of the case that was closed.
        Case c = [select subject, description, origin,Internal_only__c, Article_Requestor__c,
            Internal_Live_Agent_Notes__c,Article_Classification__c, 
            Article_Sub_Classification__c from Case where id=:sourceId];
        
        article.put('title', c.subject);  //this overrides the default behavior of pre-filling the title of the article with the subject of the closed case. 
        article.put('Solution_Section_1__c',c.description);  
        //article.put('Solution_Section_2__c',c.Comments);  
        article.put('Solution_Section_2__c',c.Internal_Live_Agent_Notes__c);
        article.put('Internal_only__c',c.Internal_Only__c);  
        article.put('Source__c',c.origin);
        article.put('Article_Classification__c',c.Article_Classification__c);
        article.put('Article_Sub_Classification__c',c.Article_Sub_Classification__c);
        article.put('Case_Requestor__c',c.Article_Requestor__c);
        article.put('Language','en_US');
                              
    }
 }

Test class :
@isTest
private class Test_NG_AgentContributionArticlecntlr
{
  
static testMethod void Test_NG_AgentContributionArticlecntlr() {

         String caseSubject = 'title';         
         String caseDesc = 'Solution_Section_1__c';        
         String intlvagt = 'Solution_Section_2__c';         
         string intrnl = 'Internal_Only__c';         
         String orgn = 'Source__c'; 
         String atclcls = 'Article_Classification__c';         
         String atsbcls = 'Article_Sub_Classification__c';          
         String atreq = 'Case_Requestor__c';         
         String lang = 'Language';

         Case c = new Case();
         c.subject= caseSubject;
         c.description = caseDesc;
         c.Internal_Live_Agent_Notes__c = intlvagt;
         c.Internal_Only__c = False;
         c.Origin = orgn;
         c.Article_Classification__c = atclcls ;
         c.Article_Sub_Classification__c = atsbcls ;
         c.Article_Requestor__c = atreq ;
         //c.en_US = 'lang' ;
 
         insert c;
 
         String caseId = c.id;
         System.debug('Created Case: ' + caseId);
         
         ApexPages.currentPage().getParameters().put('sourceId', caseId);
         ApexPages.currentPage().getParameters().put('sfdc.override', '1');
         
         ApexPages.KnowledgeArticleVersionStandardController ctl = 
            new ApexPages.KnowledgeArticleVersionStandardController(c);
            
        try {
           
        
         new NG_AgentContributionArticleController (ctl);
         
        } catch(System.SObjectException e) {
            system.assertEquals(e.getMessage(), e.getMessage());
        }

         System.assertEquals(caseId, ctl.getSourceId());
         //System.assertEquals('From Case: '+caseSubject, ctl.getRecord().get('title'));
         //System.assertEquals(caseDesc, ctl.getRecord().get('details__c'));
   }
 }

@isTest(seeAllData=true)
private class Test_OpportunityLineItemCheck 
{
  static testMethod void Checkduplicate() 
  { 
       Test.startTest();                       
        Account accP = new Account(Name = 'Partner1', Account_Type__c = 'VAR - MANAGED', RecordTypeId='01280000000Ln6i', Business_Unit__c = 'CBU');

        insert accP;
        
        PricebookEntry[] pbes = [Select Id, UnitPrice, CurrencyIsoCode, Pricebook2Id from PricebookEntry where IsActive = true AND UnitPrice > 0 
            AND CurrencyIsoCode = 'USD' AND Name like 'UK%'];
            
            Opportunity opp4 = new Opportunity(Name= 'Opp31',Pricebook2Id = pbes[0].Pricebook2Id,RecordTypeId = '01280000000Lnks');

        insert opp4;
                        
        OpportunityLineItem oli4 = new OpportunityLineItem(OpportunityId = opp4.Id, PricebookEntryId = pbes.get(0).Id, Quantity = 1, SBA_Price__c=20, GovEd__c=0, Partner_Discount__c=0, Promo_Discount__c=0, Deal_Reg_Discount__c=0);
        
        OpportunityLineItem[] olilist=new OpportunityLineItem[]{oli4};
      
        insert olilist;
        
        OpportunityLineItemCheckOperations.OppWrapper empW = new OpportunityLineItemCheckOperations.OppWrapper();
         empW.compareTo(empW);  
       Test.stopTest();
  }    
 }

@isTest(seeAllData=true)
private class Test_OpportunityLineItemCheck 
{
  static testMethod void Checkduplicate() 
  { 
       Test.startTest();                       
        Account accP = new Account(Name = 'Partner1', Account_Type__c = 'VAR - MANAGED', RecordTypeId='01280000000Ln6i', Business_Unit__c = 'CBU');

        insert accP;
        
        PricebookEntry[] pbes = [Select Id, UnitPrice, CurrencyIsoCode, Pricebook2Id from PricebookEntry where IsActive = true AND UnitPrice > 0 
            AND CurrencyIsoCode = 'USD' AND Name like 'UK%'];
            
            Opportunity opp4 = new Opportunity(Name= 'Opp31',Pricebook2Id = pbes[0].Pricebook2Id,RecordTypeId = '01280000000Lnks');

        insert opp4;
                        
        OpportunityLineItem oli4 = new OpportunityLineItem(OpportunityId = opp4.Id, PricebookEntryId = pbes.get(0).Id, Quantity = 1, SBA_Price__c=20, GovEd__c=0, Partner_Discount__c=0, Promo_Discount__c=0, Deal_Reg_Discount__c=0);
        
        OpportunityLineItem[] olilist=new OpportunityLineItem[]{oli4};
      
        insert olilist;
        
        OpportunityLineItemCheckOperations.OppWrapper empW = new OpportunityLineItemCheckOperations.OppWrapper();
         empW.compareTo(empW);  
       Test.stopTest();
  }    
 }

<input type="button" value="New Program" class="btn" onClick="createNewProgram();" title="New Marketing Program record"/>

function createNewProgram() {
  window.open('{!URLFOR($Action.Marketing_Programs__c.New)}', '_new');
}

Class :

public class chatterTooltip {
    public string uID   { get; set; }
    
    public User u       { get; set; }
    
    public integer followers    { get; set; }
    public integer following    { get; set; }
    
    public boolean followingme  { get; set; }
    
    public string lastUpdate    { get; set; }
    public string timestr       { get; set; }
    
    public boolean isTest       { get; set; }
    
    public chatterTooltip() {
        isTest = false;
    }
    
    public string getUserName() {
        if( uID == null )
            return null;
            
        if( u != null )
            return u.name;
            
        User[] us = [select id, name 
            from User
            where id = :uID];
            
        if( us.isEmpty() )
            return '';
            
        u = us[0];
            
        loadData();
            
        return u.name;
    }
    
    public void loadData() {
        integer qlimit = ( isTest ? 1 : 1000 );
        
        EntitySubscription[] ess = [select id, parentid
            from EntitySubscription
            where parentid = :uID
            or subscriberid = :uID limit :qlimit];
            
        followers = 0;
        
        for( EntitySubscription es : ess )
            if( es.parentid == uID )
                followers++;
                
        following = ess.size() - followers;
        
        if( UserInfo.getUserId() != uID ) {
            EntitySubscription[] ess2 = [select id
                from EntitySubscription
                where parentid = :UserInfo.getUserId()
                and subscriberid = :uID];
                
            followingme = ess2.size() > 0;
        } else
            followingme = false;
            
        UserFeed[] ufs = [select id, FeedPost.body, createddate
            from UserFeed
            where parentid = :uID
            order by createddate desc limit 1];
            
        if( ufs.isEmpty() )
            return;
            
        lastUpdate = ufs[0].FeedPost.body;
        
        if( lastUpdate == null )
            return;
        
        if( lastUpdate.length() > 70 )
            lastUpdate = lastUpdate.substring( 0, 70 ) + '...';
            
        timestr = relativeTime( ufs[0].createddate );
    }
    
    public string relativeTime( Datetime dt ) {
        long diff =  ( Datetime.now().getTime() - dt.getTime() ) / 1000;
        string unit;
        
        if( diff < 60 )
            unit = 'second';
        else if( diff < 60 * 60 ) {
            diff /= 60;
            unit = 'minute';
        } else if( diff < 60 * 60 * 24 ) {
            diff = diff / 60 / 60;
            unit = 'hour';
        } else {
            diff = diff / 60 / 60 / 24;
            unit = 'day';
        }
        
        if( diff > 1 )
            unit += 's';
            
        return diff + ' ' + unit + ' ago';
    }
    
}

Test class :

@Istest 
Public class Test_chatterTooltip{

    static testmethod void runTest(){
    
            //Find user with Profile = Sales and Service
        Profile sysadm = [Select id from Profile where Name = 'System Administrator' limit 1];
        User u = new User(
            Alias = 'standt', 
            Email='standarduser@testorg.com',
            EmailEncodingKey='UTF-8',
            LastName='Testing',
            LanguageLocaleKey='en_US',
            LocaleSidKey='en_US',
            ProfileId = sysadm.Id,
            TimeZoneSidKey='America/Los_Angeles',
            UserName='standarduser@testorg.com'
            );
            
        chatterTooltip ct = new chatterTooltip();
        ct.isTest = true;
        ct.uid = UserInfo.getUserId();
        
        ct.getUserName();
        ct.relativeTime(datetime.now());      
        ct.loadData(); 
                         
      }

class :
public class NG_AgentContributionArticleController {
    // The constructor must take a ApexPages.KnowledgeArticleVersionStandardController as an argument
    public NG_AgentContributionArticleController(ApexPages.KnowledgeArticleVersionStandardController ctl) {
        SObject article = ctl.getRecord();   //this is the SObject for the new article. 
                                             //It can optionally be cast to the proper article type, e.g. FAQ__kav article = (FAQ__kav) ctl.getRecord();
        
        String sourceId = ctl.getSourceId(); //this returns the id of the case that was closed.
        Case c = [select subject, description, origin,Internal_only__c, Article_Requestor__c,
            Internal_Live_Agent_Notes__c,Article_Classification__c, 
            Article_Sub_Classification__c from Case where id=:sourceId];
        
        article.put('title', c.subject);  //this overrides the default behavior of pre-filling the title of the article with the subject of the closed case. 
        article.put('Solution_Section_1__c',c.description);  
        //article.put('Solution_Section_2__c',c.Comments);  
        article.put('Solution_Section_2__c',c.Internal_Live_Agent_Notes__c);
        article.put('Internal_only__c',c.Internal_Only__c);  
        article.put('Source__c',c.origin);
        article.put('Article_Classification__c',c.Article_Classification__c);
        article.put('Article_Sub_Classification__c',c.Article_Sub_Classification__c);
        article.put('Case_Requestor__c',c.Article_Requestor__c);
        article.put('Language','en_US');
                              
    }
 }

Test class :
@isTest
private class Test_NG_AgentContributionArticlecntlr
{
  
static testMethod void Test_NG_AgentContributionArticlecntlr() {

         String caseSubject = 'title';         
         String caseDesc = 'Solution_Section_1__c';        
         String intlvagt = 'Solution_Section_2__c';         
         string intrnl = 'Internal_Only__c';         
         String orgn = 'Source__c'; 
         String atclcls = 'Article_Classification__c';         
         String atsbcls = 'Article_Sub_Classification__c';          
         String atreq = 'Case_Requestor__c';         
         String lang = 'Language';

         Case c = new Case();
         c.subject= caseSubject;
         c.description = caseDesc;
         c.Internal_Live_Agent_Notes__c = intlvagt;
         c.Internal_Only__c = False;
         c.Origin = orgn;
         c.Article_Classification__c = atclcls ;
         c.Article_Sub_Classification__c = atsbcls ;
         c.Article_Requestor__c = atreq ;
         //c.en_US = 'lang' ;
 
         insert c;
 
         String caseId = c.id;
         System.debug('Created Case: ' + caseId);
         
         ApexPages.currentPage().getParameters().put('sourceId', caseId);
         ApexPages.currentPage().getParameters().put('sfdc.override', '1');
         
         ApexPages.KnowledgeArticleVersionStandardController ctl = 
            new ApexPages.KnowledgeArticleVersionStandardController(c);
            
        try {
           
        
         new NG_AgentContributionArticleController (ctl);
         
        } catch(System.SObjectException e) {
            system.assertEquals(e.getMessage(), e.getMessage());
        }

         System.assertEquals(caseId, ctl.getSourceId());
         //System.assertEquals('From Case: '+caseSubject, ctl.getRecord().get('title'));
         //System.assertEquals(caseDesc, ctl.getRecord().get('details__c'));
   }
 }

@isTest(seeAllData=true)
private class Test_OpportunityLineItemCheck 
{
  static testMethod void Checkduplicate() 
  { 
       Test.startTest();                       
        Account accP = new Account(Name = 'Partner1', Account_Type__c = 'VAR - MANAGED', RecordTypeId='01280000000Ln6i', Business_Unit__c = 'CBU');

        insert accP;
        
        PricebookEntry[] pbes = [Select Id, UnitPrice, CurrencyIsoCode, Pricebook2Id from PricebookEntry where IsActive = true AND UnitPrice > 0 
            AND CurrencyIsoCode = 'USD' AND Name like 'UK%'];
            
            Opportunity opp4 = new Opportunity(Name= 'Opp31',Pricebook2Id = pbes[0].Pricebook2Id,RecordTypeId = '01280000000Lnks');

        insert opp4;
                        
        OpportunityLineItem oli4 = new OpportunityLineItem(OpportunityId = opp4.Id, PricebookEntryId = pbes.get(0).Id, Quantity = 1, SBA_Price__c=20, GovEd__c=0, Partner_Discount__c=0, Promo_Discount__c=0, Deal_Reg_Discount__c=0);
        
        OpportunityLineItem[] olilist=new OpportunityLineItem[]{oli4};
      
        insert olilist;
        
        OpportunityLineItemCheckOperations.OppWrapper empW = new OpportunityLineItemCheckOperations.OppWrapper();
         empW.compareTo(empW);  
       Test.stopTest();
  }    
 }

@isTest(seeAllData=true)
private class Test_OpportunityLineItemCheck 
{
  static testMethod void Checkduplicate() 
  { 
       Test.startTest();                       
        Account accP = new Account(Name = 'Partner1', Account_Type__c = 'VAR - MANAGED', RecordTypeId='01280000000Ln6i', Business_Unit__c = 'CBU');

        insert accP;
        
        PricebookEntry[] pbes = [Select Id, UnitPrice, CurrencyIsoCode, Pricebook2Id from PricebookEntry where IsActive = true AND UnitPrice > 0 
            AND CurrencyIsoCode = 'USD' AND Name like 'UK%'];
            
            Opportunity opp4 = new Opportunity(Name= 'Opp31',Pricebook2Id = pbes[0].Pricebook2Id,RecordTypeId = '01280000000Lnks');

        insert opp4;
                        
        OpportunityLineItem oli4 = new OpportunityLineItem(OpportunityId = opp4.Id, PricebookEntryId = pbes.get(0).Id, Quantity = 1, SBA_Price__c=20, GovEd__c=0, Partner_Discount__c=0, Promo_Discount__c=0, Deal_Reg_Discount__c=0);
        
        OpportunityLineItem[] olilist=new OpportunityLineItem[]{oli4};
      
        insert olilist;
        
        OpportunityLineItemCheckOperations.OppWrapper empW = new OpportunityLineItemCheckOperations.OppWrapper();
         empW.compareTo(empW);  
       Test.stopTest();
  }    
 }

Component Code : 
<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId" 
                access="global" controller="JSONParserUtil">
    <aura:attribute name="feeds" type="feed[]"/>	 
    <aura:handler name="init" value="{!this}" action="{!c.getfeed}"/>
	<header align="center">
        <h1 class="slds-text-heading--large"  style="color:blue;text-align:center;border-bottom:3px solid blue" ><li>News</li></h1><br/>
    </header>
    
    <table class="slds-table slds-table--bordered slds-table--fixed-layout slds-scrollable--y" role="grid">	       
    <thead>
        <tr class="slds-text-heading--label ">        
                <th style="width:100px;" class="slds-is-sortable slds-is-resizable slds-text-title--caps slds-has-focus" scope="col" >
                  <a href="javascript:void(0);" class="slds-th__action slds-text-link--reset" tabindex="0">
                      <span class="slds-assistive-text">Sort </span>
                      <span class="slds-truncate" title="Title">Title</span>
                      <div class="slds-icon_container">
                      </div>
                      <span class="slds-assistive-text" aria-live="assertive" aria-atomic="true"></span>
                     </a>
                    <div class="slds-resizable">
                      <label for="cell-resize-handle-553" class="slds-assistive-text">Name column width</label>
                      <input type="range" min="20" max="1000" class="slds-resizable__input slds-assistive-text" id="cell-resize-handle-553" tabindex="0" />
                      <span class="slds-resizable__handle">
                        <span class="slds-resizable__divider"></span>
                      </span>
                    </div>
                   </th>	 	 	 
          </tr>  
    </thead>
    </table>
    <tbody>    
      <aura:iteration items="{!V.feeds}" var="art">
          <tr class="slds-hint-parent">				
				<td role="gridcell">
                     <div class="slds-truncate" title="Task Owner Name">{!art.title}</div>
               </td>
         </tr>                
     </aura:iteration>		 
    </tbody>    
</aura:component>


Controller :
({
getfeed : function(component,event, helper) 
        {
        helper.getfeed(component);
    	}
})


Helper : 

({
  getfeed : function(component) 
    {
        var action = component.get("c.getRSSData");
        
            if (a.getState() === "SUCCESS") {
            component.set("v.feeds", a.getReturnValue());
            } else if (a.getState() === "ERROR") {
            $A.log("callback error", a.getError());
    }   
	}
})

Controller in classic : 

public class RSS {
    public class channel {
       public list<RSS.item> items {get;set;}
        public channel() {
            items = new list<RSS.item>();
        }
    }
    public class item {
        public String title {get;set;}
        public String link {get;set;}
        public String pubDate {get;set;}
        public String getUrl() {
            String result = (link != null) ? link.substringAfterLast('url=') : null;
            return result;
        }
        public DateTime getPublishedDateTime() {
            DateTime result = (pubDate != null) ? DateTime.valueOf(pubDate.replace('T', ' ').replace('Z','')) : null;
            return result;
        }
    }
    public static RSS.channel getRSSData(string feedURL) 
	{
        HttpRequest req = new HttpRequest();
        req.setEndpoint(feedURL);
        req.setMethod('GET');
        Dom.Document doc = new Dom.Document();
        Http h = new Http();
        HttpResponse res = h.send(req);
        doc = res.getBodyDocument();
        Dom.XMLNode rss = doc.getRootElement();
		
		
        //first child element of rss feed is always channel
        Dom.XMLNode channel = rss.getChildElements()[0];
        RSS.channel result = new RSS.channel();
        list<RSS.item> rssItems = new list<RSS.item>();
       for(Dom.XMLNode elements : channel.getChildElements()) {
        if('item' == elements.getName()) {
                RSS.item rssItem = new RSS.item();
				
				
                //for each node inside item
                for(Dom.XMLNode xmlItem : elements.getChildElements()) {
                    if('title' == xmlItem.getName()) {
                        rssItem.title = xmlItem.getText();
                    }
                    if('link' == xmlItem.getName()) {
                        rssItem.link = xmlItem.getText();
                    }
                   if('pubDate' == xmlItem.getName()) {
                        rssItem.pubDate = xmlItem.getText();
                    }
                }
				
				
                //for each item, add to rssItem list
                rssItems.add(rssItem);
            }
          }
            //finish RSS.channel object by adding the list of all rss items
        result.items = rssItems;
        return result;
    }
        
}