Hi,

I wrote test class for controller called from visualforce page and i am facing problem in getting the id from the VF page. The below is the controller class wiritten

public class RegMassupdate {
  
    public RegMassupdate () {
    }
   
    public RegMassupdate (ApexPages.StandardSetController controller) {
    }

public List<Registration__c> queryList= new List<Deal_Registration__c>();
public String RegId{get;set;}
public Set <string> dealSet = new Set<string>();
public string approver{get;set;}

    public List<SelectOption> getApproverList(){
    List<SelectOption> optionsDealList = new List<SelectOption>();
    for(Registration__c dealList:[select Approver_1__c from Registration__c where Id=:RegId]){
       queryList.add(dealList);
      
    if(dealList.Level_1_Approver_1__c != null && dealList.Level_1_Approver_1__c != ''){
        dealSet.add(dealList.Level_1_Approver_1__c);
       }
        }

    for (String allDealList: dealSet){
            if (allDealList!= null){
                optionsDealList.add(new SelectOption(allDealList,allDealList));
              }   
       }
         return optionsDealList;
     }

The test class written is as follows

@isTest(seeAllData = true)
Private class RegMassupdateTest{

static testMethod void testdealMassupdateNew(){

Profile p = [select id, name from Profile limit 1];
system.debug('a1b'+p.Name);
       
User u = new User(ProfileId = p.id,LastName = 'Test', FirstName = 'Test', Username ='test@salesforce.com', Alias='test', CommunityNickname='test Approve', Email='test@email.com',TimeZoneSidKey='America/Chicago',EmailEncodingKey='ISO-8859-1', LanguageLocaleKey='en_US', LocaleSidKey='en_US',IsActive=false,Email_Address__c='test@email.com',EmployeeNumber='6534866',Legacy_Employee_Ref__c='487547');
Insert u;
   
Account acc=new Account(Name='Test Account3');
Insert acc;

Opportunity oppty=new Opportunity(Name='Test Oppty',AccountId=acc.Id,StageName='01 ',CloseDate=Date.today());
Insert oppty;

Registration__c Reg=new Registration__c ();
 Reg.Name='Test Registration1';
 Reg.Status__c='Open';
 Reg.Opportunity__c=oppty.Id;
 Reg.Customer_Account__c=acc.Id;
 Reg.Approver_1__c=u.Id;
insert Reg;
 

test.startTest();
              
        PageReference pageRef = Page.RegUpdate ;      
        Test.setCurrentPage(pageRef);      
        ApexPages.currentPage().getParameters().put('id', Reg.id); 
        ApexPages.StandardSetController newController = new ApexPages.StandardSetcontroller(Reg);       
        RegMassupdate massupdate1= new RegMassupdate(newController);
        massupdate1.getApproverList();
       
       
test.stopTest();
}

I am facing problem in getting RegId from VF page. Please can you help me in this.

Thank you in advance.