Hi all,

I have a test class and i am not able to increase its code coverage.
I am posting my apex class and test class code.

Apex Class----------------------------------------

public class DisplayNotesNew{

public List<WrapperClass> listWrapper {get;set;}
public List<ContactWrapper> listWrapper1 {get;set;}
public List<OpportunityWrapper> listWrapper2 {get;set;}
public Id accId;
Public Account acc;
public List<Note> selectedNotes{get;set;}
public List<Contact> selectedContacts{get;set;}
public List<opportunity> selectedOpps{get;set;}
List<note> contactNote = new List<note>();
List<note> oppNote = new List<note>();
public ID noteID {get;set;}
Public String getRadioValue{get;set;}

public void assignNoteId() {
   Id note = ApexPages.currentPage().getParameters().get('note');
   system.debug('18-->'+note );
   if(note != null) {
      noteID = note;
   }
}    

public DisplayNotesNew(){
        
}
public DisplayNotesNew(ApexPages.StandardController Controller) {

accId = ApexPages.currentPage().getParameters().get('id');
system.debug('********************'+accId);
  
List<Note> listAcct = [SELECT Id,Title, Body,Parent.Id,CreatedDate FROM Note where Parent.Id =: accId order by ID DESC];
  if(listAcct.size() > 0) {
    listWrapper = new List<WrapperClass>();
       for(Note a : listAcct) {
          listWrapper.add(new WrapperClass(a));
        }
    }
List<Contact> listContact = [Select Id, FirstName, LastName,name From Contact where AccountId =: accId order by name DESC];
    if(listContact.size() > 0){
        listWrapper1 = new List<ContactWrapper>();
            for(Contact c : listContact){
                listWrapper1.add(new ContactWrapper(c));
        }
   }

List<Opportunity> listOpp = [select id,name,closeDate from Opportunity where AccountId =: accId order by closeDate ASC];
    if(listOpp.size() > 0){
        listWrapper2 = new List<OpportunityWrapper>();
            for(Opportunity o : listOpp){
                listWrapper2.add(new OpportunityWrapper(o));
       }
   }
}
public pagereference assignNotes(){
system.debug('******noteID******'+noteID);
Note no = [select id,title,body,parentId from Note where id=:noteID limit 1];
system.debug('********no******'+no);

/*selectedNotes = new List<Note>();
system.debug('*********listWrapper ********'+listWrapper);
for(WrapperClass wrapAccountObj : listWrapper ) {
     if(wrapAccountObj.checkBool == true) {
        selectedNotes.add(wrapAccountObj.acct);
        system.debug('*********selectedNotes********'+selectedNotes);
     }  
}  */

selectedContacts = new List<Contact>();
 for(ContactWrapper wrapContactObj : listWrapper1){
     if(wrapContactObj.checkBool == true){
         Note nt = new Note();
         nt.Title = no.title;
         nt.Body = no.body;
         nt.ParentId = wrapContactObj.cons.Id;
         contactNote.add(nt);
         //selectedContacts.add(wrapContactObj.cons);
         //system.debug('*********selectedContacts******'+selectedContacts);
       }
    }
insert contactNote;
    
selectedOpps = new List<Opportunity>();
  for(OpportunityWrapper wrapOppObj : listWrapper2){
      if(wrapOppObj.checkBool == true){
          Note nt = new Note();
          nt.Title = no.title;
          nt.Body = no.Body;
          nt.parentId = wrapOppObj.ops.Id;
          oppNote.add(nt);
          //selectedOpps.add(wrapOppObj.ops);
         // system.debug('******selectedOpps*********'+selectedOpps);
     }
  }
insert oppNote;
  PageReference pg = new PageReference('/apex/DisplayAccountNotes?id='+accId);  //Redirect on the same page
       pg.setRedirect(true);
       return pg; 
}
public class WrapperClass{
   public Boolean checkBool {get;set;}
   public Note acct {get;set;}
   public WrapperClass(Note acct){
        this.acct = acct;
        checkBool = false;
       }        
    }
public class ContactWrapper{
   public Boolean checkBool {get;set;}
   public Contact cons {get;set;}
   public ContactWrapper(Contact cons){
        this.cons = cons;
        checkBool = false;
        }    
     }
public Class OpportunityWrapper{
   public Boolean checkBool {get;set;}
   public Opportunity ops {get;set;}
   public OpportunityWrapper(Opportunity ops){
        this.ops = ops;
        checkBool = false;
        }   
     }
}




Test Class-----------------------------------------------------------------------

@isTest
public class DisplayNotesNewTestClass {

  static testmethod void test1(){

    PageReference pageRef = Page.DisplayAccountNotes;
    Test.setCurrentPage(pageRef);
    Account acc = new Account(name='vivek112');
    insert acc;
    DisplayNotesNew obj = new DisplayNotesNew(new ApexPages.StandardController(acc));
    ApexPages.CurrentPage().getparameters().put('id',acc.id);
     
    Contact con = new Contact(FirstName='vivek112', AccountId = acc.Id);
    List<Contact> lstcon = new List<Contact>();
    lstcon.add(con);   
        
    Opportunity opp = new opportunity(name = 'a',stageName = 'Closed Won',closedate = date.today(),Renewal_Date__c = date.today(),AccountId = acc.Id);
    List<Opportunity> lstopp = new List<Opportunity>();
    lstopp.add(opp);  
    system.debug('lstopp'+lstopp);
      
 	Note note = new Note(parentid = acc.Id,title='test',body= 'hi');
    List<note> nList = new List<Note>();
    nList.add(note);
    
    boolean RadioValue = true;
    Id noteID = note.Id;
    system.debug('noteID--------'+noteID);
 
    DisplayNotesNew objCustom = new DisplayNotesNew ();
    DisplayNotesNew.ContactWrapper objwrap = new DisplayNotesNew.ContactWrapper(con);
    DisplayNotesNew.OpportunityWrapper objwrap1 = new  DisplayNotesNew.OpportunityWrapper(opp); 
    DisplayNotesNew.WrapperClass objwrap2 = new DisplayNotesNew.WrapperClass(note);
     
 
    
    objCustom.assignNoteId();
    objCustom.assignNotes();
   
    }
}

I am getting an error in noteID and it is throwing error 'List has no rows for assignment'.Please help.

-Amita