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All, below is my code coverage. It allows me update hierarchy of records at one time. Code works fine however I`m not currently able to get full 100 % code coverage. What I have right now is about 92 % and I dont understand what`s missing? Can someone of you pls point it out? or maybe give me a sample test class that would work?

Wrapper Class:

public with sharing class TaskKeyWrapper 
{
	public Integer key {get; set;}
	public Task comment {get; set;}
		
	public TaskKeyWrapper(Integer inKey, Task inComment)
	{
		key=inKey;
		comment=inComment;
	}
}

Wrapper Class:

public with sharing class CaseKeyWrapper 
{
	public Integer key {get; set;}
	public Case cs {get; set;}
	public List<CaseCommentKeyWrapper> comments {get; set;}
	private Integer commentKey=1;
		
	public CaseKeyWrapper(Integer inKey, Case inCs, List<CaseComment> inComments)
	{
		cs=inCs;
		key=inKey;
		comments=new List<CaseCommentKeyWrapper>();
		if (null!=inComments)
		{
			for (CaseComment cc : inComments)
			{
				comments.add(new CaseCommentKeyWrapper(commentKey++, cc));
			}
		}
	}
	public void addComment()
	{
		comments.add(new CaseCommentKeyWrapper(commentKey++, new CaseComment(ParentId=cs.id)));

	}
}

Extension:

public with sharing class AccountCasesCommentsEditExt 
{
    public List<CaseKeyWrapper> caseWrappers {get; set;}
    public ApexPages.StandardController stdCtrl {get; set;}
    public Integer key=1;	  
    public String caseToDel {get; set;}  
    public String ccToDel {get; set;}
    public String caseToAddCC {get; set;}  
    public List<Case> casesToDelete=new List<Case>();
    public List<CaseComment> commentsToDelete=new List<CaseComment>();
    
    public AccountCasesCommentsEditExt(ApexPages.StandardController std)
    {
        stdCtrl=std;
        List<Case> cases=[select id, Status, Subject, 
                          (select id, CommentBody, IsPublished, ParentId from CaseComments) 
                          from Case
                          where AccountId=:stdCtrl.getId()];	
        
        caseWrappers=new list<CaseKeyWrapper>();
        for (Case cs : cases)
        {
            caseWrappers.add(new CaseKeyWrapper(key++, cs, cs.CaseComments));
        }
    }
    
    public Integer getCaseWrapperPos(String keyStr)
    {
        Integer key=Integer.valueOf(keyStr.substring(2));
        Integer result=-1;
        Integer index=0;
        for (CaseKeyWrapper cand : caseWrappers)
        {
            if (cand.key==key)
            {
                result=index;
                break;
            }
            else
            {
                index++;
            }
        }
        return result;
    }
    
    public CaseKeyWrapper getCaseWrapper(String keyStr)
    {
        CaseKeyWrapper wrapper=null;
        Integer pos=getCaseWrapperPos(keyStr);
        if (-1!=pos)
        {
            wrapper=caseWrappers.get(pos);
        }
        
        return wrapper;
    }
    
    public Integer getCaseCommentWrapperPos(String keyStr, CaseKeyWrapper wrapper)
    {
        Integer key=Integer.valueOf(keyStr.substring(2));
        Integer result=-1;
        Integer index=0;
        for (CaseCommentKeyWrapper cand : wrapper.comments)
        {
            if (cand.key==key)
            {
                result=index;
                break;
            }
            else
            {
                index++;
            }
        }
        
        return result;
    }
    
    public CaseCommentKeyWrapper getCaseCommentWrapper(String keyStr, CaseKeyWrapper caseWrapper)
    {
        CaseCommentKeyWrapper wrapper=null;
        Integer pos=getCaseCommentWrapperPos(keyStr, caseWrapper);
        if (-1!=pos)
        {
            wrapper=caseWrapper.comments.get(pos);
        }
        return wrapper;
    }
    
    public PageReference deleteCase()
    {
        Integer pos=getCaseWrapperPos(caseToDel);
        if (-1!=pos)	
        {
            CaseKeyWrapper wrapper=caseWrappers.get(pos);
            if (null!=wrapper.cs.Id)
            {
                casesToDelete.add(wrapper.cs);
            }
            caseWrappers.remove(pos);
        }
        return null;
    }
    
    
    public PageReference deleteCaseComment()
    {
        String[] keyComps=ccToDel.split(':');
        
        Integer pos=getCaseWrapperPos(keyComps[0]);
        if (-1!=pos)	
        {
            CaseKeyWrapper wrapper=caseWrappers.get(pos);
            Integer commentPos=getCaseCommentWrapperPos(keyComps[1], wrapper);
            if (-1!=commentPos)	
            {
                CaseCommentKeyWrapper comWrap=wrapper.comments.get(commentPos);
                
                if (null!=comWrap.comment.Id)
                {
                    commentsToDelete.add(comWrap.comment);
                }
                wrapper.comments.remove(commentPos);
            }
        }
        
        return null;
    }
    
    public PageReference addCase()
    {
        caseWrappers.add(
            new CaseKeyWrapper(key++, 
                               new Case(AccountId=stdCtrl.getId()),
                               null));
        return null;
    }
    
    public PageReference addCaseComment()
    {
        CaseKeyWrapper wrapper=getCaseWrapper(caseToAddCC);
        if (null!=wrapper)
        {
            wrapper.addComment();
        }
        return null;
    }
    
    public PageReference save()
    {
        List<Case> cases=new List<Case>();
        for (CaseKeyWrapper wrapper : caseWrappers)
        {
            cases.add(wrapper.cs);
        }
        
        upsert cases;
        
        List<CaseComment> caseComments=new List<CaseComment>();
        for (CaseKeyWrapper wrapper : caseWrappers)
        {
            for (CaseCommentKeywrapper ccWrapper : wrapper.comments)
            {	
                CaseComment comment=ccWrapper.comment;
                if (null==comment.ParentId)
                {
                    comment.parentId=wrapper.cs.id;
                }
                caseComments.add(comment);
            }	
        }
            try {
        upsert caseComments;
        
        delete casesToDelete; 
        delete commentsToDelete; 
    } catch(exception e) {
    }
        return stdCtrl.save();
        
    } 
  }

Test Class:

@isTest
public class addMultpleTestClass2 {

      public static testMethod void testMyController() {
    Account A = new Account (Name='Account Test');    
    insert A;
    Case c1 = New Case (Accountid = A.id);
    insert c1;
    Case c2 = New Case (Accountid = A.id);    
     insert c2;
 
                CaseComment cc1 = New CaseComment (CommentBody='test',Parentid=c1.id);
        		insert cc1;
          
                CaseComment cc2 = New CaseComment (CommentBody='test',Parentid=c1.id); 
   			 insert cc2;
  
    List<CaseComment> Casecomments = New   List <CaseComment>  () ;
        Casecomments.add(cc1);
        Casecomments.add(cc2);
          Test.StartTest();

    PageReference pageRef = Page.AccountCasesCommentsEdit;
    Test.setCurrentPage(pageRef);
        
    ApexPages.Standardcontroller sc = new ApexPages.Standardcontroller(A);
    ApexPages.currentPage().getParameters().put('Id',A.Id);

    AccountCasesCommentsEditExt  controller = new AccountCasesCommentsEditExt (sc);

    TaskKeyWrapper Agendas = New TaskKeyWrapper (1, new Task(Whatid=c1.id));
    CaseKeyWrapper caseWrapper = new CaseKeyWrapper(1,c1, Casecomments);
    controller.key  = 2; 
    controller.addCase();
    controller.caseToAddCC = 'CS1';
    controller.caseToDel = 'CS2';
    controller.ccToDel='CS2:CC1'  ; 
    controller.ccToDel='CS2:CC1'  ;
    String Key ='CS1';

    controller.addCaseComment();
    controller.deleteCase();
   controller.deleteCaseComment();
     controller.getCaseWrapperPos (key);
    controller.getCaseCommentWrapperPos(Key,caseWrapper);
    controller.getCaseCommentWrapper(Key,caseWrapper);
                controller.save();
        
        Key ='CS2';
       controller.getCaseCommentWrapperPos(Key,caseWrapper);
		        controller.save();

    Test.stopTest();

}
}

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Tom Simmons
February 20, 2017
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