trigger UpdateRenewableFields on Contract(after insert) 
{
    Set<Id> oliIds = new Set<Id>(); 
    Map<string, Contract> contractMap = new Map<string, Contract>();
    
    List<OpportunityLineItem> oliIdsToUpdate = new List<OpportunityLineItem>();
    
    for(Contract c: Trigger.new)
    {
        if(c.Opportunity_Product_Id__c != null && c.Opportunity_Product_Id__c != '')
        {
            oliIds.add(c.Opportunity_Product_Id__c); 
            if(c.Parent_Opportunity_Product_Id__c != null && c.Parent_Opportunity_Product_Id__c != '')
            {       
                contractMap.put(c.Parent_Opportunity_Product_Id__c , c);
            }
        }
    }
    if(oliIds.size() > 0)
    {
        //Get Parent OLI Ids//
        List<OpportunityLineItem> parentOliList = [Select Id,Parent_Opportunity_Product_Id__c, Contract__c from OpportunityLineItem where Id in: oliIds];
        Set<Id> parentOlis = new Set<Id>();
        Map<Id, OpportunityLineItem> oliMap = new Map<Id, OpportunityLineItem>();
        for(OpportunityLineItem oli:parentOliList)
        {   
            oliMap.put(oli.id, oli);///Map use to update OLI
            parentOlis.add(oli.Parent_Opportunity_Product_Id__c);
        }
        
        List<Contract> parentContractList = [Select Id,Renewal_Contracts_Numbers__c,Opportunity_Name__c,Opportunity_Product_Id__c,  Renewal_Status__c,Renewal_Amount__c,Renewal_ARR__c from Contract where Opportunity_Product_Id__c in: parentOlis];
        
        List<Contract> contractsToUpdate = new List<Contract>();
        
        for(Contract parent: parentContractList)
        {
            if(parent.Opportunity_Product_Id__c != null && parent.Opportunity_Product_Id__c != '' && contractMap.containsKey(String.valueOf(parent.Opportunity_Product_Id__c)))
            {
                Contract child = contractMap.get(String.valueOf(parent.Opportunity_Product_Id__c));
                //parent.Renewal_Contract__c = true ;
                parent.Renewal_Contracts_Numbers__c = child.Id ;
                parent.Renewal_Status__c = 'Renewed';
                parent.Renewal_Amount__c = child.Subtotal_Price__c ;
                parent.Renewal_ARR__c = child.Annual_Recurring_Revenue__c ;
                
                if(parent.Multi_year_Sub_extension_contract__c)
                {
                    parent.Actual_renewal_date__c = child.Actual_renewal_date__c;
                }
                contractsToUpdate.add(parent);
            }
        }
        System.debug('contractsToUpdate::' + contractsToUpdate);
        
        ///Updating Opportunity Line Item with Contract Number////
        for(Contract c: Trigger.new)
        {
            if(oliMap.containsKey(c.Opportunity_Product_Id__c))
            {
                OpportunityLineItem oli = oliMap.get(c.Opportunity_Product_Id__c);
                oli.Contract__c = c.Id;
                oliIdsToUpdate.add(oli);
            }
        }
        /////////////////////////////////////////////////////////
        try
        {
            if(contractsToUpdate.size() > 0)
            {
                update contractsToUpdate;
            }
            if(oliIdsToUpdate.size() > 0)
            {
                update oliIdsToUpdate; 
            }
        }
        catch(Exception e)
        {
            System.debug('ERROR::' + e.getMessage());
        }
    }
}

@IsTest
public class TestUpdateRenewableFields{
static testmethod void testUpdateRenewable(){
Account acc10 = new Account(Name='Testing SubscriptionClone', BillingStreet='Banjara hills', BillingCity='Hyd', BillingState='TS',
                                    BillingPostalCode = '500084', BillingCountry = 'India', Phone = '100', Industry = 'Banking',
                                    Type = 'Paid', Customer_Type__c = 'Customer', Customer_List__c = true,PPAS__c = false,
                                    PPCD__c = false,PPSP__c = false, PGSQL__c = false,PPAS_Developer_Sub__c = false,      
                                    PPSP_Developer_Sub__c = false, PGSQL_Developer_Sub__c = false,RDBA__c = false,  
                                    Services__c = false,Training__c = false,SteelEye__c = false,Jump_Start_Subscription__c = false    );  
        insert acc10 ;
        
        
        contact cc10 = new contact(FirstName ='Test Contact Subscription', LastName ='Opptyclone', Role__c='Subscription Administrator',AccountId=acc10.Id);
        insert cc10;
        
        Opportunity opty10 = new Opportunity(Name = 'Test SubscriptionOppty', StageName ='Proposal/Price Quote', Probability =60, 
                                            CloseDate = System.Today(), Type = 'Existing Customer', Assigned_Sales_Engineer__c = null, 
                                            Update_Complete__c = true, Partner__c = 'None', Anchor__c='Non Anchor', AccountId = acc10.Id,
                                            Payment_Type__c = 'Order Form', LeadSource = 'Subscription Renewal');
        insert opty10;
        
        
        
        
        list<OpportunityContactRole> opptyConRolelist15 =  new list<OpportunityContactRole>{
            new OpportunityContactRole(ContactId = cc10.Id, OpportunityId = opty10.Id, IsPrimary = false, Role = 'Subscription Administrator')
        };   
        insert opptyConRolelist15;
        
        product2 p2 = new product2(Name ='Postgres Plus Enterprise Edition Unicores', Product_Name1__C='Product - Subscription', Product_Group__c='PPAS',
                                    IsActive = true, Description='Postgres Plus Enterprise Edition Unicores', ARR_Impact1__c = 'Yes');
        insert p2;
        
        PricebookEntry pbey = new PricebookEntry(Product2ID=p2.id, Pricebook2ID= test.getStandardPricebookId(), UnitPrice=50, isActive=true);
        insert pbey;
        
        Opportunitylineitem ooli10 = new Opportunitylineitem(OpportunityId = opty10.Id, PricebookEntryId = pbey.Id, Quantity =4, 
                                    Start_Date__c = System.today(), End_Date__c =  System.today() + 100, Type_of_Contract__c='None',
                                    Term__c =12, Type_Of_Product__c='Single Year Subscription', Type_of_ARR__c= 'New Addition ARR',
                                    TotalPrice=1750, No_ARR__c = false, In_Year_Billing__c = 10);
        insert ooli10;
        
        Opportunitylineitem ooli15 = new Opportunitylineitem(OpportunityId = opty10.Id, PricebookEntryId = pbey.Id, Quantity =4, 
                                    Start_Date__c = System.today(), End_Date__c =  System.today() + 100, Type_of_Contract__c='None',
                                    Term__c =12, Type_Of_Product__c='Single Year Subscription', Type_of_ARR__c= 'New Addition ARR',
                                    TotalPrice=1750, No_ARR__c = false, In_Year_Billing__c = 10, Parent_Opportunity_Product_Id__c=ooli10.Id);
        insert ooli15;
        
       // list<Contract> contrlist = new list<Contract>{
          Contract contrlist= new Contract(CurrencyIsoCode='USD', Annual_Contract_Value__c =5000, Type_Of_Product__c='Single Year Subscription',
                                        Notes__c='Contract is getting created', Opportunity_Product_Id__c= ooli10.Id, Contracts_In_Year_Billing__c=1500,
                                       AccountId=acc10.Id);
                                       
         
        insert contrlist;
        
        Contract contr1 = new Contract(CurrencyIsoCode='USD', Annual_Contract_Value__c =5000, Type_Of_Product__c='Single Year Subscription',
                                        Notes__c='Contract is getting created', Opportunity_Product_Id__c= ooli10.Id, Contracts_In_Year_Billing__c=1500,
                                       AccountId=acc10.Id);
          
          insert contr1;                          
         Test.StartTest();
        contrlist.Renewal_Contracts_Numbers__c=contr1.id;
        contrlist.Renewal_ARR__c=contr1.Annual_Recurring_Revenue__c;
        contrlist.Renewal_Amount__c=contr1.Subtotal_Price__c;
        contrlist.Renewal_Status__c='Renewed';
        update contr1;
        Test.StopTest();
        
        }
        }

{
            if(parent.Opportunity_Product_Id__c != null && parent.Opportunity_Product_Id__c != '' && contractMap.containsKey(String.valueOf(parent.Opportunity_Product_Id__c)))
            {
                Contract child = contractMap.get(String.valueOf(parent.Opportunity_Product_Id__c));
                //parent.Renewal_Contract__c = true ;
                parent.Renewal_Contracts_Numbers__c = child.Id ;
                parent.Renewal_Status__c = 'Renewed';
                parent.Renewal_Amount__c = child.Subtotal_Price__c ;
                parent.Renewal_ARR__c = child.Annual_Recurring_Revenue__c ;
                
                if(parent.Multi_year_Sub_extension_contract__c)
                {
                    parent.Actual_renewal_date__c = child.Actual_renewal_date__c;
                }
                contractsToUpdate.add(parent);
            }
        }