public class FindProject {
   public Id OppObj{get;set;}
    public string Accname {get;set;}
    public string ReciName {get;set;}
    public string ProjectName;
    public opportunity objopp{
        get{
           objopp=[Select id,name,Account.Name,Owner.Name,Amount from opportunity where id=:OppObj limit 1]; 
        return objopp;
        }set;
    }
    public OpportunityLineItem objPro{
        get{
            objPro=[Select id,Projects__r.name,Start_Date__c from OpportunityLineItem where opportunity.id=:OppObj limit 1];
            return objPro;
        }set;
    }
    
    public Project__c proobj{
        get{
        ProjectName=[Select id,Projects__r.name from OpportunityLineItem where opportunity.id=:OppObj limit 1].Projects__r.name;
        proobj=[Select id,Program_Manager__r.name from Project__c where name=:ProjectName];
        return proobj;
        }set;
    }
}

@isTest
public class FindProjectTest {

    @isTest
    public static void testDataSetup(){
         Product2 prod = new Product2(Name = 'Laptop X200', Family = 'Hardware');
        insert prod;
        
        Id pricebookId = Test.getStandardPricebookId();
        
        PricebookEntry standardPrice = new PricebookEntry(Pricebook2Id = pricebookId, 
                                                          Product2Id = prod.Id, 
                                                          UnitPrice = 10000, 
                                                          IsActive = true);
        insert standardPrice;
        
        Pricebook2 customPB = new Pricebook2(Name='Custom Pricebook', isActive=true);
        insert customPB;
        
        PricebookEntry customPrice = new PricebookEntry(Pricebook2Id = customPB.Id, 
                                                        Product2Id = prod.Id, 
                                                        UnitPrice = 12000, 
                                                        IsActive = true);
        insert customPrice;
        Account acc = new Account(name='Test Account');
        insert acc;
        opportunity opp = new opportunity(name='Test Opportunity', 
                                          AccountId=acc.id,
                                          CloseDate =Date.newInstance(2016, 12, 9),
                                          stageName='Closed Lost',
                                          ForecastCategoryName='Pipeline',
                                          PaymentTerms__c='Net 30',
                                          type='New Business',
                                          Amount=5676,
                                          Pricebook2Id=customPB.Id
                                         );
        insert opp;
        
        OpportunityLineItem oppLineItem = new OpportunityLineItem(OpportunityId=opp.id,
                                                                  TotalPrice =664557,
                                                                  End_Date__c=Date.newInstance(2016, 12, 9),
                                                                  Quantity =56,
                                                                  PricebookEntryId = customPrice.Id);
        insert oppLineItem;
        
         FindProject obj = new FindProject();
        opportunity objopp = obj.objopp;
        OpportunityLineItem objPro = obj.objPro;
        
       
    }
    
}