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Traveller MadeTraveller Made 

How can I create a Test Class for my Apex Class ?

Hi,

After several days of work and a lot of help I managed to create an Apex Class and an Opportunity Trigger to create a quote when an opportunity is created and a quote line item if the opportunity has an opportunity line item. 

But now I must create a Test Class to manage to import it in my production and I have no idea how I can do that.

public class CreateQuote {

    @future

    public static void createQuote(List<Id> oppIds) {
        List<Quote> lstQ = new List<Quote>();

        //Fetching all the OLIs belonging to the Opportunities of Trigger.new
        List<OpportunityLineItem> olis =[select id, OpportunityId, quantity, PriceBookEntry.Product2Id, UnitPrice, PricebookentryId from OpportunityLineItem where OpportunityId in :oppIds];
        List<Opportunity> opps =[select id, name, CloseDate, Type, Pricebook2Id from Opportunity where Id in :oppIds];

        //Preparing a Map of each Opportunity and their corrresponding LineItems  ( Id of the opportunity => List of the OLIs that belong to the opportunity)
        Map<Id,List<OpportunityLineItem>> mapOppIdOli = new Map<Id,List<OpportunityLineItem>>();
        for (OpportunityLineItem oli : olis) {
            if (mapOppIdOli.containsKey(oli.OpportunityId)) {
                mapOppIdOli.get(oli.OpportunityId).add(oli);
            } else {
                List<OpportunityLineItem> lstOlis = new List<OpportunityLineItem>();
                lstOlis.add(oli);
                mapOppIdOli.put(oli.OpportunityId, lstOlis);
            }
        }

        //Preparing the new quotes - one for each Opportunity
        //List<Opportunity> opps =[select id, name, CloseDate, Pricebook2Id from Opportunity where Id in :oppIds];
        for (Opportunity o : opps) {
            if (o.Type == 'Event') {
                Quote q = new Quote();
                //q.name = 'Credit Note ' + o.name;
                q.name = o.name;
                //q.Montant_1_re_ch_ance__c = 1000;
                q.Date_de_Facture__c = o.CloseDate;
                q.Date_1_re_ch_ance__c = o.CloseDate;
                q.opportunityId = o.id;
                q.Pricebook2Id= o.Pricebook2Id;
                lstQ.add(q);
            }  
        }

        //Inserting the new quotes
        insert lstQ;

        //Preparing the new QLIs - one for each OLI
        List<QuoteLineItem> lstQLI = new List<QuoteLineItem>();
        for (Quote q : lstQ) {
            List<OpportunityLineItem> lstOlis = mapOppIdOli.get(q.OpportunityId);
            if (lstOlis != null) {
                for (OpportunityLineItem oli : lstOlis) {
                    QuoteLineItem qli = new QuoteLineItem();
                    qli.quoteId = q.Id;
                    qli.UnitPrice = oli.UnitPrice;
                    qli.Product2Id = oli.PriceBookEntry.Product2Id;
                    qli.Quantity = oli.Quantity;
                    qli.PriceBookentryid = oli.PriceBookentryId;
                    lstQLI.add(qli);
                }
            }
        }

        //Inserting the new QLIs
        insert lstQLI;

    }

}


trigger Facturation on Opportunity (after insert) {

        List<Id> oppIds = new List<Id>();

        for (Opportunity o : Trigger.new)
            oppIds.add(o.id);

        CreateQuote.createQuote(oppIds);   

}
Raj VakatiRaj Vakati
try this code
  
@isTest
public class CreateQuoteTest {
    static testMethod void insertNewOpportunity() {
        Test.startTest();

        Product2 testProduct = new Product2(
            Name = 'Happy Funtime Ball'
        );
        insert testProduct;

        Opportunity testOpportunity = new Opportunity(
            Name = 'Test Opportunity Triggers',
            CloseDate = '2016-01-01',         
            StageName = 'Sourcing Demand'
        );
        insert testOpportunity;

        OpportunityLineItem testOLI = new OpportunityLineItem(
            OpportunityId = testOpportunity.Id,
            Product2 = testProduct.Id
            // Any other data you need
        );
        insert testOLI;

      

       


        Test.stopTest();

       
    }
}

 
Traveller MadeTraveller Made
@isTest

public class CreateQuoteTest {

    static testMethod void insertNewOpportunity() {

        Test.startTest();

        Product2 testProduct = new Product2(

            Name = 'Happy Funtime Ball'

        );

        insert testProduct;
 
        Opportunity testOpportunity = new Opportunity(

            Name = 'Test Opportunity Triggers',

            CloseDate = DATEVALUE('2005-11-15'),        

            StageName = 'Sourcing Demand'

        );

        insert testOpportunity;


        OpportunityLineItem testOLI = new OpportunityLineItem(

            OpportunityId = testOpportunity.Id,

            Product2 = testProduct.Id,

            Name = testOpportunity.Name,
            
            Account_manager_gescom__c = testOpportunity.Account_manager_gescom__c,
            
            CloseDate = testOpportunity.CloseDate,
            
            AccountId = testOpportunity.AccountId,
            
            Stage = testOpportunity.Stage
            
            

        );

        insert testOLI;

        Test.stopTest();

    }

}

I tried this but there is a problem with the date. I tried many syntaxes but it didn't work.
Traveller MadeTraveller Made
User-added image
Steven NsubugaSteven Nsubuga
Try  
@isTest
public class CreateQuoteTest {
    static testMethod void insertNewOpportunity() {
        Test.startTest();

        Product2 testProduct = new Product2(
            Name = 'Happy Funtime Ball'
        );
        insert testProduct;

        PricebookEntry pbEntry = new PricebookEntry(
             Pricebook2Id = Test.getStandardPricebookId(),
             Product2Id = testProduct.Id,
             UnitPrice = 100.00,
             IsActive = true
        );
        insert pbEntry;
        
        Opportunity testOpportunity = new Opportunity(
            Name = 'Test Opportunity Triggers',
            CloseDate = date.today().addDays(5),         
            StageName = 'Sourcing Demand',
            Type = 'Event'
        );
        insert testOpportunity;

        OpportunityLineItem testOLI = new OpportunityLineItem(
            OpportunityId = testOpportunity.Id,
            Product2Id = testProduct.Id,
            PricebookEntryId = pbEntry.Id,
            Quantity = 5,
            TotalPrice = 5 * pbEntry.UnitPrice
            // Any other data you need
        );
        insert testOLI;      

        Test.stopTest();
       
    }
}
Raj VakatiRaj Vakati
try this 
  
@isTest
public class CreateQuoteTest {
    static testMethod void insertNewOpportunity() {
        Test.startTest();

        Product2 testProduct = new Product2(
            Name = 'Happy Funtime Ball'
        );
        insert testProduct;

        Opportunity testOpportunity = new Opportunity(
            Name = 'Test Opportunity Triggers',
            CloseDate = System.today()+10;     
            StageName = 'Closed Won',
			Amount =100 
        );
        insert testOpportunity;

        OpportunityLineItem testOLI = new OpportunityLineItem(
            OpportunityId = testOpportunity.Id,
            Product2 = testProduct.Id,
                      Quantity = 5

        );
        insert testOLI;

      

       


        Test.stopTest();

       
    }
}


 
Traveller MadeTraveller Made
Steven Nsubuga's one works but it only give me 61% of code coverage. I must have 75%.
I am still trying to make Raj V's one work.
Traveller MadeTraveller Made
This works but too littlle code coevrage 

@isTest

public class CreateQuoteTest {
    static testMethod void insertNewOpportunity() {
        Test.startTest();


        Product2 testProduct = new Product2(

            Name = 'Happy Funtime Ball'

        );

        insert testProduct;

        PricebookEntry pbEntry = new PricebookEntry(

             Pricebook2Id = Test.getStandardPricebookId(),

             Product2Id = testProduct.Id,

             UnitPrice = 100.00,

             IsActive = true

        );

        insert pbEntry;

         

        Opportunity testOpportunity = new Opportunity(

            Name = 'Test Opportunity Triggers',

            CloseDate = date.today().addDays(5),        

            StageName = 'Sourcing Demand',

            Type = 'Event',
            
            Account_manager_gescom__c = 'Farida Raji'
            
            

        );

        insert testOpportunity;


        OpportunityLineItem testOLI = new OpportunityLineItem(

            OpportunityId = testOpportunity.Id,

            Product2Id = testProduct.Id,

            PricebookEntryId = pbEntry.Id,

            Quantity = 5,

            TotalPrice = 5 * pbEntry.UnitPrice

            // Any other data you need

        );

        insert testOLI;     

        Test.stopTest();


    }

}