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srinu namani 12srinu namani 12 

Help me in writing Test Class for this

public with sharing class AccountBeforeUpdateTriggerHandler extends TriggerHandlerBase{
    
    //This method is called when trigger is called for the first time. Functionality defined in this function will be executed only once
    public override void mainEntry(){
        changeAccountOwnership();
        if(!CONSTANTS.SICTRANSLATIONLOGIC_TRIGGERED)
     CommonUtility.FS_SICTranslationToGeneralIndustries(Trigger.new);   

    } 
    //When trigger is i
    public override void inProgressEntry(){
        
    }
/*Approval process Final Approval and rejection actions*/
    public void changeAccountOwnership(){
        if(Trigger.new!=null && Trigger.new.size()==1){
            Account oldAcc = (Account) Trigger.old[0];
            Account newAcc = (Account) Trigger.new[0];
            //Case of OwnershipChange : Approved
            if (oldAcc.Change_Owner_Approval_Status__c == 'In Process' &&
            oldAcc.Eligible_for_Owner_Change__c == true &&
            newAcc.Change_Owner_Approval_Status__c == 'Approved'){
                newAcc.OwnerId = oldAcc.Potential_Account_Owner__c;
                newAcc.Eligible_for_Owner_Change__c = false;
                newAcc.Potential_Account_Owner__c = null;
                newAcc.Change_Owner_Approval_Status__c = null;
            }
            //Case : Rejected
            else if(oldAcc.Change_Owner_Approval_Status__c == 'In Process' &&
            oldAcc.Eligible_for_Owner_Change__c == true &&
            newAcc.Change_Owner_Approval_Status__c == 'Rejected'){
                newAcc.Eligible_for_Owner_Change__c = false;
                newAcc.Potential_Account_Owner__c = null;
                newAcc.Change_Owner_Approval_Status__c = null;
            }
        
        }
    }
     

}
pconpcon
Since writing a test class to cover all of the facets of this class is not something that anyone on here will do for you, I can give you some pointers and hopefully get you started.  I would recommend that you do some reading on testing [1] [2] [3] [4] to get a better understanding.  Each of your individual tests should only tests one specific portion of you class (ie a constructor test, sendEmail test, contactSelected test, etc).  You should also have both a postitive (everything works perfectly) and a negative (things are not right) test.

Each test should follow the following structure:
  • Setup of test data. This includes creation of any data needed by your class.  Account, Contacts etc
  • Starting the test. This is calling Test.startTest() to reset the governor limits
  • Calling your class / method
  • Stopping the test.This is calling Test.stopTest() to reset the governor limits and allow for any async jobs to finish
  • Asserting that your changes have worked
    • If you have inserted/updated/deleted data, you need to query for the updates
    • Run System.assert, System.assertEquals, System.assertNotEquals to verify that you got the correct data back
If you have any specific problems with your tests, feel free to create a new post with the part of the class you are trying to test and your current test method, and you will more likely get a better response then asking for someone to essentially write an entire test class for you.

[1] http://www.sfdc99.com/2013/05/14/how-to-write-a-test-class/
[2] http://pcon.github.io/presentations/testing/
[3] http://blog.deadlypenguin.com/blog/2014/07/23/intro-to-apex-auto-converting-leads-in-a-trigger/
[4] http://blog.deadlypenguin.com/blog/testing/strategies/