How to write Test class for batch apex in salesforce?
Let us learn to write a test class that covers a batch apex class. Nothing better than learning from a working example.
Here is a test class for a batch apex class that updates account records that are passed through a select query.
Batch apex clas
global class BatchProcessAccount implements Database.Batchable<sObject>{
String query;
global Database.querylocator start(Database.BatchableContext BC){
Query = 'Select id,name,AccountNumber,type from account';
return Database.getQueryLocator(query);
}
global void execute(Database.BatchableContext BC, List<account> scope){
List<Account> AccountList = new List<Account>();
for(account acc : scope){
acc.AccountNumber= '8888';
AccountList.add(acc);
}
update AccountList ;
}
global void finish(Database.BatchableContext BC){
}
}
Test class for above batch apex class
@isTest
private class BatchProcessAccount_Test {
static testMethod void BatchProcessAccount_TestMethod (){
Profile prof = [select id from profile where name='system Administrator'];
User usr = new User(alias = 'usr', email='us.name@vmail.com',
emailencodingkey='UTF-8', lastname='lstname',
timezonesidkey='America/Los_Angeles',
languagelocalekey='en_US',
localesidkey='en_US', profileid = prof.Id,
username='testuser128@testorg.com');
insert usr;
Account accRec = new Account(name='testName', Ownerid = usr.id);
insert accRec ;
Test.StartTest();
BatchProcessAccount objBatch = new BatchProcessAccount();
ID batchprocessid = Database.executeBatch(objBatch);
Test.StopTest();
}
}
Just create a instance of the batch apex class: BatchProcessAccount objBatch = new BatchProcessAccount();
and then pass the craeted varaible in executebatch method as below:
ID batchprocessid = Database.executeBatch(objBatch);
