Test Class for Batch Apex

By | January 21, 2020

Hi,this program shows test class for Batch apex

Apex Class

global class BatchApexTestExample implements Database.Batchable<Sobject>{
    global Database.QueryLocator start(Database.BatchableContext bc){
        return Database.getQueryLocator('select leadsource,rating from lead');
    }
    global void execute(Database.BatchableContext bc,List<Lead> scope){
        for(Lead l : scope){
            if(l.leadsource=='web'){
                l.rating='warm';
            }
        }
        update scope;
    }
    public void finish(Database.BatchableContext bc){
        
    }
}

Test Class

@isTest
private class BatchApexTestExampleTest {
    static testMethod void testme(){
        Lead l = new Lead();
        l.FirstName='Salesforce';
        l.LastName='Codes';
        l.Company='salesforcecodes';
        l.leadsource='Web';
        insert l;
        Test.startTest();
        BatchApexTestExample ba= new BatchApexTestExample();
        Id jobid= Database.executeBatch(ba,5);
        Test.stopTest();
        Lead leads = [select rating from lead where id=:l.Id];
        system.assertEquals('Warm', leads.Rating);
    }
}
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