@isTest
private class DailyLeadProcessorTest {
    public static string t='0 0 12 7 17 ?';
    static testmethod void testscheduleLead(){
        /*List<Lead> leads = new List<Lead>();
        
        for(Integer i = 0; i < 200; i++){
            Lead lead = new Lead(LastName = 'Test ' + i, LeadSource = '', Company = 'Test Company ' + i, Status = 'Open - Not Contacted');
            leads.add(lead);
        }
        
        insert leads;*/
        list<lead> newleads= new list<lead>();
    for(integer i=0;i<200;i++){
        
       lead l= new lead(LastName='test lastName'+i,company='test company');
        newleads.add(l);
    
    }
        insert newleads;
        test.startTest();
        
         Integer n=[select count() from Lead where LastName like '%test%'];
        system.assertEquals(200,n,'200 new leads not created');
        integer c=[select count() from lead where leadSource='Dreamforce'];
        system.assertEquals(0,c, 'dreamforce leads found');
            //DailyLeadProcessor d= new DailyLeadProcessor();
            string jobId= system.schedule('scheduleleadprocessor',t,new DailyLeadProcessor());
            test.stopTest();
    

    }}

global class DailyLeadProcessor implements schedulable {
    global void execute(SchedulableContext ctx){
        list<lead> list1=[select id, name, leadSource from lead where leadSource=null];
        if (!list1.isEmpty()){
        for(lead l: list1){
            l.leadSource='Dreamforce';
            
        }
            update list1;}
            
    }

}