testClass

@isTest
public class todaysBatchTests {


    public static testMethod void testTodaysProcess(){
        /***create test records***/
        String query = 'SELECT id, name, domainName__c, name FROM Account WHERE ((name = \'gmail.com\' AND domainName__c = \'gmail.com\') OR'+
            '(name = \'yahoo.com\' AND domainName__c = \'yahoo.com\') OR'+
            '(name = \'hotmail.com\' AND domainName__c = \'hotmail.com\'))';
        List<Account> dupeAccs = new List<Account>();
        List<Contact> testCons = new List<Contact>();
        List<Lead> testLeads = new List<Lead>();
        List<Case> testCs = new List<Case>();
        for(integer x=0;x<10;x++){
            Account yahoo = new Account(name = 'yahoo.com', email_adress__c = 'jimmy'+x+'@yahoo.com');
            Account gmail = new Account(name = 'gmail.com', email_adress__c = 'jimmy'+x+'@gmail.com');
            Account hotmail = new Account(name = 'hotmail.com', email_adress__c = 'jimmy'+x+'@hotmail.com');
            dupeAccs.add(yahoo);
            dupeAccs.add(hotmail);
            dupeAccs.add(gmail);
        }

        insert dupeAccs;
        for(Account acc : dupeAccs){
            For(integer x=0;x<20;x++){
                Account testAcc = datafactory.testAccount(x);
                insert testAcc;

                testCons.add(datafactory.testcontact(x, testacc.id));
                testLeads.add(datafactory.testLead(x,testacc.id));
                testCs.add(datafactory.testCase(x, testacc.id));


            }
        }
        insert testCons;
        insert testleads;
        insert testcs;

        Account masterG = new Account(name = 'super duper master gmail.com', email_adress__c = 'super@gmail.com');
        Account masterY = new Account(name = 'super duper master yahoo.com', email_adress__c = 'super@yahoo.com');
        Account masterH = new Account(name = 'super duper master hotmail.com',email_adress__c = 'super@hotmail.com');
        insert masterG;
        insert masterY;
        insert masterH;
        /***test records created***/

        //do our testing with a fresh set of limits
        test.startTest();
            //instantiate new batch class
            todaysBatchProcess tbp = new todaysBatchProcess(query);
            //execute batch process and store job id
            Id batchid = database.executeBatch(tbp,50);
            //spit out batchId to query job
            system.debug(batchId);
        test.stopTest();
        system.assertEquals('Success', [SELECT status FROM AsyncApexJob WHERE id = :batchId].status);
    }
}