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Lavanya Ponniah 3Lavanya Ponniah 3 

How to write test class for this code

trigger trgCreateExpenseOnEventCompletion on Event (before insert, before update)
{
    Set<Id> setOwnerId = new Set<Id>();
    Set<Date> setNewDates = new Set<Date>();
    Set<Date> setExistingDates = new Set<Date>();
    
    List<Expense__c> lstExpense = new List<Expense__c>();
    
    if(Trigger.isBefore && Trigger.isInsert)
    {
        for(Event objEvent : Trigger.New)
        {
            if(objEvent.StartDateTime != Null)
            {
                setNewDates.add(objEvent.StartDateTime.Date());
                setOwnerId.add(objEvent.OwnerId);
            }
        }
        
        if(setNewDates != Null && setNewDates.size() > 0)
        {
            List<Event> lstTempEvent = [select Id, ActivityDate from Event where IsAllDayEvent = true AND ActivityDate IN : setNewDates AND OwnerId IN : setOwnerId AND Subject = 'Out Of Office' AND Status__c != 'Deferred' LIMIT 1];
            
            system.debug('test' + lstTempEvent);
            
            if(lstTempEvent != Null && lstTempEvent.size() > 0)
            {
                for(Event objEvent : lstTempEvent)
                {
                    setExistingDates.add(objEvent.ActivityDate);
                }
            }
        }
    }

    for(Event objEvent : Trigger.New)
    {
        if(setExistingDates.size() > 0 && setExistingDates.contains(objEvent.StartDateTime.Date()))
        {
            objEvent.addError('Sorry! You cant create an event for this date as you are on leave...');
        }
        else
        {
            String AccountId = '';
            
            if(objEvent.WhatId != Null)
            {
                AccountId = objEvent.WhatId;
            }
            
            if( objEvent.Status__c == 'Completed' && objEvent.Expense_Created__c != true && objEvent.Subject != 'Phone Call' && objEvent.Total_Expense__c > 0)
            {
                List<Sales_Representative__c> lstSalesRep = [select Id from Sales_Representative__c where Representative_Name__c =: objEvent.OwnerId];
                
                if(lstSalesRep.size() > 0)
                {
                    objEvent.Expense_Created__c = true;
                    
                    RecordType objRT = [select Id from RecordType where Name = 'Auto Created'];
                    
                    Expense__c objExpense = new Expense__c();
                    
                    objExpense.Activity_Performed__c = objEvent.Subject;
                    objExpense.Activity_Status__c = objEvent.Status__c;
                    objExpense.Entertainment_Expense__c = objEvent.Entertainment_Expense__c;
                    if(objEvent.End_DateTime__c != Null)
                    {
                        objExpense.Expense_Date__c = objEvent.End_DateTime__c.Date();
                    }
                    else
                    {
                        objExpense.Expense_Date__c = objEvent.EndDateTime.Date();
                    }
                    objExpense.Expense_Status__c = 'Created';
                    objExpense.Other_Expense__c = objEvent.Other_Expense__c;
                    objExpense.Parking_Expense__c = objEvent.Parking_Expense__c;
                    
                    objExpense.Sales_Representative__c = lstSalesRep[0].Id;
                    objExpense.Toll_Expense__c = objEvent.Toll_Expense__c;
                    objExpense.Total_Travel_Expense__c = objEvent.Total_Travel_Expense__c;
                    objExpense.RecordTypeId = objRT.Id;
                    
                    lstExpense.add(objExpense);
                }
            }
        }
    }
    
    if(lstExpense.size() > 0)
    {
        insert lstExpense;
    }
    
    if(Trigger.isBefore && Trigger.isUpdate)
    {
        for(Event objEvent : Trigger.New)
        {
            String AccountId = '';
        
            if(objEvent.WhatId != Null)
            {
                AccountId = objEvent.WhatId;
            }
            
            if(AccountId != '' &&  AccountId.substring(0,3) == '001' &&  objEvent.Status__c == 'Deferred' && Trigger.oldMap.get(objEvent.Id).Status__c != 'Deferred')
            {
                if(objEvent.Owner_Manager_Email__c != Null)
                {
                    try
                    {
                        Account objAccount = [select Id, Name from Account where Id =: AccountId];
                                         
                        List<String> toAddress = new List<String>();
                        List<String> bccAddress = new List<String>();
                                        
                        toAddress.add(objEvent.Owner_Manager_Email__c);   
                        //toAddress.add('ashish.jain@saasfocus.com');  
                        bccAddress.add('ashish.jain@saasfocus.com');
                            
                        Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
                        mail.setToAddresses(toAddress);
                        mail.setBccAddresses(bccAddress);
                        
                        mail.setSubject('Activity Deferred');
                            
                        string strBody = '<br/><font style=\"font-family:arial; font-size:16px;\"> <br/><br/><br/>An activity has been deferred by ' + objEvent.Owner_Name__c + '.<br/><br>Following are the details of the activity : </font><br/><br/><br/>';
                        
                        strBody += '<b>Dealer Name - </b>' + objAccount.Name + '<br/><br/><b>Start DateTime - </b>' + objEvent.StartDateTime + '<br/><br/><b>End DateTime - </b>' + objEvent.EndDateTime + '<br/><br/>';
                        
                        strBody +=  '<br/><br/><b>Start DateTime - </b>' + objEvent.StartDateTime + '<br/><br/><b>End DateTime - </b>' + objEvent.EndDateTime + '<br/><br/>';
                        
                        strBody += '<a href=\"https://cs6.salesforce.com/' + objEvent.Id + '\" >Click to open the activity</a>';
                        strBody += '<br/><br/><br/>Thanks<br/><br/>Falken Tyres';
                        
                        mail.setHtmlBody(strBody);
                            
                        Messaging.sendEmail(new Messaging.SingleEmailMessage[] {mail});
                        
                    }
                    catch(Exception e)
                    {
                    }
                }
            }
            else if(AccountId != '' && AccountId.substring(0,3) != '001' && objEvent.Status__c == 'Deferred' && Trigger.oldMap.get(objEvent.Id).Status__c != 'Deferred')
            {
                if(objEvent.Owner_Manager_Email__c != Null)
                {
                    try
                    {
                        List<String> toAddress = new List<String>();
                        List<String> bccAddress = new List<String>();
                                        
                        toAddress.add(objEvent.Owner_Manager_Email__c);   
                        //toAddress.add('ashish.jain@saasfocus.com');  
                        bccAddress.add('ashish.jain@saasfocus.com');
                            
                        Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
                        mail.setToAddresses(toAddress);
                        mail.setBccAddresses(bccAddress);
                        
                        mail.setSubject('Activity Deferred');
                            
                        string strBody = '<br/><font style=\"font-family:arial; font-size:16px;\"> <br/><br/><br/>An activity has been deferred by ' + objEvent.Owner_Name__c + '.<br/><br>Following are the details of the activity : </font><br/><br/><br/>';
                        
                        strBody +=  '<br/><br/><b>Start DateTime - </b>' + objEvent.StartDateTime + '<br/><br/><b>End DateTime - </b>' + objEvent.EndDateTime + '<br/><br/>';
                        strBody += '<a href=\"https://cs6.salesforce.com/' + objEvent.Id + '\" >Click to open the activity</a>';
                        strBody += '<br/><br/><br/>Thanks<br/><br/>Falken Tyres';
                        
                        mail.setHtmlBody(strBody);
                            
                        Messaging.sendEmail(new Messaging.SingleEmailMessage[] {mail});
                        
                    }
                    catch(Exception e)
                    {
                    }
                }
           }
       }
    }
}
Andy BoettcherAndy Boettcher
When writing a test class, you want to create data and then do the appropriate DML actions on it that will fire the trigger and test ALL logic you have written.

Your trigger is firing on inserts and updates - so spin up a test class, create some events, then insert and update them with the data in your conditionals - you'll get the pattern pretty quick.

Good luck!
Amit Chaudhary 8Amit Chaudhary 8
Please check below post for test classes. I hope that will help you
http://amitsalesforce.blogspot.in/search/label/Test%20Class

Please check below post for sample test classes
http://amitsalesforce.blogspot.in/2015/06/best-practice-for-test-classes-sample.html
@isTest 
public class TriggerTestClass 
{
	static testMethod void testMethod1() 
	{
		Account acc = new Accpunt();
		acc.Name='demo';
		insert acc;
	
		// Perform DML here only
		Event  objEvent = new Event();
        objEvent.Status__c = 'Not Started';
        objEvent.Subject = 'Out Of Office';
        objEvent.ActivityDate = System.today();
        objEvent.OwnerId = userinfo.getUserId();
        objEvent.WhatId = acc.Id;
        objEvent.StartDateTime = System.today();
        objEvent.IsAllDayEvent = true;
        insert objEvent;
		
		update 	objEvent;
	}
}
Please follow below salesforce Best Practice for Test Classes :-

1. Test class must start with @isTest annotation if class class version is more than 25
2. Test environment support @testVisible , @testSetUp as well
3. Unit test is to test particular piece of code working properly or not .
4. Unit test method takes no argument ,commit no data to database ,send no email ,flagged with testMethod keyword .
5. To deploy to production at-least 75% code coverage is required
6. System.debug statement are not counted as a part of apex code limit.
7. Test method and test classes are not counted as a part of code limit
9. We should not focus on the  percentage of code coverage ,we should make sure that every use case should covered including positive, negative,bulk and single record .
Single Action -To verify that the the single record produces the correct an expected result .
Bulk action -Any apex record trigger ,class or extension must be invoked for 1-200 records .
Positive behavior : Test every expected behavior occurs through every expected permutation , i,e user filled out every correctly data and not go past the limit .
Negative Testcase :-Not to add future date , Not to specify negative amount.
Restricted User :-Test whether a user with restricted access used in your code .10. Test class should be annotated with @isTest .
11 . @isTest annotation with test method  is equivalent to testMethod keyword .
12. Test method should static and no void return type .
13. Test class and method default access is private ,no matter to add access specifier .
14. classes with @isTest annotation can't be a interface or enum .
15. Test method code can't be invoked by non test request .
16. Stating with salesforce API 28.0 test method can not reside inside non test classes .
17. @Testvisible annotation to make visible private methods inside test classes.
18. Test method can not be used to test web-service call out . Please use call out mock .
19. You can't  send email from test method.
20.User, profile, organization, AsyncApexjob, Corntrigger, RecordType, ApexClass, ApexComponent ,ApexPage we can access without (seeAllData=true) .
21. SeeAllData=true will not work for API 23 version eailer .
22. Accessing static resource test records in test class e,g List<Account> accList=Test.loadData(Account,SobjectType,'ResourceName').
23. Create TestFactory class with @isTest annotation to exclude from organization code size limit .
24. @testSetup to create test records once in a method  and use in every test method in the test class .
25. We can run unit test by using Salesforce Standard UI,Force.com IDE ,Console ,API.
26. Maximum number of test classes run per 24 hour of period is  not grater of 500 or 10 multiplication of test classes of your organization.
27. As apex runs in system mode so the permission and record sharing are not taken into account . So we need to use system.runAs to enforce record sharing .
28. System.runAs will not enforce user permission or field level permission .
29. Every test to runAs count against the total number of DML issued in the process .


Please let us know if this post will help you


 
karunakarreddy bade 8karunakarreddy bade 8
hi 


When writing a test class, you want to create data and then do the appropriate DML actions on it that will fire the trigger and test ALL logic you have written

Please check below post for test classes. I hope that will help you:
 
http://amitsalesforce.blogspot.in/search/label/Test%20Class

Thanks,
B.karunakar