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Soundar Raj PonpandiSoundar Raj Ponpandi 

Cover a Test Class for Standard Controller in constructor

HI Friends,

I am using " ApexPages.Standard Controller "  in constructor , can anyone please explain how can i cover this line in test class. i am not able to create an instance for my class in the test class. please refer my following class and good advise me how can i cover this test class as well.
 
public class caseAssignment{
    //Variables
    Public Case_Associate__c str;
    public ApexPages.StandardController controller;
    Public String recType{get;set;}
    Private final Case_Associate__c caseSense;
    Public Boolean section;
    
    //Constructor | Passing Case Number Into case Associate
    public caseAssignment(ApexPages.StandardController controller) {
        this.caseSense = (Case_Associate__c)controller.getRecord();
        caseSense.Case_Number__c = ApexPages.currentPage().getParameters().get('C_A_ID');
       // caseSense.OwnerId = ApexPages.currentPage().getParameters().get('Own');
        system.debug('recType ***** |' + recType);
    }
    
    public PageReference test() {
        return null;
    }
    
    //Get Record Type & Display in VF Pages
    public List<SelectOption> GetRecordTypes() {
        List<SelectOption> options = new List<SelectOption>();
        options.add(new SelectOption('--None--','--None--'));
        for(RecordType sRecordType : [SELECT Id, Name FROM RecordType WHERE sObjectType = 'Case_Associate__c'])
        {
            options.add(new SelectOption(sRecordType.Id, sRecordType.Name));
        }
        system.debug('Options | ' + options);
        return options;
    }

    //Update Record Type
    Public void updateRecordType(){
        system.debug('*******  Starting ******');
        caseSense.recordTypeId = recType;
        System.debug(' ***recordTypeId *** ' + recType + '|' +  caseSense.recordTypeId);
        system.debug('recType ***** |' + recType);
    }
    
    
}

Thanks In Advance ...

Regards,
Soundar.​
Best Answer chosen by Soundar Raj Ponpandi
Amit Chaudhary 8Amit Chaudhary 8

I will recommend you to start using trailhead to learn about test classes
1) https://trailhead.salesforce.com/modules/apex_testing

Also please check below post
1) https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_qs_test.htm
2) https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_testing_example.htm

Please check below post for Sample test class
1) http://amitsalesforce.blogspot.com/2015/06/best-practice-for-test-classes-sample.html

Sample test class to start
@isTest 
public class caseAssignmentTest 
{
	static testMethod void testMethod1() 
	{
		Case_Associate__c caseAss = new Case_Associate__c();
		caseAss.Name='Test' ;
		// Add all required field 
		insert caseAss;

		Test.StartTest(); 
		
			ApexPages.currentPage().getParameters().put('C_A_ID','ADD_VALUE_HERE');
			ApexPages.StandardController sc = new ApexPages.StandardController(caseAss);
			caseAssignment obj = new caseAssignment(sc);
			obj.test();
			List<SelectOption> lst= obj.GetRecordTypes();	
			obj.updateRecordType();
			
		Test.StopTest();
	}
}


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 .

All Answers

Soundar Raj PonpandiSoundar Raj Ponpandi
Hi ,

Finally i got a good solution by my way ...
please find the following code for reference ..

@inside of test class
ApexPages.StandardController sc = new ApexPages.StandardController(ca);
caseAssignment cas = New caseAssignment(sc);

Cheersss....

Regards,
Soundar.
Soundar Raj PonpandiSoundar Raj Ponpandi
Hi,

I am not able to cover a GetRecordTypes() method in test class ... Can anyone please admise me how can i cover this.

Regards,
Sooundar.
Amit Chaudhary 8Amit Chaudhary 8

I will recommend you to start using trailhead to learn about test classes
1) https://trailhead.salesforce.com/modules/apex_testing

Also please check below post
1) https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_qs_test.htm
2) https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_testing_example.htm

Please check below post for Sample test class
1) http://amitsalesforce.blogspot.com/2015/06/best-practice-for-test-classes-sample.html

Sample test class to start
@isTest 
public class caseAssignmentTest 
{
	static testMethod void testMethod1() 
	{
		Case_Associate__c caseAss = new Case_Associate__c();
		caseAss.Name='Test' ;
		// Add all required field 
		insert caseAss;

		Test.StartTest(); 
		
			ApexPages.currentPage().getParameters().put('C_A_ID','ADD_VALUE_HERE');
			ApexPages.StandardController sc = new ApexPages.StandardController(caseAss);
			caseAssignment obj = new caseAssignment(sc);
			obj.test();
			List<SelectOption> lst= obj.GetRecordTypes();	
			obj.updateRecordType();
			
		Test.StopTest();
	}
}


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 .
This was selected as the best answer