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Abhilash DaslalAbhilash Daslal 

Need help testing the below code

Hi People,
I have written the folloing VF page usin custom controller and a test class. I am getting the following error. Plase help me solve this error

12:05:46:160 FATAL_ERROR System.DmlException: Insert failed. First exception on row 0; first error: REQUIRED_FIELD_MISSING, Required fields are missing: [LastName]: [LastName]
VF Page: showContacts

<apex:page controller="showContactsController" tabstyle="Account">
  <apex:pageBlock title="Recent Contacts">
  <apex:pageblockTable value="{!conList}" var="con">
  <apex:column >
  <apex:facet name="header">Salesforce Id</apex:facet>
  <apex:outputText value="{!con.id}"/>
  </apex:column>
  <apex:column >
  <apex:facet name="header">Name</apex:facet>
  <apex:outputText value="{!con.NAme}"/>
  </apex:column>
  </apex:pageblockTable>>
  </apex:pageBlock>
  
  <apex:form >
  <apex:pageBlock title="Redirect">
  <apex:commandButton value="Go To My Custom Page" action="{!doSubmit}"/>
  </apex:pageBlock>
  </apex:form>
  
  <apex:form >
  <apex:pageBlock title="Contact Form">
  FIRST NAME:<apex:inputText value="{!con.FirstName}"/><br/><br/>
  LAST NAME: <apex:inputText value="{!con.LastName}"/>
  </apex:pageBlock>
  <apex:commandButton value="Save" action="{!save}"/>
  </apex:form>
</apex:page>

Controller:  showContactsController

public with sharing class showContactsController {
    public List<Contact> conList{get;set;}
    public Contact con{get;set;}
    public showContactsController(){
        con = new  Contact();
        conList = [Select id,LastName,Name,Phone from Contact LIMIT 10];
    }
    
    public pagereference doSubmit(){
    pagereference pageRef = new pagereference('/apex/PaginationRecords');
    pageRef.setRedirect(true);
    return pageRef;
    }
    
    public pagereference save(){
        if(!String.isBlank(con.LastName))
            System.debug('LastName------------>'+con.LastName);
    insert con;
        System.debug('Contact id---------->'+con.id);
    return new pagereference('/'+con.id);
    }
}

Test Class for Controller: 
@isTest
public class showContactsController_Test {

    public static testMethod void controllerTest(){
        Account acc = new Account(Name='Test');
        insert acc;
        
        Contact con = new Contact(LastName='Test12',Phone='852149633',AccountId=acc.Id);
        insert con;
        
        Pagereference pageRef = Page.showContacts;
        pageRef.getParameters().put('LastName','Test123');
        pageRef.getParameters().put('id',con.id);
        Test.setCurrentPage(pageRef);
        
        Test.startTest();
        showContactsController controller = new showContactsController();
        PageReference pr1 = controller.doSubmit();
        Pagereference pr2 = controller.save();
        Test.stopTest();
        System.assertEquals(pr2.getUrl(),'/'+con.Id);
    }
}
 
Dushyant SonwarDushyant Sonwar
Hey Abhilash ,

Either change in the save method like below  
public pagereference save(){
        if(!String.isBlank(con.LastName)){
            System.debug('LastName------------>'+con.LastName);
             insert con;
            System.debug('Contact id---------->'+con.id);
        }
    return new pagereference('/'+con.id);
}

Note : Use curly braces in if statement as good practice
https://softwareengineering.stackexchange.com/questions/16528/single-statement-if-block-braces-or-no

or if you don't want to change in your main class then try using the below
  
@isTest
public class showContactsController_Test {

    public static testMethod void controllerTest(){
        Account acc = new Account(Name='Test');
        insert acc;
        
        Contact con = new Contact(LastName='Test12',Phone='852149633',AccountId=acc.Id);
        insert con;
        
        Pagereference pageRef = Page.showContacts;
        pageRef.getParameters().put('LastName','Test123');
        pageRef.getParameters().put('id',con.id);
        Test.setCurrentPage(pageRef);
        
        Test.startTest();
        showContactsController controller = new showContactsController();
        PageReference pr1 = controller.doSubmit(); 	
		controller.con.LastName = 'TestLName';
        Pagereference pr2 = controller.save();
        Test.stopTest();
        System.assertEquals(pr2.getUrl(),'/'+con.Id);
    }
}

 
@anilbathula@@anilbathula@
Hi  Abhilash Daslal,


Your code is correct just remove/comment this line " System.debug('LastName------------>'+con.LastName);" in your class and run the test class.
Hope it works and give maximum code coverage.

Thanks
Anil.B
Raju yadavRaju yadav
Hi Abhilash Daslal,
Please change the test as below it will work perfectly 
@isTest
public class showContactsController_Test {

    public static testMethod void controllerTest(){
        Account acc = new Account(Name='Test');
        insert acc;
        
        Contact con = new Contact(LastName='Test12',Phone='852149633',AccountId=acc.Id);
        insert con;
        
        Contact con2 = new Contact(LastName='Test12',Phone='852149633',AccountId=acc.Id);
        //insert con;
        
        Pagereference pageRef = Page.showContacts;
        pageRef.getParameters().put('LastName','Test123');
        pageRef.getParameters().put('id',con.id);
        Test.setCurrentPage(pageRef);
        
        Test.startTest();
        showContactsController controller = new showContactsController();
        controller.con = con2;
        PageReference pr1 = controller.doSubmit();
        Pagereference pr2 = controller.save();
        Test.stopTest();
        System.assertEquals(pr2.getUrl(),'/'+controller.con.Id);
    }
}

if this help you please mark as answer.
Thanks