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Maria22Maria22 

How to cover application exception in test class

HI All,

I got stuck at one place where I am not able to cover a particular catch block consisting application exception. Currently my test class is getting pass succefully with 72% coverage but not able to cover one catch block.

Below is my class:
  
@RestResource(urlMapping='/v1/someurl/*')
global with sharing class VerifiableAPI {
    
   private static BasicRestResponse response;
    
    @HttpPost
    global static void doPost(Request request) {
        Exception ex = null;
        Savepoint sp = Database.setSavepoint();
        CareService svr = null;
        
        try {
            svr =CareService(request, CareService.APIType.VERIFIABLE);
            svr.doPost();
            
            response = new RestResponseSuccess();
        } catch (ApplicationException e) {
            if (response == null) { response = new RestResponseError(); }
            response.setError('INVALID_REQUEST', e.getMessage());
            ex = e;
            Database.rollback(sp);
        } catch (Exception e) {
            if (response == null) { response = new RestResponseError(); }
            response.setError('INTERNAL_ERROR', e.getMessage());
            ex = e;
            Database.rollback(sp);
        }
        
        if (ex != null) {
            ApplicationLog.LogMessage('Error', 'CareVerifiableAPI', 'doPost', null, null, 
                                  JSON.serialize(response), JSON.serialize(RestContext.request), ex);
        }
        
      
        
        response.publish();
    }
    
    /**
     * Request of the API Call
     */
     global class Request {
        
         global String consent;
         
        
     }
}

Below is my test class:
  
@isTest
private class VerifiableAPITest {

    static testMethod void myUnitTest() {
      ;
       
           VerifiableAPI.Request reqst=new VerifiableAPI.Request();
        	reqst.consent='consent';
      
       
            String JsonMsg=JSON.serialize(reqst);
            Test.startTest();  
  		

           RestRequest req = new RestRequest(); 
           RestResponse res = new RestResponse();
        
            req.requestURI = '/services/apexrest/v1/demo';  //Request URL
            req.httpMethod = 'POST';//HTTP Request Type
            req.requestBody = Blob.valueof(JsonMsg);
            RestContext.request = req;
            RestContext.response= res;
        
           BasicRestResponse resp= new BasicRestResponse();
            resp.setError('title', 'detail');
            resp.setData(null);
            resp.getData();
            resp.publish();
            
        VerifiableAPI.doPost(reqst);
            Test.stopTest();
        
    }

}

Below is the catch block which I am not able to cover:
  
response = new RestResponseSuccess();
        } catch (ApplicationException e) {
            if (response == null) { response = new RestResponseError(); }
            response.setError('INVALID_REQUEST', e.getMessage());
            ex = e;
            Database.rollback(sp);
}

Any help will be gra​​​​​​eatly appreciated.

Many thanks in advance
Raj VakatiRaj Vakati
Try like this .. set the wrong params and try to fail the code go to catch blokc


  
static testMethod void excepBlock() {
      
       
           VerifiableAPI.Request reqst=new VerifiableAPI.Request();
        	reqst.consent='consent';
      
       
            String JsonMsg=JSON.serialize(reqst);
            Test.startTest();  
  		

           RestRequest req = new RestRequest(); 
           RestResponse res = new RestResponse();
        
            req.requestURI = '/services/apexrest/v1/demo';  //Request URL
            req.httpMethod = NULL;//HTTP Request Type
            req.requestBody =NULL;
            RestContext.request = req;
            RestContext.response= res;
        
           BasicRestResponse resp= new BasicRestResponse();
            resp.setError('title', 'detail');
            resp.setData(null);
            resp.getData();
            resp.publish();
            
        VerifiableAPI.doPost(reqst);
            Test.stopTest();
        
    }

 
Maria22Maria22
Hi Raj,

Thanks for your response. I tried the code which you suggested still code coverage is 72% as earlier and same lines of code are uncovered.

The code which I posted was also covering the second catch block(exception e) and the one which you suggetsed also covering the same catch block(exception e).Neither your code nor my code is covering first catch block(ApplicationException e).

Complete class is getting covered except below lines of code:
  
response = new RestResponseSuccess();
        } catch (ApplicationException e) {
            if (response == null) { response = new RestResponseError(); }
            response.setError('INVALID_REQUEST', e.getMessage());
            ex = e;
            Database.rollback(sp);
}

which also results not covering more than 75% and current code coverage stands at 72%.

Any help will be greatly appreciated.

Many thanks in advance