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I have written a trigger class on content document link to create a task whenever a community user creates a task on a case. Currently, the trigger works perfectly when attaching a case through the UI, but I cannot seem to get a unit test written that will work.

What I am trying to do is insert a contentdocumentLink in the unit test relating to the user, as the trigger is expecting a contentdocumentlink whose linked entity ID is a user to check the profile to see if it is a portal user or not. However, despite setting up the ContentDocumentLink as similarly to the one created when doing a UI insert as I can, I am getting an insufficient cross reference ID error on insert.

Here is the test class-

@isTest public class LinkTest {

public static testMethod void test1(){

    Case c = new Case();
    insert c;

    Account testAccount = new Account();
    Contact testContact = new Contact();

    // ACCOUNT 

    testAccount.name = 'PUCO Community upload';
    insert testAccount;

    // CONTACT 
    testContact.firstName = 'First';
    testContact.lastName = 'Last';
    testContact.Email = 'standarduser@testorg123456.com';
    testContact.AccountId = testAccount.id;
    testContact.MailingStreet = 'Street 1';
    testContact.MailingCity = 'Columbus';
    testContact.MailingState = 'Ohio';
    testContact.MailingPostalCode = '43215';
    testContact.Phone = '999-999-9999';
    insert testContact;

    Id pid = [select id from profile where name ='Community Plus Login User'].id;

    User testUser = new User(ContactId = testContact.id, Alias = 'COMM', Email='standarduser@testorg.com', 
        EmailEncodingKey='UTF-8', LastName='kkTesting', LanguageLocaleKey='en_US', 
        LocaleSidKey='en_US', ProfileId =pid,TimeZoneSidKey='America/Los_Angeles', UserName='standarduser@testorg123456.com');
    insert testUser;


    ContentVersion cv=new Contentversion();
    cv.title='ABC';
    cv.PathOnClient ='test';
    Blob b=Blob.valueOf('Unit Test Attachment Body');
    cv.versiondata=EncodingUtil.base64Decode('Unit Test Attachment Body');
    cv.FirstPublishLocationId =  c.Id; 
    insert cv;

    List<ContentDocument> insertedDoc = [SELECT Id, Title, LatestPublishedVersionId FROM ContentDocument];

    System.debug('insertedDoc = ' + insertedDoc);

    ContentDocumentLink l1 = new ContentDocumentLink();
    l1.ContentDocumentId = [SELECT ContentDocumentId FROM ContentVersion WHERE Id =:cv.Id].ContentDocumentId;
    l1.LinkedEntityId = testUser.id;
    l1.ShareType = 'V';
    System.debug('linkedId = ' + l1.LinkedEntityId);
    insert l1;



}

}

The failure is on insert on line holding insert l1, and is outputting INSUFFICIENT_ACCESS_ON_CROSS_REFERENCE_ENTITY, You do not have the level of access necessary to perform the operation you requested. Please contact the owner of the record or your administrator if access is necessary.: [LinkedEntityId]

Any idea what I may be doing wrong or another way to simulate this file upload for testing purposes?

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  • Have you tried doing this in a System.runAs block as the test user? – Charles T Nov 28 '19 at 0:51
  • I was writing answer a while ago that did that... but I tried it out on my system and it seems it's still not working. Perhaps using the connect api is the answer? – Caspar Harmer Nov 28 '19 at 5:27
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    I think the answer is: You don't need to. When you insert the original file, you get two CDL records created - one linking the file to the case and one linking the user to the file. Ie:[ { "ContentDocumentId": "0691D000000SeGZQA0", "LinkedEntityId": "005d0000001TbiAAAS", "ShareType": "I", "Visibility": "AllUsers", "Id": "06A1D0000011VcuUAE" }, { "ContentDocumentId": "0691D000000SeGZQA0", "LinkedEntityId": "5001D000003Ogb8QAC", "ShareType": "V", "Visibility": "InternalUsers", "Id": "06A1D0000011VcvUAE" } ]. So it's already done! – Caspar Harmer Nov 28 '19 at 6:48
  • @CasparHarmer you seem to be correct that the links are already creating on insertion of the contentversion, so creating them does seem to be unnecessary. Unfortunately, when I attempt to do a system run as with the test user, I get a new error stating that they do not have access rights on the NetworkId field. Certainly progress but a new hurdle to clear here. Thanks for your help in getting this moving in the right direction. – Frank Evers Nov 29 '19 at 16:15
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The possible reasons are:-

  • Internal Users will not be able to share files with community Users if the files are attached to the 'Files' related list. Since, you have related the file to a Case record, It goes and sit in case record file related list. As a workaround, Use Chatter Publisher to share files with Community Users. Read more here:- Share object files with community Users

To resolve your issue, In your apex code, You can insert a record feed with file to share it with the community user.

Note: By default, files uploaded by Internal Users are only visible internally while files uploaded by community Users are visible to 'All with access'.

Also read this:- Community User cannot view 'Files' migrated from 'Attachments'

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