My_Test_Repo/force-app/main/default/classes/TestController.cls

@isTest
public class TestController {
    @IsTest
    static void TestControllerMethod() {
        Contact con = new Contact();
        con.LastName = 'LastName';
        insert con;
        
        ContentVersion testContent = new ContentVersion();
        testContent.Title = 'Profilejiou';
        testContent.PathOnClient = 'version.jpg';
        testContent.VersionData = Blob.valueOf('Profilejiou');
        insert testContent;
        
        Id contentDocumentId = [SELECT ContentDocumentId FROM ContentVersion WHERE Id = :testContent.Id].ContentDocumentId;
        
        ContentDocumentLink cdl = new ContentDocumentLink();
        cdl.ContentDocumentId = contentDocumentId;
        cdl.LinkedEntityId = con.Id;
        insert cdl;
        
        List<ContentDocument>dc=[SELECT Id FROM ContentDocument WHERE Id=:contentDocumentId];
        
        
        ContentDistribution link12 = new ContentDistribution();
        link12.Name='hiiii';
        link12.ContentVersionId =testContent.Id ;
        insert link12;
        // ContentDistribution cds = [SELECT DistributionPublicUrl FROM ContentDistribution WHERE Id=:link12.Id];
        
        List<Contact>conlist=[SELECT Id,LastName,Image_url__c,Description FROM Contact WHERE Id =:con.Id];
        
        List<Contact> updatec = new List<Contact>();
        for (Contact contact : conlist) {
            contact.Description = 'attachment inserted ftw';
            //contact.PublicUrlOfAttachment__c=cds.DistributionPublicUrl;
            if(testContent.Title.containsIgnoreCase('Profile')) {
                contact.Image_url__c='https://suprnova-dev-ed.develop.file.force.com/sfc/servlet.shepherd/version/renditionDownload?rendition=ORIGINAL_Jpg&versionId='+testContent.Id+'&operationContext=CHATTER&contentId='+testContent.ContentBodyId;
            }
            else{
                contact.Image_url__c='No profile';
            }
            
            
            updatec.add(contact);
            
        }
        update updatec;
        
        
        Test.startTest();
        // Call the method to be tested from the Controller class
        Controller.checkDoc(contentDocumentId, 'Profilejiou');
        Test.stopTest();
        
        
    }
    @IsTest static void TestControllerMethod2() {
        Contact con = new Contact();
        con.LastName = 'LastName';
        insert con;
        
        ContentVersion testContent = new ContentVersion();
        testContent.Title = 'Profilejiou';
        testContent.PathOnClient = 'version.jpg';
        testContent.VersionData = Blob.valueOf('Profilejiou');
        insert testContent;
        
        ContentVersion testContent2 = new ContentVersion();
        testContent2.Title = 'Profilejiou12';
        testContent2.PathOnClient = 'version2.jpg';
        testContent2.VersionData = Blob.valueOf('Profilejiou12');
        insert testContent2;
        
        Id contentDocumentId = [SELECT ContentDocumentId FROM ContentVersion WHERE Id  = :testContent.Id].ContentDocumentId;
        
        
        ContentDocumentLink cdl = new ContentDocumentLink();
        cdl.ContentDocumentId = contentDocumentId;
        cdl.LinkedEntityId = con.Id;
        insert cdl;
        
        List<ContentDocument>dc=[SELECT Id FROM ContentDocument WHERE Id=:contentDocumentId];
     
        ContentDistribution link12 = new ContentDistribution();
        link12.Name='hiiii';
        link12.ContentVersionId =testContent.Id ;
        insert link12;
        // ContentDistribution cds = [SELECT DistributionPublicUrl FROM ContentDistribution WHERE Id=:link12.Id];
        
        List<Contact>conlist=[SELECT Id,LastName,Profile_Image__c,Image_url__c,Description FROM Contact WHERE Id =:con.Id];
        
        List<Contact> updateagain = new List<Contact>();
        for (Contact contact : conlist) {
            contact.Description = 'attachment inserted ftw';
            //contact.PublicUrlOfAttachment__c=cds.DistributionPublicUrl;
            if(testContent.Title.containsIgnoreCase('Profile')) {
                contact.Image_url__c='https://suprnova-dev-ed.develop.file.force.com/sfc/servlet.shepherd/version/renditionDownload?rendition=ORIGINAL_Jpg&versionId='+testContent.Id+'&operationContext=CHATTER&contentId='+testContent.ContentBodyId;
            }
            else{
                contact.Image_url__c='No profile';
            }
            
            updateagain.add(contact);
        }
        update updateagain;
                
        Test.startTest();
        // Call the method to be tested from the Controller class
        Controller.deletemethod(dc);
        Test.stopTest();     
    }
    
}