Book Image

Salesforce Platform Developer I Certification Guide

By : Jan Vandevelde, Gunther Roskams
Book Image

Salesforce Platform Developer I Certification Guide

By: Jan Vandevelde, Gunther Roskams

Overview of this book

Salesforce Lightning Platform, used to build enterprise apps, is being increasingly adopted by admins, business analysts, consultants, architects, and especially developers. With this Salesforce certification, you'll be able to enhance your development skills and become a valuable member of your organization. This certification guide is designed to be completely aligned with the official exam study guide for the latest Salesforce Certified Platform Developer I release and includes updates from Spring '19. Starting with Salesforce fundamentals and performing data modeling and management, you’ll progress to automating logic and processes and working on user interfaces with Salesforce components. Finally, you'll learn how to work with testing frameworks, perform debugging, and deploy metadata, and get to grips with useful tips and tricks. Each chapter concludes with sample questions that are commonly found in the exam, and the book wraps up with mock tests to help you prepare for the DEV501 certification exam. By the end of the book, you’ll be ready to take the exam and earn your Salesforce Certified Platform Developer I certification.
Table of Contents (15 chapters)
Free Chapter
Section 1: Fundamentals, Data Modeling, and Management
Section 2: Logic, Process Automation, and the User Interface
Section 3: Testing, Debugging, and Exercise
Mock Tests

Invoking Apex to execute anonymously versus unit tests

So far, you've learned the basics about testing your Apex code and how you need to test an external call to a web service. You also learned that testing must use test data (and not real data) and that the data in these test scenarios isn't really submitted to your real database. After the execution of your test scenario, the data that's created for your test will be removed from memory. But what if you want to test and add data to your database? You have the Execute Anonymous Window for this. Hopefully, you remember this functionality from when we started with Apex in Chapter 4, Apex Basics. We used this functionality to write our first piece of code.

With this functionality, we can invoke classes and methods that are declared as a public or global class. The same is possible in a unit test, but the data isn...