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

Writing Apex unit tests

A test class is the only class in Apex that can have a private access modifier. It always runs when you want to deploy any Apex code to a production environment using the default tests, or when you create a managed package. Due to the fact that unit tests, in principle, are not called from outside the class, you can define your test class with the private access modifier.

A test class is always written with the @IsTest annotation. In this type of class, you are able to define regular methods and test methods. For instance, if you want to create your test data in one method and run this method in each unit test, you are able to create a regular method in your test class where you create your data. The unit tests (methods to test your implementation code) are written in test methods. You are able to define your test methods in two ways:

  • The method has the...