What is an apex test?
Apex provides a testing framework that allows you to write unit tests, run your tests, check test results, and have code coverage results. Let’s talk about unit tests, data visibility for tests, and the tools that are available on the Lightning platform for testing Apex.
How do I write a test class for Apex controller in Salesforce?
From Setup, enter Apex Classes in the Quick Find box, then select Apex Classes and click New. In the class editor, add this test class definition, and then click Save. This class is defined using the @isTest annotation.
What is controller in Apex?
A custom controller is an Apex class that implements all of the logic for a page without leveraging a standard controller. Use custom controllers when you want your Visualforce page to run entirely in system mode, which does not enforce the permissions and field-level security of the current user.
What is apex and VF?
Apex and Visual Force. Visualforce is a component-based user interface (UI) framework that allows the development of strong and reusable interfaces. Apex is a platform for developing software as a service (SaaS) applications based on the CRM functionality of Salesforce.
Are apex tests visible?
Use the TestVisible annotation to allow test methods to access private or protected members of another class outside the test class. These members include methods, member variables, and inner classes. This annotation enables a more permissive access level for running tests only.
How do you write test cases in Apex?
Important considerations:
- Use the @isTest annotation.
- The test class starts its execution from the “testMethod”.
- Cover as many lines as possible.
- At least 75% of your Apex code must be covered by unit tests, and all of those tests must complete successfully.
- Use System.
- Set up test data:
What is Apex class in Salesforce?
Introduction. Apex is a strongly typed, object-oriented programming language that allows developers to execute flow and transaction control statements on the Salesforce platform. If you’re used to Java or . NET development, you’ll find the programming in Apex fairly straightforward.
What is difference between standard controller and custom controller?
The standard controller is auto geenrated by SF for all objects. Custom controllers are written by you and do what your code tells them to do.
How do I make my own controller?
To create Custom controller navigate to Setup | Build | develop | Apex Classes | New. Click on Version settings before creating Custom controller in Salesforce. This version settings specify version of Apex and the API used. Now click on Apex class editor to write Apex class for Custom controller in Salesforce.
What is Apex coding?
Apex is a strongly typed, object-oriented programming language that allows developers to execute flow and transaction control statements on the Lightning platform server in conjunction with calls to the Lightning Platform​ API. Apex code can be initiated by Web service requests and from triggers on objects.
What is a LWC?
Lightning Web Components (LWC) is a stack of modern lightweight frameworks built on the latest web standards. It is a DOM (Document Object Model), element created through reusable code and is used to generate a dynamic interface without using JavaScript or building a Library.
How do you test private methods in Apex?
When to use controller extension in apex test?
When writing unit tests for controller extension and custom controller classes, you can set query parameters that can then be used in the tests. A controller extension is an Apex class that extends the functionality of a standard or custom controller.
Why do you need to test Visualforce custom controller?
Testing Visualforce custom controller is required because custom controllers like all Apex codes, should be covered by unit tests. A custom controller is an Apex class that implements all of the logic for a page without leveraging a standard controller.
How to create apex Test class for VF pages?
The class constructor takes a single argument of type ApexPages.StandardController or C ustomControllerName, where CustomControllerName is the name of a custom controller you want to extend. Controller extensions like all Apex codes should be covered by unit tests.
What is the difference between apex and Visualforce?
Visualforce is a component-based user interface (UI) framework that allows the development of strong and reusable interfaces. Apex is a platform for developing software as a service (SaaS) applications based on the CRM functionality of Salesforce.