Slaesforce FAQ

how to create mock class in salesforce

by Marina Bahringer Published 2 years ago Updated 2 years ago
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Create an HTTPCalloutMock Class.

  • Click and select Developer Console.
  • Select File > New > Apex Class.
  • Name the class HTTPMockFactory and replace the default contents with the following code.
  • Click File > Save.

Full Answer

How do I create a mock in Salesforce apex?

Select File > New > Apex Class. Name the class HTTPMockFactory and replace the default contents with the following code. Click File > Save. This class’s constructor accepts parameters that the respond method passes back. Like our testFactory for data, this factory allows us to define the mock on the fly, as part of our test.

How can I call a mock class in Test class in Salesforce?

How can I call a mock class in test class in salesforce? If you have specified the values of the fake response, instruct the Apex runtime to send this fake response by calling Test.setMock in your test method.

What are the best mockup tools available in Salesforce?

There are many mockup tools available in the market and one of such tool is called Sketch (available only on Mac). One of the benefits of using Sketch is that Salesforce provides a Lightning Design System plugin for Sketch so that you don’t have to design the screens from scratch.

What is a mock Test class?

Here is perhaps the simplest form of a mock that deals with multiple requests. It is declared as an inner class of the test class so the idea is that it handles all the cases that the outer test class handles.

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What is mocking in Salesforce?

Mock objects work on the object level. Stubs replace individual methods. On the Lightning Platform, developers write mocks and stubs by extending platform interfaces. For example, to create an HTTP response mock, you create a class that extends the HTTPMock interface.

What is HttpCalloutMock in Salesforce?

HttpCalloutMock Methods The following are methods for HttpCalloutMock . respond(request) Returns an HTTP response for the given request. The implementation of this method is called by the Apex runtime to send a fake response when an HTTP callout is made after Test. setMock has been called.

How do you mock in Apex?

11:3340:40Mocking Apex Tests - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd how we can replace the real instance by the mock instance salesforce provides an api called stubMoreAnd how we can replace the real instance by the mock instance salesforce provides an api called stub api that allow us to create mock object instance from classes.

How do I test a callout in Salesforce?

To test your callouts, use mock callouts by either implementing an interface or using static resources. In this example, we use static resources and a mock interface later on. The static resource contains the response body to return. Again, when using a mock callout, the request isn't sent to the endpoint.

What is the use of HttpCalloutMock class?

This utility class can be used to test both binary and String responses (depending on which constructor you use to instantiate the class) and also lets you specify the HTTP code and status for the fake response. You can optionally also specify HTTP headers to be included in the fake response.

What is Webservicemock in Salesforce?

Enables sending fake responses when testing Web service callouts of a class auto-generated from a WSDL.

How do I create a mock data in Salesforce?

Seed Your Salesforce Org with Mock DataA handful of the 142 types of data Mockaroo can generate.Generating basic Account data.Generate Opportunity Data.Mapping the mock data fields to the Account Object.Copy the Account IDs to your Opportunity mock data.Mapping data fields from mock data to the Opportunity object.More items...•

What is stub and mock?

Stub: a dummy piece of code that lets the test run, but you don't care what happens to it. Mock: a dummy piece of code, that you VERIFY is called correctly as part of the test.

How do I create a test data in Salesforce?

You can create and insert the necessary records.Click. ... Select File > New > Apex Class.Name the class DataGeneration_Tests .Replace the contents of the class with the following code. ... Click File > Save, then Test > New Run.Select DataGeneration_Tests, then select testBruteForceAccountCreation.Click Run.

How do I call REST API from Salesforce?

Use REST APILog in to the Postman app and navigate to the REST folder in the Salesforce API Collection.Use the GET SObject Describe resource.Create an account using REST API.Execute a query using REST API.

How do you test an Apex class?

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. ... To run this test and view code coverage information, switch to the Developer Console.In the Developer Console, click Test | New Run.More items...

How do I write a test class for integration in Salesforce?

2:3317:36Salesforce Integration Tutorial Part 9 | Test class for Apex REST CalloutYouTubeStart of suggested clipEnd of suggested clipJust just make sure that you have used it is test uh annotation in your mock. Class. And you areMoreJust just make sure that you have used it is test uh annotation in your mock. Class. And you are implementing the http call out mock interface. So this is the interface that is uh given by salesforce.

What is mock object?

Often collectively referred to as mock objects, they serve the same purpose: they are fake objects that stand in for real instances of objects. Because they’re fake, we can override their functionality and return the data of our choosing. Technically, a mock and a stub object are slightly different. Mock objects work on the object level.

Why are mocks and stubs useful?

Mocks and stubs are more advanced topics in the realm of unit testing. However, they’re incredibly useful for making tests easier to write, understand, and maintain. They also insulate the code you’re testing from changes to other parts of your code base. Check out this video for an introduction to mocks and stubs.

Introduction

External objects are great for viewing data within Salesforce without needing to utilize storage limits. On a recent project, I had to access external objects via Apex classes to display information within Lightning Web Components when writing test classes I found this to be more challenging than those based on custom objects.

What are external objects?

External objects are similar to custom objects, but external object record data is stored outside your Salesforce organization; Salesforce Connect is the magic that drives this functionality. For example, perhaps you have data that’s stored on-premises in an enterprise resource planning (ERP) system.

Business Scenario

In the particular scenario for a client, an external system was used to manage and track Orders. The client wanted to be able to see these Orders within Salesforce so that Service reps could have a 360-degree view of the customer to enable them to communicate with their customers effectively and quickly using Salesforce’s Service Cloud.

Building Test Classes for Apex Based on External Objects

When using external objects, you don’t need to write test classes for them unless you are referencing them in apex classes.

How can you mock an external object?

You can mock an external object by using a virtual class and making some amendments to your main code. There are 5 parts to this:

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Yogesh

If you have specified the values of the fake response, instruct the Apex runtime to send this fake response by calling Test.setMock in your test method. For the first argument, pass HttpCalloutMock.class, and for the second argument, pass a new instance of your interface implementation of HttpCalloutMock, as follows:

Saddam

Testing HTTP Callouts by Implementing the HttpCalloutMock Interface Provide an implementation for the HttpCalloutMock interface to specify the response sent in the respond method, which the Apex runtime calls to send a response for a callout.

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Learning Objectives

The Pattern

Mock Object Pattern

  • Here’s the pattern for HttpCalloutMock. 1. Create a class that implements the HttpCalloutMock interface. For example, MyCalloutMock. 2. Create or load your test data. 3. Create an instance of MyCalloutMock. For example, MyCalloutMock mockInstance = new MyCalloutMock(). 4. Call Test.setMock(mockInstance), passing in your mock object instance that you created in the previ…
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Stub Object Pattern

  • When you’re using stub objects, the pattern is similar. 1. Create or load your test data. 2. Create an instance of a class that implements the StubProvider interface. 3. Call Test.startTest(); 4. Call the code you want to test, passing in your stub instance. 5. Call Test.stopTest(); 6. Make assertions to ensure your code functions as expected.
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Create An Httpcalloutmock Class

  • Let’s look at creating a new HTTPCalloutMock class and using it in a test context. 1. Click and select Developer Console. 2. Select File > New > Apex Class. 3. Name the class HTTPMockFactory and replace the default contents with the following code.@isTestpublic class HTTPMockFactory implements HttpCalloutMock { protected Integer code; protected Str...
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The Test

  • In the package you installed in unit 1 of this module is a class called ExternalSearch.apxc. It accepts a search string and executes a web search of it for you. Let's write a unit test for it with our mock factory. 1. Click and select Developer Console. 2. Select File > New > Apex Class. 3. Name the class ExternalSearch_Tests. 4. Replace its contents with the following code.@isTestp…
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Stubbing

  • Stubbing is similar to mocking, but it’s more flexible. 1. Click and select Developer Console. 2. Select File > Open 3. Select the class OpportunityDiscount. The getTotalDiscount() method determines the total discount for an opportunity based on whether the account is high priority. Because the implementation of isHighPriority() may change over time, we don’t want to be depe…
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Conclusion

  • This module is jam-packed with information. We’ve covered why we test, positive and negative testing, permissions testing, mocking and stubbing, and testing Lightning components. Together, these patterns and tools establish tests that are a productive part of the code base. They also can help you become a better developer, since writing tests starts to shape how you write your code…
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Introduction

What Are External objects?

Business Scenario

Building Test Classes For Apex Based on External Objects

How Can You Mock An External object?

  • You can mock an external object by using a virtual class and making some amendments to your main code. There are 5 parts to this: · The Object Manager · The virtual class (the mock interface) · The mock interface override class · Calling the overridden mock interface and setting the mock using the Object Manager from within your test method · Calli...
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