A Beginner’s Guide to iOS Automation Testing

By Prometteur solutions 19 Min Read

Welcome to the exciting world of iOS automation testing! 

In this beginner’s guide of iOS automation testing, we’ll explore how automation can elevate your app’s user experience. 

Get ready to save time, money, and uncover hidden defects. 

Developing an iOS app is not easy, and testing it can be a nightmare for beginners who are new to the process. The lack of knowledge and experience can lead to costly mistakes, delays, and poor user experience.

The last thing you want is for your app to fail because of testing issues. Frustrated users mean poor ratings, lost revenue, and wasted time. Your application needs to be tested extensively before the launch to avoid such problems.

Our beginner’s guide to iOS testing has got you covered. We provide step-by-step instructions on how to test your iOS app like a pro. Our guide covers everything from setting up a test environment to running automated tests on real devices.

You’ll learn how to write unit tests, functional tests, and UI tests that give you confidence in your code’s behavior. With our guide, you’ll be able to catch bugs before they become problems and create a bug-free app that delights your users!

Don’t let testing scare you off from making an amazing app. Purchase our beginner’s guide today and start testing like a pro!

What is iOS Automation Testing?

iOS automation testing follows a process of automating the testing of iOS apps using automation tools to test functionality, performance, and even the usability of an app software. For developers, automation testing offers them a lot of benefits including saving testing time and money since the process reduces human input and uses more technology for optimal results. Automation testing verifies how an app works and checks if it meets all the expectations and user requirements.

Benefits of iOS Automation Testing

Below are some of the benefits of iOS automation testing:

  1. Time and Cost Savings: Automation testing reduces the need for manual testing, saving both time and money for developers and testers.
  2. Performance Testing: Automation tests can evaluate the performance of an application, such as its responsiveness to user input and loading speed.
  3. Bug Detection: This is one of the benefits of iOS automation testing as automation tests can uncover bugs and other issues that may go unnoticed by manual testers.
  4. Meeting Customer Requirements: Automation testing ensures that an application meets the requirements and expectations of the customer.
  5. Functional Testing: Automated tests verify that an application works as intended, validating its functionality.
  6. Compatibility Testing: Automation tests check for compatibility with different versions of iOS and various devices.

In summary, iOS automation testing offers significant advantages, including time and cost savings, performance evaluation, bug detection, meeting customer requirements, functional testing, and compatibility testing. By harnessing the power of automation, developers and testers can tap from the above benefits of iOS automation testing as well as enhance the quality and reliability of their  iOS applications.

What Are the Types of iOS Automation Testing?

iOS automation testing plays a vital role in the development process of any iOS app. They offer a powerful means for developers to swiftly identify and resolve bugs, ensuring the app’s top-notch quality. Let’s delve into the two primary types of iOS automation testing:

Unit Testing:

Unit tests form the foundation of automated testing for iOS apps. They target individual app components, such as classes, methods, and functions. These tests are typically written using programming languages like Swift or Objective-C and executed on simulators or devices. Unit tests serve multiple purposes:

  • Functional Validation
  • Bug Detection
  • Early Implementation
  • Regression Testing

UI Testing:

UI testing focuses on the app’s user interface while simulating user interactions and verifying the expected behavior. 

It has the following objectives;

  • End-to-End Validation
  • User Experience Testing
  • Visual Validation

By incorporating both unit tests and UI tests into the development process, iOS developers can effectively catch and resolve bugs, leading to a more robust and reliable app.

UI Tests

As the world becomes more reliant on mobile apps, it’s important to ensure that they function seamlessly. This is where iOS automation testing comes in. While there are various types of automation testing available for iOS apps, UI tests stand out as a more advanced type of automated test.

UI tests allow developers to test the user interface and functionality of an app by simulating user interactions. With UI tests, developers can ensure that the app behaves as expected when users interact with it.

While other types of automation testing like unit tests and integration tests are also important, UI tests provide a more comprehensive way to evaluate an app’s performance. They can help identify issues that may only arise when users interact with the app in certain ways.

incorporating UI tests into the iOS automation testing process can lead to higher quality apps and better user experiences.

Designing the Interface

Designing the interface of an iOS app is a critical step in the development process. It can often make or break the success of an app. A well-designed interface can engage users and keep them coming back for more, while a poorly designed one can lead to frustration and ultimately, abandonment.

To ensure that the interface is functioning as intended, iOS automation testing is essential. There are different types of iOS automation testing available such as functional testing, UI testing, performance testing, and integration testing. These tests help to identify any bugs or issues that may arise during usage and ensure that the app runs smoothly on various devices.

By implementing these types of iOS automation testing in the development process, developers can save time and resources by catching issues early on in the development cycle. This allows for quicker turnaround times and ultimately leads to a better user experience for those using the app.

Testing the Interface

Once the design of an iOS app has been finalized, it is crucial to thoroughly test its interface to ensure a seamless user experience. This is where iOS automation testing comes in. With the help of various types of automation testing, developers can identify any issues or bugs in the interface and fix them before releasing the app to users.

There are several types of iOS automation testing that can be utilized, including functional testing, regression testing, and performance testing. Functional testing ensures that all features and functionalities of the app are working as intended, while regression testing checks for any unintended changes or impacts on existing features after new updates or changes have been made. Performance testing evaluates how well the app performs under various conditions such as heavy usage or low battery.

Thorough iOS automation testing is a critical step in ensuring that an app’s interface meets user expectations and functions seamlessly across all devices.

Writing iOS Test Cases

iOS automated testing has become a crucial step in the process as mobile app development grows more sophisticated. For many developers, writing automation testing cases for iOS apps can be a difficult effort. It can be difficult to know where to begin with the wide variety of iOS automated testing techniques and tools on the market.

The procedure can be made simpler and less daunting thanks to the many iOS automation tools available. With the use of these tools, developers can easily automate and run test cases across a variety of platforms and devices.

Creating Test Plans

Creating effective test plans is a crucial part of writing iOS automation testing cases. It involves identifying potential issues or bugs in the app and devising a plan to test them thoroughly. Without proper planning, it can be challenging to ensure that all aspects of the app are tested adequately.

Fortunately, there are several iOS automation tools available that can help in creating effective test plans. These tools not only simplify the process but also provide accurate results, allowing developers to identify and fix issues quickly.

Writing Test Scripts

Creating a test plan is just the first step towards ensuring that your iOS application is functioning as intended. The next crucial step is to write the actual test scripts that will be used to execute the tests. This process can be time-consuming and complex, especially if you are not familiar with iOS automation testing.

Fortunately, there are several iOS automation tools available that can simplify this process and help you write efficient and effective test scripts. These tools provide a range of features, such as record and playback functionality, object recognition, and script customization options.

By using these tools, you can save significant amounts of time and effort while ensuring that your tests are accurate and comprehensive. Whether you’re testing a simple app or a complex enterprise-level application, these iOS automation tools can help streamline your testing process and improve overall software quality.

Making use of XCTest For iOS testing

With the popularity of mobile applications, testing has become an integral element of software development, and iOS automated testing is now more critical than ever. A strong tool for testing apps is offered to developers by the iOS test automation framework XCTest.

XCTest makes it simple for developers to create iOS test automation for their iOS applications. With the help of this framework, developers can easily perform tests on simulators or actual devices, catching flaws before they enter the production environment.

Advantages of Using XCTest

The value of iOS automation testing cannot be emphasised as the field of mobile app development continues to advance. A robust and well-liked iOS test automation framework, XCTest has proven to be a priceless resource for developers. It is a top option for iOS app testing due to its simplicity of use and wide variety of capabilities.

Developers can simply write, execute, and analyse test results with the help of XCTest thanks to its user-friendly interface. Developers can run a variety of tests, including unit tests, performance tests, and UI tests, thanks to its extensive collection of tools.

Furthermore, developers may easily incorporate automated testing into their workflow because XCTest works invisibly with Xcode and other well-known development tools. XCTest is a fantastic option that may assist you in achieving your objectives fast and effectively, whether you are just getting started with mobile app development or are an experienced expert trying to expedite your testing process.

Examples of Using XCTest

XCTest is a useful tool supplied by Apple to aid with the unit testing process. The XCTest framework is used to construct a new Xcode project that has 3  important components;

Every test has its own target

There is a group for each test class

An example of a test

The XCTest tool works in some amaxing ways to help developers create high-quality applications. So, for example, developers can use XCTest to create unit tests that test individual components of their application in isolation. This can help developers identify bugs and other issues early on in the development process, which can save them time and money in the long run. 

Additionally, developers can use XCTest to create UI tests that test the user interface of their application. This can help ensure that the user experience is consistent across different devices and platforms. Finally, developers can use XCTest to create performance tests that measure the performance of their application in various scenarios. This can help them identify any potential bottlenecks or areas where their application could be improved.

Create Your First IOS Unit Test.

Creating your first iOS Unit Test can be some difficult task, especially if you are not so soaked into to the world of software development. But with the right tools and knowledge it can be a relatively straightforward process. 

Setting Up the Environment

The first step in creating an iOS Unit Test is to set up the environment. This includes installing the necessary tools and libraries, configuring the project settings, and creating the test target. To install the necessary tools and libraries, you will need to download Xcode from the App Store. Once Xcode is installed, you will need to configure the project settings to enable unit testing. This includes setting up the test target, which is a special type of target that allows you to run unit tests.

Writing the Test Code

When it comes to creating an iOS Unit Test, the second step is all about getting your hands dirty and writing the actual test code. This step is crucial as it allows you to ensure that the functionality of your app is working as intended. However, it’s important to approach this task with a few key considerations in mind.

First and foremost, you want your test code to be readable and understandable. It should be clear what each test is meant to accomplish and what specific functionality it is targeting. 

Another important aspect to consider is the maintainability and debuggability of your test code. Writing code that is easy to debug can save you a lot of time and frustration in the long run. Make sure to include helpful comments, use meaningful error messages, and structure your code in a way that allows for easy troubleshooting. 

To ensure the effectiveness of your test code, it’s essential to use assertions and other testing techniques. Assertions allow you to check if a particular condition holds true at a given point in your code. By including assertions in your test code, you can verify that the expected results are being produced. 

Creating an iOS Unit Test may seem challenging at first, but with the right tools and knowledge, it becomes more manageable. The process generally involves two main steps: setting up the environment and writing the test code.


What are the Best IOS Automated Testing frameworks? 

Top iOS Automated Testing Frameworks with Code Exemplification 




How Do I Test Using Xcode?

Create your first UI test. Open the test navigator in Xcode’s navigator window. Then, in the lower left corner, click the Add button and choose ‘New UI Test target’. The default numbers are probably accurate, but if your project has many targets, make sure you’re adding tests to the proper one.

Is Testing Automation Difficult?

When you first start out, automated testing may seem overwhelming, but all it takes is time and patience to master the skill. Also, no matter how excellent an automation engineer you are, there is always more to learn, so be assured that even professionals don’t know it all.

How to perform UI testing using Xcode?

  • Initialise test classes.
  • Write Individual test functions.
  • Select and work with app components.
  • Take device and application screenshots.
  • Asserting expected behaviour.
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