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Jonathan Wong

Tests give you the confidence you need when shipping that next great feature to production. In this course, you'll learn the fundamentals of testing effectively in iOS.

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Tests give you the confidence you need when shipping that next great feature to production. In this course, you'll learn the fundamentals of testing effectively in iOS.

Code is constantly changing, features are continuously being added, and bugs are being filed. Tests allow you to be productive and ensure your application is reliable, that you can refactor your codebase with confidence, and that you really squashed that bug. In this course, Testing Fundamentals in iOS, you’ll learn the basics of how to effectively test in iOS. First, you'll explore how to set up test targets. Next, you'll learn how to write unit tests, integration tests, and UI tests. Finally, you'll delve into mocking and testing asynchronous code. By the end of this course, you’ll know the best practices in writing testable code, how to gather code coverage, and how to randomize and parallelize your tests in practice.

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What's inside

Syllabus

Course Overview
Setting up Unit Tests in Your Project
Making Your Code Testable
Asynchronous Testing
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Mocking Your Tests
Code Coverage and Performance Tests
UI Tests
Testing Your View Controllers

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Examines software principles and best practices, which are standard in the industry
Develops foundational skills in unit, integration, and UI testing, which are core skills for iOS developers
Taught by Jonathan Wong, who is recognized for their iOS development work
Offers hands-on practice through labs and interactive materials
Builds a strong foundation for beginners in iOS testing
Explores advanced topics like mocking and asynchronous testing, which are essential for professional iOS developers

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Testing Fundamentals in iOS with these activities:
Review iOS Unit Testing Documentation
Engaging with iOS unit testing documentation can enhance your knowledge and refresh your understanding of the concepts.
Show steps
  • Access and read the official Apple documentation on iOS unit testing.
  • Explore community forums and blogs for additional insights and best practices.
Practice Writing Unit Tests for Existing Code
Enhance your hands-on skills by writing unit tests for an existing iOS project to improve your understanding.
Show steps
  • Select an open-source iOS project with tests already implemented.
  • Review the codebase and write additional unit tests for various functions and components.
  • Execute the unit tests and debug any issues encountered.
Organize Course Materials and Notes
Properly organizing course materials can enhance your learning experience by providing a structured approach to reviewing critical information.
Show steps
  • Review and categorize course notes, assignments, and quizzes.
  • Create a central repository or notebook to store all materials.
  • Use tools like mind maps or flashcards to summarize and reinforce key concepts.
Six other activities
Expand to see all activities and additional details
Show all nine activities
Explore Unit Test Examples
Review example tutorials on unit testing to familiarize yourself with the concepts.
Show steps
  • Find online resources or tutorials on unit testing in iOS.
  • Read through the examples and explanations provided in the tutorials.
  • Try implementing some of the unit test examples in your own codebase.
Unit Testing Practice Exercises
Engage in practice exercises to strengthen your understanding of unit testing concepts.
Show steps
  • Set up a small testing project in your preferred iOS development environment.
  • Write unit tests for various functionalities in your project.
  • Review the test results and identify any issues or areas for improvement.
Build a Small iOS App with Unit Tests
Develop a small iOS application that incorporates unit testing to enhance your understanding of practical implementation.
Show steps
  • Plan and design the functionality of your iOS app.
  • Implement the app's features and incorporate unit tests for each component.
  • Run the unit tests and debug any errors that arise.
  • Deploy the app to a device or simulator for testing.
Attend an iOS Unit Testing Workshop
Participate in a workshop or seminar specifically tailored to iOS unit testing to engage with experts and enhance your skills.
Show steps
  • Locate and register for an iOS unit testing workshop or seminar.
  • Attend the workshop and actively participate in discussions and exercises.
  • Take notes and ask questions to maximize your learning experience.
Participate in an iOS Unit Testing Challenge
Engage in an iOS unit testing challenge or competition to test your abilities and learn from others.
Show steps
  • Find and register for an iOS unit testing challenge or competition.
  • Prepare for the challenge by practicing and refining your unit testing skills.
  • Participate in the challenge and submit your unit tests for evaluation.
  • Review the results and identify areas for improvement.
Write a Blog Post on Unit Testing Best Practices
Compose a comprehensive blog post that shares your knowledge and insights on best practices in unit testing for iOS.
Show steps
  • Gather information and research best practices for unit testing in iOS.
  • Organize your thoughts and outline the structure of your blog post.
  • Write the content of the blog post, providing clear explanations and examples.
  • Review and edit your blog post for clarity and accuracy.
  • Publish your blog post on a relevant platform.

Career center

Learners who complete Testing Fundamentals in iOS will develop knowledge and skills that may be useful to these careers:
Test Automation Engineer
As a Test Automation Engineer, you will be responsible for developing and maintaining automated tests for software applications. There are countless benefits to using this type of testing, and developing these skills will help you secure employment as a Test Automation Engineer. You will learn how to write unit tests, integration tests, and UI tests in this course. It will teach you how to use a variety of testing frameworks, and much more.
iOS Developer
As an iOS Developer, you will be responsible for creating iPhone and iPad applications. If you want to successfully begin or advance in this field, it is imperative that you are well-versed in testing fundamentals. This course will teach you how to write quality tests that will save time and effort for yourself and your team. You will learn how to write unit tests, integration tests, UI tests, and more.
QA Analyst
As a QA Analyst, your main objective will be to ensure the quality of software and its usability by end users. A deep knowledge of testing is essential to a successful career in this field. You will learn how to test user interfaces, how to write automated tests, and much more in this course. Enrolling in this course will give you the technical skills you need to be a successful QA Analyst.
Quality Assurance Manager
As a Quality Assurance Manager, you will plan, coordinate, and manage quality assurance activities for software applications. Having hands-on experience with testing will be of immeasurable help in this career. This course will teach you how to set up test targets, write testable code, and how to test user interfaces. You will learn all the technical skills you need to be a successful Quality Assurance Manager by enrolling in this course.
Software Engineer
As a Software Engineer, your main responsibility will be to design, develop, and maintain software. A strong foundation in testing will give you a leg up against those without. This course starts from the basics of how to set up test targets and will teach you all the way up through the latest industry best practices in writing testable code. In this course, you will gain the skills you need to excel as a Software Engineer.
Software Tester
As a Software Tester, you will be responsible for ensuring the quality of software applications. This course teaches all the latest industry best practices for testing, increasing your chances of success in the field. It provides instruction on how to write unit tests, integration tests, and UI tests. You will learn how to use testing tools, write effective bug reports, and much more.
Product Manager
As a Product Manager, you will lead the design and development of software applications. Having a solid grasp of testing will help you succeed in this role. In this course, you will learn the basics of unit testing, integration testing, and UI testing. You will also learn how to test asynchronous code and how to mock your code. Product Management is a rewarding career, and this course will help you build a strong foundation in testing for this field.
Business Analyst
As a Business Analyst, you will work with clients to analyze their business needs and develop solutions. The ability to validate requirements and test solutions is essential for success in this role. You will learn how to write test cases, test user interfaces, and more in this course. It will give you the skills you need to thrive as a Business Analyst.
Systems Analyst
As a Systems Analyst, you will work with clients to analyze their business needs and design software solutions. The ability to test software applications is essential for success in this role. You will learn how to write test cases, test user interfaces, and more in this course. It will give you the skills you need to thrive as a Systems Analyst.
Data Analyst
As a Data Analyst, you will collect, analyze, and interpret data to help businesses make better decisions. The ability to test software applications is essential for success in this role. You will learn how to write test cases, test user interfaces, and more in this course. It will give you the skills you need to thrive as a Data Analyst.
Project Manager
As a Project Manager, you will be responsible for planning, organizing, and managing software development projects. A basic knowledge of testing can be very helpful for those in this role. In this course, you will learn how to set up test targets, write testable code, and how to use testing tools. Project Management is a rewarding career, and this course will help you build a strong foundation in testing for this field.
Network Administrator
As a Network Administrator, you will be responsible for managing and maintaining computer networks. A basic knowledge of testing can be very helpful for those in this role. In this course, you will learn how to set up test targets, write testable code, and how to use testing tools. Network Administration is a rewarding career, and this course will help you build a strong foundation in testing for this field.
Technical Writer
As a Technical Writer, you will write user manuals, how-to guides, and other documentation for software applications. This course may be useful to you in your role as it provides practical knowledge of testing. You will learn how to write unit tests, integration tests, and UI tests. It will teach you how to use testing tools, write effective bug reports, and more. Technical Writers with the knowledge and skills you will gain through this course will stand out.
Security Analyst
As a Security Analyst, you will be responsible for protecting software applications from security threats. A basic knowledge of testing can be very helpful for those in this role. In this course, you will learn how to set up test targets, write testable code, and how to use testing tools. Security Analysis is a rewarding career, and this course will help you build a strong foundation in testing for this field.
Database Administrator
As a Database Administrator, you will be responsible for managing and maintaining databases. A basic knowledge of testing can be very helpful for those in this role. In this course, you will learn how to set up test targets, write testable code, and how to use testing tools. Database Administration is a rewarding career, and this course will help you build a strong foundation in testing for this field.

Reading list

We've selected eight books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Testing Fundamentals in iOS.
Provides a hands-on approach to testing in iOS, covering unit, integration, and UI testing. It good companion to this course, as it delves deeper into the practical aspects of writing and running tests.
Provides a comprehensive overview of unit testing principles and best practices, making it a valuable resource for anyone looking to improve their testing skills.
Provides valuable insights into working with legacy code, which is often encountered when testing existing applications.
Provides a comprehensive overview of writing clean and maintainable code, which is essential for effective testing.
Provides a comprehensive overview of refactoring techniques, which are essential for maintaining a testable codebase.
This book, while focused on test-driven development in Python, provides valuable insights into testing principles and practices that can be applied to iOS testing as well.
While this book does not focus specifically on testing, it provides a solid foundation for writing clean and maintainable code, which is essential for effective testing.

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