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Anna Filina

Unit tests enable you to significantly reduce time on debugging and prevent you from breaking everything when you make changes. This course will teach you how to write unit tests in a simple and efficient way.

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Unit tests enable you to significantly reduce time on debugging and prevent you from breaking everything when you make changes. This course will teach you how to write unit tests in a simple and efficient way.

Debugging is typically very time-consuming, and pre-release manual testing is often unreliable. In this course, Unit Testing with PHPUnit 9, you’ll learn to write unit tests in PHP. First, you’ll explore the fundamentals of unit tests and PHPUnit itself. Next, you’ll discover how to write better tests using mocks. Finally, you’ll learn how to track your code coverage and run tests using continuous integration. When you’re finished with this course, you’ll have the skills and knowledge of PHPUnit needed to increase the quality of your PHP applications.

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What's inside

Syllabus

Course Overview
Understanding the Role of Unit Tests
PHPUnit Basics
Advancing from Debugging to TDD
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Writing Better Tests
Using Mocks
Measuring Code Coverage
Writing Integration Tests
Continuous Integration

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Teaches you how to use PHPUnit 9, the current version of this testing framework
Develops TDD and debugging skills, core to the role of a developer
Offers a comprehensive approach to writing unit tests in PHP

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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 Unit Testing with PHPUnit 9 with these activities:
Review PHP Debugging Techniques
Refresh your knowledge in identifying and resolving errors in PHP code.
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  • Refer to PHP documentation on debugging techniques.
  • Use debugging tools such as var_dump() and error_log().
  • Practice debugging simple PHP scripts.
Read 'PHPUnit Testing Guide'
Review key concepts and best practices in unit testing with PHPUnit.
Show steps
  • Obtain a copy of the 'PHPUnit Testing Guide'.
  • Read through the book and take notes.
  • Highlight important concepts and techniques.
  • Refer back to the guide as needed while practicing unit testing.
Attend a Unit Testing Workshop
Explore different unit testing tools and best practices through a workshop.
Browse courses on Unit Testing
Show steps
  • Find a reputable workshop on unit testing.
  • Attend the workshop and take detailed notes.
  • Practice the techniques learned in the workshop.
  • Ask questions and participate in discussions.
Five other activities
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Join a Unit Testing Study Group
Engage in discussions and collaborate with peers to deepen your understanding.
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Show steps
  • Find a study group focused on unit testing.
  • Review unit testing concepts and practices together.
  • Discuss and solve unit testing challenges.
  • Share knowledge and learn from others' experiences.
Create Unit Test Framework for Mock
Start by building a unit test framework, to practice your TDD skills.
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  • Create a command line script that requires the PHPUnit package.
  • Generate test cases that cover your business logic.
  • Run your test cases and observe the result.
  • Debug to fix any failing test cases.
  • Refactor your code to make it more maintainable.
Practice Test Driven Development
Practice writing unit tests using a Test Driven Development approach.
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  • Choose a simple function to implement.
  • Write a failing test case for the function.
  • Implement the function to make the test case pass.
  • Refactor the implementation to improve its quality.
Solve Unit Testing Challenges
Attempt more challenging unit testing problems to solidify your understanding.
Browse courses on Unit Testing
Show steps
  • Find a set of unit testing challenges online.
  • Attempt to solve the challenges without looking at the solutions.
  • Compare your solutions to the provided answers.
  • Review the solutions to learn from different approaches.
  • Practice the challenges until you can solve them consistently.
Contribute to PHPUnit Open Source Project
Gain practical experience by contributing to the PHPUnit framework.
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Show steps
  • Browse the PHPUnit GitHub repository for open issues.
  • Choose an issue that aligns with your skills and interests.
  • Fork the repository and create a branch for your changes.
  • Implement the necessary code changes and write unit tests.
  • Submit a pull request with your proposed changes.

Career center

Learners who complete Unit Testing with PHPUnit 9 will develop knowledge and skills that may be useful to these careers:
Software Engineer
As a Software Engineer, you will be responsible for the design, development, testing, and maintenance of software applications. This course can help you build a foundation in unit testing, which is an essential skill for Software Engineers. By learning how to write unit tests, you can improve the quality of your code and reduce the time you spend on debugging.
Software Developer
As a Software Developer, you will be responsible for the design, development, testing, and maintenance of software applications. This course can help you build a foundation in unit testing, which is an essential skill for Software Developers. By learning how to write unit tests, you can improve the quality of your code and reduce the time you spend on debugging.
Software Test Engineer
As a Software Test Engineer, you will be responsible for testing software applications to ensure that they meet the required standards. This course can help you develop the skills you need to write effective unit tests. By learning how to write unit tests, you can improve the quality of your tests and reduce the time you spend on debugging.
Test Engineer
As a Test Engineer, you will be responsible for designing and executing test plans to ensure that software applications meet the required standards. This course can help you develop the skills you need to write effective unit tests. By learning how to write unit tests, you can improve the quality of your tests and reduce the time you spend on debugging.
Automation Engineer
As an Automation Engineer, you will be responsible for developing and maintaining automated testing systems. This course can help you build a foundation in unit testing, which is an essential skill for Automation Engineers. By learning how to write unit tests, you can improve the quality of your tests and reduce the time you spend on debugging.
Quality Assurance Analyst
As a Quality Assurance Analyst, you will be responsible for testing software applications to ensure that they meet the required standards. This course can help you develop the skills you need to write effective unit tests. By learning how to write unit tests, you can improve the quality of your tests and reduce the time you spend on debugging.
Technical Support Engineer
As a Technical Support Engineer, you will be responsible for providing technical support to customers. This course can help you develop the skills you need to write effective unit tests. By learning how to write unit tests, you can improve the quality of your tests and reduce the time you spend on debugging.
Systems Analyst
As a Systems Analyst, you will be responsible for analyzing and designing software systems. This course can help you build a foundation in unit testing, which is an essential skill for Systems Analysts. By learning how to write unit tests, you can improve the quality of your designs and reduce the time you spend on debugging.
Product Manager
As a Product Manager, you will be responsible for defining and managing the product vision. This course may be useful for Product Managers who want to learn more about unit testing. By learning how to write unit tests, you can improve the quality of your products and reduce the time you spend on debugging.
Project Manager
As a Project Manager, you will be responsible for planning, executing, and closing projects. This course may be useful for Project Managers who want to learn more about unit testing. By learning how to write unit tests, you can improve the quality of your projects and reduce the time you spend on debugging.
Business Analyst
As a Business Analyst, you will be responsible for analyzing and documenting business requirements. This course may be useful for Business Analysts who want to learn more about unit testing. By learning how to write unit tests, you can improve the quality of your requirements and reduce the time you spend on debugging.
Data Scientist
As a Data Scientist, you will be responsible for developing and applying machine learning models. This course may be useful for Data Scientists who want to learn more about unit testing. By learning how to write unit tests, you can improve the quality of your models and reduce the time you spend on debugging.
Artificial Intelligence Engineer
As an Artificial Intelligence Engineer, you will be responsible for developing and deploying artificial intelligence models. This course may be useful for Artificial Intelligence Engineers who want to learn more about unit testing. By learning how to write unit tests, you can improve the quality of your models and reduce the time you spend on debugging.
Machine Learning Engineer
As a Machine Learning Engineer, you will be responsible for developing and deploying machine learning models. This course may be useful for Machine Learning Engineers who want to learn more about unit testing. By learning how to write unit tests, you can improve the quality of your models and reduce the time you spend on debugging.
Data Analyst
As a Data Analyst, you will be responsible for collecting, analyzing, and interpreting data. This course may be useful for Data Analysts who want to learn more about unit testing. By learning how to write unit tests, you can improve the quality of your data analysis and reduce the time you spend on debugging.

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 Unit Testing with PHPUnit 9.
Covers the principles and practices of unit testing, with examples in multiple languages. Valuable for understanding the fundamentals and best practices of unit testing.
Introduces the concepts and practices of test-driven development (TDD). Useful for understanding the benefits and challenges of TDD.
Presents a test-driven development approach to software design and development. Provides a solid foundation for understanding how unit tests can drive the development process.
A classic book on design patterns that provides insights into how to design reusable and maintainable software. Valuable for understanding how to write testable code that follows established design principles.
Provides practical advice and techniques for working with and improving legacy code. Valuable for gaining insights into the challenges of testing and refactoring existing code.
A comprehensive guide to software development best practices. Provides insights into software design, testing, and maintenance.
An introductory book on Java programming that covers the fundamentals of object-oriented programming. Useful for beginners who are new to programming or need a refresher on Java basics.

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