SinonJS Fundamentals from Pluralsight

SinonJS is one of the most popular JavaScript libraries for test doubles. This course walks through the various features of SinonJS so that you know not only how to use each feature, but more importantly, why you would use each one.

Unit testing can be hard, particularly when you're testing against live systems. Data from databases can change, APIs can be down, and accessing file systems can be slow. Using test doubles in your unit tests can help alleviate a lot of the struggles and issues you might experience. In this course, SinonJS Fundamentals, you'll learn how the SinonJS library can help make unit testing easier and more repeatable. First, you'll explore each of the test doubles that Sinon offers. Not only will you learn the syntax, but with the hands-on demos, you'll see how and when to use each test double. Next, you'll delve into other utilities that Sinon offers that simplify checking that the right data was returned. Then, you'll discover how Sinon can help you even with the hard problems of testing, such as faking out dates or XHR data in the browser. Finally, you'll learn how the Sinon ecosystem works to make it easier for you to stay on top of all of your test doubles. By the end of the course, you'll be able to incorporate Sinon into your projects to ensure quick, repeatable test results.

What's inside

Syllabus

Course Overview

The State of Testing at Globomantics

Spying on Functions

Swapping a Stub for a Function

Verifying Behavior with Mocks

Controlling How Parameters Are Matched

Faking out XHR and Timer Calls

Easier Set up and Clean up with Sandboxes

What’s Next?

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Introduces the fundamentals and concepts of SinonJS for test doubles

Tailored for individuals seeking to enhance their unit testing abilities

Taught by Nate Taylor, an experienced instructor in this topic

Provides hands-on demonstrations to enhance understanding and practical application

Helps learners mitigate common challenges associated with unit testing

Covers essential skills, such as spying on functions and swapping stubs

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 SinonJS Fundamentals with these activities:

Follow the SinonJS tutorial series

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The SinonJS tutorial series will provide you with a step-by-step guide to using SinonJS

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Find the SinonJS tutorial series
Follow the tutorials

Discuss different SinonJS concepts with a study group

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Discussing SinonJS concepts with others will help you to understand them more deeply

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Find a study group
Discuss different SinonJS concepts

Create unit tests

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Writing unit tests will help you to deeply understand the behavior of the code you are writing

Browse courses on Unit Testing

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Identify the code you want to test
Create a test file
Write test cases
Run the tests

Five other activities

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Practice Spying on Functions

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Learning how spying works will help you to easily debug your code

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Setup a simple function to spy on
Create a spy for the function
Call the function and assert the spy was called

Practice Swapping a Stub for a Function

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Stubbing out functions will help you to isolate and test specific parts of your code

Browse courses on Stubs

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Setup a simple function to stub out
Create a stub for the function
Call the function and assert the stub was called

Practice Verifying Behavior with Mocks

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Using mocks will allow you to test behavior of code that you do not have direct access to

Browse courses on Mocks

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Setup a simple function to mock
Create a mock for the function
Call the function and assert the mock was called

Create a small project

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The creation of a small project will help you to apply the concepts you are learning in a more realistic setting

Browse courses on Unit Testing

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Choose a project idea
Design and implement the project
Write unit tests for your project
Evaluate your results

Contribute to the SinonJS project

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Contributing to the SinonJS project will help you to learn more about how SinonJS works and how to use it effectively

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Find the SinonJS project on GitHub
Find an issue or feature to work on
Create a pull request

Career center

Learners who complete SinonJS Fundamentals will develop knowledge and skills that may be useful to these careers:

Software Tester

Software Testers are responsible for identifying bugs and defects in software before it is released to the public. They need to be able to think critically and creatively in order to come up with different ways to test software. SinonJS can help Software Testers by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Software Testers to identify bugs and defects that may not be immediately apparent.

See salaries and explore the career path for Software Tester

Software Developer

Software Developers are responsible for designing, developing, and maintaining software applications. They need to have a strong understanding of programming languages and software development tools. SinonJS can help Software Developers by providing them with the tools they need to create unit tests for their code. Unit tests can help Software Developers to identify bugs and defects in their code before they are released to the public.

See salaries and explore the career path for Software Developer

Test Engineer

Test Engineers are responsible for developing and executing test plans for software products. They need to have a strong understanding of testing methodologies and tools. SinonJS can help Test Engineers by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Test Engineers to develop and execute test plans that are more effective.

See salaries and explore the career path for Test Engineer

Quality Assurance Analyst

Quality Assurance Analysts are responsible for ensuring that software products meet the required quality standards. They need to be able to identify and report defects in software products. SinonJS can help Quality Assurance Analysts by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Quality Assurance Analysts to identify defects in software products that may not be immediately apparent.

See salaries and explore the career path for Quality Assurance Analyst

Product Manager

Product Managers are responsible for defining the vision and roadmap for software products. They need to have a strong understanding of the market and the needs of users. SinonJS can help Product Managers by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Product Managers to define the vision and roadmap for software products that are more likely to meet the needs of users.

See salaries and explore the career path for Product Manager

Project Manager

Project Managers are responsible for planning and executing software development projects. They need to have a strong understanding of project management methodologies and tools. SinonJS can help Project Managers by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Project Managers to plan and execute software development projects that are more likely to be successful.

See salaries and explore the career path for Project Manager

Business Analyst

Business Analysts are responsible for gathering and analyzing business requirements. They need to have a strong understanding of business processes and the needs of users. SinonJS can help Business Analysts by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Business Analysts to gather and analyze business requirements that are more likely to meet the needs of users.

See salaries and explore the career path for Business Analyst

Data Analyst

Data Analysts are responsible for collecting, analyzing, and interpreting data. They need to have a strong understanding of data analysis techniques and tools. SinonJS can help Data Analysts by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Data Analysts to collect, analyze, and interpret data that is more likely to be accurate and reliable.

See salaries and explore the career path for Data Analyst

User Experience Designer

User Experience Designers are responsible for designing the user interface for software products. They need to have a strong understanding of user behavior and design principles. SinonJS can help User Experience Designers by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help User Experience Designers to design user interfaces that are more likely to be usable and enjoyable.

See salaries and explore the career path for User Experience Designer

Systems Analyst

Systems Analysts are responsible for analyzing and designing business systems. They need to have a strong understanding of business processes and technology. SinonJS can help Systems Analysts by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Systems Analysts to analyze and design business systems that are more likely to be efficient and effective.

See salaries and explore the career path for Systems Analyst

Information Security Analyst

Information Security Analysts are responsible for protecting computer systems and networks from unauthorized access. They need to have a strong understanding of security principles and tools. SinonJS can help Information Security Analysts by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Information Security Analysts to protect computer systems and networks from unauthorized access.

See salaries and explore the career path for Information Security Analyst

Quality Control Analyst

Quality Control Analysts are responsible for ensuring that products meet quality standards. They need to have a strong understanding of quality control principles and tools. SinonJS can help Quality Control Analysts by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Quality Control Analysts to ensure that products meet quality standards.

See salaries and explore the career path for Quality Control Analyst

Network Administrator

Network Administrators are responsible for managing and maintaining computer networks. They need to have a strong understanding of network protocols and tools. SinonJS can help Network Administrators by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Network Administrators to manage and maintain computer networks that are more likely to be reliable and efficient.

See salaries and explore the career path for Network Administrator

Database Administrator

Database Administrators are responsible for managing and maintaining databases. They need to have a strong understanding of database management systems and tools. SinonJS can help Database Administrators by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Database Administrators to manage and maintain databases that are more likely to be reliable and efficient.

See salaries and explore the career path for Database Administrator

Computer Systems Analyst

Computer Systems Analysts are responsible for analyzing and designing computer systems. They need to have a strong understanding of computer hardware and software. SinonJS can help Computer Systems Analysts by providing them with the tools they need to create test doubles, which can be used to simulate the behavior of other systems. This can help Computer Systems Analysts to analyze and design computer systems that are more likely to be efficient and effective.

See salaries and explore the career path for Computer Systems Analyst

SinonJS Fundamentals

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