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Fundamentals of Testing Using Rails

Fundamentals of Testing Using Rails

Gain insights into TDD, learn about writing and running tests using RSpec and Minitest, and explore how to apply testing fundamentals to enhance Ruby-on-Rails application development.

Advanced

190 Lessons

27h 10min

Certificate of Completion

Gain insights into TDD, learn about writing and running tests using RSpec and Minitest, and explore how to apply testing fundamentals to enhance Ruby-on-Rails application development.

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This course includes

87 Playgrounds
68 Quizzes

This course includes

87 Playgrounds
68 Quizzes
Course Overview
What You'll Learn
Course Content

Course Overview

Take a deep dive into the test-driven development (TDD) process by writing and running your own tests for your Ruby-on-Rails applications. Not only will you learn the fundamentals of testing in Ruby and Rails, but also how you can apply the same methods in your daily coding practice. Explore and practice tools such as RSpec and Minitest to make your application development more efficient and robust. By the time you’re done, you’ll have a solid foundation in TDD and be ready to take your expertise in applica...Show More

TAKEAWAY SKILLS

Unit Testing

Ruby Gem's Management

What You'll Learn

Understand the fundamentals of test-driven development

Write and run tests for your application using RSpec and Minitest

Learn to make failing tests pass

Test the security of your application

Configure your routes, models, views, and controllers

What You'll Learn

Understand the fundamentals of test-driven development

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Course Content

1.

Introduction

Get familiar with TDD principles, RSpec, Minitest, and testing strategies in Rails.
Who Should Take this Course and Why?
Tools, Best practices, and Teaching TDD
2.

Test-Driven Fable

Look at TDD, its advantages, design benefits, and limitations in automated testing.
Test-Driven Development (TDD) Advantages
Testing First Drives Design
What is TDD Good For?
When TDD needs help
Summary
3.

Test-Driven Development Basics

Work your way through Test-Driven Development (TDD) essentials, RSpec integration, and incremental testing.
Infrastructure
Installing RSpec
Where to Start?
RSpec and Rails Features
RSpec Predefined Matchers
Running the Test
Making the Test Pass
The Second Test
Expectations and lit
Back on Task
Adding Some Math
The First Date
Using the Time Data
Summary
4.

Test-Driven Rails

Enhance your skills in TDD, focusing on model, view, and controller testing using Rails.
Let's Write Some Rails
End-to-End Testing
Pending Tests
Creating ActiveRecord Models
The Days Are Action-Packed
Going with the Workflow
Refactoring to Single-Assertion Specs
Who Controls the Controllers?
A Test with a View
Testing for Failure
Summary
5.

What Makes a Great Test?

Deepen your knowledge of creating efficient, valuable tests to maintain high code quality.
The Big One
Cost and Value
Straightforward: The First Quality of Valuable Tests
Well Defined: The Second Quality of Valuable Tests
Independent: The Third Quality of Valuable Tests
Fast: The Fourth Quality of Valuable Tests
Truthful: The Fifth Quality of Valuable Tests
Summary
6.

Testing Models

11 Lessons

See how it works to test Rails models using TDD, refactoring, and custom RSpec matchers.
7.

Adding Data to Tests

12 Lessons

Master test data management by utilizing fixtures for speed and factories for flexibility.
8.

Using Test Doubles as Mocks and Stubs

10 Lessons

Try out using test doubles in Rails for effective and isolated automated testing.
9.

Integration Testing with Capybara and Cucumber

14 Lessons

Discover the logic behind integration testing in Rails using Capybara and Cucumber.
10.

Testing JavaScript: Integration Testing

5 Lessons

Work your way through JavaScript integration testing with Capybara in Rails.
11.

Unit-Testing Javascript

13 Lessons

Grasp the fundamentals of effective JavaScript unit testing, setup, and handling Ajax calls.
12.

Testing Rails Display Elements

14 Lessons

Dig deeper into testing Rails components: views, controllers, routes, mailers, and background jobs.
13.

Minitest

10 Lessons

Follow Minitest to simplify testing in Rails, covering unit, system, and integration tests.
14.

Testing for Security

11 Lessons

Build on security testing techniques, user roles, access controls, and form protection in Rails.
15.

Testing External Services

14 Lessons

Learn how to use adapters and VCR to effectively test external service integrations.
16.

Troubleshooting and Debugging

9 Lessons

Get started with tools and techniques for effective Rails test troubleshooting and debugging.
17.

Running Tests Faster and Running Faster Tests

17 Lessons

Break apart strategies and techniques to enhance test speed and efficiency using Rails.
18.

Testing Legacy Code

10 Lessons

Grasp the fundamentals of effectively testing and optimizing legacy Rails codebases.

Course Author

Trusted by 1.4 million developers working at companies

Anthony Walker

@_webarchitect_

Evan Dunbar

ML Engineer

Carlos Matias La Borde

Software Developer

Souvik Kundu

Front-end Developer

Vinay Krishnaiah

Software Developer

Eric Downs

Musician/Entrepeneur

Kenan Eyvazov

DevOps Engineer

Souvik Kundu

Front-end Developer

Eric Downs

Musician/Entrepeneur

Anthony Walker

@_webarchitect_

Evan Dunbar

ML Engineer

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