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All LessonsFree Lessons (3)

Introduction

Who Should Take this Course and Why?Tools, Best practices, and Teaching TDD

Test-Driven Fable

Test-Driven Development (TDD) Advantages Testing First Drives Design What is TDD Good For?When TDD needs help Summary

Test-Driven Development Basics

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

Test-Driven 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

What Makes a Great Test?

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

Testing Models

What can We do in a Model Test?A TDD Metaprocess Refactoring Models Combine Duplication Find Missing Abstractions A Note on Assertions Per Test Testing What Rails Give Us Testing ActiveRecord Finders Testing Shared Modules and ActiveSupport Concerns Writing RSpec Matchers Summary

Adding Data to Tests

Getting Started with Testing Data What's The Problem?Fixtures Loading Fixture Data Why Fixtures are a Pain?Factories Basic Factory Definition Basic Factory Creation Associations and Factories Managing Duplication in Factories Dates and Times Summary

Using Test Doubles as Mocks and Stubs

Problem Test Doubles Defined Creating Stubs Partial Stubs Mock Expectations Using Mocks to Simulate Database Failure Using Mocks to Specify Behavior More Expectation Annotations Mock Tips Summary

Integration Testing with Capybara and Cucumber

A Field Guide to Integration and System Tests Setting Up Capybara Using Feature Tests to Build a Feature The Capybara API: Interacting The Capybara API: Querying What to Test in an RSpec System Test Outside-in Testing Making the Capybara Test Pass Retrospective Setting Up Cucumber Writing Cucumber Features Advanced Cucumber Is Cucumber Worth It?Summary

Testing JavaScript: Integration Testing

Integration-Testing JavaScript with Capybara Let’s Talk About Drivers Making the Test Pass Webpack in Developer Mode Summary

Unit-Testing Javascript

Getting Started with Unit Testing Javascript

Setting Up Javascript Unit-Test

JavaScript Unit-Testing using Karma Module

Writing a Sample Test

TDD in Javascript

Jasmine matchers

Testing Ajax Calls

Using testdouble.js

Creating Test Doubles

Specifying Test Double Behavior

Verifying Test Doubles

Connecting the JavaScript to the Server Code

Testing Rails Display Elements

Getting Started Testing Routes Testing Helper Methods Testing Helper Methods Blocks Testing Controllers and Requests Simulating Requests What to Expect in a Request Spec Older Rails Controller Tests Testing Mailers Testing Views and View Markup What Does The View Test Do?Using Presenters Testing Jobs and Cables Summary

Minitest

Getting Started with Minitest Minitest Basics Running Minitest Minitest Setup Mocha System Tests and Others Minitest Integration Tests Minitest Helper Tests Minitest and Routing Summary

Testing for Security

Getting Started with Security Testing User Authentication and Authorization Adding Users and Roles Restricting Access More Access-Control Testing Using Roles More Roles Tests Protection Against Form Modification Mass Assignment Testing Other Security Resources Summary

Testing External Services

Getting Started with External Services External Testing Strategy The Service Integration Test Introducing VCR VCR and RSpec VCR and Minitest VCR and Cucumber Client Unit Tests Why an Adapter?Adapter Tests Testing for Error Cases Smoke Tests and VCR Options The World is a Service Summary

Troubleshooting and Debugging

Getting Started with Troubleshooting and Debugging The Humble Print Statement Git Bisect RSpec or Minitest Bisect Pry Basic Pry Consoling Using Pry to Troubleshoot Test Failures Common Rails Gotchas Summary

Running Tests Faster and Running Faster Tests

Getting Started with Running Smaller Groups of Tests Running Smaller Groups of Tests: RSpec Running Smaller Groups of Tests in Minitest Running Smaller Groups of Tests Using Cucumber Running Rails in the Background Using Spring Spring Advantages Running Tests Automatically with Guard Writing Faster Tests by Bypassing Rails Why Speed Is Important Why Separation from Rails Is Useful Rails Test Prescriptions, Hold the Rails Bypassing Rails in Minitest Workflow Tests Without Rails Running Rails-free Tests Recommendations for Faster Tests Summary

Testing Legacy Code

What is a Legacy?Set Expectations Getting Started with Legacy Code Black-Box and White-Box Testing Dependency Removal Legacy Databases, Testing, and Us Using Test Doubles to Remove Dependencies Find the Seam Don’t Look Back Conclusion

Fundamentals of Testing Using Rails/

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Jasmine matchers

Jasmine matchers

Learn about Jasmine matchers and the conditions they pass with.

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Jasmine matchers

Jasmine matchers

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