Angular 2 Cookbook

Chapter 9. Angular 2 Testing

This chapter will cover the following recipes:

• Creating a minimum viable unit test suite with Karma, Jasmine, and TypeScript
• Writing a minimum viable unit test suite for a simple component
• Writing a minimum viable end-to-end test suite for a simple application
• Unit testing a synchronous service
• Unit testing a component with a service dependency using stubs
• Unit testing a component with a service dependency using spies

Introduction

Writing tests is like brushing your teeth. You can get away with skipping it for a while, but it'll catch up with you eventually.

The world of testing is awash with conflicting ideologies, platitudes, and grandstanding. What's more, there is a dizzying array of tools available that allow you to write ...