10 Testing your application

This chapter covers

  • The value of testing your Angular applications
  • How to set up and create unit tests to test individual pieces
  • Unit test strategies for directives, services, components, and pipes
  • How to implement e2e tests to test the application as a whole
  • Additional testing strategies

All the applications we’ve built could benefit from testing. Some developers dread writing tests, whereas others are probably wondering why I didn’t cover testing from the start. I consider testing essential, though it requires a set of new concepts and tools, which is why I waited till now.

Angular was designed to be highly testable, and projects created using the Angular CLI automatically set up basic testing scaffolding ...

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