Chapter 9. Toward testable, reactive programs
This chapter covers
- Understanding functional programming’s inherent testability
- Testing asynchronous code with Mocha.js
- Exploring the tools for testing observables
- Understanding the need for using virtual time instead of physical time
- Introducing RxJS schedulers
- Refactoring streams to enhance testability
If you’ve been in the software industry for any appreciable amount of time, you’ve likely encountered some form of testing. In production software, there’s no escaping the need for tests (or there shouldn’t be), whether they target newly written code or a system-wide refactoring. Changes to complex applications can easily produce unforeseen consequences in different paths of execution; it’s particularly ...
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