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The Test Schedulers in Rx

Explore how to use the RxJS TestScheduler to simulate virtual time, allowing you to run asynchronous tests instantly and deterministically. Understand how TestSchedulers improve test reliability by queuing and executing scheduled actions immediately, enabling precise validation of observable sequences without waiting.

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RxJS gives us the TestScheduler, a Scheduler that is designed to help with testing. The TestScheduler allows us to emulate time at our convenience and create deterministic tests, where they are guaranteed to be 100% repeatable.

Besides that, it allows us to execute operations that would ...