Unit testing an observable in Angular 2

Question

What is the correct way of unit testing a service returning an Observable result in Angular 2? Let\'s say we have a getCars method in a CarService service class:

<         


        

Answer 1

I recommend this approach, which I think is more elegant:

expectAsync(carService.getCars().toPromise()).toBeResolvedWith(myExpectedValue);

You can also provide your own async matchers using: Jasmine Matcher