How to spyOn a value property (rather than a method) with Jasmine

Question

Jasmine\'s spyOn is good to change a method\'s behavior, but is there any way to change a value property (rather than a method) for an object? the code could be

Answer 1

I'm a bit late to the party here i know but,

You could directly access the calls object, which can give you the variables for each call

expect(spy.calls.argsFor(0)[0].value).toBe(expectedValue)