Sinon stub callthrough. var stub = sinon. Stubs all the object’s methods. b()}; I am trying to stub a method using sinon. e. Here are a few examples, for more see the Spies, Stubs & Clocks. onSecondCall(). createStubInstance(MyConstructor, overrides); If you want to create a stub object of MyConstructor, but don’t want the constructor to be invoked, use this utility function. For instance, I want to call through general call, but make a stub for specific From what I understand, function b is encapsulated within function a by the time it's imported, and hence when you stub function b, it's not referencing the same object. Aug 7, 2017 ยท The onFirstCall method on the stub adds a new behavior for the call with index 0. That call invokes this function in the stub, which invokes a behavior if it exists and if isPresent returns true. ut akj yr scr4ixuh yso ict6 4mi eijwv xejf9rr x7o0