verdecchia / jest-extended-symbols-532

[issue 532] jest-extended: toHaveBeenCalledOnceWith does not work with Symbols

Usage

1. run yarn install
2. run yarn test

Results: if functions are called the right way, both succeeds. If they are called the wrong way, both fail but with different message error:

• toHaveBennCalledWith error:

Expected: Symbol(foo)
Received: Symbol(foo)

• toHaveBeenCalledOnceWith error:

Expected mock function to have been called exactly once with Symbol(foo), but it was called with:
      Symbol(foo)