Jest how to assert that function is not called
Solution 1:
Just use not.
expect(mockFn).not.toHaveBeenCalled()
See the jest documentation
Solution 2:
not did not work for me, throwing a Invalid Chai property: toHaveBeenCalled
But using toHaveBeenCalledTimes with zero does the trick:
expect(mock).toHaveBeenCalledTimes(0)