I’m attempting to assert a partial match for a function that has been called:

  let values = ["100", "200"];

  setValues({
    values,
    name: "foo",
  });

I want to assert that setValues was called with an object containing values and that the array contains "100".

I do not care about "200" being in the array, and I do not care about name: "foo" being in the object. I only want to assert on the "100" value.

I have written a unit test assertion utilising objectContaining and arrayContaining thinking this would be correct:

expect(setValues).toHaveBeenCalledWith(
  expect.objectContaining({
    values: expect.arrayContaining(["100"]),
  })
);

However the test does not pass, as it asserts the other values that are also called – the ones I don’t care about.

Expected: ObjectContaining {"values": ["100"]}
Received: {"values": ["100", "200"], "name": "foo"}

Where am I going wrong here in regards to the partial match?