Tests for the mock fuction.

mock-fn.test.js

import { describe } from 'riteway';

import fn from './mock-fn.js';

describe('fn - the mock function', async assert => {
  const mockedFn = fn((a, b) => a + b);

  assert({
    given: 'calling a mocked function',
    should: 'should return the correct result',
    actual: mockedFn(21, 21),
    expected: 42,
  });

  assert({
    given: "a mocked function's calls",
    should: 'return the correct args',
    actual: mockedFn.calls,
    expected: [[21, 21]],
  });
});