import expect from 'expect';

import replaceArrayItem from 'utilities/replace_array_item';

describe('replaceArrayItem - utility', () => {
  it('substitutes the item in the array with its replacement', () => {
    const groob = { id: 23, name: 'Groob' };
    const jason = { id: 78, name: 'Jason' };
    const john = { id: 78, name: 'John' };
    const zach = { id: 78, name: 'Zach' };
    const mike = { id: 78, name: 'Mike' };
    const arr1 = [101, 102, 2, 104];
    const arr2 = [groob, jason, john];

    expect(replaceArrayItem(arr1, 2, 'hi')).toEqual([101, 102, 'hi', 104]);
    expect(replaceArrayItem(arr1, 103, 'hi')).toEqual(arr1);
    expect(replaceArrayItem(arr2, jason, zach)).toEqual([groob, zach, john]);
    expect(replaceArrayItem(arr2, mike, zach)).toEqual(arr2);
  });
});