import { liftChildren } from './arrays';

describe('array utils', function () {
	describe('liftChildren(): ', function () {
		it('should do nothing if no children of specified propName', function () {
			const items = [{ foo: 'bar' }, { foo: 'fizz' }];
			const result = liftChildren('bar', items);
			expect(result).toEqual(items);
		});

		it('should do nothing with non-object arrays', function () {
			const items = ['fizz', 'bar'];
			const result = liftChildren('foo', items);
			expect(result).toEqual(items);
		});

		it('should move children items to the top level array', function () {
			const items = [{ foo: [{ fizz: 'buzz' }] }, { bar: 'foo' }];
			const result = liftChildren('foo', items);
			const expected = [{ foo: [{ fizz: 'buzz' }] }, { fizz: 'buzz' }, { bar: 'foo' }];
			expect(result).toEqual(expected);
		});
	});
});