import assert from 'node:assert';
import lodashStable from 'lodash';
import { stubB } from './utils';
import result from '../src/result';

describe('result', () => {
    const object = { a: 1, b: stubB };

    it('should invoke function values', () => {
        assert.strictEqual(result(object, 'b'), 'b');
    });

    it('should invoke default function values', () => {
        const actual = result(object, 'c', object.b);
        assert.strictEqual(actual, 'b');
    });

    it('should invoke nested function values', () => {
        const value = { a: lodashStable.constant({ b: stubB }) };

        lodashStable.each(['a.b', ['a', 'b']], (path) => {
            assert.strictEqual(result(value, path), 'b');
        });
    });

    it('should invoke deep property methods with the correct `this` binding', () => {
        const value = {
            a: {
                b: function () {
                    return this.c;
                },
                c: 1,
            },
        };

        lodashStable.each(['a.b', ['a', 'b']], (path) => {
            assert.strictEqual(result(value, path), 1);
        });
    });
});