import assert from 'assert';
import lodashStable from 'lodash';
import { stubB } from './utils.js';
import result from '../result.js';

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

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

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

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

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

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

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