import assert from 'assert';
import lodashStable from 'lodash';
import partialRight from '../partialRight.js';
import mergeWith from '../mergeWith.js';

describe('partialRight', function() {
  it('should work as a deep `_.defaults`', function() {
    var object = { 'a': { 'b': 2 } },
        source = { 'a': { 'b': 3, 'c': 3 } },
        expected = { 'a': { 'b': 2, 'c': 3 } };

    var defaultsDeep = partialRight(mergeWith, function deep(value, other) {
      return lodashStable.isObject(value) ? mergeWith(value, other, deep) : value;
    });

    assert.deepStrictEqual(defaultsDeep(object, source), expected);
  });
});