import assert from 'assert';
import { stubTrue } from './utils.js';
import pickBy from '../pickBy.js';

describe('pickBy', function() {
  it('should work with a predicate argument', function() {
    var object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 };

    var actual = pickBy(object, function(n) {
      return n == 1 || n == 3;
    });

    assert.deepStrictEqual(actual, { 'a': 1, 'c': 3 });
  });

  it('should not treat keys with dots as deep paths', function() {
    var object = { 'a.b.c': 1 },
        actual = pickBy(object, stubTrue);

    assert.deepStrictEqual(actual, { 'a.b.c': 1 });
  });
});