/*
 * Copyright (c) 2016-present Invertase Limited & Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this library except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

describe('database().ref().parent', () => {
  it('returns null when no reference path is provides', () => {
    const ref = firebase.database().ref();
    should.equal(ref.parent, null);
  });

  it('return last token in reference path', () => {
    const ref1 = firebase.database().ref('/foo').parent;
    const ref2 = firebase.database().ref('/foo/bar/baz').parent;
    should.equal(ref1, null);
    ref2.key.should.equal('bar');
  });
});