text: /**
   * Copyright (C) 2019 Yudha Tama Aditiyara
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file 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.
   */
  const assert = require('assert');
  const helper = require('../helper');
  const Observer = require('../../');
  
  describe('Observer#has', () => {
    it('must be work called with (#server)', () => {
      let httpServer = helper.createHttpServer();
      let httpsServer = helper.createHttpsServer();
      let observer = new Observer([
        httpServer,
        httpsServer
      ]);
      assert.ok(observer.has(httpServer));
      assert.ok(observer.has(httpsServer));
    });
  });