ambari/ambari-web/test/utils/updater_test.js

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

var App = require('app');

describe('utils/updater', function() {
  describe('#App.updater', function() {
    beforeEach(function() {
      this.clock = sinon.useFakeTimers();
    });

    var tests = {
      t1: {
        obj: Em.Object.create({
          method: sinon.spy(),
          isWorking: true
        }),
        m: 'method called once with default interval in 15 000 ms'
      },
      t2: {
        obj: Em.Object.create({
          method: function() {}
        }),
        m: 'should return false if key name is invalid or absent'
      },
      t3: {
        obj: Em.Object.create({
          method2: sinon.spy(),
          isWorking: true
        }),
        m: 'method should be called immediately'
      },
      t4: {
        obj: Em.Object.create({
          method3: sinon.spy(),
          isWorking: true
        }),
        m: 'method call should be ignored if `isWorking` set to false'
      }
    };

    it(tests.t1.m, function() {
      App.updater.run(tests.t1.obj, 'method', 'isWorking');
      this.clock.tick(15000);
      expect(tests.t1.obj.method.called).to.be.ok;
    });

    it(tests.t2.m, function() {
      var methodCall = App.updater.run(tests.t2.obj, 'method', 'isWorking');
      expect(methodCall).to.be.false;
    });

    it(tests.t3.m, function() {
      App.updater.run(tests.t3.obj, 'method2', 'isWorking');
      App.updater.immediateRun('method2');
      expect(tests.t3.obj.method2.called).to.be.ok;
    });

    it(tests.t4.m, function() {
      App.updater.run(tests.t4.obj, 'method3', 'isWorking');
      this.clock.tick(10000);
      tests.t4.obj.set('isWorking', false);
      this.clock.tick(5000);
      expect(tests.t4.obj.method3.called).to.be.false;
    });


    afterEach(function() {
      this.clock.restore();
    });
  });
});