test/spec/ServiceSpec.js

// Copyright 2015 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/**
 * @fileoverview Jasmine test file for service.js
 */

describe('Service', function() {
  var testService;

  beforeEach(function() {
    testService = new Service('0');
  });

  it('should create a new service instance', function() {
    expect(testService.serviceId).toMatch('0');
    expect(testService.states.length).toEqual(0);
    expect(testService.isActive).toBe(false);
    expect(testService.connections).toEqual(0);
  });

  it('should be able to add a state update', function() {
    var update1 = {state: 'Online', time: '2015-01-06T23:51:38.757505-08:00' };
    testService.addUpdate(update1);
    expect(testService.states.length).toEqual(1);
    expect(testService.isActive).toBe(true);
    expect(testService.connections).toEqual(0);
  });

  it('should distinguish between types of state updates', function() {
    var update1 = {state: 'Idle', time: '2015-01-06T23:51:38.757505-08:00' };
    var update2 = {state: 'Associating',
                   time: '2015-01-06T23:51:39.757505-08:00' };
    var update3 = {state: 'Online', time: '2015-01-06T23:51:40.757505-08:00' };
    var update4 = {state: 'Associating',
                   time: '2015-01-06T23:51:41.757505-08:00' };

    testService.addUpdate(update1);
    expect(testService.states.length).toEqual(1);
    expect(testService.isActive).toBe(false);
    expect(testService.connections).toEqual(0);

    testService.addUpdate(update2);
    expect(testService.states.length).toEqual(2);
    expect(testService.isActive).toBe(true);
    expect(testService.connections).toEqual(1);

    testService.addUpdate(update3);
    testService.addUpdate(update4);
    expect(testService.states.length).toEqual(4);
    expect(testService.isActive).toBe(true);
    expect(testService.connections).toEqual(2);
  });

  it('should properly update the number of connection attempts', function() {
    var update1 = {state: 'Associating',
                   time: '2015-01-06T23:51:38.757505-08:00' };
    var update2 = {state: 'Connected',
                   time: '2015-01-06T23:51:39.757505-08:00' };
    var update3 = {state: 'Online', time: '2015-01-06T23:51:40.757505-08:00' };
    var update4 = {state: 'Associating',
                   time: '2015-01-06T23:51:41.757505-08:00' };

    testService.addUpdate(update1);
    expect(testService.states.length).toEqual(1);
    expect(testService.isActive).toBe(true);
    expect(testService.connections).toEqual(1);

    testService.addUpdate(update2);
    expect(testService.states.length).toEqual(2);
    expect(testService.isActive).toBe(true);
    expect(testService.connections).toEqual(1);

    testService.addUpdate(update3);
    testService.addUpdate(update4);
    expect(testService.states.length).toEqual(4);
    expect(testService.isActive).toBe(true);
    expect(testService.connections).toEqual(2);
  });

  it('should return the current update when requested', function() {
    var currentUpdate = testService.getCurrentUpdate();
    expect(currentUpdate).toEqual(null);

    var update1 = {state: 'Online', time: '2015-01-06T23:51:38.757505-08:00' };
    testService.addUpdate(update1);
    expect(testService.getCurrentUpdate()).toEqual(update1);
  });
});