test/spec/ProcessLogSpec.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 process_log.js.
 */

describe('ProcessLog', function() {
  var doc;
  var managerDiv;

  beforeEach((function() {
    doc = document;
    managerDiv = doc.createElement('div');
    managerDiv.className = 'managers';
    var fileInput = document.createElement('input');
    fileInput.type = 'file';
    fileInput.id = 'file_name';
    managerDiv.appendChild(fileInput);
    doc.body.appendChild(managerDiv);
  }));

  afterEach((function() {
    managerDiv.parentNode.removeChild(managerDiv);
    doc = null;
    managerDiv = null;
  }));

  it('should properly clean up when a new file is selected', function() {
    var checkDiv;
    var child1 = doc.createElement('h2');
    managerDiv.appendChild(child1);
    checkDiv = document.getElementsByClassName('managers');
    expect(checkDiv[0].childNodes.length).toBe(2);

    cleanupForNewFile();
    checkDiv = document.getElementsByClassName('managers');
    expect(checkDiv[0].hasChildNodes()).toBe(false);
  });

  it('should not process a log when a file is not selected', function() {
    var readFileSpy = jasmine.createSpy('readFile');
    parseFile();
    expect(readFileSpy.calls.any()).toEqual(false);
  });
});