text: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC 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.
  
  /**
   * @fileoverview Utilities for testing {@code bot.dom.getVisibleText}.
   */
  
  goog.require('bot.dom');
  goog.require('goog.array');
  goog.require('goog.dom');
  goog.require('goog.dom.NodeType');
  goog.require('goog.testing.TestCase');
  
  
  function getTestContainer() {
    function createTestContainer() {
      var testContainer = goog.dom.createDom('DIV', {
        id: 'test-container',
        style: 'border: 1px dotted silver'
      }, goog.dom.createDom('DIV', {
        style: 'font-weight:bold;' +
            'text-decoration:underline;' +
            'font-style:italic;' +
            'margin: 0.5em'
      }, 'Test Container'));
      document.body.appendChild(testContainer);
      return testContainer;
    }
  
    return goog.dom.getElement('test-container') || createTestContainer();
  }
  
  
  /**
   * Verifies that the visible text for the test DOM structure.
   * @param {!Element} element The element to check the text of.
   * @param {...string} var_args Variadic args for the expected lines
   *     of visible text.
   */
  function assertTextIs(element, var_args) {
    if (!element.parentNode ||
        // IE sets the parentNode of unattached elements to a document fragment.
        element.parentNode.nodeType != goog.dom.NodeType.ELEMENT) {
      var testContainer = getTestContainer();
      testContainer.appendChild(createTestDom(element));
    }
  
    var expected = goog.array.slice(arguments, 1).join('\n');
    var actual = bot.dom.getVisibleText(element);
  
    assertEquals(
        'Expected: ' + escapeText(expected) +
        '\n but was: ' + escapeText(actual) +
        '\n raw html:\n' + element.innerHTML +
        '\n------\n',
        expected, actual);
  
    function createTestDom(element) {
      return goog.dom.createDom('div', {'style': 'width: 25em;'},
          goog.dom.createDom('div',
              {'style': [
                'margin: 0 0.5em;',
                'padding: 0;',
                'font-style: italic;',
                'color: gray;'
              ].join('')},
              goog.testing.TestCase.currentTestName),
          goog.dom.createDom('div', {
            'style': 'margin-bottom: 0.5em'
          }, element));
    }
  
    function escapeText(text) {
      return text.replace(/\n/g, '\\n');//.replace(/\s/g, '\\s');
    }
  }
  