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// Licensed to the Software Freedom Conservancy (SFC) under one
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// or more contributor license agreements.  See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership.  The SFC licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License.  You may obtain a copy of the License at
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//
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//   http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied.  See the License for the
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// specific language governing permissions and limitations
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// under the License.
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/**
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 * @fileoverview Utilities for testing {@code bot.dom.getVisibleText}.
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 */
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goog.require('bot.dom');
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goog.require('goog.array');
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goog.require('goog.dom');
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goog.require('goog.dom.NodeType');
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goog.require('goog.testing.TestCase');
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function getTestContainer() {
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  function createTestContainer() {
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    var testContainer = goog.dom.createDom('DIV', {
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      id: 'test-container',
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      style: 'border: 1px dotted silver'
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    }, goog.dom.createDom('DIV', {
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      style: 'font-weight:bold;' +
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          'text-decoration:underline;' +
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          'font-style:italic;' +
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          'margin: 0.5em'
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    }, 'Test Container'));
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    document.body.appendChild(testContainer);
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    return testContainer;
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  }
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  return goog.dom.getElement('test-container') || createTestContainer();
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}
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/**
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 * Verifies that the visible text for the test DOM structure.
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 * @param {!Element} element The element to check the text of.
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 * @param {...string} var_args Variadic args for the expected lines
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 *     of visible text.
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 */
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function assertTextIs(element, var_args) {
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  if (!element.parentNode ||
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      // IE sets the parentNode of unattached elements to a document fragment.
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      element.parentNode.nodeType != goog.dom.NodeType.ELEMENT) {
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    var testContainer = getTestContainer();
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    testContainer.appendChild(createTestDom(element));
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  }
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  var expected = goog.array.slice(arguments, 1).join('\n');
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  var actual = bot.dom.getVisibleText(element);
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  assertEquals(
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      'Expected: ' + escapeText(expected) +
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      '\n but was: ' + escapeText(actual) +
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      '\n raw html:\n' + element.innerHTML +
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      '\n------\n',
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      expected, actual);
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  function createTestDom(element) {
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    return goog.dom.createDom('div', {'style': 'width: 25em;'},
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        goog.dom.createDom('div',
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            {'style': [
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              'margin: 0 0.5em;',
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              'padding: 0;',
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              'font-style: italic;',
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              'color: gray;'
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            ].join('')},
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            goog.testing.TestCase.currentTestName),
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        goog.dom.createDom('div', {
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          'style': 'margin-bottom: 0.5em'
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        }, element));
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  }
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  function escapeText(text) {
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    return text.replace(/\n/g, '\\n');//.replace(/\s/g, '\\s');
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  }
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}
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