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accessibility-developer-tools

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This is a library of accessibility-related testing and utility code.

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// Copyright 2008 The Closure Library Authors. All Rights Reserved. // // Licensed 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. goog.provide('goog.format.HtmlPrettyPrinterTest'); goog.setTestOnly('goog.format.HtmlPrettyPrinterTest'); goog.require('goog.format.HtmlPrettyPrinter'); goog.require('goog.testing.MockClock'); goog.require('goog.testing.jsunit'); var COMPLEX_HTML = '<!DOCTYPE root-element [SYSTEM OR PUBLIC FPI] "uri" [' + '<!-- internal declarations -->]>' + '<html><head><title>My HTML</title><!-- my comment --></head>' + '<script> if(i<0)\nfoo; </script>' + '<body><h1>My Header</h1>My text.<br><b>My bold text.</b><hr>' + '<pre>My\npreformatted <br> HTML.</pre>5 < 10</body>' + '</html>'; var mockClock; var mockClockTicks; function setUp() { mockClockTicks = 0; mockClock = new goog.testing.MockClock(); mockClock.getCurrentTime = function() { return mockClockTicks++; }; mockClock.install(); } function tearDown() { if (mockClock) { mockClock.uninstall(); } } function testSimpleHtml() { var actual = goog.format.HtmlPrettyPrinter.format('<br><b>bold</b>'); assertEquals('<br>\n<b>bold</b>\n', actual); assertEquals(actual, goog.format.HtmlPrettyPrinter.format(actual)); } function testSimpleHtmlMixedCase() { var actual = goog.format.HtmlPrettyPrinter.format('<BR><b>bold</b>'); assertEquals('<BR>\n<b>bold</b>\n', actual); assertEquals(actual, goog.format.HtmlPrettyPrinter.format(actual)); } function testComplexHtml() { var actual = goog.format.HtmlPrettyPrinter.format(COMPLEX_HTML); var expected = '<!DOCTYPE root-element [SYSTEM OR PUBLIC FPI] "uri" [' + '<!-- internal declarations -->]>\n' + '<html>\n' + '<head>\n' + '<title>My HTML</title>\n' + '<!-- my comment -->' + '</head>\n' + '<script> if(i<0)\nfoo; </script>\n' + '<body>\n' + '<h1>My Header</h1>\n' + 'My text.<br>\n' + '<b>My bold text.</b>\n' + '<hr>\n' + '<pre>My\npreformatted <br> HTML.</pre>\n' + '5 < 10' + '</body>\n' + '</html>\n'; assertEquals(expected, actual); assertEquals(actual, goog.format.HtmlPrettyPrinter.format(actual)); } function testTimeout() { var pp = new goog.format.HtmlPrettyPrinter(3); var actual = pp.format(COMPLEX_HTML); var expected = '<!DOCTYPE root-element [SYSTEM OR PUBLIC FPI] "uri" [' + '<!-- internal declarations -->]>\n' + '<html>\n' + '<head><title>My HTML</title><!-- my comment --></head>' + '<script> if(i<0)\nfoo; </script>' + '<body><h1>My Header</h1>My text.<br><b>My bold text.</b><hr>' + '<pre>My\npreformatted <br> HTML.</pre>5 < 10</body>' + '</html>\n'; assertEquals(expected, actual); } function testKeepLeadingIndent() { var original = ' <b>Bold</b> <i>Ital</i> '; var expected = ' <b>Bold</b> <i>Ital</i>\n'; assertEquals(expected, goog.format.HtmlPrettyPrinter.format(original)); } function testTrimLeadingLineBreaks() { var original = '\n \t\r\n \n <b>Bold</b> <i>Ital</i> '; var expected = ' <b>Bold</b> <i>Ital</i>\n'; assertEquals(expected, goog.format.HtmlPrettyPrinter.format(original)); } function testExtraLines() { var original = '<br>\ntombrat'; assertEquals(original + '\n', goog.format.HtmlPrettyPrinter.format(original)); } function testCrlf() { var original = '<br>\r\none\r\ntwo<br>'; assertEquals(original + '\n', goog.format.HtmlPrettyPrinter.format(original)); } function testEndInLineBreak() { assertEquals('foo\n', goog.format.HtmlPrettyPrinter.format('foo')); assertEquals('foo\n', goog.format.HtmlPrettyPrinter.format('foo\n')); assertEquals('foo\n', goog.format.HtmlPrettyPrinter.format('foo\n\n')); assertEquals('foo<br>\n', goog.format.HtmlPrettyPrinter.format('foo<br>')); assertEquals('foo<br>\n', goog.format.HtmlPrettyPrinter.format('foo<br>\n')); } function testTable() { var original = '<table>' + '<tr><td>one.one</td><td>one.two</td></tr>' + '<tr><td>two.one</td><td>two.two</td></tr>' + '</table>'; var expected = '<table>\n' + '<tr>\n<td>one.one</td>\n<td>one.two</td>\n</tr>\n' + '<tr>\n<td>two.one</td>\n<td>two.two</td>\n</tr>\n' + '</table>\n'; assertEquals(expected, goog.format.HtmlPrettyPrinter.format(original)); } /** * We have a sanity check in HtmlPrettyPrinter to make sure the regex index * advances after every match. We should never hit this, but we include it on * the chance there is some corner case where the pattern would match but not * process a new token. It's not generally a good idea to break the * implementation to test behavior, but this is the easiest way to mimic a * bad internal state. */ function testRegexMakesProgress() { var original = goog.format.HtmlPrettyPrinter.TOKEN_REGEX_; try { // This regex matches \B, an index between 2 word characters, so the regex // index does not advance when matching this. goog.format.HtmlPrettyPrinter.TOKEN_REGEX_ = /(?:\B|<!--.*?-->|<!.*?>|<(\/?)(\w+)[^>]*>|[^<]+|<)/g; // It would work on this string. assertEquals('f o o\n', goog.format.HtmlPrettyPrinter.format('f o o')); // But not this one. var ex = assertThrows( 'should have failed for invalid regex - endless loop', goog.partial(goog.format.HtmlPrettyPrinter.format, COMPLEX_HTML)); assertEquals( 'Regex failed to make progress through source html.', ex.message); } finally { goog.format.HtmlPrettyPrinter.TOKEN_REGEX_ = original; } } /** * FF3.0 doesn't like \n between <code></li></code> and <code></ul></code>. * See b/1520665. */ function testLists() { var original = '<ul><li>one</li><ul><li>two</li></UL><li>three</li></ul>'; var expected = '<ul><li>one</li>\n<ul><li>two</li></UL>\n<li>three</li></ul>\n'; assertEquals(expected, goog.format.HtmlPrettyPrinter.format(original)); } /** * We have a sanity check in HtmlPrettyPrinter to make sure the regex fully * tokenizes the string. We should never hit this, but we include it on the * chance there is some corner case where the pattern would miss a section of * original string. It's not generally a good idea to break the * implementation to test behavior, but this is the easiest way to mimic a * bad internal state. */ function testAvoidDataLoss() { var original = goog.format.HtmlPrettyPrinter.TOKEN_REGEX_; try { // This regex does not match stranded '<' characters, so does not fully // tokenize the string. goog.format.HtmlPrettyPrinter.TOKEN_REGEX_ = /(?:<!--.*?-->|<!.*?>|<(\/?)(\w+)[^>]*>|[^<]+)/g; // It would work on this string. assertEquals('foo\n', goog.format.HtmlPrettyPrinter.format('foo')); // But not this one. var ex = assertThrows( 'should have failed for invalid regex - data loss', goog.partial(goog.format.HtmlPrettyPrinter.format, COMPLEX_HTML)); assertEquals('Lost data pretty printing html.', ex.message); } finally { goog.format.HtmlPrettyPrinter.TOKEN_REGEX_ = original; } }