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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 /// A simple unit test library for running tests in a browser. |
| 6 library unittest.html_config; |
| 7 |
| 8 import 'dart:async'; |
| 9 import 'dart:convert'; |
| 10 import 'dart:html'; |
| 11 import 'dart:js' as js; |
| 12 import 'unittest.dart'; |
| 13 |
| 14 /// Creates a table showing tests results in HTML. |
| 15 void _showResultsInPage(int passed, int failed, int errors, |
| 16 List<TestCase> results, bool isLayoutTest, String uncaughtError) { |
| 17 if (isLayoutTest && (passed == results.length) && uncaughtError == null) { |
| 18 document.body.innerHtml = "PASS"; |
| 19 } else { |
| 20 var newBody = new StringBuffer(); |
| 21 newBody.write("<table class='unittest-table'><tbody>"); |
| 22 newBody.write(passed == results.length && uncaughtError == null |
| 23 ? "<tr><td colspan='3' class='unittest-pass'>PASS</td></tr>" |
| 24 : "<tr><td colspan='3' class='unittest-fail'>FAIL</td></tr>"); |
| 25 |
| 26 for (final test_ in results) { |
| 27 newBody.write(_toHtml(test_)); |
| 28 } |
| 29 |
| 30 if (uncaughtError != null) { |
| 31 newBody.write('''<tr> |
| 32 <td>--</td> |
| 33 <td class="unittest-error">ERROR</td> |
| 34 <td>Uncaught error: $uncaughtError</td> |
| 35 </tr>'''); |
| 36 } |
| 37 |
| 38 if (passed == results.length && uncaughtError == null) { |
| 39 newBody.write(""" |
| 40 <tr><td colspan='3' class='unittest-pass'> |
| 41 All ${passed} tests passed |
| 42 </td></tr>"""); |
| 43 } else { |
| 44 newBody.write(""" |
| 45 <tr><td colspan='3'>Total |
| 46 <span class='unittest-pass'>${passed} passed</span>, |
| 47 <span class='unittest-fail'>${failed} failed</span> |
| 48 <span class='unittest-error'> |
| 49 ${errors + (uncaughtError == null ? 0 : 1)} errors</span> |
| 50 </td></tr>"""); |
| 51 } |
| 52 newBody.write("</tbody></table>"); |
| 53 document.body.innerHtml = newBody.toString(); |
| 54 |
| 55 window.onHashChange.listen((_) { |
| 56 // Location may change from individual tests setting the hash tag. |
| 57 if (window.location.hash != null && |
| 58 window.location.hash.contains('testFilter')) { |
| 59 window.location.reload(); |
| 60 } |
| 61 }); |
| 62 } |
| 63 } |
| 64 |
| 65 String _toHtml(TestCase testCase) { |
| 66 if (!testCase.isComplete) { |
| 67 return ''' |
| 68 <tr> |
| 69 <td>${testCase.id}</td> |
| 70 <td class="unittest-error">NO STATUS</td> |
| 71 <td>Test did not complete</td> |
| 72 </tr>'''; |
| 73 } |
| 74 |
| 75 var html = ''' |
| 76 <tr> |
| 77 <td>${testCase.id}</td> |
| 78 <td class="unittest-${testCase.result}"> |
| 79 ${testCase.result.toUpperCase()} |
| 80 </td> |
| 81 <td> |
| 82 <p>Expectation: |
| 83 <a href="#testFilter=${testCase.description}"> |
| 84 ${testCase.description} |
| 85 </a>. |
| 86 </p> |
| 87 <pre>${HTML_ESCAPE.convert(testCase.message)}</pre> |
| 88 </td> |
| 89 </tr>'''; |
| 90 |
| 91 if (testCase.stackTrace != null) { |
| 92 html = '$html<tr><td></td><td colspan="2"><pre>' + |
| 93 HTML_ESCAPE.convert(testCase.stackTrace.toString()) + |
| 94 '</pre></td></tr>'; |
| 95 } |
| 96 |
| 97 return html; |
| 98 } |
| 99 |
| 100 class HtmlConfiguration extends SimpleConfiguration { |
| 101 /// Whether this is run within dartium layout tests. |
| 102 final bool _isLayoutTest; |
| 103 HtmlConfiguration(this._isLayoutTest); |
| 104 |
| 105 StreamSubscription<Event> _onErrorSubscription; |
| 106 StreamSubscription<Event> _onMessageSubscription; |
| 107 |
| 108 void _installHandlers() { |
| 109 if (_onErrorSubscription == null) { |
| 110 _onErrorSubscription = window.onError.listen((e) { |
| 111 // Some tests may expect this and have no way to suppress the error. |
| 112 if (js.context['testExpectsGlobalError'] != true) { |
| 113 handleExternalError(e, '(DOM callback has errors)'); |
| 114 } |
| 115 }); |
| 116 } |
| 117 if (_onMessageSubscription == null) { |
| 118 _onMessageSubscription = |
| 119 window.onMessage.listen((e) => processMessage(e)); |
| 120 } |
| 121 } |
| 122 |
| 123 void _uninstallHandlers() { |
| 124 if (_onErrorSubscription != null) { |
| 125 _onErrorSubscription.cancel(); |
| 126 _onErrorSubscription = null; |
| 127 } |
| 128 if (_onMessageSubscription != null) { |
| 129 _onMessageSubscription.cancel(); |
| 130 _onMessageSubscription = null; |
| 131 } |
| 132 } |
| 133 |
| 134 void processMessage(e) { |
| 135 if ('unittest-suite-external-error' == e.data) { |
| 136 handleExternalError('<unknown>', '(external error detected)'); |
| 137 } |
| 138 } |
| 139 |
| 140 void onInit() { |
| 141 // For Dart internal tests, we want to turn off stack frame |
| 142 // filtering, which we do with this meta-header. |
| 143 var meta = querySelector('meta[name="dart.unittest"]'); |
| 144 filterStacks = |
| 145 meta == null ? true : !meta.content.contains('full-stack-traces'); |
| 146 _installHandlers(); |
| 147 window.postMessage('unittest-suite-wait-for-done', '*'); |
| 148 } |
| 149 |
| 150 void onStart() { |
| 151 // If the URL has a #testFilter=testName then filter tests to that. |
| 152 // This is used to make it easy to run a single test- but is only intended |
| 153 // for interactive debugging scenarios. |
| 154 var hash = window.location.hash; |
| 155 if (hash != null && hash.length > 1) { |
| 156 var params = hash.substring(1).split('&'); |
| 157 for (var param in params) { |
| 158 var parts = param.split('='); |
| 159 if (parts.length == 2 && parts[0] == 'testFilter') { |
| 160 filterTests('^${parts[1]}'); |
| 161 } |
| 162 } |
| 163 } |
| 164 super.onStart(); |
| 165 } |
| 166 |
| 167 void onSummary(int passed, int failed, int errors, List<TestCase> results, |
| 168 String uncaughtError) { |
| 169 _showResultsInPage( |
| 170 passed, failed, errors, results, _isLayoutTest, uncaughtError); |
| 171 } |
| 172 |
| 173 void onDone(bool success) { |
| 174 _uninstallHandlers(); |
| 175 window.postMessage('unittest-suite-done', '*'); |
| 176 } |
| 177 } |
| 178 |
| 179 void useHtmlConfiguration([bool isLayoutTest = false]) { |
| 180 unittestConfiguration = isLayoutTest ? _singletonLayout : _singletonNotLayout; |
| 181 } |
| 182 |
| 183 final _singletonLayout = new HtmlConfiguration(true); |
| 184 final _singletonNotLayout = new HtmlConfiguration(false); |
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