Add observatory_pub_packages snapshot to third_party

observatory_pub_packages/unittest/html_config.dart

+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+/// A simple unit test library for running tests in a browser.
+library unittest.html_config;
+
+import 'dart:async';
+import 'dart:convert';
+import 'dart:html';
+import 'dart:js' as js;
+import 'unittest.dart';
+
+/// Creates a table showing tests results in HTML.
+void _showResultsInPage(int passed, int failed, int errors,
+    List<TestCase> results, bool isLayoutTest, String uncaughtError) {
+  if (isLayoutTest && (passed == results.length) && uncaughtError == null) {
+    document.body.innerHtml = "PASS";
+  } else {
+    var newBody = new StringBuffer();
+    newBody.write("<table class='unittest-table'><tbody>");
+    newBody.write(passed == results.length && uncaughtError == null
+        ? "<tr><td colspan='3' class='unittest-pass'>PASS</td></tr>"
+        : "<tr><td colspan='3' class='unittest-fail'>FAIL</td></tr>");
+
+    for (final test_ in results) {
+      newBody.write(_toHtml(test_));
+    }
+
+    if (uncaughtError != null) {
+      newBody.write('''<tr>
+          <td>--</td>
+          <td class="unittest-error">ERROR</td>
+          <td>Uncaught error: $uncaughtError</td>
+        </tr>''');
+    }
+
+    if (passed == results.length && uncaughtError == null) {
+      newBody.write("""
+          <tr><td colspan='3' class='unittest-pass'>
+            All ${passed} tests passed
+          </td></tr>""");
+    } else {
+      newBody.write("""
+          <tr><td colspan='3'>Total
+            <span class='unittest-pass'>${passed} passed</span>,
+            <span class='unittest-fail'>${failed} failed</span>
+            <span class='unittest-error'>
+            ${errors + (uncaughtError == null ? 0 : 1)} errors</span>
+          </td></tr>""");
+    }
+    newBody.write("</tbody></table>");
+    document.body.innerHtml = newBody.toString();
+
+    window.onHashChange.listen((_) {
+      // Location may change from individual tests setting the hash tag.
+      if (window.location.hash != null &&
+          window.location.hash.contains('testFilter')) {
+        window.location.reload();
+      }
+    });
+  }
+}
+
+String _toHtml(TestCase test_) {
+  if (!test_.isComplete) {
+    return '''
+        <tr>
+          <td>${test_.id}</td>
+          <td class="unittest-error">NO STATUS</td>
+          <td>Test did not complete</td>
+        </tr>''';
+  }
+
+  var html = '''
+      <tr>
+        <td>${test_.id}</td>
+        <td class="unittest-${test_.result}">${test_.result.toUpperCase()}</td>
+        <td>Expectation: <a href="#testFilter=${test_.description}">${test_.description}</a>. ${HTML_ESCAPE.convert(test_.message)}</td>
+      </tr>''';
+
+  if (test_.stackTrace != null) {
+    html = '$html<tr><td></td><td colspan="2"><pre>' +
+        HTML_ESCAPE.convert(test_.stackTrace.toString()) +
+        '</pre></td></tr>';
+  }
+
+  return html;
+}
+
+class HtmlConfiguration extends SimpleConfiguration {
+  /// Whether this is run within dartium layout tests.
+  final bool _isLayoutTest;
+  HtmlConfiguration(this._isLayoutTest);
+
+  StreamSubscription<Event> _onErrorSubscription;
+  StreamSubscription<Event> _onMessageSubscription;
+
+  void _installHandlers() {
+    if (_onErrorSubscription == null) {
+      _onErrorSubscription = window.onError.listen(
+        (e) {
+          // Some tests may expect this and have no way to suppress the error.
+          if (js.context['testExpectsGlobalError'] != true) {
+            handleExternalError(e, '(DOM callback has errors)');
+          }
+        });
+    }
+    if (_onMessageSubscription == null) {
+      _onMessageSubscription = window.onMessage.listen(
+        (e) => processMessage(e));
+    }
+  }
+
+  void _uninstallHandlers() {
+    if (_onErrorSubscription != null) {
+      _onErrorSubscription.cancel();
+      _onErrorSubscription = null;
+    }
+    if (_onMessageSubscription != null) {
+      _onMessageSubscription.cancel();
+      _onMessageSubscription = null;
+    }
+  }
+
+  void processMessage(e) {
+    if ('unittest-suite-external-error' == e.data) {
+      handleExternalError('<unknown>', '(external error detected)');
+    }
+  }
+
+  void onInit() {
+    // For Dart internal tests, we want to turn off stack frame
+    // filtering, which we do with this meta-header.
+    var meta = querySelector('meta[name="dart.unittest"]');
+    filterStacks = meta == null ? true :
+        !meta.content.contains('full-stack-traces');
+    _installHandlers();
+    window.postMessage('unittest-suite-wait-for-done', '*');
+  }
+
+  void onStart() {
+    // If the URL has a #testFilter=testName then filter tests to that.
+    // This is used to make it easy to run a single test- but is only intended
+    // for interactive debugging scenarios.
+    var hash = window.location.hash;
+    if (hash != null && hash.length > 1) {
+      var params = hash.substring(1).split('&');
+      for (var param in params) {
+        var parts = param.split('=');
+        if (parts.length == 2 && parts[0] == 'testFilter') {
+          filterTests('^${parts[1]}');
+        }
+      }
+    }
+    super.onStart();
+  }
+
+  void onSummary(int passed, int failed, int errors, List<TestCase> results,
+      String uncaughtError) {
+    _showResultsInPage(passed, failed, errors, results, _isLayoutTest,
+        uncaughtError);
+  }
+
+  void onDone(bool success) {
+    _uninstallHandlers();
+    window.postMessage('unittest-suite-done', '*');
+  }
+}
+
+void useHtmlConfiguration([bool isLayoutTest = false]) {
+  unittestConfiguration = isLayoutTest ? _singletonLayout : _singletonNotLayout;
+}
+
+final _singletonLayout = new HtmlConfiguration(true);
+final _singletonNotLayout = new HtmlConfiguration(false);