Stop running pub get at gclient sync time and fix build bugs

mojo/public/dart/third_party/unittest/lib/src/simple_configuration.dart

Index: mojo/public/dart/third_party/unittest/lib/src/simple_configuration.dart
diff --git a/mojo/public/dart/third_party/unittest/lib/src/simple_configuration.dart b/mojo/public/dart/third_party/unittest/lib/src/simple_configuration.dart
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+// 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.
+
+library unittest.simple_configuration;
+
+import 'dart:isolate';
+
+import 'matcher.dart'
+    show DefaultFailureHandler, configureExpectFailureHandler, TestFailure;
+
+import '../unittest.dart';
+import 'internal_test_case.dart';
+import 'utils.dart';
+
+// A custom failure handler for [expect] that routes failures to the
+// [SimpleConfiguration].
+class _ExpectFailureHandler extends DefaultFailureHandler {
+  final SimpleConfiguration _config;
+
+  _ExpectFailureHandler(this._config);
+
+  void fail(String reason) {
+    _config.onExpectFailure(reason);
+  }
+}
+
+/// A configuration that provides hooks to configure the unittest library for
+/// different platforms.
+///
+/// This class implements the [Configuration] API in a platform-independent way.
+/// Tests that want to take advantage of the platform can create a subclass and
+/// override methods from this class.
+class SimpleConfiguration extends Configuration {
+  /// A port that keeps the VM alive while we wait for asynchronous tests to
+  /// finish.
+  ///
+  /// The VM won't shut down as long as there's an open receive port.
+  ReceivePort _receivePort;
+
+  /// The name of the configuration.
+  ///
+  /// Subclasses can override this with something useful for diagnostics. It's
+  /// particularly useful for parent/child configurations such as layout tests.
+  final name = 'Configuration';
+
+  /// If true (the default), throw an exception once all tests have run if any failed.
+  bool throwOnTestFailures = true;
+
+  /// If true (the default), then tests will stop after the first failed
+  /// [expect].
+  ///
+  /// If false, failed [expect]s will not cause the test to stop. Other
+  /// exceptions will still terminate the test.
+  bool stopTestOnExpectFailure = true;
+
+  // If [stopTestOnExpectFailure] is false, the list of failed [expect]s.
+  final _testLogBuffer = <Pair<String, StackTrace>>[];
+
+  /// The constructor sets up a failure handler for [expect] that redirects
+  /// [expect] failures to [onExpectFailure].
+  SimpleConfiguration() : super.blank() {
+    configureExpectFailureHandler(new _ExpectFailureHandler(this));
+  }
+
+  void onInit() {
+    // For Dart internal tests, we don't want stack frame filtering.
+    // We turn it off here in the default config, but by default turn
+    // it back on in the vm and html configs.
+    filterStacks = false;
+    _receivePort = new ReceivePort();
+    _postMessage('unittest-suite-wait-for-done');
+  }
+
+  /// Called when a test starts.
+  ///
+  /// Derived classes should call this first before their own override code.
+  void onTestStart(TestCase testCase) => _testLogBuffer.clear();
+
+  /// Called when a test completes.
+  ///
+  /// Derived classes should call this first before their own override code.
+  void onTestResult(TestCase externalTestCase) {
+    if (stopTestOnExpectFailure || _testLogBuffer.isEmpty) return;
+
+    var testCase = externalTestCase as InternalTestCase;
+
+    // Write the message/stack pairs up to the last pairs.
+    var reason = new StringBuffer();
+    for (var reasonAndTrace in _testLogBuffer.take(_testLogBuffer.length - 1)) {
+      reason.write(reasonAndTrace.first);
+      reason.write('\n');
+      reason.write(reasonAndTrace.last);
+      reason.write('\n');
+    }
+
+    var lastReasonAndTrace = _testLogBuffer.last;
+    // Write the last message.
+    reason.write(lastReasonAndTrace.first);
+    if (testCase.result == PASS) {
+      testCase.result = FAIL;
+      testCase.message = reason.toString();
+      // Use the last stack as the overall failure stack.
+      testCase.stackTrace = lastReasonAndTrace.last;
+    } else {
+      // Add the last stack to the message; we have a further stack
+      // caused by some other failure.
+      reason.write(lastReasonAndTrace.last);
+      reason.write('\n');
+      // Add the existing reason to the end of the expect log to
+      // create the final message.
+      testCase.message = '${reason.toString()}\n${testCase.message}';
+    }
+  }
+
+  /// Handles the logging of messages by a test case.
+  ///
+  /// The default in this base configuration is to call [print].
+  void onLogMessage(TestCase testCase, String message) {
+    print(message);
+  }
+
+  /// Handles failures from [expect].
+  ///
+  /// If [stopTestOnExpectFailure] is true, this throws a [TestFailure].
+  /// Otherwise, this stores the error.
+  void onExpectFailure(String reason) {
+    if (stopTestOnExpectFailure) throw new TestFailure(reason);
+
+    try {
+      throw '';
+    } catch (_, stack) {
+      var trace = getTrace(stack, formatStacks, filterStacks);
+      if (trace == null) trace = stack;
+      _testLogBuffer.add(new Pair<String, StackTrace>(reason, trace));
+    }
+  }
+
+  /// Returns a formatted string description of a test result.
+  String formatResult(TestCase testCase) {
+    var result = new StringBuffer();
+    result.write(testCase.result.toUpperCase());
+    result.write(": ");
+    result.write(testCase.description);
+    result.write("\n");
+
+    if (testCase.message != '') {
+      result.write(indent(testCase.message));
+      result.write("\n");
+    }
+
+    if (testCase.stackTrace != null) {
+      result.write(indent(testCase.stackTrace.toString()));
+      result.write("\n");
+    }
+    return result.toString();
+  }
+
+  /// Called with the result of all test cases.
+  ///
+  /// The default implementation prints the result summary using [print],
+  /// formatted with [formatResult]. Browser tests commonly override this to
+  /// reformat the output.
+  ///
+  /// When [uncaughtError] is not null, it contains an error that occured
+  /// outside of tests (e.g. setting up the test).
+  void onSummary(int passed, int failed, int errors, List<TestCase> results,
+      String uncaughtError) {
+    // Print each test's result.
+    for (var test in results) {
+      print(formatResult(test).trim());
+    }
+
+    // Show the summary.
+    print('');
+
+    if (passed == 0 && failed == 0 && errors == 0 && uncaughtError == null) {
+      print('No tests found.');
+      // This is considered a failure too.
+    } else if (failed == 0 && errors == 0 && uncaughtError == null) {
+      print('All $passed tests passed.');
+    } else {
+      if (uncaughtError != null) {
+        print('Top-level uncaught error: $uncaughtError');
+      }
+      print('$passed PASSED, $failed FAILED, $errors ERRORS');
+    }
+  }
+
+  void onDone(bool success) {
+    if (success) {
+      _postMessage('unittest-suite-success');
+      _receivePort.close();
+    } else {
+      _receivePort.close();
+      if (throwOnTestFailures) {
+        throw new Exception('Some tests failed.');
+      }
+    }
+  }
+
+  void _postMessage(String message) {
+    // In dart2js browser tests, the JavaScript-based test controller
+    // intercepts calls to print and listens for "secret" messages.
+    print(message);
+  }
+}