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The current isolate tests don't work in drt/dartium because the DOM isolate can't use Isolate.spawnFunction. To avoid this problem, this change makes the affected tests start out by doing an Isolate.spawnUri with their own main file, therevy running the test in a non-DOM isolate. The test results are propagated back to the original isolate. I haven't been able to test dartium yet. I might be missing Selenium. BUG= http://dartbug.com/14626 R=floitsch@google.com Review URL: https://codereview.chromium.org//70103014 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@30610 260f80e4-7a28-3924-810f-c04153c831b5
135 lines
3.8 KiB
Dart
135 lines
3.8 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Helper functions and classes for running a set of unittests in a
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// remote isolate.
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// Used to test Isolate.spawn because dartium/drt does not allow it in the DOM
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// isolate.
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import "dart:isolate";
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import "package:unittest/unittest.dart";
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@MirrorsUsed(symbols: "main", targets: "main", override: "*")
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import "dart:mirrors";
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/**
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* Use this function at the beginning of the main method:
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*
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* void main([args, port]) {
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* if (testRemote(main, port)) return;
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* // the usual test.
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* }
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*
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* Remember to import unittest using the URI `package:inittest/unittest.dart`.
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* Otherwise it won't be sharing the `unittestConfiguration` with this library,
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* and the override set below won't work.
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*
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* Returns `true` if the tests are being run remotely, and
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* `false` if the tests should be run locally.
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*/
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bool testRemote(Function main, SendPort port) {
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if (port != null) {
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unittestConfiguration = new RemoteConfiguration(port);
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return false;
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}
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var testResponses = new Map<String, List>();
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ClosureMirror closure = reflect(main);
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LibraryMirror library = closure.function.owner;
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var receivePort = new ReceivePort();
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void remoteAction(message) {
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switch (message[0]) {
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case "testStart":
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String name = message[1];
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testResponses[name] = null;
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break;
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case "testResult":
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case "testResultChanged":
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String name = message[1];
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testResponses[name] = message;
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break;
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case "logMessage":
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break; // Ignore.
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case "summary":
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throw message[1]; // Uncaught error.
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case "done":
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receivePort.close();
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_simulateTests(testResponses);
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break;
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}
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}
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try {
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Isolate.spawnUri(library.uri, null, receivePort.sendPort);
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receivePort.listen(remoteAction);
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return true;
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} catch (e) {
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// spawnUri is only supported by dart2js if web workers are available.
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// If the spawnUri fails, run the tests locally instead, since we are
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// not in a browser anyway.
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//
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// That is, we assume that either Isolate.spawn or Isolate.spawnUri must
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// work, so if spawnUri doesn't work, we can run the tests directly.
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receivePort.close();
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return false;
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}
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}
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class RemoteConfiguration implements Configuration {
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final SendPort _port;
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Duration timeout = const Duration(minutes: 2);
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RemoteConfiguration(this._port);
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bool get autoStart => true;
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void onInit() { }
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void onStart() { }
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void onTestStart(TestCase testCase) {
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_port.send(["testStart", testCase.description]);
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}
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void onTestResult(TestCase testCase) {
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_port.send(["testResult", testCase.description,
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testCase.result, testCase.message]);
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}
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void onTestResultChanged(TestCase testCase) {
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_port.send(["testResultChanged", testCase.description,
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testCase.result, testCase.message]);
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}
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void onLogMessage(TestCase testCase, String message) {
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_port.send(["logMessage", testCase.description, message]);
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}
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void onDone(bool success) {
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_port.send(["done", success]);
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}
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void onSummary(int passed, int failed, int errors, List<TestCase> results,
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String uncaughtError) {
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if (uncaughtError != null) {
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_port.send(["summary", uncaughtError]);
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}
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}
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}
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void _simulateTests(Map<String, List> responses) {
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// Start all unit tests in the same event.
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responses.forEach((name, response) {
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test(name, () {
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var result = response[2];
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var message = response[3];
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if (result == FAIL) {
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fail(message);
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} else if (result == ERROR) {
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throw message;
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}
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});
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});
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}
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