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Side by Side Diff: dart/tests/try/web/end_to_end_test.dart

Issue 645513002: Scaffolding for testing incremental compilation. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 2 months ago
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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 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. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 /// Whitebox integration/end-to-end test of Try Dart! site. 5 /// Whitebox integration/end-to-end test of Try Dart! site.
6 /// 6 ///
7 /// This test opens Try Dart! in an iframe. When opened the first time, Try 7 /// This test opens Try Dart! in an iframe. When opened the first time, Try
8 /// Dart! will display a simple hello-world example, color tokens, compile the 8 /// Dart! will display a simple hello-world example, color tokens, compile the
9 /// example, and run the result. We've instrumented Try Dart! to use 9 /// example, and run the result. We've instrumented Try Dart! to use
10 /// window.parent.postMessage when the running program prints anything. So this 10 /// window.parent.postMessage when the running program prints anything. So this
11 /// test just waits for a "Hello, World!" message. 11 /// test just waits for a "Hello, World!" message.
12 library trydart.end_to_end_test; 12 library trydart.end_to_end_test;
13 13
14 import 'dart:html'; 14 import 'dart:html';
15 import 'dart:async';
16 15
17 // TODO(ahe): Remove this import if issue 17936 is fixed. 16 import 'package:async_helper/async_helper.dart' show
18 import 'dart:js' as hack; 17 asyncTest;
19 18
20 import 'package:async_helper/async_helper.dart'; 19 import 'sandbox.dart' show
20 appendIFrame,
21 listener;
21 22
22 void onError(String message, String filename, int lineno, [int colno, error]) { 23 void main() => asyncTest(() {
23 if (filename != null && filename != "" && lineno != 0) { 24 listener.start();
24 if (colno != null && colno != 0) {
25 message = '$filename:$lineno:$colno $message';
26 } else {
27 message = '$filename:$lineno: $message';
28 }
29 }
30 if (error != null) {
31 // See:
32 // https://mikewest.org/2013/08/debugging-runtime-errors-with-window-onerror
33 var stack = error['stack'];
34 if (stack != null) {
35 message += '\n$stack';
36 }
37 }
38 message = "Error occurred in Try Dart iframe: $message";
39 25
40 // Synchronous, easier to read when running the browser manually. 26 // Disable analytics for testing.
41 window.console.log(message);
42
43 new Future(() {
44 // Browsers ignore errors throw in event listeners (or from
45 // window.onerror).
46 throw message;
47 });
48 }
49
50 void installErrorHandlerOn(IFrameElement iframe) {
51 // This method uses dart:js to install an error event handler on the content
52 // window of [iframe]. This is a workaround for http://dartbug.com/17936.
53 var iframeProxy = new hack.JsObject.fromBrowserObject(iframe);
54 var contentWindowProxy = iframeProxy['contentWindow'];
55 if (contentWindowProxy == null) {
56 print('No contentWindow in iframe');
57 throw 'No contentWindow in iframe';
58 }
59
60 // Note: we have two options, use "iframe.contentWindow.onerror = ..." or
61 // "iframe.contentWindow.addEventListener('error', ...)". The former seems
62 // to provide more details on both Chrome and Firefox (which provides no
63 // information at all in error events).
64 contentWindowProxy['onerror'] = onError;
65 }
66
67 void onIframeLoaded(Event event) {
68 installErrorHandlerOn(event.target);
69 }
70
71 void main() {
72 document.cookie = 'org-trydart-AutomatedTest=true;path=/'; 27 document.cookie = 'org-trydart-AutomatedTest=true;path=/';
73 asyncStart();
74 window.onMessage.listen((MessageEvent e) {
75 switch (e.data) {
76 case 'Hello, World!\n':
77 // Clear the DOM to work around a bug in test.dart.
78 document.body.nodes.clear();
79
80 // Clean up after ourselves.
81 window.localStorage.clear();
82
83 asyncEnd();
84 break;
85
86 case 'dart-calling-main':
87 case 'dart-main-done':
88 case 'unittest-suite-done':
89 case 'unittest-suite-fail':
90 case 'unittest-suite-success':
91 case 'unittest-suite-wait-for-done':
92 break;
93
94 default:
95 throw 'Unexpected message: ${e.data}';
96 }
97 });
98 28
99 // Clearing localStorage makes Try Dart! think it is opening for the first 29 // Clearing localStorage makes Try Dart! think it is opening for the first
100 // time. 30 // time.
101 window.localStorage.clear(); 31 window.localStorage.clear();
102 32
103 IFrameElement iframe = new IFrameElement() 33 IFrameElement iframe =
104 ..src = '/root_build/try_dartlang_org/index.html' 34 appendIFrame('/root_build/try_dartlang_org/index.html', document.body)
105 ..style.width = '90vw' 35 ..style.width = '90vw'
106 ..style.height = '90vh' 36 ..style.height = '90vh';
107 ..onLoad.listen(onIframeLoaded); 37
108 document.body.append(iframe); 38 return listener.expect('Hello, World!\n').then((_) {
109 // Install an error handler both on the new iframe element, and when it has 39 // Remove the iframe to work around a bug in test.dart.
110 // fired the load event. That seems to matter according to some sources on 40 iframe.remove();
111 // stackoverflow. 41
112 installErrorHandlerOn(iframe); 42 // Clean up after ourselves.
113 } 43 window.localStorage.clear();
44 });
45 });
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