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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS d.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 library pub_tests; | |
| 6 | |
| 7 import 'dart:async'; | |
| 8 import 'dart:convert'; | |
| 9 import 'dart:io'; | |
| 10 | |
| 11 import 'package:http/http.dart' as http; | |
| 12 import 'package:scheduled_test/scheduled_process.dart'; | |
| 13 import 'package:scheduled_test/scheduled_stream.dart'; | |
| 14 import 'package:scheduled_test/scheduled_test.dart'; | |
| 15 import 'package:stack_trace/stack_trace.dart'; | |
| 16 | |
| 17 import '../../lib/src/utils.dart'; | |
| 18 import '../descriptor.dart' as d; | |
| 19 import '../test_pub.dart'; | |
| 20 | |
| 21 /// The pub process running "pub serve". | |
| 22 ScheduledProcess _pubServer; | |
| 23 | |
| 24 /// The ephemeral port assign to the running admin server. | |
| 25 int _adminPort; | |
| 26 | |
| 27 /// The ephemeral ports assigned to the running servers, associated with the | |
| 28 /// directories they're serving. | |
| 29 final _ports = new Map<String, int>(); | |
| 30 | |
| 31 /// A completer that completes when the server has been started and the served | |
| 32 /// ports are known. | |
| 33 Completer _portsCompleter; | |
| 34 | |
| 35 /// The web socket connection to the running pub process, or `null` if no | |
| 36 /// connection has been made. | |
| 37 WebSocket _webSocket; | |
| 38 Stream _webSocketBroadcastStream; | |
| 39 | |
| 40 /// The code for a transformer that renames ".txt" files to ".out" and adds a | |
| 41 /// ".out" suffix. | |
| 42 const REWRITE_TRANSFORMER = """ | |
| 43 import 'dart:async'; | |
| 44 | |
| 45 import 'package:barback/barback.dart'; | |
| 46 | |
| 47 class RewriteTransformer extends Transformer { | |
| 48 RewriteTransformer.asPlugin(); | |
| 49 | |
| 50 String get allowedExtensions => '.txt'; | |
| 51 | |
| 52 Future apply(Transform transform) { | |
| 53 return transform.primaryInput.readAsString().then((contents) { | |
| 54 var id = transform.primaryInput.id.changeExtension(".out"); | |
| 55 transform.addOutput(new Asset.fromString(id, "\$contents.out")); | |
| 56 }); | |
| 57 } | |
| 58 } | |
| 59 """; | |
| 60 | |
| 61 /// The code for a lazy version of [REWRITE_TRANSFORMER]. | |
| 62 const LAZY_TRANSFORMER = """ | |
| 63 import 'dart:async'; | |
| 64 | |
| 65 import 'package:barback/barback.dart'; | |
| 66 | |
| 67 class LazyRewriteTransformer extends Transformer implements LazyTransformer { | |
| 68 LazyRewriteTransformer.asPlugin(); | |
| 69 | |
| 70 String get allowedExtensions => '.txt'; | |
| 71 | |
| 72 Future apply(Transform transform) { | |
| 73 transform.logger.info('Rewriting \${transform.primaryInput.id}.'); | |
| 74 return transform.primaryInput.readAsString().then((contents) { | |
| 75 var id = transform.primaryInput.id.changeExtension(".out"); | |
| 76 transform.addOutput(new Asset.fromString(id, "\$contents.out")); | |
| 77 }); | |
| 78 } | |
| 79 | |
| 80 Future declareOutputs(DeclaringTransform transform) { | |
| 81 transform.declareOutput(transform.primaryId.changeExtension(".out")); | |
| 82 return new Future.value(); | |
| 83 } | |
| 84 } | |
| 85 """; | |
| 86 | |
| 87 /// The web socket error code for a directory not being served. | |
| 88 const NOT_SERVED = 1; | |
| 89 | |
| 90 /// Returns the source code for a Dart library defining a Transformer that | |
| 91 /// rewrites Dart files. | |
| 92 /// | |
| 93 /// The transformer defines a constant named TOKEN whose value is [id]. When the | |
| 94 /// transformer transforms another Dart file, it will look for a "TOKEN" | |
| 95 /// constant definition there and modify it to include *this* transformer's | |
| 96 /// TOKEN value as well. | |
| 97 /// | |
| 98 /// If [import] is passed, it should be the name of a package that defines its | |
| 99 /// own TOKEN constant. The primary library of that package will be imported | |
| 100 /// here and its TOKEN value will be added to this library's. | |
| 101 /// | |
| 102 /// This transformer takes one configuration field: "addition". This is | |
| 103 /// concatenated to its TOKEN value before adding it to the output library. | |
| 104 String dartTransformer(String id, {String import}) { | |
| 105 if (import != null) { | |
| 106 id = '$id imports \${$import.TOKEN}'; | |
| 107 import = 'import "package:$import/$import.dart" as $import;'; | |
| 108 } else { | |
| 109 import = ''; | |
| 110 } | |
| 111 | |
| 112 return """ | |
| 113 import 'dart:async'; | |
| 114 | |
| 115 import 'package:barback/barback.dart'; | |
| 116 $import | |
| 117 | |
| 118 import 'dart:io'; | |
| 119 | |
| 120 const TOKEN = "$id"; | |
| 121 | |
| 122 final _tokenRegExp = new RegExp(r'^const TOKEN = "(.*?)";\$', multiLine: true); | |
| 123 | |
| 124 class DartTransformer extends Transformer { | |
| 125 final BarbackSettings _settings; | |
| 126 | |
| 127 DartTransformer.asPlugin(this._settings); | |
| 128 | |
| 129 String get allowedExtensions => '.dart'; | |
| 130 | |
| 131 Future apply(Transform transform) { | |
| 132 return transform.primaryInput.readAsString().then((contents) { | |
| 133 transform.addOutput(new Asset.fromString(transform.primaryInput.id, | |
| 134 contents.replaceAllMapped(_tokenRegExp, (match) { | |
| 135 var token = TOKEN; | |
| 136 var addition = _settings.configuration["addition"]; | |
| 137 if (addition != null) token += addition; | |
| 138 return 'const TOKEN = "(\${match[1]}, \$token)";'; | |
| 139 }))); | |
| 140 }); | |
| 141 } | |
| 142 } | |
| 143 """; | |
| 144 } | |
| 145 | |
| 146 /// Schedules starting the `pub serve` process. | |
| 147 /// | |
| 148 /// Unlike [pubServe], this doesn't determine the port number of the server, and | |
| 149 /// so may be used to test for errors in the initialization process. | |
| 150 /// | |
| 151 /// Returns the `pub serve` process. | |
| 152 ScheduledProcess startPubServe({Iterable<String> args, bool createWebDir: true}) | |
| 153 { | |
| 154 var pubArgs = ["serve", "--port=0", // Use port 0 to get an ephemeral port. | |
| 155 "--force-poll", "--log-admin-url"]; | |
| 156 | |
| 157 if (args != null) pubArgs.addAll(args); | |
| 158 | |
| 159 // Dart2js can take a long time to compile dart code, so we increase the | |
| 160 // timeout to cope with that. | |
| 161 currentSchedule.timeout *= 1.5; | |
| 162 | |
| 163 if (createWebDir) d.dir(appPath, [d.dir("web")]).create(); | |
| 164 return startPub(args: pubArgs); | |
| 165 } | |
| 166 | |
| 167 /// Schedules starting the "pub serve" process and records its port number for | |
| 168 /// future requests. | |
| 169 /// | |
| 170 /// If [shouldGetFirst] is `true`, validates that pub get is run first. | |
| 171 /// | |
| 172 /// If [createWebDir] is `true`, creates a `web/` directory if one doesn't exist | |
| 173 /// so pub doesn't complain about having nothing to serve. | |
| 174 /// | |
| 175 /// Returns the `pub serve` process. | |
| 176 ScheduledProcess pubServe({bool shouldGetFirst: false, bool createWebDir: true, | |
| 177 Iterable<String> args}) { | |
| 178 _pubServer = startPubServe(args: args, createWebDir: createWebDir); | |
| 179 _portsCompleter = new Completer(); | |
| 180 | |
| 181 currentSchedule.onComplete.schedule(() { | |
| 182 _portsCompleter = null; | |
| 183 _ports.clear(); | |
| 184 | |
| 185 if (_webSocket != null) { | |
| 186 _webSocket.close(); | |
| 187 _webSocket = null; | |
| 188 _webSocketBroadcastStream = null; | |
| 189 } | |
| 190 }); | |
| 191 | |
| 192 if (shouldGetFirst) { | |
| 193 _pubServer.stdout.expect( | |
| 194 consumeThrough( | |
| 195 anyOf(["Got dependencies!", matches(new RegExp(r"^Changed \d+ depend
enc"))]))); | |
| 196 } | |
| 197 | |
| 198 _pubServer.stdout.expect(startsWith("Loading source assets...")); | |
| 199 _pubServer.stdout.expect(consumeWhile(matches("Loading .* transformers..."))); | |
| 200 | |
| 201 _pubServer.stdout.expect(predicate(_parseAdminPort)); | |
| 202 | |
| 203 // The server should emit one or more ports. | |
| 204 _pubServer.stdout.expect( | |
| 205 consumeWhile(predicate(_parsePort, 'emits server url'))); | |
| 206 schedule(() { | |
| 207 expect(_ports, isNot(isEmpty)); | |
| 208 _portsCompleter.complete(); | |
| 209 }); | |
| 210 | |
| 211 return _pubServer; | |
| 212 } | |
| 213 | |
| 214 /// The regular expression for parsing pub's output line describing the URL for | |
| 215 /// the server. | |
| 216 final _parsePortRegExp = new RegExp(r"([^ ]+) +on http://localhost:(\d+)"); | |
| 217 | |
| 218 /// Parses the port number from the "Running admin server on localhost:1234" | |
| 219 /// line printed by pub serve. | |
| 220 bool _parseAdminPort(String line) { | |
| 221 var match = _parsePortRegExp.firstMatch(line); | |
| 222 if (match == null) return false; | |
| 223 _adminPort = int.parse(match[2]); | |
| 224 return true; | |
| 225 } | |
| 226 | |
| 227 /// Parses the port number from the "Serving blah on localhost:1234" line | |
| 228 /// printed by pub serve. | |
| 229 bool _parsePort(String line) { | |
| 230 var match = _parsePortRegExp.firstMatch(line); | |
| 231 if (match == null) return false; | |
| 232 _ports[match[1]] = int.parse(match[2]); | |
| 233 return true; | |
| 234 } | |
| 235 | |
| 236 void endPubServe() { | |
| 237 _pubServer.kill(); | |
| 238 } | |
| 239 | |
| 240 /// Schedules an HTTP request to the running pub server with [urlPath] and | |
| 241 /// invokes [callback] with the response. | |
| 242 /// | |
| 243 /// [root] indicates which server should be accessed, and defaults to "web". | |
| 244 Future<http.Response> scheduleRequest(String urlPath, {String root}) { | |
| 245 return schedule(() { | |
| 246 return http.get(_getServerUrlSync(root, urlPath)); | |
| 247 }, "request $urlPath"); | |
| 248 } | |
| 249 | |
| 250 /// Schedules an HTTP request to the running pub server with [urlPath] and | |
| 251 /// verifies that it responds with a body that matches [expectation]. | |
| 252 /// | |
| 253 /// [expectation] may either be a [Matcher] or a string to match an exact body. | |
| 254 /// [root] indicates which server should be accessed, and defaults to "web". | |
| 255 /// [headers] may be either a [Matcher] or a map to match an exact headers map. | |
| 256 void requestShouldSucceed(String urlPath, expectation, {String root, headers}) { | |
| 257 scheduleRequest(urlPath, root: root).then((response) { | |
| 258 expect(response.statusCode, equals(200)); | |
| 259 if (expectation != null) expect(response.body, expectation); | |
| 260 if (headers != null) expect(response.headers, headers); | |
| 261 }); | |
| 262 } | |
| 263 | |
| 264 /// Schedules an HTTP request to the running pub server with [urlPath] and | |
| 265 /// verifies that it responds with a 404. | |
| 266 /// | |
| 267 /// [root] indicates which server should be accessed, and defaults to "web". | |
| 268 void requestShould404(String urlPath, {String root}) { | |
| 269 scheduleRequest(urlPath, root: root).then((response) { | |
| 270 expect(response.statusCode, equals(404)); | |
| 271 }); | |
| 272 } | |
| 273 | |
| 274 /// Schedules an HTTP request to the running pub server with [urlPath] and | |
| 275 /// verifies that it responds with a redirect to the given [redirectTarget]. | |
| 276 /// | |
| 277 /// [redirectTarget] may be either a [Matcher] or a string to match an exact | |
| 278 /// URL. [root] indicates which server should be accessed, and defaults to | |
| 279 /// "web". | |
| 280 void requestShouldRedirect(String urlPath, redirectTarget, {String root}) { | |
| 281 schedule(() { | |
| 282 var request = | |
| 283 new http.Request("GET", Uri.parse(_getServerUrlSync(root, urlPath))); | |
| 284 request.followRedirects = false; | |
| 285 return request.send().then((response) { | |
| 286 expect(response.statusCode ~/ 100, equals(3)); | |
| 287 expect(response.headers, containsPair('location', redirectTarget)); | |
| 288 }); | |
| 289 }, "request $urlPath"); | |
| 290 } | |
| 291 | |
| 292 /// Schedules an HTTP POST to the running pub server with [urlPath] and verifies | |
| 293 /// that it responds with a 405. | |
| 294 /// | |
| 295 /// [root] indicates which server should be accessed, and defaults to "web". | |
| 296 void postShould405(String urlPath, {String root}) { | |
| 297 schedule(() { | |
| 298 return http.post(_getServerUrlSync(root, urlPath)).then((response) { | |
| 299 expect(response.statusCode, equals(405)); | |
| 300 }); | |
| 301 }, "request $urlPath"); | |
| 302 } | |
| 303 | |
| 304 /// Schedules an HTTP request to the (theoretically) running pub server with | |
| 305 /// [urlPath] and verifies that it cannot be connected to. | |
| 306 /// | |
| 307 /// [root] indicates which server should be accessed, and defaults to "web". | |
| 308 void requestShouldNotConnect(String urlPath, {String root}) { | |
| 309 schedule(() { | |
| 310 return expect( | |
| 311 http.get(_getServerUrlSync(root, urlPath)), | |
| 312 throwsA(new isInstanceOf<SocketException>())); | |
| 313 }, "request $urlPath"); | |
| 314 } | |
| 315 | |
| 316 /// Reads lines from pub serve's stdout until it prints the build success | |
| 317 /// message. | |
| 318 /// | |
| 319 /// The schedule will not proceed until the output is found. If not found, it | |
| 320 /// will eventually time out. | |
| 321 void waitForBuildSuccess() => | |
| 322 _pubServer.stdout.expect(consumeThrough(contains("successfully"))); | |
| 323 | |
| 324 /// Schedules opening a web socket connection to the currently running pub | |
| 325 /// serve. | |
| 326 Future _ensureWebSocket() { | |
| 327 // Use the existing one if already connected. | |
| 328 if (_webSocket != null) return new Future.value(); | |
| 329 | |
| 330 // Server should already be running. | |
| 331 expect(_pubServer, isNotNull); | |
| 332 expect(_adminPort, isNotNull); | |
| 333 | |
| 334 return WebSocket.connect("ws://localhost:$_adminPort").then((socket) { | |
| 335 _webSocket = socket; | |
| 336 // TODO(rnystrom): Works around #13913. | |
| 337 _webSocketBroadcastStream = _webSocket.map(JSON.decode).asBroadcastStream(); | |
| 338 }); | |
| 339 } | |
| 340 | |
| 341 /// Schedules closing the web socket connection to the currently-running pub | |
| 342 /// serve. | |
| 343 void closeWebSocket() { | |
| 344 schedule(() { | |
| 345 return _ensureWebSocket().then((_) => _webSocket.close()).then((_) => _webSo
cket = | |
| 346 null); | |
| 347 }, "closing web socket"); | |
| 348 } | |
| 349 | |
| 350 /// Sends a JSON RPC 2.0 request to the running pub serve's web socket | |
| 351 /// connection. | |
| 352 /// | |
| 353 /// This calls a method named [method] with the given [params] (or no | |
| 354 /// parameters, if it's not passed). [params] may contain Futures, in which case | |
| 355 /// this will wait until they've completed before sending the request. | |
| 356 /// | |
| 357 /// This schedules the request, but doesn't block the schedule on the response. | |
| 358 /// It returns the response as a [Future]. | |
| 359 Future<Map> webSocketRequest(String method, [Map params]) { | |
| 360 var completer = new Completer(); | |
| 361 schedule(() { | |
| 362 return Future.wait( | |
| 363 [_ensureWebSocket(), awaitObject(params),]).then((results) { | |
| 364 var resolvedParams = results[1]; | |
| 365 chainToCompleter( | |
| 366 currentSchedule.wrapFuture(_jsonRpcRequest(method, resolvedParams)), | |
| 367 completer); | |
| 368 }); | |
| 369 }, "send $method with $params to web socket"); | |
| 370 return completer.future; | |
| 371 } | |
| 372 | |
| 373 /// Sends a JSON RPC 2.0 request to the running pub serve's web socket | |
| 374 /// connection, waits for a reply, then verifies the result. | |
| 375 /// | |
| 376 /// This calls a method named [method] with the given [params]. [params] may | |
| 377 /// contain Futures, in which case this will wait until they've completed before | |
| 378 /// sending the request. | |
| 379 /// | |
| 380 /// The result is validated using [result], which may be a [Matcher] or a [Map] | |
| 381 /// containing [Matcher]s and [Future]s. This will wait until any futures are | |
| 382 /// completed before sending the request. | |
| 383 /// | |
| 384 /// Returns a [Future] that completes to the call's result. | |
| 385 Future<Map> expectWebSocketResult(String method, Map params, result) { | |
| 386 return schedule(() { | |
| 387 return Future.wait( | |
| 388 [webSocketRequest(method, params), awaitObject(result)]).then((results)
{ | |
| 389 var response = results[0]; | |
| 390 var resolvedResult = results[1]; | |
| 391 expect(response["result"], resolvedResult); | |
| 392 return response["result"]; | |
| 393 }); | |
| 394 }, "send $method with $params to web socket and expect $result"); | |
| 395 } | |
| 396 | |
| 397 /// Sends a JSON RPC 2.0 request to the running pub serve's web socket | |
| 398 /// connection, waits for a reply, then verifies the error response. | |
| 399 /// | |
| 400 /// This calls a method named [method] with the given [params]. [params] may | |
| 401 /// contain Futures, in which case this will wait until they've completed before | |
| 402 /// sending the request. | |
| 403 /// | |
| 404 /// The error response is validated using [errorCode] and [errorMessage]. Both | |
| 405 /// of these must be provided. The error code is checked against [errorCode] and | |
| 406 /// the error message is checked against [errorMessage]. Either of these may be | |
| 407 /// matchers. | |
| 408 /// | |
| 409 /// If [data] is provided, it is a JSON value or matcher used to validate the | |
| 410 /// "data" value of the error response. | |
| 411 /// | |
| 412 /// Returns a [Future] that completes to the error's [data] field. | |
| 413 Future expectWebSocketError(String method, Map params, errorCode, errorMessage, | |
| 414 {data}) { | |
| 415 return schedule(() { | |
| 416 return webSocketRequest(method, params).then((response) { | |
| 417 expect(response["error"]["code"], errorCode); | |
| 418 expect(response["error"]["message"], errorMessage); | |
| 419 | |
| 420 if (data != null) { | |
| 421 expect(response["error"]["data"], data); | |
| 422 } | |
| 423 | |
| 424 return response["error"]["data"]; | |
| 425 }); | |
| 426 }, "send $method with $params to web socket and expect error $errorCode"); | |
| 427 } | |
| 428 | |
| 429 /// Validates that [root] was not bound to a port when pub serve started. | |
| 430 Future expectNotServed(String root) { | |
| 431 return schedule(() { | |
| 432 expect(_ports.containsKey(root), isFalse); | |
| 433 }); | |
| 434 } | |
| 435 | |
| 436 /// The next id to use for a JSON-RPC 2.0 request. | |
| 437 var _rpcId = 0; | |
| 438 | |
| 439 /// Sends a JSON-RPC 2.0 request calling [method] with [params]. | |
| 440 /// | |
| 441 /// Returns the response object. | |
| 442 Future<Map> _jsonRpcRequest(String method, [Map params]) { | |
| 443 var id = _rpcId++; | |
| 444 var message = { | |
| 445 "jsonrpc": "2.0", | |
| 446 "method": method, | |
| 447 "id": id | |
| 448 }; | |
| 449 if (params != null) message["params"] = params; | |
| 450 _webSocket.add(JSON.encode(message)); | |
| 451 | |
| 452 return _webSocketBroadcastStream.firstWhere( | |
| 453 (response) => response["id"] == id).then((value) { | |
| 454 currentSchedule.addDebugInfo( | |
| 455 "Web Socket request $method with params $params\n" "Result: $value"); | |
| 456 | |
| 457 expect(value["id"], equals(id)); | |
| 458 return value; | |
| 459 }); | |
| 460 } | |
| 461 | |
| 462 /// Returns a [Future] that completes to a URL string for the server serving | |
| 463 /// [path] from [root]. | |
| 464 /// | |
| 465 /// If [root] is omitted, defaults to "web". If [path] is omitted, no path is | |
| 466 /// included. The Future will complete once the server is up and running and | |
| 467 /// the bound ports are known. | |
| 468 Future<String> getServerUrl([String root, String path]) => | |
| 469 _portsCompleter.future.then((_) => _getServerUrlSync(root, path)); | |
| 470 | |
| 471 /// Records that [root] has been bound to [port]. | |
| 472 /// | |
| 473 /// Used for testing the Web Socket API for binding new root directories to | |
| 474 /// ports after pub serve has been started. | |
| 475 registerServerPort(String root, int port) { | |
| 476 _ports[root] = port; | |
| 477 } | |
| 478 | |
| 479 /// Returns a URL string for the server serving [path] from [root]. | |
| 480 /// | |
| 481 /// If [root] is omitted, defaults to "web". If [path] is omitted, no path is | |
| 482 /// included. Unlike [getServerUrl], this should only be called after the ports | |
| 483 /// are known. | |
| 484 String _getServerUrlSync([String root, String path]) { | |
| 485 if (root == null) root = 'web'; | |
| 486 expect(_ports, contains(root)); | |
| 487 var url = "http://localhost:${_ports[root]}"; | |
| 488 if (path != null) url = "$url/$path"; | |
| 489 return url; | |
| 490 } | |
| 491 | |
| OLD | NEW |
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Chromium Code Reviews
Issue 937243002:
Revert "Revert "Use native async/await support in pub."" (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart