Add validation infrastructure for "pub lish".

utils/tests/pub/test_pub.dart

 // Copyright (c) 2012, 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.
 
 /**
  * Test infrastructure for testing pub. Unlike typical unit tests, most pub
  * tests are integration tests that stage some stuff on the file system, run
  * pub, and then validate the results. This library provides an API to build
  * tests like that.
  */
@@ skipping 250 matching lines @@
   return dir("lib", [
     file("$name.dart", 'main() => "$code";')
   ]);
 }
 
 /**
  * Describes a map representing a library package with the given [name],
  * [version], and [dependencies].
  */
 Map package(String name, String version, [List dependencies]) {
-  var package = {"name": name, "version": version};
+  var package = {
+    "name": name,
+    "version": version,
+    "author": "Nathan Weizenbaum <nweiz@google.com>",
+    "homepage": "http://pub.dartlang.org"
+  };
   if (dependencies != null) {
     package["dependencies"] = _dependencyListToMap(dependencies);
   }
   return package;
 }
 
 /**
  * Describes a map representing a dependency on a package in the package
  * repository.
  */
@@ skipping 1060 matching lines @@
   }
 
   /// Reads the next line of stderr from the process.
   Future<String> nextErrLine() {
     return _scheduleValue((_) {
       return timeout(_stderr.chain(readLine), 5000,
           "waiting for the next stderr line from process $name");
     });
   }
 
+  /// Reads the remaining stdout from the process. This should only be called
+  /// after kill() or shouldExit().
+  Future<String> remainingStdout() {
+    if (!_endScheduled) {
+      throw new StateError("remainingStdout() should only be called after "
+          "kill() or shouldExit().");
+    }
+
+    return _scheduleValue((_) {
+      return timeout(_stdout.chain(consumeStringInputStream), 5000,

[Bob Nystrom, 2012/12/05 18:57:40]

Make a constant for all of these "5000"s, please.

[nweiz, 2012/12/05 21:59:59]

Done.

+          "waiting for the last stdout line from process $name");
+    });
+  }
+
+  /// Reads the remaining stderr from the process. This should only be called
+  /// after kill() or shouldExit().
+  Future<String> remainingStderr() {
+    if (!_endScheduled) {
+      throw new StateError("remainingStderr() should only be called after "
+          "kill() or shouldExit().");
+    }
+
+    return _scheduleValue((_) {
+      return timeout(_stderr.chain(consumeStringInputStream), 5000,
+          "waiting for the last stderr line from process $name");
+    });
+  }
+
   /// Writes [line] to the process as stdin.
   void writeLine(String line) {
     _schedule((_) => _process.transform((p) => p.stdin.writeString('$line\n')));
   }
 
   /// Kills the process, and waits until it's dead.
   void kill() {
     _endScheduled = true;
     _schedule((_) {
       _endExpected = true;
@@ skipping 42 matching lines @@
 /// A class representing an [HttpServer] that's scheduled to run in the course
 /// of the test. This class allows the server's request handling to be scheduled
 /// synchronously. All operations on this class are scheduled.
 class ScheduledServer {
   /// The wrapped server.
   final Future<HttpServer> _server;
 
   /// The queue of handlers to run for upcoming requests.
   final _handlers = new Queue<Future>();
 
+  /// The requests to be ignored.
+  final _ignored = new Set<Pair<String, String>>();
+
   ScheduledServer._(this._server);
 
   /// Creates a new server listening on an automatically-allocated port on
   /// localhost.
   factory ScheduledServer() {
     var scheduledServer;
     scheduledServer = new ScheduledServer._(_scheduleValue((_) {
       var server = new HttpServer();
       server.defaultRequestHandler = scheduledServer._awaitHandle;
       server.listen("127.0.0.1", 0);
@@ skipping 25 matching lines @@
         var future = handler(request, response);
         if (future == null) future = new Future.immediate(null);
         chainToCompleter(future, requestCompleteCompleter);
       });
       return timeout(requestCompleteCompleter.future,
           5000, "waiting for $method $path");
     });
     _handlers.add(handlerCompleter.future);
   }
 
+  /// Ignore all requests with the given [method] and [path]. If one is
+  /// received, don't respond to it.
+  void ignore(String method, String path) =>
+    _ignored.add(new Pair(method, path));
+
   /// Raises an error complaining of an unexpected request.
   void _awaitHandle(HttpRequest request, HttpResponse response) {
+    if (_ignored.contains(new Pair(request.method, request.path))) return;
     var future = timeout(new Future.immediate(null).chain((_) {
-      var handlerFuture = _handlers.removeFirst();
-      if (handlerFuture == null) {
+      if (_handlers.isEmpty) {
         fail('Unexpected ${request.method} request to ${request.path}.');
       }
-      return handlerFuture;
+      return _handlers.removeFirst();
     }).transform((handler) {
       handler(request, response);
     }), 5000, "waiting for a handler for ${request.method} ${request.path}");
     expect(future, completes);
   }
 }
 
 /**
  * Takes a simple data structure (composed of [Map]s, [List]s, scalar objects,
  * and [Future]s) and recursively resolves all the [Future]s contained within.
@@ skipping 60 matching lines @@
 /// calling [completion] is unnecessary.
 void expectLater(Future actual, matcher, {String reason,
     FailureHandler failureHandler, bool verbose: false}) {
   _schedule((_) {
     return actual.transform((value) {
       expect(value, matcher, reason: reason, failureHandler: failureHandler,
           verbose: false);
     });
   });
 }