Support self-referential package: imports with Pub.

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 210 matching lines @@
  */
 Descriptor pubspec(Map contents) {
   return async(_awaitObject(contents).transform((resolvedContents) =>
       file("pubspec.yaml", yaml(resolvedContents))));
 }
 
 /**
  * Describes a file named `pubspec.yaml` for an application package with the
  * given [dependencies].
  */
-Descriptor appPubspec(List dependencies) =>
-  pubspec({"dependencies": _dependencyListToMap(dependencies)});
+Descriptor appPubspec(List dependencies) {
+  return pubspec({
+    "name": "myapp",
+    "dependencies": _dependencyListToMap(dependencies)
+  });
+}
 
 /**
  * Describes a file named `pubspec.yaml` for a library package with the given
  * [name], [version], and [dependencies].
  */
 Descriptor libPubspec(String name, String version, [List dependencies]) =>
   pubspec(package(name, version, dependencies));
 
 /**
  * Describes a map representing a library package with the given [name],
@@ skipping 189 matching lines @@
 
   final future = _setUpSandbox().chain((sandboxDir) {
     createdSandboxDir = sandboxDir;
     return _runScheduled(sandboxDir, _scheduled);
   });
 
   future.handleException((error) {
     // If an error occurs during testing, delete the sandbox, throw the error so
     // that the test framework sees it, then finally call asyncDone so that the
     // test framework knows we're done doing asynchronous stuff.
-    cleanup().then((_) {
-      registerException(error, future.stackTrace);
-      asyncDone();
-    });
+    cleanup().then((_) => registerException(error, future.stackTrace));
     return true;
   });
 
-  future.chain((_) => cleanup()).then((_) => asyncDone());
+  future.chain((_) => cleanup()).then((_) {
+    asyncDone();
+  });
 }
 
 /**
  * Schedules a call to the Pub command-line utility. Runs Pub with [args] and
  * validates that its results match [output], [error], and [exitCode].
  */
 void schedulePub([List<String> args, Pattern output, Pattern error,
     int exitCode = 0]) {
   _schedule((sandboxDir) {
     String pathInSandbox(path) => join(getFullPath(sandboxDir), path);
@@ skipping 592 matching lines @@
 }
 
 /**
  * Schedules a callback to be called after Pub is run with [runPub], even if it
  * fails.
  */
 void _scheduleCleanup(_ScheduledEvent event) {
   if (_scheduledCleanup == null) _scheduledCleanup = [];
   _scheduledCleanup.add(event);
 }