Don't extract the name of a package from its description.

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 379 matching lines @@
       case "hosted":
         source = new HostedSource();
         break;
       case "sdk":
         source = new SdkSource('');
         break;
       default:
         throw 'Unknown source "$sourceName"';
       }
 
-      result[source.packageName(dependency[sourceName])] = dependency;
+      result[_packageName(sourceName, dependency[sourceName])] = dependency;
     }
     return result;
   });
 }
 
+/// Return the name for the package described by [description] and from
+/// [sourceName].
+String _packageName(String sourceName, description) {
+  switch (sourceName) {
+  case "git":
+    var url = description is String ? description : description['url'];
+    return basename(url.replaceFirst(const RegExp(@"(\.git)?/?$"), ""));
+  case "hosted":
+    if (description is String) return description;
+    return description['name'];
+  default:
+    return description;
+  }
+}
+
 /**
  * The path of the package cache directory used for tests. Relative to the
  * sandbox directory.
  */
 final String cachePath = "cache";
 
 /**
  * The path of the mock SDK directory used for tests. Relative to the sandbox
  * directory.
  */
@@ skipping 705 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);
 }