Support self-referential package: imports with Pub.

utils/tests/pub/pub_test.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.
 
 #library('pub_tests');
 
 #import('dart:io');
 
 #import('test_pub.dart');
 #import('../../../pkg/unittest/unittest.dart');
@@ skipping 72 matching lines @@
             apple 0.0.0 (apple from sdk)
             banana 0.0.0 (banana from sdk)
             cherry 0.0.0 (cherry from sdk)
           ''');
     });
   });
   */
 }
 
 installCommand() {
+  group('requires', () {
+    test('a pubspec', () {
+      dir(appPath, []).scheduleCreate();
+
+      schedulePub(args: ['install'],
+          error: const RegExp(@'^"pubspec.yaml" not found\.'));
+
+      run();
+    });
+
+    test('a pubspec with a "name" key', () {
+      dir(appPath, [
+        pubspec({"dependencies": {"foo": null}})
+      ]).scheduleCreate();
+
+      schedulePub(args: ['install'],
+          error: const RegExp(@'^"pubspec.yaml" must contain a "name" key\.'));
+
+      run();
+    });
+  });
+
+  test('creates a self-referential symlink', () {
+    // The symlink should use the name in the pubspec, not the name of the
+    // directory.
+    dir(appPath, [
+      pubspec({"name": "myapp_name"})
+    ]).scheduleCreate();
+
+    schedulePub(args: ['install'],
+        output: const RegExp(@"Dependencies installed!$"));
+
+    dir(packagesPath, [
+      dir("myapp_name", [pubspec({"name": "myapp_name"})])
+    ]).scheduleValidate();
+
+    run();
+  });
+
   test('checks out a package from the SDK', () {
     dir(sdkPath, [
       file('revision', '1234'),
       dir('pkg', [packageDir("foo", "0.0.1234")])
     ]).scheduleCreate();
 
     dir(appPath, [
-      pubspec({"dependencies": {"foo": null}})
+      pubspec({"name": "myapp", "dependencies": {"foo": null}})
     ]).scheduleCreate();
 
     schedulePub(args: ['install'],
         output: '''
         Dependencies installed!
         ''');
 
     packagesDir({"foo": "0.0.1234"}).scheduleValidate();
 
     run();
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       "bar": "1.0.0",
       "baz": "1.0.0",
       "newdep": "2.0.0"
     }).scheduleValidate();
 
     run();
   });
 }
 
 updateCommand() {
+  group('requires', () {
+    test('a pubspec', () {
+      dir(appPath, []).scheduleCreate();
+
+      schedulePub(args: ['update'],
+          error: const RegExp(@'^"pubspec.yaml" not found\.'));
+
+      run();
+    });
+
+    test('a pubspec with a "name" key', () {
+      dir(appPath, [
+        pubspec({"dependencies": {"foo": null}})
+      ]).scheduleCreate();
+
+      schedulePub(args: ['update'],
+          error: const RegExp(@'^"pubspec.yaml" must contain a "name" key\.'));
+
+      run();
+    });
+  });
+
   test("updates locked Git packages", () {
     ensureGit();
 
     git('foo.git', [
       file('foo.dart', 'main() => "foo";')
     ]).scheduleCreate();
 
     git('bar.git', [
       file('bar.dart', 'main() => "bar";')
     ]).scheduleCreate();
@@ skipping 202 matching lines @@
 
       run();
     });
   });
 }
 
 versionCommand() {
   test('displays the current version', () =>
     runPub(args: ['version'], output: VERSION_STRING));
 }