Rework some analysis server tests using mocks.

pkg/analysis_server/test/mocks.dart

 // Copyright (c) 2014, 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 mocks;
 
 import 'dart:async';
 import 'dart:io';
 import 'dart:mirrors';
 
 import 'package:analyzer/src/generated/engine.dart';
+import 'package:analyzer/src/generated/source.dart';
 import 'package:analysis_server/src/analysis_logger.dart';
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/channel.dart';
 import 'package:analysis_server/src/protocol.dart';
 import 'package:matcher/matcher.dart';
+import 'package:mock/mock.dart';
 import 'package:unittest/unittest.dart';
 
 /**
  * Answer the absolute path the the SDK relative to the currently running
  * script or throw an exception if it cannot be found.
  */
 String get sdkPath {
   Uri sdkUri = Platform.script.resolve('../../../sdk/');
 
   // Verify the directory exists
@@ skipping 148 matching lines @@
     _unexpected('MockAnalysisLogger.logError');
   }
 
   noSuchMethod(Invocation invocation) {
     var name = MirrorSystem.getName(invocation.memberName);
     return _unexpected("MockAnalysisLogger.$name");
   }
 }
 
 /**
- * A mock [AnalysisContext] for testing [AnalysisServer].  This class raises an
- * exception for every abstract method in [AnalysisContext].  Tests should
- * derive from this and re-implement the methods they need.
+ * A mock [AnalysisContext] for testing [AnalysisServer].
  */
 @proxy

[scheglov, 2014/04/24 05:56:25]

Why do we need @proxy here?

[Paul Berry, 2014/04/24 15:05:26]

My mistake.  I've removed it.

-class MockAnalysisContext extends AnalysisContext {
-  noSuchMethod(Invocation invocation) {
-    var name = MirrorSystem.getName(invocation.memberName);
-    return _unexpected("MockAnalysisContext.$name");
-  }
+class MockAnalysisContext extends Mock implements AnalysisContext {
+  noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
 }
+
+/**
+ * A mock [Source].  Particularly useful when all that is needed is the
+ * encoding.
+ */
+class MockSource extends Mock implements Source {
+  noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
+}