Partial implementation of the 'setAnalysisRoots' API.

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';
 
 @MirrorsUsed(targets: 'mocks', override: '*')
@@ skipping 185 matching lines @@
   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);
 }
+
+
+/**
+ * A [Matcher] that check that the given [Response] has an expected identifier
+ * and no error.
+ */
+Matcher isResponseSuccess(String id) => new _IsResponseSuccess(id);
+
+/**
+ * A [Matcher] that check that there are no `error` in a given [Response].
+ */
+class _IsResponseSuccess extends Matcher {
+  final String _id;
+
+  _IsResponseSuccess(this._id);
+
+  @override
+  Description describe(Description description) {
+    return description.addDescriptionOf(
+        'response with identifier "$_id" and without error');
+  }
+
+  @override
+  bool matches(item, Map matchState) {
+    Response response = item;
+    return response.id == _id && response.error == null;
+  }
+
+  @override
+  Description describeMismatch(item, Description mismatchDescription,
+                               Map matchState, bool verbose) {
+    Response response = item;
+    var id = response.id;
+    RequestError error = response.error;
+    mismatchDescription.add('has identifier "$id"');
+    if (error != null) {
+      mismatchDescription.add(' and has error $error');
+    }
+    return mismatchDescription;
+  }
+}
+
+
+/**
+ * A [Matcher] that check that the given [Response] has an expected identifier
+ * and has an error.
+ */
+Matcher isResponseFailure(String id) => new _IsResponseFailure(id);
+
+/**
+ * A [Matcher] that check that there are no `error` in a given [Response].
+ */
+class _IsResponseFailure extends Matcher {
+  final String _id;
+
+  _IsResponseFailure(this._id);
+
+  @override
+  Description describe(Description description) {
+    return description.addDescriptionOf(
+        'response with identifier "$_id" and an error');
+  }
+
+  @override
+  bool matches(item, Map matchState) {
+    Response response = item;
+    return response.id == _id && response.error != null;
+  }
+
+  @override
+  Description describeMismatch(item, Description mismatchDescription,
+                               Map matchState, bool verbose) {
+    Response response = item;
+    var id = response.id;
+    RequestError error = response.error;
+    mismatchDescription.add('has identifier "$id"');
+    if (error == null) {
+      mismatchDescription.add(' and has no error');
+    }
+    return mismatchDescription;
+  }
+}