UI tests for 'Rename' and 'Extract Local Variable' refactorings.

editor/tools/plugins/com.google.dart.tools.ui_test/src-framework/com/google/dart/ui/test/driver/Operation.java

Index: editor/tools/plugins/com.google.dart.tools.ui_test/src-framework/com/google/dart/ui/test/driver/Operation.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui_test/src-framework/com/google/dart/ui/test/driver/Operation.java b/editor/tools/plugins/com.google.dart.tools.ui_test/src-framework/com/google/dart/ui/test/driver/Operation.java
new file mode 100644
index 0000000000000000000000000000000000000000..c07853f5c71c85be4985696ddee6886456714278
--- /dev/null
+++ b/editor/tools/plugins/com.google.dart.tools.ui_test/src-framework/com/google/dart/ui/test/driver/Operation.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2013, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.dart.ui.test.driver;
+
+import com.google.dart.ui.test.util.UiContext;
+
+/**
+ * The simple and quick UI operation to run once it is ready.
+ */
+public abstract class Operation {
+  /**
+   * Checks if system under test is in the right state, so we can run this operation. "Right state"
+   * may mean different thing depending on the operation - dialog opened, action enabled, etc.
+   */
+  public abstract boolean isReady(UiContext context) throws Exception;
+
+  /**
+   * This method is invoked if by some reason {@link #run} caused an exception.
+   */
+  public void onError(UiContext context) throws Exception {
+  }
+
+  /**
+   * Performs some action. This action should be quick and should not block the UI.
+   */
+  public abstract void run(UiContext context) throws Exception;
+}