Merge "Allow tests to create stale changes"

gerrit-acceptance-framework/src/test/java/com/google/gerrit/acceptance/AbstractDaemonTest.java

@@ -74,6 +74,8 @@ import com.google.gerrit.server.config.GerritServerConfig;
 import com.google.gerrit.server.git.GitRepositoryManager;
 import com.google.gerrit.server.git.MetaDataUpdate;
 import com.google.gerrit.server.git.ProjectConfig;
+import com.google.gerrit.server.index.change.ChangeIndex;
+import com.google.gerrit.server.index.change.ChangeIndexCollection;
 import com.google.gerrit.server.index.change.ChangeIndexer;
 import com.google.gerrit.server.mail.EmailHeader;
 import com.google.gerrit.server.notedb.ChangeNoteUtil;
@@ -221,6 +223,9 @@ public abstract class AbstractDaemonTest {
   @Inject
   private EventRecorder.Factory eventRecorderFactory;
 
+  @Inject
+  private ChangeIndexCollection changeIndexes;
+
   protected TestRepository<InMemoryRepository> testRepo;
   protected GerritServer server;
   protected TestAccount admin;
@@ -673,6 +678,22 @@ public abstract class AbstractDaemonTest {
     atrScope.set(preDisableContext);
   }
 
+  protected void disableChangeIndexWrites() {
+    for (ChangeIndex i : changeIndexes.getWriteIndexes()) {
+      if (!(i instanceof ReadOnlyChangeIndex)) {
+        changeIndexes.addWriteIndex(new ReadOnlyChangeIndex(i));
+      }
+    }
+  }
+
+  protected void enableChangeIndexWrites() {
+    for (ChangeIndex i : changeIndexes.getWriteIndexes()) {
+      if (i instanceof ReadOnlyChangeIndex) {
+        changeIndexes.addWriteIndex(((ReadOnlyChangeIndex)i).unwrap());
+      }
+    }
+  }
+
   protected static Gson newGson() {
     return OutputFormat.JSON_COMPACT.newGson();
   }

gerrit-acceptance-framework/src/test/java/com/google/gerrit/acceptance/ReadOnlyChangeIndex.java

@@ -0,0 +1,74 @@
+// Copyright (C) 2016 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+//
+// 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.gerrit.acceptance;
+
+import com.google.gerrit.reviewdb.client.Change.Id;
+import com.google.gerrit.server.index.QueryOptions;
+import com.google.gerrit.server.index.Schema;
+import com.google.gerrit.server.index.change.ChangeIndex;
+import com.google.gerrit.server.query.DataSource;
+import com.google.gerrit.server.query.Predicate;
+import com.google.gerrit.server.query.QueryParseException;
+import com.google.gerrit.server.query.change.ChangeData;
+
+import java.io.IOException;
+
+public class ReadOnlyChangeIndex implements ChangeIndex {
+  private final ChangeIndex index;
+
+  public ReadOnlyChangeIndex(ChangeIndex index) {
+    this.index = index;
+  }
+
+  public ChangeIndex unwrap() {
+    return index;
+  }
+
+  @Override
+  public Schema<ChangeData> getSchema() {
+    return index.getSchema();
+  }
+
+  @Override
+  public void close() {
+    index.close();
+  }
+
+  @Override
+  public void replace(ChangeData obj) throws IOException {
+    // do nothing
+  }
+
+  @Override
+  public void delete(Id key) throws IOException {
+    // do nothing
+  }
+
+  @Override
+  public void deleteAll() throws IOException {
+    // do nothing
+  }
+
+  @Override
+  public DataSource<ChangeData> getSource(Predicate<ChangeData> p,
+      QueryOptions opts) throws QueryParseException {
+    return index.getSource(p, opts);
+  }
+
+  @Override
+  public void markReady(boolean ready) throws IOException {
+    // do nothing
+  }
+}