Elasticsearch: Add tests for project queries against version 6

Bug: Issue 9112
Change-Id: I83b25ac02b932babe5b51185af0d7a7057bc2fac
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticV6QueryProjectsTest.java b/javatests/com/google/gerrit/elasticsearch/ElasticV6QueryProjectsTest.java
new file mode 100644
index 0000000..eaaf0c8
--- /dev/null
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticV6QueryProjectsTest.java
@@ -0,0 +1,73 @@
+// Copyright (C) 2018 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.elasticsearch;
+
+import com.google.gerrit.elasticsearch.ElasticTestUtils.ElasticNodeInfo;
+import com.google.gerrit.server.query.project.AbstractQueryProjectsTest;
+import com.google.gerrit.testing.ConfigSuite;
+import com.google.gerrit.testing.InMemoryModule;
+import com.google.gerrit.testing.IndexConfig;
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import org.eclipse.jgit.lib.Config;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+
+public class ElasticV6QueryProjectsTest extends AbstractQueryProjectsTest {
+  @ConfigSuite.Default
+  public static Config defaultConfig() {
+    return IndexConfig.createForElasticsearch();
+  }
+
+  private static ElasticNodeInfo nodeInfo;
+  private static ElasticContainer<?> container;
+
+  @BeforeClass
+  public static void startIndexService() {
+    if (nodeInfo != null) {
+      // do not start Elasticsearch twice
+      return;
+    }
+
+    container = ElasticContainer.createAndStart(ElasticVersion.V6_2);
+    nodeInfo = new ElasticNodeInfo(container.getHttpHost().getPort());
+  }
+
+  @AfterClass
+  public static void stopElasticsearchServer() {
+    if (container != null) {
+      container.stop();
+    }
+  }
+
+  private String testName() {
+    return testName.getMethodName().toLowerCase() + "_";
+  }
+
+  @Override
+  protected void initAfterLifecycleStart() throws Exception {
+    super.initAfterLifecycleStart();
+    ElasticTestUtils.createAllIndexes(injector);
+  }
+
+  @Override
+  protected Injector createInjector() {
+    Config elasticsearchConfig = new Config(config);
+    InMemoryModule.setDefaults(elasticsearchConfig);
+    String indicesPrefix = testName();
+    ElasticTestUtils.configure(elasticsearchConfig, nodeInfo.port, indicesPrefix);
+    return Guice.createInjector(new InMemoryModule(elasticsearchConfig, notesMigration));
+  }
+}