Add a test for types in search template requests.

modules/lang-mustache/src/test/java/org/elasticsearch/script/mustache/RestSearchTemplateActionTests.java

@@ -0,0 +1,81 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch licenses this file to you 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 org.elasticsearch.script.mustache;
+
+import org.elasticsearch.client.node.NodeClient;
+import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.common.util.concurrent.ThreadContext;
+import org.elasticsearch.indices.breaker.NoneCircuitBreakerService;
+import org.elasticsearch.rest.RestChannel;
+import org.elasticsearch.rest.RestController;
+import org.elasticsearch.rest.RestRequest;
+import org.elasticsearch.rest.action.search.RestSearchAction;
+import org.elasticsearch.test.ESTestCase;
+import org.elasticsearch.test.rest.FakeRestChannel;
+import org.elasticsearch.test.rest.FakeRestRequest;
+import org.elasticsearch.usage.UsageService;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.mockito.Mockito.mock;
+
+public class RestSearchTemplateActionTests extends ESTestCase {
+    private RestController controller;
+
+    public void setUp() throws Exception {
+        super.setUp();
+        controller = new RestController(Collections.emptySet(), null,
+            mock(NodeClient.class),
+            new NoneCircuitBreakerService(),
+            new UsageService());
+        new RestSearchTemplateAction(Settings.EMPTY, controller);
+    }
+
+    public void testTypeInPath() {
+        RestRequest request = new FakeRestRequest.Builder(xContentRegistry())
+            .withMethod(RestRequest.Method.GET)
+            .withPath("/some_index/some_type/_search/template")
+            .build();
+
+        performRequest(request);
+        assertWarnings(RestSearchAction.TYPES_DEPRECATION_MESSAGE);
+    }
+
+    public void testTypeParameter() {
+        Map<String, String> params = new HashMap<>();
+        params.put("type", "some_type");
+
+        RestRequest request = new FakeRestRequest.Builder(xContentRegistry())
+            .withMethod(RestRequest.Method.GET)
+            .withPath("/some_index/_search/template")
+            .withParams(params)
+            .build();
+
+        performRequest(request);
+        assertWarnings(RestSearchAction.TYPES_DEPRECATION_MESSAGE);
+    }
+
+    private void performRequest(RestRequest request) {
+        RestChannel channel = new FakeRestChannel(request, false, 1);
+        ThreadContext threadContext = new ThreadContext(Settings.EMPTY);
+        controller.dispatchRequest(request, channel, threadContext);
+    }
+}

server/src/main/java/org/elasticsearch/rest/action/search/RestSearchAction.java

@@ -58,7 +58,7 @@ public class RestSearchAction extends BaseRestHandler {
     private static final Set<String> RESPONSE_PARAMS = Collections.singleton(TYPED_KEYS_PARAM);
 
     private static final DeprecationLogger deprecationLogger = new DeprecationLogger(LogManager.getLogger(RestSearchAction.class));
-    static final String TYPES_DEPRECATION_MESSAGE = "[types removal]" +
+    public static final String TYPES_DEPRECATION_MESSAGE = "[types removal]" +
         " Specifying types in search requests is deprecated.";
 
     public RestSearchAction(Settings settings, RestController controller) {