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 * 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
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package org.elasticsearch.action.admin.indices.forcemerge;

import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.common.xcontent.json.JsonXContent;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.action.admin.indices.RestForceMergeAction;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.rest.FakeRestRequest;

import static org.hamcrest.Matchers.equalTo;
import static org.mockito.Mockito.mock;

public class RestForceMergeActionTests extends ESTestCase {

    public void testBodyRejection() throws Exception {
        final RestForceMergeAction handler = new RestForceMergeAction(Settings.EMPTY, mock(RestController.class));
        String json = JsonXContent.contentBuilder().startObject().field("max_num_segments", 1).endObject().toString();
        final FakeRestRequest request = new FakeRestRequest.Builder(NamedXContentRegistry.EMPTY)
            .withContent(new BytesArray(json), XContentType.JSON).build();
        IllegalArgumentException e = expectThrows(IllegalArgumentException.class,
            () -> handler.prepareRequest(request, mock(NodeClient.class)));
        assertThat(e.getMessage(), equalTo("forcemerge takes arguments in query parameters, not in the request body"));
    }
}
