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 * 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
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package org.elasticsearch.index.reindex;

import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.search.slice.SliceBuilder;

import static java.util.Collections.emptyMap;
import static org.elasticsearch.common.unit.TimeValue.parseTimeValue;
import static org.elasticsearch.index.query.QueryBuilders.matchAllQuery;

/**
 * Tests some of the validation of {@linkplain ReindexRequest}. See reindex's rest tests for much more.
 */
public class ReindexRequestTests extends AbstractBulkByScrollRequestTestCase<ReindexRequest> {

    public void testReindexFromRemoteDoesNotSupportSearchQuery() {
        ReindexRequest reindex = newRequest();
        reindex.setRemoteInfo(
                new RemoteInfo(randomAlphaOfLength(5), randomAlphaOfLength(5), between(1, Integer.MAX_VALUE), new BytesArray("real_query"),
                        null, null, emptyMap(), RemoteInfo.DEFAULT_SOCKET_TIMEOUT, RemoteInfo.DEFAULT_CONNECT_TIMEOUT));
        reindex.getSearchRequest().source().query(matchAllQuery()); // Unsupported place to put query
        ActionRequestValidationException e = reindex.validate();
        assertEquals("Validation Failed: 1: reindex from remote sources should use RemoteInfo's query instead of source's query;",
                e.getMessage());
    }

    public void testReindexFromRemoteDoesNotSupportWorkers() {
        ReindexRequest reindex = newRequest();
        reindex.setRemoteInfo(
                new RemoteInfo(randomAlphaOfLength(5), randomAlphaOfLength(5), between(1, Integer.MAX_VALUE), new BytesArray("real_query"),
                        null, null, emptyMap(), RemoteInfo.DEFAULT_SOCKET_TIMEOUT, RemoteInfo.DEFAULT_CONNECT_TIMEOUT));
        reindex.setSlices(between(2, Integer.MAX_VALUE));
        ActionRequestValidationException e = reindex.validate();
        assertEquals(
                "Validation Failed: 1: reindex from remote sources doesn't support workers > 1 but was [" + reindex.getSlices() + "];",
                e.getMessage());
    }

    public void testNoSliceWithWorkers() {
        ReindexRequest reindex = newRequest();
        reindex.getSearchRequest().source().slice(new SliceBuilder(0, 4));
        reindex.setSlices(between(2, Integer.MAX_VALUE));
        ActionRequestValidationException e = reindex.validate();
        assertEquals("Validation Failed: 1: can't specify both slice and workers;", e.getMessage());
    }

    @Override
    protected void extraRandomizationForSlice(ReindexRequest original) {
        if (randomBoolean()) {
            original.setScript(mockScript(randomAlphaOfLength(5)));
        }
        if (randomBoolean()) {
            original.setRemoteInfo(new RemoteInfo(randomAlphaOfLength(5), randomAlphaOfLength(5), between(1, 10000),
                    new BytesArray(randomAlphaOfLength(5)), null, null, emptyMap(),
                    parseTimeValue(randomPositiveTimeValue(), "socket_timeout"),
                    parseTimeValue(randomPositiveTimeValue(), "connect_timeout")));
        }
    }

    @Override
    protected void extraForSliceAssertions(ReindexRequest original, ReindexRequest forSliced) {
        assertEquals(original.getScript(), forSliced.getScript());
        assertEquals(original.getDestination(), forSliced.getDestination());
        assertEquals(original.getRemoteInfo(), forSliced.getRemoteInfo());
    }

    @Override
    protected ReindexRequest newRequest() {
        ReindexRequest reindex = new ReindexRequest(new SearchRequest(), new IndexRequest());
        reindex.getSearchRequest().indices("source");
        reindex.getDestination().index("dest");
        return reindex;
    }
}