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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
 * 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.search.SearchRequest;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.index.query.QueryBuilders;

import static org.apache.lucene.util.TestUtil.randomSimpleString;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.nullValue;

public class DeleteByQueryRequestTests extends AbstractBulkByScrollRequestTestCase<DeleteByQueryRequest> {
    public void testDeleteteByQueryRequestImplementsIndicesRequestReplaceable() {
        int numIndices = between(1, 100);
        String[] indices = new String[numIndices];
        for (int i = 0; i < numIndices; i++) {
            indices[i] = randomSimpleString(random(), 1, 30);
        }

        SearchRequest searchRequest = new SearchRequest(indices);
        IndicesOptions indicesOptions = IndicesOptions.fromOptions(randomBoolean(), randomBoolean(), randomBoolean(), randomBoolean());
        searchRequest.indicesOptions(indicesOptions);

        DeleteByQueryRequest request = new DeleteByQueryRequest(searchRequest);
        for (int i = 0; i < numIndices; i++) {
            assertEquals(indices[i], request.indices()[i]);
        }

        assertSame(indicesOptions, request.indicesOptions());
        assertSame(request.indicesOptions(), request.getSearchRequest().indicesOptions());

        int numNewIndices = between(1, 100);
        String[] newIndices = new String[numNewIndices];
        for (int i = 0; i < numNewIndices; i++) {
            newIndices[i] = randomSimpleString(random(), 1, 30);
        }
        request.indices(newIndices);
        for (int i = 0; i < numNewIndices; i++) {;
            assertEquals(newIndices[i], request.indices()[i]);
        }
        for (int i = 0; i < numNewIndices; i++) {;
            assertEquals(newIndices[i], request.getSearchRequest().indices()[i]);
        }
    }

    @Override
    protected DeleteByQueryRequest newRequest() {
        return new DeleteByQueryRequest(new SearchRequest(randomAlphaOfLength(5)));
    }

    @Override
    protected void extraRandomizationForSlice(DeleteByQueryRequest original) {
        // Nothing else to randomize
    }

    @Override
    protected void extraForSliceAssertions(DeleteByQueryRequest original, DeleteByQueryRequest forSliced) {
        // No extra assertions needed
    }

    public void testTypesGetter() {
        int numTypes = between(1, 50);
        String[] types = new String[numTypes];
        for (int i = 0; i < numTypes; i++) {
            types[i] = randomSimpleString(random(), 1, 30);
        }
        SearchRequest searchRequest = new SearchRequest();
        searchRequest.types(types);
        DeleteByQueryRequest request = new DeleteByQueryRequest(searchRequest);
        assertArrayEquals(request.types(), types);
    }

    public void testTypesSetter() {
        int numTypes = between(1, 50);
        String[] types = new String[numTypes];
        for (int i = 0; i < numTypes; i++) {
            types[i] = randomSimpleString(random(), 1, 30);
        }
        SearchRequest searchRequest = new SearchRequest();
        DeleteByQueryRequest request = new DeleteByQueryRequest(searchRequest);
        request.types(types);
        assertArrayEquals(request.types(), types);
    }

    public void testValidateGivenNoQuery() {
        SearchRequest searchRequest = new SearchRequest();
        DeleteByQueryRequest deleteByQueryRequest = new DeleteByQueryRequest(searchRequest);
        deleteByQueryRequest.indices("*");

        ActionRequestValidationException e = deleteByQueryRequest.validate();

        assertThat(e, is(not(nullValue())));
        assertThat(e.getMessage(), containsString("query is missing"));
    }

    public void testValidateGivenValid() {
        SearchRequest searchRequest = new SearchRequest();
        DeleteByQueryRequest deleteByQueryRequest = new DeleteByQueryRequest(searchRequest);
        deleteByQueryRequest.indices("*");
        searchRequest.source().query(QueryBuilders.matchAllQuery());

        ActionRequestValidationException e = deleteByQueryRequest.validate();

        assertThat(e, is(nullValue()));
    }
}