/*
 * Licensed to Crate under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.  Crate 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.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial
 * agreement.
 */

package io.crate.operation.reference.doc.lucene;

import io.crate.metadata.Reference;
import io.crate.metadata.ReferenceIdent;
import io.crate.metadata.RowGranularity;
import io.crate.metadata.TableIdent;
import io.crate.test.integration.CrateUnitTest;
import io.crate.types.DataTypes;
import io.crate.types.SetType;
import org.elasticsearch.index.mapper.KeywordFieldMapper;
import org.junit.Test;

import static org.hamcrest.Matchers.instanceOf;

public class LuceneReferenceResolverTest extends CrateUnitTest {

    // just return any fieldType to get passt the null check
    private LuceneReferenceResolver luceneReferenceResolver = new LuceneReferenceResolver(
        i -> KeywordFieldMapper.Defaults.FIELD_TYPE, null);

    @Test
    public void testGetImplementationWithColumnsOfTypeCollection() {
        Reference arrayRef = new Reference(new ReferenceIdent(
            new TableIdent("s", "t"), "a"),
            RowGranularity.DOC,
            DataTypes.DOUBLE_ARRAY);
        assertThat(luceneReferenceResolver.getImplementation(arrayRef),
            instanceOf(DocCollectorExpression.ChildDocCollectorExpression.class));

        Reference setRef = new Reference(new ReferenceIdent(
            new TableIdent("s", "t"), "a"),
            RowGranularity.DOC,
            new SetType(DataTypes.DOUBLE));
        assertThat(luceneReferenceResolver.getImplementation(setRef),
            instanceOf(DocCollectorExpression.ChildDocCollectorExpression.class));
    }
}