/*
 * 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
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package org.elasticsearch.index.mapper;

import org.apache.lucene.index.Term;
import org.apache.lucene.search.PrefixQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.RegexpQuery;
import org.apache.lucene.search.WildcardQuery;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.ElasticsearchException;

public class RoutingFieldTypeTests extends FieldTypeTestCase {

    public void testPrefixQuery() {
        MappedFieldType ft = RoutingFieldMapper.RoutingFieldType.INSTANCE;

        Query expected = new PrefixQuery(new Term("_routing", new BytesRef("foo*")));
        assertEquals(expected, ft.prefixQuery("foo*", null, MOCK_QSC));

        ElasticsearchException ee = expectThrows(ElasticsearchException.class,
                () -> ft.prefixQuery("foo*", null, MOCK_QSC_DISALLOW_EXPENSIVE));
        assertEquals("[prefix] queries cannot be executed when 'search.allow_expensive_queries' is set to false. " +
                "For optimised prefix queries on text fields please enable [index_prefixes].", ee.getMessage());
    }

    public void testRegexpQuery() {
        MappedFieldType ft = RoutingFieldMapper.RoutingFieldType.INSTANCE;

        Query expected = new RegexpQuery(new Term("_routing", new BytesRef("foo?")));
        assertEquals(expected, ft.regexpQuery("foo?", 0, 0, 10, null, MOCK_QSC));

        ElasticsearchException ee = expectThrows(ElasticsearchException.class,
                () -> ft.regexpQuery("foo?", randomInt(10), 0, randomInt(10) + 1, null, MOCK_QSC_DISALLOW_EXPENSIVE));
        assertEquals("[regexp] queries cannot be executed when 'search.allow_expensive_queries' is set to false.",
                ee.getMessage());
    }

    public void testWildcardQuery() {
        MappedFieldType ft = RoutingFieldMapper.RoutingFieldType.INSTANCE;

        Query expected = new WildcardQuery(new Term("_routing", new BytesRef("foo*")));
        assertEquals(expected, ft.wildcardQuery("foo*", null, MOCK_QSC));

        ElasticsearchException ee = expectThrows(ElasticsearchException.class,
                () -> ft.wildcardQuery("valu*", null, MOCK_QSC_DISALLOW_EXPENSIVE));
        assertEquals("[wildcard] queries cannot be executed when 'search.allow_expensive_queries' is set to false.",
                ee.getMessage());
    }
}
