/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 *
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */
 
/*
 * 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
 * under the License.
 */
package org.opensearch.hadoop.util;

import org.junit.Assert;
import org.junit.Test;

import static org.junit.Assert.*;

public class StringUtilsTest {

    @Test
    public void testJsonEncodingQuote() {
        String value = "foo\"bar";
        String jsonEscaped = "foo\\\"bar";
        Assert.assertEquals(jsonEscaped, StringUtils.jsonEncoding(value));
    }

    @Test
    public void testSingularIndexNames() {
        assertTrue(StringUtils.isValidSingularIndexName("abcdefg"));
        assertTrue(StringUtils.isValidSingularIndexName("\uD840\uDE13")); // HTTP Encode: %F0%A0%88%93
        assertFalse(StringUtils.isValidSingularIndexName("+abcdefg"));
        assertFalse(StringUtils.isValidSingularIndexName("-abcdefg"));
        assertFalse(StringUtils.isValidSingularIndexName("_abcdefg"));
        assertFalse(StringUtils.isValidSingularIndexName("*abcdefg"));
        assertFalse(StringUtils.isValidSingularIndexName("abc*defg"));
        assertFalse(StringUtils.isValidSingularIndexName("abcd/efg"));
        assertFalse(StringUtils.isValidSingularIndexName("abcd\\efg"));
        assertFalse(StringUtils.isValidSingularIndexName("abc|defg"));
        assertFalse(StringUtils.isValidSingularIndexName("abcdef,g"));
        assertFalse(StringUtils.isValidSingularIndexName("abcdef<em>g"));
        assertFalse(StringUtils.isValidSingularIndexName("abcde\"fg"));
        assertFalse(StringUtils.isValidSingularIndexName("a bcdefg"));
        assertFalse(StringUtils.isValidSingularIndexName("abcdefg?"));
        // Multi-Index Format is not a legal singular index name, but it should be resolved to one at runtime
        assertFalse(StringUtils.isValidSingularIndexName("abc{date|yyyy-MM-dd}defg"));

    }
}