001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.util;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021
022import org.apache.hadoop.hbase.testclassification.MiscTests;
023import org.apache.hadoop.hbase.testclassification.SmallTests;
024import org.junit.jupiter.api.Tag;
025import org.junit.jupiter.api.Test;
026
027import org.apache.hbase.thirdparty.com.google.gson.Gson;
028
029@Tag(MiscTests.TAG)
030@Tag(SmallTests.TAG)
031public class TestGsonUtil {
032
033  private static final Gson GSON = GsonUtil.createGson().create();
034  private static final Gson DHE_GSON = GsonUtil.createGsonWithDisableHtmlEscaping().create();
035
036  // This triggers error-prone: "[UnicodeEscape] Using unicode escape sequences for printable ASCII
037  // characters is obfuscated, and potentially dangerous."
038  // The UnicodeEscape warning cannot be disabled. Consider rewriting this test.
039
040  @Test
041  public void testDisableHtmlEscaping() {
042    // enable html escaping, turn '=' into '\u003d'
043    assertEquals("\"\\u003d\\u003d\\u003d\"", GSON.toJson("==="));
044
045    // disable html escaping
046    assertEquals("\"===\"", DHE_GSON.toJson("==="));
047  }
048}