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.Assert.assertEquals;
021
022import org.apache.hadoop.hbase.HBaseClassTestRule;
023import org.apache.hadoop.hbase.testclassification.MiscTests;
024import org.apache.hadoop.hbase.testclassification.SmallTests;
025import org.junit.ClassRule;
026import org.junit.Test;
027import org.junit.experimental.categories.Category;
028
029import org.apache.hbase.thirdparty.com.google.gson.Gson;
030
031@Category({ MiscTests.class, SmallTests.class })
032public class TestGsonUtil {
033
034  @ClassRule
035  public static final HBaseClassTestRule CLASS_RULE =
036    HBaseClassTestRule.forClass(TestGsonUtil.class);
037
038  private static final Gson GSON = GsonUtil.createGson().create();
039  private static final Gson DHE_GSON = GsonUtil.createGsonWithDisableHtmlEscaping().create();
040
041  // This triggers error-prone: "[UnicodeEscape] Using unicode escape sequences for printable ASCII
042  // characters is obfuscated, and potentially dangerous."
043  // The UnicodeEscape warning cannot be disabled. Consider rewriting this test.
044
045  @Test
046  public void testDisableHtmlEscaping() {
047    // enable html escaping, turn '=' into '\u003d'
048    assertEquals("\"\\u003d\\u003d\\u003d\"", GSON.toJson("==="));
049
050    // disable html escaping
051    assertEquals("\"===\"", DHE_GSON.toJson("==="));
052  }
053}