gson-comments/gson/src/test/java/com/google/gson/functional/EscapingTest.java

99 lines
3.5 KiB
Java

/*
* Copyright (C) 2008 Google Inc.
*
* Licensed 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 com.google.gson.functional;
import static com.google.common.truth.Truth.assertThat;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.common.TestTypes.BagOfPrimitives;
import java.util.ArrayList;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
/**
* Performs some functional test involving JSON output escaping.
*
* @author Inderjeet Singh
* @author Joel Leitch
*/
public class EscapingTest {
private Gson gson;
@Before
public void setUp() throws Exception {
gson = new Gson();
}
@Test
public void testEscapingQuotesInStringArray() {
String[] valueWithQuotes = { "beforeQuote\"afterQuote" };
String jsonRepresentation = gson.toJson(valueWithQuotes);
String[] target = gson.fromJson(jsonRepresentation, String[].class);
assertThat(target.length).isEqualTo(1);
assertThat(target[0]).isEqualTo(valueWithQuotes[0]);
}
@Test
public void testEscapeAllHtmlCharacters() {
List<String> strings = new ArrayList<>();
strings.add("<");
strings.add(">");
strings.add("=");
strings.add("&");
strings.add("'");
strings.add("\"");
assertThat(gson.toJson(strings)).isEqualTo("[\"\\u003c\",\"\\u003e\",\"\\u003d\",\"\\u0026\",\"\\u0027\",\"\\\"\"]");
}
@Test
public void testEscapingObjectFields() {
BagOfPrimitives objWithPrimitives = new BagOfPrimitives(1L, 1, true, "test with\" <script>");
String jsonRepresentation = gson.toJson(objWithPrimitives);
assertThat(jsonRepresentation).doesNotContain("<");
assertThat(jsonRepresentation).doesNotContain(">");
assertThat(jsonRepresentation).contains("\\\"");
BagOfPrimitives expectedObject = gson.fromJson(jsonRepresentation, BagOfPrimitives.class);
assertThat(expectedObject.getExpectedJson()).isEqualTo(objWithPrimitives.getExpectedJson());
}
@Test
public void testGsonAcceptsEscapedAndNonEscapedJsonDeserialization() {
Gson escapeHtmlGson = new GsonBuilder().create();
Gson noEscapeHtmlGson = new GsonBuilder().disableHtmlEscaping().create();
BagOfPrimitives target = new BagOfPrimitives(1L, 1, true, "test' / w'ith\" / \\ <script>");
String escapedJsonForm = escapeHtmlGson.toJson(target);
String nonEscapedJsonForm = noEscapeHtmlGson.toJson(target);
assertThat(escapedJsonForm.equals(nonEscapedJsonForm)).isFalse();
assertThat(noEscapeHtmlGson.fromJson(escapedJsonForm, BagOfPrimitives.class)).isEqualTo(target);
assertThat(escapeHtmlGson.fromJson(nonEscapedJsonForm, BagOfPrimitives.class)).isEqualTo(target);
}
@Test
public void testGsonDoubleDeserialization() {
BagOfPrimitives expected = new BagOfPrimitives(3L, 4, true, "value1");
String json = gson.toJson(gson.toJson(expected));
String value = gson.fromJson(json, String.class);
BagOfPrimitives actual = gson.fromJson(value, BagOfPrimitives.class);
assertThat(actual).isEqualTo(expected);
}
}