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JSON-java/src/test/java/org/json/junit/JSONPointerTest.java
John J. Aylward 56d33b8061 changes number parsing to use BigDecimal as the backing type
* updated tests to support BigDecimal as the backing type for numbers
* updated some test resource handling to java7 try-with-resources format
* cleaned up some other minor compiler warnings
2020-05-26 10:10:36 -04:00

384 lines
13 KiB
Java

package org.json.junit;
/*
Copyright (c) 2020 JSON.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
The Software shall be used for Good, not Evil.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.InputStream;
import org.json.JSONArray;
import org.json.JSONObject;
import org.json.JSONPointer;
import org.json.JSONPointerException;
import org.json.JSONTokener;
import org.junit.Test;
public class JSONPointerTest {
private static final JSONObject document;
static {
@SuppressWarnings("resource")
InputStream resourceAsStream = JSONPointerTest.class.getClassLoader().getResourceAsStream("jsonpointer-testdoc.json");
if(resourceAsStream == null) {
throw new ExceptionInInitializerError("Unable to locate test file. Please check your development environment configuration");
}
document = new JSONObject(new JSONTokener(resourceAsStream));
}
private Object query(String pointer) {
return new JSONPointer(pointer).queryFrom(document);
}
@Test
public void emptyPointer() {
assertSame(document, query(""));
}
@SuppressWarnings("unused")
@Test(expected = NullPointerException.class)
public void nullPointer() {
new JSONPointer((String) null);
}
@Test
public void objectPropertyQuery() {
assertSame(document.get("foo"), query("/foo"));
}
@Test
public void arrayIndexQuery() {
assertSame(document.getJSONArray("foo").get(0), query("/foo/0"));
}
@Test(expected = JSONPointerException.class)
public void stringPropOfArrayFailure() {
query("/foo/bar");
}
@Test
public void queryByEmptyKey() {
assertSame(document.get(""), query("/"));
}
@Test
public void queryByEmptyKeySubObject() {
assertSame(document.getJSONObject("obj").getJSONObject(""), query("/obj/"));
}
@Test
public void queryByEmptyKeySubObjectSubOject() {
assertSame(
document.getJSONObject("obj").getJSONObject("").get(""),
query("/obj//")
);
}
@Test
public void queryByEmptyKeySubObjectValue() {
assertSame(
document.getJSONObject("obj").getJSONObject("").get("subKey"),
query("/obj//subKey")
);
}
@Test
public void slashEscaping() {
assertSame(document.get("a/b"), query("/a~1b"));
}
@Test
public void tildeEscaping() {
assertSame(document.get("m~n"), query("/m~0n"));
}
@Test
public void backslashEscaping() {
assertSame(document.get("i\\j"), query("/i\\\\j"));
}
@Test
public void quotationEscaping() {
assertSame(document.get("k\"l"), query("/k\\\\\\\"l"));
}
@Test
public void whitespaceKey() {
assertSame(document.get(" "), query("/ "));
}
@Test
public void uriFragmentNotation() {
assertSame(document.get("foo"), query("#/foo"));
}
@Test
public void uriFragmentNotationRoot() {
assertSame(document, query("#"));
}
@Test
public void uriFragmentPercentHandling() {
assertSame(document.get("c%d"), query("#/c%25d"));
assertSame(document.get("e^f"), query("#/e%5Ef"));
assertSame(document.get("g|h"), query("#/g%7Ch"));
assertSame(document.get("m~n"), query("#/m~0n"));
}
@SuppressWarnings("unused")
@Test(expected = IllegalArgumentException.class)
public void syntaxError() {
new JSONPointer("key");
}
@Test(expected = JSONPointerException.class)
public void arrayIndexFailure() {
query("/foo/2");
}
@Test(expected = JSONPointerException.class)
public void primitiveFailure() {
query("/obj/key/failure");
}
@Test
public void builderTest() {
JSONPointer pointer = JSONPointer.builder()
.append("obj")
.append("other~key").append("another/key")
.append(0)
.build();
assertEquals("val", pointer.queryFrom(document));
}
@Test(expected = NullPointerException.class)
public void nullToken() {
JSONPointer.builder().append(null);
}
@Test
public void toStringEscaping() {
JSONPointer pointer = JSONPointer.builder()
.append("obj")
.append("other~key").append("another/key")
.append("\"")
.append(0)
.build();
assertEquals("/obj/other~0key/another~1key/\\\"/0", pointer.toString());
}
@Test
public void emptyPointerToString() {
assertEquals("", new JSONPointer("").toString());
}
@Test
public void toURIFragment() {
assertEquals("#/c%25d", new JSONPointer("/c%d").toURIFragment());
assertEquals("#/e%5Ef", new JSONPointer("/e^f").toURIFragment());
assertEquals("#/g%7Ch", new JSONPointer("/g|h").toURIFragment());
assertEquals("#/m%7En", new JSONPointer("/m~n").toURIFragment());
}
@Test
public void tokenListIsCopiedInConstructor() {
JSONPointer.Builder b = JSONPointer.builder().append("key1");
JSONPointer jp1 = b.build();
b.append("key2");
JSONPointer jp2 = b.build();
if(jp1.toString().equals(jp2.toString())) {
fail("Oops, my pointers are sharing a backing array");
}
}
/**
* Coverage for JSONObject query(String)
*/
@Test
public void queryFromJSONObject() {
String str = "{"+
"\"stringKey\":\"hello world!\","+
"\"arrayKey\":[0,1,2],"+
"\"objectKey\": {"+
"\"a\":\"aVal\","+
"\"b\":\"bVal\""+
"}"+
"}";
JSONObject jsonObject = new JSONObject(str);
Object obj = jsonObject.query("/stringKey");
assertTrue("Expected 'hello world!'", "hello world!".equals(obj));
obj = jsonObject.query("/arrayKey/1");
assertTrue("Expected 1", Integer.valueOf(1).equals(obj));
obj = jsonObject.query("/objectKey/b");
assertTrue("Expected bVal", "bVal".equals(obj));
try {
obj = jsonObject.query("/a/b/c");
assertTrue("Expected JSONPointerException", false);
} catch (JSONPointerException e) {
assertTrue("Expected bad key/value exception",
"value [null] is not an array or object therefore its key b cannot be resolved".
equals(e.getMessage()));
}
}
/**
* Coverage for JSONObject query(JSONPointer)
*/
@Test
public void queryFromJSONObjectUsingPointer() {
String str = "{"+
"\"stringKey\":\"hello world!\","+
"\"arrayKey\":[0,1,2],"+
"\"objectKey\": {"+
"\"a\":\"aVal\","+
"\"b\":\"bVal\""+
"}"+
"}";
JSONObject jsonObject = new JSONObject(str);
Object obj = jsonObject.query(new JSONPointer("/stringKey"));
assertTrue("Expected 'hello world!'", "hello world!".equals(obj));
obj = jsonObject.query(new JSONPointer("/arrayKey/1"));
assertTrue("Expected 1", Integer.valueOf(1).equals(obj));
obj = jsonObject.query(new JSONPointer("/objectKey/b"));
assertTrue("Expected bVal", "bVal".equals(obj));
try {
obj = jsonObject.query(new JSONPointer("/a/b/c"));
assertTrue("Expected JSONPointerException", false);
} catch (JSONPointerException e) {
assertTrue("Expected bad key/value exception",
"value [null] is not an array or object therefore its key b cannot be resolved".
equals(e.getMessage()));
}
}
/**
* Coverage for JSONObject optQuery(JSONPointer)
*/
@Test
public void optQueryFromJSONObjectUsingPointer() {
String str = "{"+
"\"stringKey\":\"hello world!\","+
"\"arrayKey\":[0,1,2],"+
"\"objectKey\": {"+
"\"a\":\"aVal\","+
"\"b\":\"bVal\""+
"}"+
"}";
JSONObject jsonObject = new JSONObject(str);
Object obj = jsonObject.optQuery(new JSONPointer("/stringKey"));
assertTrue("Expected 'hello world!'", "hello world!".equals(obj));
obj = jsonObject.optQuery(new JSONPointer("/arrayKey/1"));
assertTrue("Expected 1", Integer.valueOf(1).equals(obj));
obj = jsonObject.optQuery(new JSONPointer("/objectKey/b"));
assertTrue("Expected bVal", "bVal".equals(obj));
obj = jsonObject.optQuery(new JSONPointer("/a/b/c"));
assertTrue("Expected null", obj == null);
}
/**
* Coverage for JSONArray query(String)
*/
@Test
public void queryFromJSONArray() {
String str = "["+
"\"hello world!\","+
"[0,1,2],"+
"{"+
"\"a\":\"aVal\","+
"\"b\":\"bVal\""+
"}"+
"]";
JSONArray jsonArray = new JSONArray(str);
Object obj = jsonArray.query("/0");
assertTrue("Expected 'hello world!'", "hello world!".equals(obj));
obj = jsonArray.query("/1/1");
assertTrue("Expected 1", Integer.valueOf(1).equals(obj));
obj = jsonArray.query("/2/b");
assertTrue("Expected bVal", "bVal".equals(obj));
try {
obj = jsonArray.query("/a/b/c");
assertTrue("Expected JSONPointerException", false);
} catch (JSONPointerException e) {
assertTrue("Expected bad index exception",
"a is not an array index".equals(e.getMessage()));
}
}
/**
* Coverage for JSONArray query(JSONPointer)
*/
@Test
public void queryFromJSONArrayUsingPointer() {
String str = "["+
"\"hello world!\","+
"[0,1,2],"+
"{"+
"\"a\":\"aVal\","+
"\"b\":\"bVal\""+
"}"+
"]";
JSONArray jsonArray = new JSONArray(str);
Object obj = jsonArray.query(new JSONPointer("/0"));
assertTrue("Expected 'hello world!'", "hello world!".equals(obj));
obj = jsonArray.query(new JSONPointer("/1/1"));
assertTrue("Expected 1", Integer.valueOf(1).equals(obj));
obj = jsonArray.query(new JSONPointer("/2/b"));
assertTrue("Expected bVal", "bVal".equals(obj));
try {
obj = jsonArray.query(new JSONPointer("/a/b/c"));
assertTrue("Expected JSONPointerException", false);
} catch (JSONPointerException e) {
assertTrue("Expected bad index exception",
"a is not an array index".equals(e.getMessage()));
}
}
/**
* Coverage for JSONArray optQuery(JSONPointer)
*/
@Test
public void optQueryFromJSONArrayUsingPointer() {
String str = "["+
"\"hello world!\","+
"[0,1,2],"+
"{"+
"\"a\":\"aVal\","+
"\"b\":\"bVal\""+
"}"+
"]";
JSONArray jsonArray = new JSONArray(str);
Object obj = jsonArray.optQuery(new JSONPointer("/0"));
assertTrue("Expected 'hello world!'", "hello world!".equals(obj));
obj = jsonArray.optQuery(new JSONPointer("/1/1"));
assertTrue("Expected 1", Integer.valueOf(1).equals(obj));
obj = jsonArray.optQuery(new JSONPointer("/2/b"));
assertTrue("Expected bVal", "bVal".equals(obj));
obj = jsonArray.optQuery(new JSONPointer("/a/b/c"));
assertTrue("Expected null", obj == null);
}
}