/*
* Copyright 2008-2016 MongoDB, 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.mongodb.util;
import com.mongodb.BasicDBObject;
import com.mongodb.DBRef;
import org.bson.BsonUndefined;
import org.bson.internal.Base64;
import org.bson.types.BSONTimestamp;
import org.bson.types.BasicBSONList;
import org.bson.types.Binary;
import org.bson.types.Code;
import org.bson.types.CodeWScope;
import org.bson.types.Decimal128;
import org.bson.types.MaxKey;
import org.bson.types.MinKey;
import org.bson.types.ObjectId;
import org.bson.types.Symbol;
import org.junit.Test;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Map;
import java.util.Random;
import java.util.SimpleTimeZone;
import java.util.TreeMap;
import java.util.UUID;
import java.util.regex.Pattern;
import static org.junit.Assert.assertEquals;
@SuppressWarnings("deprecation")
public class JSONSerializersTest {
@Test
public void testBinaryCodecs() {
// test legacy serialization
ObjectSerializer serializer = JSONSerializers.getLegacy();
StringBuilder buf = new StringBuilder();
serializer.serialize("Base64 Serialization Test".getBytes(), buf);
assertEquals(buf.toString(), "<Binary Data>");
}
@Test
public void testLegacySerialization() {
ObjectSerializer serializer = JSONSerializers.getLegacy();
BasicDBObject testObj = new BasicDBObject();
// test ARRAY
BasicDBObject[] a = {new BasicDBObject("object1", "value1"), new BasicDBObject("object2", "value2")};
testObj.put("array", a);
StringBuilder buf = new StringBuilder();
serializer.serialize(a, buf);
assertEquals("[ { \"object1\" : \"value1\"} , { \"object2\" : \"value2\"}]", buf.toString());
// test BINARY
byte[] b = {1, 2, 3, 4};
testObj = new BasicDBObject("binary", new org.bson.types.Binary(b));
buf = new StringBuilder();
serializer.serialize(testObj, buf);
assertEquals("{ \"binary\" : <Binary Data>}", buf.toString());
// test BOOLEAN
testObj = new BasicDBObject("boolean", new Boolean(true));
buf = new StringBuilder();
serializer.serialize(testObj, buf);
assertEquals(buf.toString(), "{ \"boolean\" : true}");
// test BSON_TIMESTAMP,
testObj = new BasicDBObject("timestamp", new BSONTimestamp());
buf = new StringBuilder();
serializer.serialize(testObj, buf);
assertEquals("{ \"timestamp\" : { \"$ts\" : 0 , \"$inc\" : 0}}", buf.toString());
// test BYTE_ARRAY
testObj = new BasicDBObject("byte_array", b);
buf = new StringBuilder();
serializer.serialize(testObj, buf);
assertEquals("{ \"byte_array\" : <Binary Data>}", buf.toString());
// test CODE
testObj = new BasicDBObject("code", new Code("test code"));
buf = new StringBuilder();
serializer.serialize(testObj, buf);
assertEquals("{ \"code\" : { \"$code\" : \"test code\"}}", buf.toString());
// test CODE_W_SCOPE
testObj = new BasicDBObject("scope", "scope of code");
CodeWScope codewscope = new CodeWScope("test code", testObj);
buf = new StringBuilder();
serializer.serialize(codewscope, buf);
assertEquals("{ \"$code\" : \"test code\" , \"$scope\" : { \"scope\" : \"scope of code\"}}", buf.toString());
// test DATE
Date d = new Date();
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
format.setCalendar(new GregorianCalendar(new SimpleTimeZone(0, "GMT")));
buf = new StringBuilder();
serializer.serialize(d, buf);
assertEquals("{ \"$date\" : \"" + format.format(d) + "\"}", buf.toString());
// test DB_OBJECT implicit in preceding tests
// test DB_REF_BASE
DBRef dbref = new com.mongodb.DBRef("test.test", "4d83ab59a39562db9c1ae2af");
buf = new StringBuilder();
serializer.serialize(dbref, buf);
assertEquals("{ \"$ref\" : \"test.test\" , \"$id\" : \"4d83ab59a39562db9c1ae2af\"}", buf.toString());
DBRef dbrefWithDatabaseName = new com.mongodb.DBRef("mydb", "test.test", "4d83ab59a39562db9c1ae2af");
buf = new StringBuilder();
serializer.serialize(dbrefWithDatabaseName, buf);
assertEquals("{ \"$ref\" : \"test.test\" , \"$id\" : \"4d83ab59a39562db9c1ae2af\" , \"$db\" : \"mydb\"}", buf.toString());
// test ITERABLE
BasicBSONList testList = new BasicBSONList();
testList.add(new BasicDBObject("key1", "val1"));
testList.add(new BasicDBObject("key2", "val2"));
buf = new StringBuilder();
serializer.serialize(testList, buf);
assertEquals("[ { \"key1\" : \"val1\"} , { \"key2\" : \"val2\"}]", buf.toString());
// test MAP
Map<String, String> testMap = new TreeMap<String, String>();
testMap.put("key1", "val1");
testMap.put("key2", "val2");
buf = new StringBuilder();
serializer.serialize(testMap, buf);
assertEquals("{ \"key1\" : \"val1\" , \"key2\" : \"val2\"}", buf.toString());
// test MAXKEY
buf = new StringBuilder();
serializer.serialize(new MaxKey(), buf);
assertEquals("{ \"$maxKey\" : 1}", buf.toString());
// test MINKEY
buf = new StringBuilder();
serializer.serialize(new MinKey(), buf);
assertEquals("{ \"$minKey\" : 1}", buf.toString());
// test NULL
buf = new StringBuilder();
serializer.serialize(null, buf);
assertEquals(" null ", buf.toString());
// test NUMBER
Random rand = new Random();
long val = rand.nextLong();
Long longVal = new Long(val);
buf = new StringBuilder();
serializer.serialize(longVal, buf);
assertEquals(String.valueOf(val), buf.toString());
// test OBJECT_ID
buf = new StringBuilder();
serializer.serialize(new ObjectId("4d83ab3ea39562db9c1ae2ae"), buf);
assertEquals("{ \"$oid\" : \"4d83ab3ea39562db9c1ae2ae\"}", buf.toString());
// test PATTERN
buf = new StringBuilder();
serializer.serialize(Pattern.compile("test"), buf);
assertEquals("{ \"$regex\" : \"test\"}", buf.toString());
// test STRING
buf = new StringBuilder();
serializer.serialize("test string", buf);
assertEquals("\"test string\"", buf.toString());
// test UUID;
UUID uuid = UUID.randomUUID();
buf = new StringBuilder();
serializer.serialize(uuid, buf);
assertEquals("{ \"$uuid\" : \"" + uuid.toString() + "\"}", buf.toString());
// test Decimal128
Decimal128 decimal128 = Decimal128.parse("3.140");
buf = new StringBuilder();
serializer.serialize(decimal128, buf);
assertEquals("{ \"$numberDecimal\" : \"3.140\"}", buf.toString());
}
@Test
public void testStrictSerialization() {
ObjectSerializer serializer = JSONSerializers.getStrict();
// test BINARY
byte[] b = {1, 2, 3, 4};
String base64 = Base64.encode(b);
StringBuilder buf = new StringBuilder();
serializer.serialize(new Binary(b), buf);
assertEquals("{ \"$binary\" : \"" + base64 + "\" , \"$type\" : 0}", buf.toString());
// test BSON_TIMESTAMP
buf = new StringBuilder();
serializer.serialize(new BSONTimestamp(123, 456), buf);
assertEquals("{ \"$timestamp\" : { \"t\" : 123 , \"i\" : 456}}", buf.toString());
// test BYTE_ARRAY
buf = new StringBuilder();
serializer.serialize(b, buf);
assertEquals("{ \"$binary\" : \"" + base64 + "\" , \"$type\" : 0}", buf.toString());
// test DATE
Date d = new Date();
buf = new StringBuilder();
serializer.serialize(d, buf);
assertEquals("{ \"$date\" : " + (d.getTime()) + "}", buf.toString());
// test SYMBOL
buf = new StringBuilder();
serializer.serialize(new Symbol("test"), buf);
assertEquals("{ \"$symbol\" : \"test\"}", buf.toString());
}
@Test
public void testSerializationByAncestry() {
ClassMapBasedObjectSerializer serializer = new ClassMapBasedObjectSerializer();
// by superclass
serializer.addObjectSerializer(Object.class,
new AbstractObjectSerializer() {
@Override
public void serialize(final Object obj, final StringBuilder buf) {
buf.append("serialized as Object class");
}
});
// interface
serializer.addObjectSerializer(java.util.List.class,
new AbstractObjectSerializer() {
@Override
public void serialize(final Object obj, final StringBuilder buf) {
buf.append(obj.toString());
}
});
ArrayList<String> list = new ArrayList<String>();
list.add("val1");
StringBuilder buf = new StringBuilder();
serializer.serialize(list, buf);
assertEquals("[val1]", buf.toString());
CodeWScope code = new CodeWScope("code_test", null);
buf = new StringBuilder();
serializer.serialize(code, buf);
assertEquals("serialized as Object class", buf.toString());
}
@Test
public void testUndefinedCodecs() {
ObjectSerializer serializer = JSONSerializers.getStrict();
StringBuilder buf = new StringBuilder();
serializer.serialize(new BsonUndefined(), buf);
assertEquals(buf.toString(), "{ \"$undefined\" : true}");
}
}