/*
* Copyright (c) 2008-2014 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.
*/
// ObjectIdTest.java
package com.mongodb;
import com.mongodb.util.TestCase;
import org.bson.types.ObjectId;
import org.junit.Test;
import java.util.Date;
import java.util.Random;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeFalse;
public class ObjectIdTest extends TestCase {
@Test
public void testRT1(){
ObjectId a = new ObjectId();
assertEquals( a.toStringBabble() , (new ObjectId( a.toStringBabble() , true ) ).toStringBabble() );
assertEquals( a.toStringMongod() , (new ObjectId( a.toStringMongod() , false ) ).toStringMongod() );
assertEquals( a.toStringMongod() , (new ObjectId( a.toStringMongod() ) ).toStringMongod() );
assertEquals( a.toString() , (new ObjectId( a.toString() , false ) ).toString() );
}
@Test
public void testBabbleToMongo(){
ObjectId a = new ObjectId();
assertEquals( a.toStringMongod() , ObjectId.babbleToMongod( a.toStringBabble() ) );
}
@Test
public void testBytes(){
ObjectId a = new ObjectId();
assertEquals( a , new ObjectId( a.toByteArray() ) );
byte b[] = new byte[12];
java.util.Random r = new java.util.Random( 17 );
for ( int i=0; i<b.length; i++ )
b[i] = (byte)(r.nextInt());
a = new ObjectId( b );
assertEquals( a , new ObjectId( a.toByteArray() ) );
assertEquals( "41d91c58988b09375cc1fe9f" , a.toString() );
}
@Test
public void testTime(){
long a = System.currentTimeMillis();
long b = (new ObjectId()).getTime();
assertTrue( Math.abs( b - a ) < 3000 );
}
@Test
public void testBasics(){
ObjectId a = new ObjectId();
ObjectId b = new ObjectId();
assertNotEquals( a , b );
}
@Test
public void testDateCons(){
java.util.Date d = new java.util.Date();
ObjectId a = new ObjectId( d );
assertEquals( d.getTime() / 1000 , a.getTime() / 1000 );
}
@Test
public void testStringOnServer(){
assumeFalse(isSharded(getMongoClient()));
ObjectId oid = new ObjectId();
DBObject res = getDatabase().command( new BasicDBObject( "driverOIDTest" , oid ) );
assertEquals( oid.toString() , res.get( "str" ).toString() );
}
void _testFlip( int x , int Y ){
int y = ObjectId._flip( x );
int z = ObjectId._flip( y );
assertEquals( x , z );
if ( Y > 0 )
assertEquals( Y , y );
}
@Test
public void testFlip(){
_testFlip( 1 , 16777216 );
_testFlip( 1231231 , 2143883776 );
_testFlip( 0x12345678 , 0x78563412 );
Random r = new Random( 12312312 );
for ( int i=0; i<1000; i++ ){
int x = r.nextInt();
_testFlip( r.nextInt() , 0 );
}
}
/**
* Test that within same second, increment value correctly generates ordered ids
*/
@Test
public void testInc() {
ObjectId prev = null;
Date now = new Date();
// need to loop more than value of byte, to check that endianness is correct
for (int i = 0; i < 1000; ++i) {
ObjectId id = new ObjectId(now);
assertEquals(id.getTime() / 1000, now.getTime() / 1000);
if (prev != null) {
assertTrue(prev.compareTo(id) < 0);
}
prev = id;
}
}
@Test
public void testCreateFromLegacyFormat() {
ObjectId id = new ObjectId();
assertEquals(id, ObjectId.createFromLegacyFormat(id.getTimeSecond(), id.getMachine(), id.getInc()));
}
}