mongodb json queries in scala

import com.mongodb.{Mongo, DB, DBObject}
import com.mongodb.util.JSON
import org.junit.{Assert, Test}
/**
 * 
 * User: @tommychheng
 * Date: Sep 24, 2010
 * Time: 9:36:41 AM
 *
 *
 */
class MongoTest{

  @Test
  def testInsertJSQuery{
    val m = new Mongo()
    val db = m.getDB("test")
    val collection = db.getCollection("test_data")
    collection.drop() //make sure the collection is empty

    val document = """ {"foo": "bar", "age": 5} """
    val documentObject = JSON.parse(document).asInstanceOf[DBObject]
    collection.insert(documentObject)

    val query = """ {"foo": "bar"} """
    val queryObject = JSON.parse(query).asInstanceOf[DBObject]
    val cursor = collection.find(queryObject).iterator

    while(cursor.hasNext){
      val item = cursor.next
      Assert.assertEquals("bar", item.get("foo"))
    }
 }
}