DATAREDIS-293 - JedisConnection, allow bulk addition with same score.

Support has been added in jedis 2.4

Original Pull Request: #62

Author: RyanAD

src/main/java/org/springframework/data/redis/connection/jedis/JedisConnection.java

@@ -2923,10 +2923,6 @@ private Map<byte[], Double> zAddArgs(Set<Tuple> tuples) {
 
 		Map<byte[], Double> args = new HashMap<byte[], Double>();
 		for (Tuple tuple : tuples) {
-			if (args.containsValue(tuple.getScore())) {
-				throw new UnsupportedOperationException(
-						"Bulk add of multiple elements with the same score is not supported. Add the elements individually.");
-			}
 			args.put(tuple.getValue(), tuple.getScore());
 		}
 

src/test/java/org/springframework/data/redis/connection/jedis/JedisConnectionIntegrationTests.java

@@ -117,12 +117,13 @@ public void testClosePool() {
 		factory2.destroy();
 	}
 
-	@Test(expected = UnsupportedOperationException.class)
+	@Test
 	public void testZAddSameScores() {
 		Set<StringTuple> strTuples = new HashSet<StringTuple>();
 		strTuples.add(new DefaultStringTuple("Bob".getBytes(), "Bob", 2.0));
 		strTuples.add(new DefaultStringTuple("James".getBytes(), "James", 2.0));
-		connection.zAdd("myset", strTuples);
+		Long added = connection.zAdd("myset", strTuples);
+		assertEquals(2L, added.longValue());
 	}
 
 	@Test(expected = InvalidDataAccessApiUsageException.class)