DATAMONGO-1133 - Fixed broken tests,

AggregationTests.shouldHonorFieldAliasesForFieldReferences() now correctly sets up 3 different instances of MeterData and correctly calculates the aggreated counter values.

Original pull request: #279.

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/aggregation/AggregationTests.java

@@ -1057,8 +1057,7 @@ public class AggregationTests {
 
 		TypedAggregation<MeterData> agg = newAggregation(MeterData.class, //
 				match(where("resourceId").is("m1")), //
-				group("counterName").sum("counterVolume").as("totalValue") //
-		);
+				group("counterName").sum("counterVolume").as("totalValue"));
 
 		AggregationResults<DBObject> results = mongoTemplate.aggregate(agg, DBObject.class);
 
@@ -1066,7 +1065,7 @@ public class AggregationTests {
 		DBObject result = results.getMappedResults().get(0);
 
 		assertThat(result.get("_id"), is(equalTo((Object) "counter1")));
-		assertThat(result.get("totalValue"), is(equalTo((Object) 42.0)));
+		assertThat(result.get("totalValue"), is(equalTo((Object) 100.0)));
 	}
 
 	private void assertLikeStats(LikeStats like, String id, long count) {

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/aggregation/MeterData.java

@@ -23,12 +23,11 @@ import org.springframework.data.mongodb.core.mapping.Field;
  */
 public class MeterData {
 
-	@Id String resourceId;
+	@Id String id;
+	String resourceId;
 	@Field("counter_name") String counterName;
 	double counterVolume;
 
-	public MeterData() {}
-
 	public MeterData(String resourceId, String counterName, double counterVolume) {
 
 		this.resourceId = resourceId;