/** @see DATAMONGO-1552 */
@Test
public void shouldRenderBucketOutputOperators() {
BucketOperation operation =
Aggregation.bucket("field") //
.andOutputCount()
.as("titles");
DBObject dbObject = operation.toDBObject(Aggregation.DEFAULT_CONTEXT);
assertThat(extractOutput(dbObject), is(JSON.parse("{ titles : { $sum: 1 } }")));
}
/** @see DATAMONGO-1552 */
@Test
public void shouldRenderBucketOutputExpressions() {
BucketOperation operation =
Aggregation.bucket("field") //
.andOutputExpression("(netPrice + surCharge) * taxrate * [0]", 2)
.as("grossSalesPrice") //
.andOutput("title")
.push()
.as("titles");
DBObject dbObject = operation.toDBObject(Aggregation.DEFAULT_CONTEXT);
assertThat(
extractOutput(dbObject),
is(
JSON.parse(
"{ \"grossSalesPrice\" : { \"$multiply\" : [ { \"$add\" : [ \"$netPrice\" , \"$surCharge\"]} , \"$taxrate\" , 2]} , \"titles\" : { $push: \"$title\" } }}")));
}