lct45 commented on a change in pull request #9239:
URL: https://github.com/apache/kafka/pull/9239#discussion_r486673070
##########
File path:
streams/src/test/java/org/apache/kafka/streams/kstream/internals/KStreamSlidingWindowAggregateTest.java
##########
@@ -78,16 +100,28 @@
public void testAggregateSmallInput() {
final StreamsBuilder builder = new StreamsBuilder();
final String topic = "topic";
-
- final KTable<Windowed<String>, String> table = builder
- .stream(topic, Consumed.with(Serdes.String(), Serdes.String()))
- .groupByKey(Grouped.with(Serdes.String(), Serdes.String()))
-
.windowedBy(SlidingWindows.withTimeDifferenceAndGrace(ofMillis(10),
ofMillis(50)))
- .aggregate(
- MockInitializer.STRING_INIT,
- MockAggregator.TOSTRING_ADDER,
- Materialized.<String, String, WindowStore<Bytes,
byte[]>>as("topic-Canonized").withValueSerde(Serdes.String())
- );
+ final KTable<Windowed<String>, String> table;
+ if (inOrderIterator) {
+ table = builder
+ .stream(topic, Consumed.with(Serdes.String(), Serdes.String()))
+ .groupByKey(Grouped.with(Serdes.String(), Serdes.String()))
+
.windowedBy(SlidingWindows.withTimeDifferenceAndGrace(ofMillis(10),
ofMillis(50)))
+ .aggregate(
+ MockInitializer.STRING_INIT,
+ MockAggregator.TOSTRING_ADDER,
+ Materialized.as(new
InOrderMemoryWindowStoreSupplier("InOrder", 50000L, 10L, false))
+ );
+ } else {
+ table = builder
+ .stream(topic, Consumed.with(Serdes.String(), Serdes.String()))
+ .groupByKey(Grouped.with(Serdes.String(), Serdes.String()))
+
.windowedBy(SlidingWindows.withTimeDifferenceAndGrace(ofMillis(10),
ofMillis(50)))
+ .aggregate(
+ MockInitializer.STRING_INIT,
+ MockAggregator.TOSTRING_ADDER,
+ Materialized.<String, String, WindowStore<Bytes,
byte[]>>as("topic-Canonized").withValueSerde(Serdes.String())
Review comment:
I based the aggregate function off something else so `topic-Canonized`
must be from there. It seems like _generally_, `valueSerde` doesn't need to be
set to string so I removed it in most places. Changing to the custom window
store made it complain about doing `Serdes.String` (it wanted an object) and it
appears that we need a `Serdes.String` for the grace test so I'll mess around
with that one more to see how it can be run with both iterators
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