showuon commented on a change in pull request #11242:
URL: https://github.com/apache/kafka/pull/11242#discussion_r692951450
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File path: streams/src/test/java/org/apache/kafka/streams/TopologyTest.java
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@@ -1168,7 +1169,32 @@ public void
kGroupedStreamZeroArgCountShouldPreserveTopologyStructure() {
@Test
public void
kGroupedStreamNamedMaterializedCountShouldPreserveTopologyStructure() {
- final StreamsBuilder builder = new StreamsBuilder();
+ Properties streamsProp = new Properties();
+ streamsProp.put(StreamsConfig.APPLICATION_ID_CONFIG,
"streams-config-test");
+ streamsProp.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG,
"localhost:9092");
+ final StreamsBuilder builder = new StreamsBuilder(streamsProp);
+ builder.stream("input-topic")
+ .groupByKey()
+ .count(Materialized.as("count-store"));
+ final TopologyDescription describe = builder.build().describe();
Review comment:
An example we put the `stream props` into `StreamsBuilder` constructor
and build with default store implementation setting for
`KeyValueBytesStoreSupplier`. And the same for `WindowBytesStoreSupplier` and
`SessionBytesStoreSupplier` below
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