ableegoldman commented on a change in pull request #10788:
URL: https://github.com/apache/kafka/pull/10788#discussion_r679531569
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File path:
streams/src/test/java/org/apache/kafka/streams/processor/internals/NamedTopologyTest.java
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@@ -112,15 +103,15 @@ public void shouldReturnTopologyByName() {
final NamedTopology topology2 = builder2.buildNamedTopology(props);
final NamedTopology topology3 = builder3.buildNamedTopology(props);
streams = new KafkaStreamsNamedTopologyWrapper(asList(topology1,
topology2, topology3), props, clientSupplier);
- assertThat(streams.getTopologyByName("topology-1"),
equalTo(topology1));
- assertThat(streams.getTopologyByName("topology-2"),
equalTo(topology2));
- assertThat(streams.getTopologyByName("topology-3"),
equalTo(topology3));
+ assertThat(streams.getTopologyByName("topology-1").get(),
equalTo(topology1));
+ assertThat(streams.getTopologyByName("topology-2").get(),
equalTo(topology2));
+ assertThat(streams.getTopologyByName("topology-3").get(),
equalTo(topology3));
}
@Test
- public void
shouldThrowIllegalArgumentWhenLookingUpNonExistentTopologyByName() {
+ public void shouldReturnEmptyWhenLookingUpNonExistentTopologyByName() {
Review comment:
We changed the behavior to return an empty Optional rather than throw,
as users may want to use this API to determine whether the given named topology
is known or not
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