mumrah opened a new pull request #11678:
URL: https://github.com/apache/kafka/pull/11678
This cleans up a few things in ClusterInstance to make it more usable. Also
fixes some old "raft" references.
I also adjusted the parameter injection that ClusterTestExtensions is doing
to allow test classes to directly inject the specific type. This allows for
easier implementation specific tests. For example, getting direct access to a
MetadataImage when running a KRaft cluster:
```java
@ClusterTest(clusterType = Type.KRAFT, brokers = 1, controllers = 1)
public void testKRaftMetadataImage(KRaftClusterInstance instance) {
MetadataImage image = instance.brokerCurrentMetadataImages().get(0);
assertTrue(image.cluster().brokers().containsKey(0));
}
```
This should make it easier to write a class of tests where we want running
controllers/brokers, but don't want to be restricted to using the APIs to test
things.
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