parveensania commented on code in PR #34148:
URL: https://github.com/apache/beam/pull/34148#discussion_r2124146001
##########
runners/google-cloud-dataflow-java/worker/src/test/java/org/apache/beam/runners/dataflow/worker/streaming/harness/FanOutStreamingEngineWorkerHarnessTest.java:
##########
@@ -296,6 +326,70 @@ public void
testOnNewWorkerMetadata_correctlyRemovesStaleWindmillServers()
assertTrue(currentBackends.globalDataStreams().isEmpty());
}
+ @Test
+ public void testOnNewWorkerMetadata_endpointTypeChanged() throws
InterruptedException {
+ GetWorkBudgetDistributor getWorkBudgetDistributor =
mock(GetWorkBudgetDistributor.class);
+ fanOutStreamingEngineWorkProvider =
+ newFanOutStreamingEngineWorkerHarness(
+ GetWorkBudget.builder().setItems(1).setBytes(1).build(),
+ getWorkBudgetDistributor,
+ noOpProcessWorkItemFn());
+
+ String workerToken = "workerToken1";
+ String workerToken2 = "workerToken2";
+
+ WorkerMetadataResponse firstWorkerMetadata =
+ WorkerMetadataResponse.newBuilder()
+ .setMetadataVersion(1)
+ .addWorkEndpoints(
+ WorkerMetadataResponse.Endpoint.newBuilder()
+ .setBackendWorkerToken(workerToken)
+ .build())
+ .addWorkEndpoints(
+ WorkerMetadataResponse.Endpoint.newBuilder()
+ .setBackendWorkerToken(workerToken2)
+ .build())
+ .setExternalEndpoint(AUTHENTICATING_SERVICE)
+ .setEndpointType(EndpointType.DIRECTPATH)
+ .putAllGlobalDataEndpoints(DEFAULT)
+ .build();
+
+ WorkerMetadataResponse secondWorkerMetadata =
+ WorkerMetadataResponse.newBuilder()
+ .setMetadataVersion(2)
Review Comment:
There is a strange behavior of StreamObserver of GetWorkerMetadataTestStub.
When non-incremental metadata versions are injected (2->1 or 1->1), the second
endpoint injection gets dropped and consumeWorkerMetadata is not invoked.
But in the case of incremental versions (1->2), consumeWorkerMetadata is
invoked both times.
I verified the behavior is not because of the version check condition in
consumeWorkerMetadata; the method itself does not get run. I am still debugging
this and will update the test case once I identify the issue.
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