suztomo commented on a change in pull request #11090: [BEAM-9470]
:sdks:java:io:kinesis:test is flaky
URL: https://github.com/apache/beam/pull/11090#discussion_r390902538
##########
File path:
sdks/java/io/kinesis/src/test/java/org/apache/beam/sdk/io/kinesis/ShardReadersPoolTest.java
##########
@@ -324,10 +325,15 @@ public void shouldCallRateLimitPolicy()
}
}
+ ArgumentCaptor<List<KinesisRecord>> recordsCaptor =
ArgumentCaptor.forClass(List.class);
+ verify(customRateLimitPolicy,
atLeastOnce()).onSuccess(recordsCaptor.capture());
+ List<List<KinesisRecord>> capturedRecords = recordsCaptor.getAllValues();
+ assertThat(capturedRecords).contains(
+ ImmutableList.of(a, b),
+ singletonList(c),
+ singletonList(d),
+ Collections.emptyList()
+ );
verify(customRateLimitPolicy).onThrottle(same(e));
- verify(customRateLimitPolicy).onSuccess(eq(ImmutableList.of(a, b)));
- verify(customRateLimitPolicy).onSuccess(eq(singletonList(c)));
- verify(customRateLimitPolicy).onSuccess(eq(singletonList(d)));
Review comment:
How about writing one-off code that invokes the test, say, 100 times and
count test failures? We can verify whether your version fixes the flakiness.
I don’t expect that one-off code to be checked in, but attaching the
observation and the code snippet to PR is helpful.
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