KarmaGYZ commented on a change in pull request #12619:
URL: https://github.com/apache/flink/pull/12619#discussion_r439168264
##########
File path:
flink-connectors/flink-connector-elasticsearch-base/src/test/java/org/apache/flink/streaming/connectors/elasticsearch/ElasticsearchSinkBaseTest.java
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@@ -412,6 +414,21 @@ public void
testDoesNotWaitForPendingRequestsIfFlushingDisabled() throws Excepti
testHarness.close();
}
+ @Test
+ public void testOpenAndCloseInSinkFunction() throws Exception {
+ @SuppressWarnings("unchecked")
+ ElasticsearchSinkFunction<String> sinkFunction =
(ElasticsearchSinkFunction<String>) mock(ElasticsearchSinkFunction.class);
+ final DummyElasticsearchSink<String> sink = new
DummyElasticsearchSink<>(
+ new HashMap<>(), sinkFunction, new
DummyRetryFailureHandler());
+
+ sink.open(mock(Configuration.class));
+ sink.close();
+
+ verify(sinkFunction, times(1)).open();
+ verify(sinkFunction, times(1)).close();
+ verifyNoMoreInteractions(sinkFunction);
Review comment:
The community tends to avoid `mock` if possible. In this case, I think
we could add `TestingElasticsearchSinkFunction` or just an anonymous class.
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