jeremy-degroot commented on code in PR #20:
URL:
https://github.com/apache/flink-connector-kafka/pull/20#discussion_r1160718505
##########
flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/source/reader/KafkaPartitionSplitReaderTest.java:
##########
@@ -319,6 +321,51 @@ public void
testUsingCommittedOffsetsWithEarliestOrLatestOffsetResetStrategy(
assertThat(reader.consumer().position(partition)).isEqualTo(expectedOffset);
}
+ @Test
+ public void testConsumerClientRackSupplier() {
+ AtomicReference<Boolean> supplierCalled = new AtomicReference<>(false);
+ String rackId = "use1-az1";
+ Supplier<String> rackIdSupplier =
+ () -> {
+ supplierCalled.set(true);
+ return rackId;
+ };
+ Properties properties = new Properties();
+ createReader(
+ properties,
+ UnregisteredMetricsGroup.createSourceReaderMetricGroup(),
+ rackIdSupplier);
+ assertThat(supplierCalled.get()).isEqualTo(true);
+ }
+
+ @ParameterizedTest
+ @NullAndEmptySource
+ public void testSetConsumerClientRackIgnoresNullAndEmpty(String rackId) {
+ Properties properties = new Properties();
+ Supplier<String> rackIdSupplier = () -> rackId;
+ KafkaPartitionSplitReader reader =
+ createReader(
+ properties,
+
UnregisteredMetricsGroup.createSourceReaderMetricGroup(),
+ rackIdSupplier);
+ reader.setConsumerClientRack(properties, rackIdSupplier);
Review Comment:
As far as I know, neither the KafkaConsumer nor the
KafkaPartitionSplitReader offers any way to examine the final consumer
Properties, so to test the behavior of setConsumerClientRack we have to test it
directly.
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