1996fanrui commented on code in PR #21999:
URL: https://github.com/apache/flink/pull/21999#discussion_r1117218805
##########
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/tasks/StreamTaskTest.java:
##########
@@ -362,30 +358,35 @@ private void testSyncSavepointWithEndInput(
"savepointResult");
harness.processAll();
- Assert.assertEquals(expectEndInput,
TestBoundedOneInputStreamOperator.isInputEnded());
+
assertThat(TestBoundedOneInputStreamOperator.isInputEnded()).isEqualTo(expectEndInput);
}
@Test
- public void testCleanUpExceptionSuppressing() throws Exception {
+ void testCleanUpExceptionSuppressing() throws Exception {
try (StreamTaskMailboxTestHarness<String> testHarness =
new
StreamTaskMailboxTestHarnessBuilder<>(OneInputStreamTask::new, STRING_TYPE_INFO)
.addInput(STRING_TYPE_INFO)
.setupOutputForSingletonOperatorChain(new
FailingTwiceOperator())
.build()) {
- try {
- testHarness.processElement(new StreamRecord<>("Doesn't
matter", 0));
- throw new RuntimeException("Expected an exception but ran
successfully");
- } catch (Exception ex) {
- ExceptionUtils.assertThrowable(ex,
ExpectedTestException.class);
- }
+ assertThatThrownBy(
+ () ->
+ testHarness.processElement(
+ new StreamRecord<>("Doesn't
matter", 0)))
+ .satisfies(
+ (Consumer<Throwable>)
+ throwable ->
+ ExceptionUtils.assertThrowable(
+ throwable,
ExpectedTestException.class));
- try {
- testHarness.finishProcessing();
- } catch (Exception ex) {
- // todo: checking for suppression if there are more exceptions
during cleanup
- ExceptionUtils.assertThrowable(ex,
FailingTwiceOperator.CloseException.class);
- }
+ // todo: checking for suppression if there are more exceptions
during cleanup
+ assertThatThrownBy(testHarness::finishProcessing)
+ .satisfies(
+ (ThrowingConsumer<Throwable>)
+ throwable ->
+ ExceptionUtils.assertThrowable(
+ throwable,
+
FailingTwiceOperator.CloseException.class));
Review Comment:
```suggestion
.isInstanceOf(FailingTwiceOperator.CloseException.class);
```
I have tried it, it works.
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