reswqa commented on code in PR #19563:
URL: https://github.com/apache/flink/pull/19563#discussion_r857131608
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flink-core/src/test/java/org/apache/flink/api/common/accumulators/AverageAccumulatorTest.java:
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@@ -94,20 +93,20 @@ public void testMergeSuccess() {
}
avg1.merge(avg2);
- assertEquals(4.5, avg1.getLocalValue(), 0.0);
+ assertThat(4.5, avg1.getLocalValue(), 0.0);
}
@Test
- public void testMergeFailed() {
+ void testMergeFailed() {
AverageAccumulator average = new AverageAccumulator();
Accumulator<Double, Double> averageNew = null;
average.add(1);
try {
average.merge(averageNew);
fail("should fail with an exception");
} catch (IllegalArgumentException e) {
- assertNotNull(e.getMessage());
Review Comment:
Might replace this code block by assertThatThrownBy
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