RyanSkraba commented on a change in pull request #18833:
URL: https://github.com/apache/flink/pull/18833#discussion_r812024396
##########
File path:
flink-metrics/flink-metrics-dropwizard/src/test/java/org/apache/flink/dropwizard/ScheduledDropwizardReporterTest.java
##########
@@ -84,25 +83,25 @@ public void testAddingMetrics() {
reporter.notifyOfAddedMetric(meterWrapper, "meter", metricGroup);
Map<Counter, String> counters = reporter.getCounters();
- assertTrue(counters.containsKey(myCounter));
+ assertThat(counters).containsKey(myCounter);
Map<Meter, String> meters = reporter.getMeters();
- assertTrue(meters.containsKey(meterWrapper));
+ assertThat(meters).containsKey(meterWrapper);
String expectedCounterName =
reporter.filterCharacters(scope)
+ delimiter
+ reporter.filterCharacters(counterName);
- assertEquals(expectedCounterName, counters.get(myCounter));
+ assertThat(counters.get(myCounter)).isEqualTo(expectedCounterName);
Review comment:
```suggestion
assertThat(counters).containsEntry(myCounter, expectedCounterName);
```
##########
File path:
flink-metrics/flink-metrics-dropwizard/src/test/java/org/apache/flink/dropwizard/metrics/DropwizardFlinkHistogramWrapperTest.java
##########
@@ -85,15 +86,15 @@ public void testDropwizardHistogramWrapperReporting()
throws Exception {
String fullMetricName =
metricGroup.getMetricIdentifier(histogramMetricName);
Snapshot snapshot =
testingReporter.getNextHistogramSnapshot(fullMetricName);
- assertEquals(0, snapshot.getMin());
- assertEquals((size - 1) / 2.0, snapshot.getMedian(), 0.001);
- assertEquals(size - 1, snapshot.getMax());
- assertEquals(size, snapshot.size());
+ assertThat(snapshot.getMin()).isEqualTo(0);
+ assertThat(snapshot.getMedian()).isEqualTo((size - 1) / 2.0,
offset(0.001));
Review comment:
```suggestion
assertThat(snapshot.getMedian()).isCloseTo((size - 1) / 2.0,
offset(0.001));
```
This is _exactly_ the same and a bit nit-picky -- I find this adds to
readability, but (again) I don't feel too strongly about it. There's a number
of these throughout the code.
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