tibrewalpratik17 commented on code in PR #13991:
URL: https://github.com/apache/pinot/pull/13991#discussion_r1760939827
##########
pinot-common/src/test/java/org/apache/pinot/common/metrics/AbstractMetricsTest.java:
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@@ -108,4 +112,154 @@ public void testMultipleGauges() {
controllerMetrics.removeGauge(metricName2);
Assert.assertTrue(controllerMetrics.getMetricsRegistry().allMetrics().isEmpty());
}
+
+ /**
+ * Creates and initializes a concrete instance of {@link AbstractMetrics}
(in this case, a {@code ControllerMetrics}).
+ * @return a {@code ControllerMetrics} suitable for testing {@code
AbstractMetrics} APIs
+ */
+ private static ControllerMetrics buildTestMetrics() {
+ PinotConfiguration pinotConfiguration = new PinotConfiguration();
+ pinotConfiguration.setProperty(CONFIG_OF_METRICS_FACTORY_CLASS_NAME,
+ "org.apache.pinot.plugin.metrics.yammer.YammerMetricsFactory");
+ PinotMetricUtils.init(pinotConfiguration);
+ return new ControllerMetrics(new YammerMetricsRegistry());
+ }
+
+ /**
+ * Tests the {@link AbstractMetrics} APIs relating to query phases
+ */
+ @Test
+ public void testQueryPhases() {
+ final ControllerMetrics testMetrics = buildTestMetrics();
+ final MetricsInspector inspector = new
MetricsInspector(testMetrics.getMetricsRegistry());
+
+ // Establish dummy values to be used in the test
+ final AbstractMetrics.QueryPhase testPhase = () -> "testPhase";
+ Assert.assertEquals(testPhase.getDescription(), "");
Review Comment:
we can also assert `testPhase.getTimerName == "testPhase"` and `isGlobal`
method too
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