WenFeiYi commented on a change in pull request #1962:
URL: https://github.com/apache/hbase/pull/1962#discussion_r451243720
##########
File path:
hbase-hadoop-compat/src/test/java/org/apache/hadoop/metrics2/impl/TestMutableRangeHistogram.java
##########
@@ -0,0 +1,66 @@
+package org.apache.hadoop.metrics2.impl;
+
+import static org.junit.Assert.assertEquals;
+
+import org.apache.hadoop.hbase.HBaseClassTestRule;
+import org.apache.hadoop.hbase.testclassification.MetricsTests;
+import org.apache.hadoop.hbase.testclassification.SmallTests;
+import org.apache.hadoop.metrics2.AbstractMetric;
+import org.apache.hadoop.metrics2.MetricsRecordBuilder;
+import org.apache.hadoop.metrics2.lib.MutableRangeHistogram;
+import org.apache.hadoop.metrics2.lib.MutableSizeHistogram;
+import org.apache.hadoop.metrics2.lib.MutableTimeHistogram;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import java.util.Collection;
+
+@Category({ MetricsTests.class, SmallTests.class})
+public class TestMutableRangeHistogram {
+
+ @ClassRule
+ public static final HBaseClassTestRule CLASS_RULE =
+ HBaseClassTestRule.forClass(TestMutableRangeHistogram.class);
+
+ private static final String RECORD_NAME = "test";
+ private static final String SIZE_METRIC_NAME = "TestSize";
+ private static final String TIME_METRIC_NAME = "TestTime";
+
+ @Test
+ public void testMutableSizeHistogram() {
+ testMutableRangeHistogram(SIZE_METRIC_NAME, new
MutableSizeHistogram(SIZE_METRIC_NAME, ""));
+ }
+
+ @Test
+ public void testMutableTimeHistogram() {
+ testMutableRangeHistogram(TIME_METRIC_NAME, new
MutableTimeHistogram(TIME_METRIC_NAME, ""));
+ }
+
+ private static void testMutableRangeHistogram(String metricName,
MutableRangeHistogram histogram) {
+ // fill up values
+ long[] ranges = histogram.getRanges();
+ for (long val : ranges) {
+ histogram.add(val - 1);
+ }
+ histogram.add(ranges[ranges.length - 1] + 1);
+ // put into metrics collector
+ MetricsCollectorImpl collector = new MetricsCollectorImpl();
+ MetricsRecordBuilder builder = collector.addRecord(RECORD_NAME);
+ histogram.snapshot(builder, true);
+ // get and print
+ Collection<MetricsRecordImpl> records = collector.getRecords();
+ assertEquals(records.size(), 1);
+ MetricsRecordImpl record = records.iterator().next();
+ assertEquals(record.name(), RECORD_NAME);
+ String prefix = metricName + "_" + histogram.getRangeType();
+ int count = 0;
+ for (AbstractMetric metric : record.metrics()) {
Review comment:
I go it, thank you very much! I try to push again
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
