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Add more runtime metrics like information about heap, class loading and threads to the metrics infrastructure

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This commit is contained in:
Christian Dupuis
2014-04-30 15:22:09 +02:00
parent a09722272e
commit a66fc3030e
3 changed files with 107 additions and 10 deletions
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31
spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/VanillaPublicMetricsTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2012-2013 the original author or authors.
* Copyright 2012-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -32,6 +32,7 @@ import static org.junit.Assert.assertTrue;
* Tests for {@link VanillaPublicMetrics}.
*
* @author Phillip Webb
* @author Christian Dupuis
*/
public class VanillaPublicMetricsTests {
@@ -48,4 +49,32 @@ public class VanillaPublicMetricsTests {
assertTrue(results.containsKey("mem.free"));
assertThat(results.get("a").getValue().doubleValue(), equalTo(0.5));
}
@Test
public void testSystemMetrics() throws Exception {
InMemoryMetricRepository repository = new InMemoryMetricRepository();
repository.set(new Metric<Double>("a", 0.5, new Date()));
VanillaPublicMetrics publicMetrics = new VanillaPublicMetrics(repository);
Map<String, Metric<?>> results = new HashMap<String, Metric<?>>();
for (Metric<?> metric : publicMetrics.metrics()) {
results.put(metric.getName(), metric);
}
assertTrue(results.containsKey("mem"));
assertTrue(results.containsKey("mem.free"));
assertTrue(results.containsKey("processors"));
assertTrue(results.containsKey("uptime"));
assertTrue(results.containsKey("heap.committed"));
assertTrue(results.containsKey("heap.init"));
assertTrue(results.containsKey("heap.used"));
assertTrue(results.containsKey("heap"));
assertTrue(results.containsKey("threads.peak"));
assertTrue(results.containsKey("threads.deamon"));
assertTrue(results.containsKey("threads"));
assertTrue(results.containsKey("classes.loaded"));
assertTrue(results.containsKey("classes.unloaded"));
assertTrue(results.containsKey("classes"));
}
}