@Test
public void testParseConfigReload() throws Exception {
JmxTransExporterConfiguration config =
new JmxTransConfigurationXmlLoader("classpath:jmxtrans-config-reload-test.xml")
.loadConfiguration();
assertThat(config.getConfigReloadInterval(), equalTo(2));
}
@Test
public void testParseConfiguration() throws Exception {
JmxTransExporterConfiguration config =
new JmxTransConfigurationXmlLoader("classpath:jmxtrans-agent.xml").loadConfiguration();
assertThat(config.collectInterval, is(11));
assertThat(config.collectIntervalTimeUnit, is(TimeUnit.SECONDS));
assertThat(config.getConfigReloadInterval(), equalTo(-1));
OutputWriter decoratedOutputWriter = config.outputWriter;
// CircuitBreaker
assertTrue(decoratedOutputWriter.getClass().equals(OutputWriterCircuitBreakerDecorator.class));
OutputWriterCircuitBreakerDecorator circuitBreakerDecorator =
(OutputWriterCircuitBreakerDecorator) decoratedOutputWriter;
assertThat(circuitBreakerDecorator.isDisabled(), is(false));
// Graphite Writer
assertTrue(
circuitBreakerDecorator.delegate.getClass().equals(GraphitePlainTextTcpOutputWriter.class));
GraphitePlainTextTcpOutputWriter graphiteWriter =
(GraphitePlainTextTcpOutputWriter) circuitBreakerDecorator.delegate;
assertThat(graphiteWriter.graphiteServerHostAndPort.getPort(), is(2203));
assertThat(graphiteWriter.graphiteServerHostAndPort.getHost(), is("localhost"));
assertThat(graphiteWriter.getMetricPathPrefix(), is("app_123456.server.i876543."));
assertThat(config.queries.size(), is(13));
Map<String, Query> queriesByResultAlias = indexQueriesByResultAlias(config.queries);
{
Query query = queriesByResultAlias.get("os.systemLoadAverage");
assertThat(query.objectName, is(new ObjectName("java.lang:type=OperatingSystem")));
assertThat(query.getAttributes(), contains("SystemLoadAverage"));
assertThat(query.resultAlias, is("os.systemLoadAverage"));
assertThat(query.key, is((String) null));
}
{
Query query = queriesByResultAlias.get("jvm.heapMemoryUsage.used");
assertThat(query.objectName, is(new ObjectName("java.lang:type=Memory")));
assertThat(query.getAttributes(), contains("HeapMemoryUsage"));
assertThat(query.resultAlias, is("jvm.heapMemoryUsage.used"));
assertThat(query.key, is("used"));
}
Map<String, Invocation> invocationsByResultAlias =
indexInvocationsByResultAlias(config.invocations);
{
Invocation invocation = invocationsByResultAlias.get("jvm.gc");
assertThat(invocation.objectName, is(new ObjectName("java.lang:type=Memory")));
assertThat(invocation.operationName, is("gc"));
assertThat(invocation.resultAlias, is("jvm.gc"));
}
}
@Test
public void testErrorOnLoadingExternalPropertiesDoesNotPropagate() throws Exception {
PropertiesLoader propertiesLoader =
new PropertiesLoader() {
@Override
public Map<String, String> loadProperties() {
throw new RuntimeException("Expected - thrown by test");
}
};
JmxTransConfigurationXmlLoader configLoader =
new JmxTransConfigurationXmlLoader(
"classpath:jmxtrans-external-properties-test.xml", propertiesLoader);
JmxTransExporterConfiguration config = configLoader.build(configLoader);
assertThat(config.getCollectInterval(), equalTo(222));
}
@Test
public void testExternalPropertiesSourceIsUsed() throws Exception {
PropertiesLoader propertiesLoader =
new PropertiesLoader() {
@Override
public Map<String, String> loadProperties() {
HashMap<String, String> m = new HashMap<>();
m.put("jmxtrans.agent.collect.interval", "999");
return m;
}
};
JmxTransConfigurationXmlLoader configLoader =
new JmxTransConfigurationXmlLoader(
"classpath:jmxtrans-external-properties-test.xml", propertiesLoader);
JmxTransExporterConfiguration config = configLoader.build(configLoader);
assertThat(config.getCollectInterval(), equalTo(999));
}