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package com.yahoo.jdisc.statistics;
import com.yahoo.jdisc.Metric;
import com.yahoo.jdisc.ResourceReference;
import com.yahoo.jdisc.core.ActiveContainer;
import com.yahoo.jdisc.test.TestDriver;
import org.junit.Test;
import java.util.Map;
import static org.junit.Assert.assertEquals;
/**
* @author bjorncs
*/
public class ActiveContainerStatisticsTest {
@Test
public void counts_deactivated_activecontainers() {
TestDriver driver = TestDriver.newSimpleApplicationInstanceWithoutOsgi();
ActiveContainerStatistics stats = new ActiveContainerStatistics();
MockMetric metric = new MockMetric();
ActiveContainer containerWithoutRetainedResources = new ActiveContainer(driver.newContainerBuilder());
stats.onActivated(containerWithoutRetainedResources);
stats.emitMetrics(metric);
assertEquals(0, metric.totalCount);
assertEquals(0, metric.withRetainedReferencesCount);
stats.onDeactivated(containerWithoutRetainedResources);
containerWithoutRetainedResources.release();
stats.emitMetrics(metric);
assertEquals(1, metric.totalCount);
assertEquals(0, metric.withRetainedReferencesCount);
ActiveContainer containerWithRetainedResources = new ActiveContainer(driver.newContainerBuilder());
try (ResourceReference ignoredRef = containerWithRetainedResources.refer()) {
stats.onActivated(containerWithRetainedResources);
stats.onDeactivated(containerWithRetainedResources);
containerWithRetainedResources.release();
stats.emitMetrics(metric);
assertEquals(2, metric.totalCount);
assertEquals(1, metric.withRetainedReferencesCount);
}
}
private static class MockMetric implements Metric {
public int totalCount;
public int withRetainedReferencesCount;
@Override
public void set(String key, Number val, Context ctx) {
switch (key) {
case ActiveContainerStatistics.Metrics.TOTAL_DEACTIVATED_CONTAINERS:
totalCount = val.intValue();
break;
case ActiveContainerStatistics.Metrics.DEACTIVATED_CONTAINERS_WITH_RETAINED_REFERENCES:
withRetainedReferencesCount = val.intValue();
break;
default:
throw new UnsupportedOperationException();
}
}
@Override
public void add(String key, Number val, Context ctx) {
throw new UnsupportedOperationException();
}
@Override
public Context createContext(Map<String, ?> properties) {
throw new UnsupportedOperationException();
}
}
}
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