/** Test {@link ResourceUsageMetrics}. */
@Test
public void testResourceUsageMetrics() throws Exception {
final long cpuUsage = 100;
final long pMemUsage = 200;
final long vMemUsage = 300;
final long heapUsage = 400;
// test ResourceUsageMetrics's setters
ResourceUsageMetrics metrics = new ResourceUsageMetrics();
metrics.setCumulativeCpuUsage(cpuUsage);
metrics.setPhysicalMemoryUsage(pMemUsage);
metrics.setVirtualMemoryUsage(vMemUsage);
metrics.setHeapUsage(heapUsage);
// test cpu usage value
assertEquals("Cpu usage values mismatch via set", cpuUsage, metrics.getCumulativeCpuUsage());
// test pMem usage value
assertEquals(
"Physical memory usage values mismatch via set",
pMemUsage,
metrics.getPhysicalMemoryUsage());
// test vMem usage value
assertEquals(
"Virtual memory usage values mismatch via set", vMemUsage, metrics.getVirtualMemoryUsage());
// test heap usage value
assertEquals("Heap usage values mismatch via set", heapUsage, metrics.getHeapUsage());
// test deepCompare() (pass case)
testResourceUsageMetricViaDeepCompare(metrics, cpuUsage, vMemUsage, pMemUsage, heapUsage, true);
// test deepCompare (fail case)
// test cpu usage mismatch
testResourceUsageMetricViaDeepCompare(metrics, 0, vMemUsage, pMemUsage, heapUsage, false);
// test pMem usage mismatch
testResourceUsageMetricViaDeepCompare(metrics, cpuUsage, vMemUsage, 0, heapUsage, false);
// test vMem usage mismatch
testResourceUsageMetricViaDeepCompare(metrics, cpuUsage, 0, pMemUsage, heapUsage, false);
// test heap usage mismatch
testResourceUsageMetricViaDeepCompare(metrics, cpuUsage, vMemUsage, pMemUsage, 0, false);
// define a metric with a fixed value of size()
ResourceUsageMetrics metrics2 =
new ResourceUsageMetrics() {
@Override
public int size() {
return -1;
}
};
metrics2.setCumulativeCpuUsage(cpuUsage);
metrics2.setPhysicalMemoryUsage(pMemUsage);
metrics2.setVirtualMemoryUsage(vMemUsage);
metrics2.setHeapUsage(heapUsage);
// test with size mismatch
testResourceUsageMetricViaDeepCompare(
metrics2, cpuUsage, vMemUsage, pMemUsage, heapUsage, false);
}
// test ResourceUsageMetric's deepCompare() method
private static void testResourceUsageMetricViaDeepCompare(
ResourceUsageMetrics metrics,
long cpuUsage,
long vMemUsage,
long pMemUsage,
long heapUsage,
boolean shouldPass) {
ResourceUsageMetrics testMetrics = new ResourceUsageMetrics();
testMetrics.setCumulativeCpuUsage(cpuUsage);
testMetrics.setPhysicalMemoryUsage(pMemUsage);
testMetrics.setVirtualMemoryUsage(vMemUsage);
testMetrics.setHeapUsage(heapUsage);
Boolean passed = null;
try {
metrics.deepCompare(testMetrics, new TreePath(null, "<root>"));
passed = true;
} catch (DeepInequalityException die) {
passed = false;
}
assertEquals("ResourceUsageMetrics deepCompare() failed!", shouldPass, passed);
}