@Test
public void verifyObserve() throws Exception {
final DataSourceMonitor monitor = new DataSourceMonitor(this.dataSource);
monitor.setExecutor(Executors.newSingleThreadExecutor());
monitor.setValidationQuery("SELECT 1 FROM INFORMATION_SCHEMA.SYSTEM_USERS");
final PoolStatus status = monitor.observe();
assertEquals(StatusCode.OK, status.getCode());
}
/*
* Checks that a watch holds a given sequence of samples.
*/
private void checkData(double[] expected, CounterWatch watch) throws RemoteException {
DataSourceMonitor mon = new DataSourceMonitor(watch);
mon.waitFor(expected.length);
Calculable[] calcs = watch.getWatchDataSource().getCalculable();
Assert.assertEquals(expected.length, calcs.length);
for (int i = 0; i < expected.length; i++) {
Assert.assertEquals(expected[i], calcs[i].getValue(), 0);
}
}
