/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
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package ucar.nc2.ncml;
import junit.framework.TestCase;
import java.io.IOException;
import java.util.Date;
import ucar.ma2.InvalidRangeException;
import ucar.ma2.DataType;
import ucar.ma2.Array;
import ucar.ma2.IndexIterator;
import ucar.nc2.*;
import ucar.nc2.dataset.NetcdfDataset;
import ucar.nc2.util.DiskCache2;
/** Test TestNcml - AggExisting in the JUnit framework. */
public class TestAggExistingCached extends TestCase {
public TestAggExistingCached( String name) {
super(name);
}
public void setUp() {
Aggregation.setPersistenceCache( new DiskCache2("/.unidata/cachePersist", true, 60 * 24 * 30, 60));
}
// String filename = "file:"+TestNcML.topDir + "aggExisting4.ncml";
String filename = "dods://localhost:8080/thredds/dodsC/aggCacheTest/aggExisting4.ncml";
public void testNcmlDirect() throws IOException, InvalidRangeException {
NetcdfFile ncfile = NetcdfDataset.openDataset(filename, false, null);
System.out.println("\n TestNcmlAggExistingCached.open "+ filename);
//System.out.println(" "+ ncfile);
testAggCoordVar( ncfile);
testAggCoordVarSubset( ncfile);
testAggCoordVarSubsetDefeatLocalCache( ncfile);
ncfile.close();
}
public void testNcmlCached() throws IOException, InvalidRangeException {
System.out.println("\n TestNcmlAggExistingCached.acquire at "+ new Date());
NetcdfFile ncfile = NetcdfDataset.acquireDataset(filename, null);
testAggCoordVar( ncfile);
ncfile.close();
System.out.println("\n TestNcmlAggExistingCached.acquire again at "+ new Date());
ncfile = NetcdfDataset.acquireDataset(filename, null);
testAggCoordVar( ncfile);
ncfile.close();
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("\n TestNcmlAggExistingCached.acquire after sleeping "+ new Date());
ncfile = NetcdfDataset.acquireDataset(filename, null);
testAggCoordVar( ncfile);
ncfile.close();
NetcdfDataset.getNetcdfFileCache().clearCache(false);
System.out.println("\n TestNcmlAggExistingCached.acquire after flushing cache "+ new Date());
ncfile = NetcdfDataset.acquireDataset(filename, null);
testAggCoordVar( ncfile);
testAggCoordVarSubset( ncfile);
ncfile.close();
}
double[] result = new double[] {1.1496816E9, 1.1496852E9, 1.1496888E9 };
public void testAggCoordVar(NetcdfFile ncfile) {
Variable time = ncfile.findVariable("time");
assert null != time;
assert time.getShortName().equals("time");
assert time.getRank() == 1;
assert time.getSize() == 3;
assert time.getShape()[0] == 3;
assert time.getDataType() == DataType.DOUBLE;
assert time.getDimension(0) == ncfile.findDimension("time");
try {
Array data = time.read();
assert data.getRank() == 1;
assert data.getSize() == 3;
assert data.getShape()[0] == 3;
assert data.getElementType() == double.class;
int count = 0;
IndexIterator dataI = data.getIndexIterator();
while (dataI.hasNext()) {
assert TestAll.closeEnough(dataI.getDoubleNext(), result[count]);
count++;
}
} catch (IOException io) {
io.printStackTrace();
assert false;
}
}
public void testAggCoordVarSubset(NetcdfFile ncfile) throws InvalidRangeException, IOException {
Variable time = ncfile.findVariable("time");
assert null != time;
assert time.getShortName().equals("time");
assert time.getRank() == 1;
assert time.getSize() == 3;
assert time.getShape()[0] == 3;
assert time.getDataType() == DataType.DOUBLE;
assert time.getDimension(0) == ncfile.findDimension("time");
Array data = time.read("1:2");
assert data.getRank() == 1;
assert data.getSize() == 2;
assert data.getShape()[0] == 2;
assert data.getElementType() == double.class;
int count = 0;
IndexIterator dataI = data.getIndexIterator();
while (dataI.hasNext()) {
assert TestAll.closeEnough(dataI.getDoubleNext(), result[count+1]);
count++;
}
data = time.read("0:2:2");
assert data.getRank() == 1;
assert data.getSize() == 2;
assert data.getShape()[0] == 2;
assert data.getElementType() == double.class;
count = 0;
dataI = data.getIndexIterator();
while (dataI.hasNext()) {
assert TestAll.closeEnough(dataI.getDoubleNext(), result[count*2]);
count++;
}
}
public void testAggCoordVarSubsetDefeatLocalCache(NetcdfFile ncfile) throws InvalidRangeException, IOException {
Variable time = ncfile.findVariable("time");
assert null != time;
assert time.getShortName().equals("time");
assert time.getRank() == 1;
assert time.getSize() == 3;
assert time.getShape()[0] == 3;
assert time.getDataType() == DataType.DOUBLE;
assert time.getDimension(0) == ncfile.findDimension("time");
time.setCachedData(null, false);
Array data = time.read("1:2");
assert data.getRank() == 1;
assert data.getSize() == 2;
assert data.getShape()[0] == 2;
assert data.getElementType() == double.class;
int count = 0;
IndexIterator dataI = data.getIndexIterator();
while (dataI.hasNext()) {
assert TestAll.closeEnough(dataI.getDoubleNext(), result[count+1]);
count++;
}
time.setCachedData(null, false);
data = time.read("0:2:2");
assert data.getRank() == 1;
assert data.getSize() == 2;
assert data.getShape()[0] == 2;
assert data.getElementType() == double.class;
count = 0;
dataI = data.getIndexIterator();
while (dataI.hasNext()) {
assert TestAll.closeEnough(dataI.getDoubleNext(), result[count*2]);
count++;
}
}
}