/*
* Copyright (c) 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.io.StringReader;
import java.io.File;
import ucar.ma2.InvalidRangeException;
import ucar.nc2.TestAll;
import ucar.nc2.NetcdfFile;
import ucar.nc2.Variable;
/**
* Updating dataset
*
* @author caron
* @since Jul 24, 2009
*/
public class TestOffAggUpdating extends TestCase {
public TestOffAggUpdating( String name) {
super(name);
}
public void testUpdate() throws IOException, InvalidRangeException, InterruptedException {
String dir = TestAll.cdmUnitTestDir + "agg/updating";
File dirFile = new File(dir);
assert dirFile != null;
assert dirFile.exists();
assert dirFile.isDirectory();
// make sure that the extra file is not in the agg
for (File f : dirFile.listFiles()) {
if (f.getName().equals("extra.nc")) {
if (!f.renameTo( new File(dirFile, "extra.wait"))) {
System.out.printf("Rename fails on %s.extra.nc %n", dirFile);
}
break;
}
}
String ncml =
"<?xml version='1.0' encoding='UTF-8'?>\n" +
"<netcdf xmlns='http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2'>\n" +
" <aggregation dimName='time' type='joinExisting' recheckEvery='1 nsec'>\n" +
" <scan location='"+dir+"' suffix='*.nc' />\n" +
" <variable name='depth'>\n" +
" <attribute name='coordinates' value='lon lat'/>\n" +
" </variable>\n" +
" <variable name='wvh'>\n" +
" <attribute name='coordinates' value='lon lat'/>\n" +
" </variable>\n" +
" </aggregation>\n" +
" <attribute name='Conventions' type='String' value='CF-1.0'/>\n" +
"</netcdf>";
String location = dir + "agg/updating.ncml";
System.out.println(" TestOffAggExistingTimeUnitsChange.testNarrGrib=\n"+ ncml);
NetcdfFile ncfile = NcMLReader.readNcML(new StringReader(ncml), location, null);
check(ncfile, 12);
// make sure that the extra file is in the agg
for (File f : dirFile.listFiles()) {
if (f.getName().equals("extra.wait")) {
if (!f.renameTo( new File(dirFile, "extra.nc")))
System.out.println(" rename fails on "+ f.getPath());
break;
}
}
ncfile.sync();
check(ncfile, 18);
ncfile.close();
}
private void check(NetcdfFile ncfile, int n) throws IOException, InvalidRangeException {
Variable v = ncfile.findVariable("time");
assert v != null;
System.out.printf(" time= %s%n", v.getNameAndDimensions());
assert v.getSize() == n : v.getSize();
v = ncfile.findVariable("eta");
assert v != null;
assert v.getRank() == 3 : v.getRank();
}
}