/*
* 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 thredds.tds;
import org.junit.Test;
import thredds.client.catalog.Catalog;
import thredds.client.catalog.Dataset;
import thredds.client.catalog.writer.DataFactory;
import thredds.server.catalog.TestTdsLocal;
import ucar.ma2.DataType;
import ucar.nc2.*;
import ucar.nc2.dataset.*;
import ucar.nc2.constants.FeatureType;
import ucar.ma2.Array;
import ucar.ma2.IndexIterator;
import ucar.ma2.InvalidRangeException;
import ucar.nc2.util.Misc;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Formatter;
public class TestTdsNcml {
@Test
public void testNcMLinDataset() throws IOException {
Catalog cat = TestTdsLocal.open(null);
Dataset ds = cat.findDatasetByID("ExampleNcMLModified");
assert (ds != null) : "cant find dataset 'ExampleNcMLModified'";
assert ds.getFeatureType() == FeatureType.GRID : ds.getFeatureType();
// ncml should not be sent to the client
// assert null == ds.getNcmlElement();
DataFactory fac = new DataFactory();
Formatter log = new Formatter();
NetcdfDataset ncd = fac.openDataset( ds, false, null, log);
assert ncd != null : log.toString();
Variable v = ncd.findVariable("record");
assert v != null;
assert ncd.findAttValueIgnoreCase(null, "name", "").equals("value");
assert ncd.findVariable("Temperature") != null;
assert ncd.findVariable("T") == null;
v = ncd.findVariable("ReletiveHumidity");
assert v != null;
Attribute att = v.findAttribute("long_name");
assert att != null;
assert att.getStringValue().equals("relatively humid");
assert null == v.findAttribute("description");
ncd.close();
}
public void testNcMLinDatasetScan() throws IOException {
Catalog cat = TestTdsLocal.open(null);
Dataset parent = cat.findDatasetByID("ModifyDatasetScan");
assert (parent != null) : "cant find dataset 'ModifyDatasetScan'";
Dataset ds = parent.findDatasetByName("example1.nc");
assert ds.getFeatureType() == FeatureType.GRID : ds.getFeatureType();
// ncml should not be sent to the client
//assert null == ds.getNcmlElement();
DataFactory fac = new DataFactory();
Formatter log = new Formatter();
NetcdfDataset ncd = fac.openDataset( ds, false, null, log);
assert ncd != null : log.toString();
Variable v = ncd.findVariable("record");
assert v != null;
assert ncd.findAttValueIgnoreCase(null, "name", "").equals("value");
assert ncd.findVariable("Temperature") != null;
assert ncd.findVariable("T") == null;
v = ncd.findVariable("ReletiveHumidity");
assert v != null;
Attribute att = v.findAttribute("long_name");
assert att != null;
assert att.getStringValue().equals("relatively humid");
assert null == v.findAttribute("description");
ncd.close();
}
public void testAggExisting() throws IOException, InvalidRangeException {
NetcdfFile ncfile = NetcdfDataset.openFile("http://localhost:8080/thredds/dodsC/ExampleNcML/Agg.nc", null);
System.out.printf("%s%n", ncfile);
Variable v = ncfile.findVariable("time");
assert v != null;
assert v.getDataType() == DataType.DOUBLE;
String units = v.getUnitsString();
assert units != null;
assert units.equals("hours since 2006-09-25T06:00:00Z");
int count = 0;
Array data = v.read();
NCdumpW.printArray(data, "time", new PrintWriter(System.out), null);
while (data.hasNext()) {
assert Misc.closeEnough(data.nextInt(), (count + 1) * 3);
count++;
}
// test attributes added in NcML
String testAtt = ncfile.findAttValueIgnoreCase(null, "ncmlAdded", null);
assert testAtt != null;
assert testAtt.equals("stuff");
v = ncfile.findVariable("lat");
assert v != null;
testAtt = ncfile.findAttValueIgnoreCase(v, "ncmlAdded", null);
assert testAtt != null;
assert testAtt.equals("lat_stuff");
ncfile.close();
}
public void testAggNew() throws IOException, InvalidRangeException {
NetcdfFile ncd = NetcdfDataset.openFile("http://localhost:8080/thredds/dodsC/aggNewTest/SUPER-NATIONAL_8km_WV.gini", null);
assert ncd != null;
Variable v = ncd.findVariable("time");
assert v != null;
String testAtt = ncd.findAttValueIgnoreCase(v, "units", null);
assert testAtt != null;
assert testAtt.equals("minutes since 2000-6-16 6:00");
Array data = v.read();
assert data.getSize() == v.getSize();
assert data.getSize() == 12;
int count = 0;
int[] want = new int[] {0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165};
IndexIterator ii = data.getIndexIterator();
while (ii.hasNext()) {
int val = ii.getIntNext();
assert val == want[count++];
}
// test strided access on an agg variable
v = ncd.findVariable("IR_WV");
assert v != null;
data = v.read("0:11:2,0,0");
assert data.getSize() == 6;
count = 0;
byte[] wantb = new byte[] {-75, -74, -74, -73, -71, -72};
ii = data.getIndexIterator();
while (ii.hasNext()) {
byte val = ii.getByteNext();
assert val == wantb[count++];
}
data = v.read("1:10:2,1,0");
NCdumpW.printArray(data, null, System.out, null);
assert data.getSize() == 5;
count = 0;
wantb = new byte[] {-75, -74, -74, -73, -71};
ii = data.getIndexIterator();
while (ii.hasNext()) {
byte val = ii.getByteNext();
assert val == wantb[count] : count+": "+val+" != "+ wantb[count];
count++;
}
ncd.close();
}
}