/*
* 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.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.nc2.ncml;
import junit.framework.*;
import ucar.ma2.*;
import ucar.nc2.*;
import ucar.nc2.ncml.NcMLReader;
import ucar.nc2.ncml.TestNcML;
import java.io.IOException;
/** Test netcdf dataset in the JUnit framework. */
public class TestNcMLReadOverride extends TestCase {
public TestNcMLReadOverride( String name) {
super(name);
}
static NetcdfFile ncfile = null;
public void setUp() {
if (ncfile != null) return;
String filename = "file:./"+TestNcML.topDir + "testReadOverride.xml";
try {
ncfile = NcMLReader.readNcML(filename, null);
//System.out.println("ncfile = "+ncfile);
} catch (java.net.MalformedURLException e) {
System.out.println("bad URL error = "+e);
} catch (IOException e) {
System.out.println("IO error = "+e);
e.printStackTrace();
}
}
protected void tearDown() throws IOException {
ncfile.close();
ncfile = null;
}
public void testRemoved() {
// rh was removed
Variable v = ncfile.findVariable("rh");
assert null == v;
}
public void testReadReplaced() {
Variable v = ncfile.findVariable("time");
assert null != v;
assert v.getShortName().equals("time");
assert v.getRank() == 1;
assert v.getSize() == 2;
assert v.getShape()[0] == 2;
assert v.getDataType() == DataType.DOUBLE;
assert v.isUnlimited();
assert v.getDimension(0) == ncfile.findDimension("time");
Attribute att = v.findAttribute("units");
assert null != att;
assert !att.isArray();
assert att.isString();
assert att.getDataType() == DataType.STRING;
assert att.getStringValue().equals("days");
assert att.getNumericValue() == null;
assert att.getNumericValue(3) == null;
try {
Array data = v.read();
assert data.getRank() == 1;
assert data.getSize() == 2;
assert data.getShape()[0] == 2;
assert data.getElementType() == double.class;
IndexIterator dataI = data.getIndexIterator();
assert close( dataI.getDoubleNext(),0.5);
assert close( dataI.getDoubleNext(),1.5);
try {
dataI.getDoubleNext();
assert (false);
} catch (Exception e) {
}
} catch (IOException io) {}
}
public void testReadData() {
Variable v = ncfile.findVariable("T");
assert null != v;
assert v.getShortName().equals("T");
assert v.getRank() == 3;
assert v.getSize() == 24;
assert v.getShape()[0] == 2;
assert v.getShape()[1] == 3;
assert v.getShape()[2] == 4;
assert v.getDataType() == DataType.DOUBLE;
assert !v.isCoordinateVariable();
assert v.isUnlimited();
assert v.getDimension(0) == ncfile.findDimension("time");
assert v.getDimension(1) == ncfile.findDimension("lat");
assert v.getDimension(2) == ncfile.findDimension("lon");
Attribute att = v.findAttribute("units");
assert null != att;
assert !att.isArray();
assert att.isString();
assert att.getDataType() == DataType.STRING;
assert att.getStringValue().equals("degC");
assert att.getNumericValue() == null;
assert att.getNumericValue(3) == null;
try {
Array data = v.read();
assert data.getRank() == 3;
assert data.getSize() == 24;
assert data.getShape()[0] == 2;
assert data.getShape()[1] == 3;
assert data.getShape()[2] == 4;
assert data.getElementType() == double.class;
IndexIterator dataI = data.getIndexIterator();
assert close( dataI.getDoubleNext(),1.0);
assert close( dataI.getDoubleNext(),2.0);
assert close( dataI.getDoubleNext(),3.0);
assert close( dataI.getDoubleNext(),4.0);
assert close( dataI.getDoubleNext(),2.0);
} catch (IOException io) {}
}
boolean close( double d1, double d2) {
//System.out.println(d1+" "+d2);
return Math.abs((d1-d2)/d1) < 1.0e-5;
}
}