/*
* 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
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* any support, consulting, training or assistance of any kind with regard
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* 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,
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* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.nc2.dods;
import java.io.IOException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import ucar.ma2.Array;
import ucar.ma2.ArrayByte;
import ucar.ma2.ArrayInt;
import ucar.ma2.ArrayObject;
import ucar.ma2.DataType;
import ucar.ma2.Index;
import ucar.ma2.IndexIterator;
import ucar.ma2.InvalidRangeException;
import ucar.ma2.StructureData;
import ucar.ma2.StructureDataIterator;
import ucar.nc2.Structure;
import ucar.nc2.Variable;
import ucar.nc2.iosp.hdf5.H5header;
import ucar.nc2.util.DebugFlagsImpl;
import ucar.unidata.util.test.category.NeedsExternalResource;
/**
* Test nc2 dods in the JUnit framework.
* Dataset {
* Structure {
* Byte b;
* Int32 i32;
* UInt32 ui32;
* Int16 i16;
* UInt16 ui16;
* Float32 f32;
* Float64 f64;
* String s;
* Url u;
* } types[10];
* } ArrayOfStructures;
*/
@Category(NeedsExternalResource.class)
public class TestDODSArrayOfStructure {
private DODSNetcdfFile dodsfile;
@After
public void after() throws IOException {
dodsfile.close();
H5header.setDebugFlags(new DebugFlagsImpl("")); // make sure debug flags are off
}
@Before
public void setUp() throws Exception {
DODSNetcdfFile.setPreload(false);
dodsfile = TestDODSRead.open("test.50");
DODSNetcdfFile.setPreload(true);
DODSNetcdfFile.setDebugFlags(new DebugFlagsImpl("DODS/serverCall"));
}
@Test
public void testScalarReadByte() throws IOException {
Variable v = null;
Array a = null;
assert null != (v = dodsfile.findVariable("types"));
v.setCaching(false);
assert v instanceof Structure;
Structure s = (Structure) v;
assert (null != (v = s.findVariable("b")));
assert v.getShortName().equals("b");
assert v.getRank() == 0;
assert v.getSize() == 1;
assert v.getDataType() == DataType.BYTE;
// note this reads all 10 bytes
a = v.read();
assert a.getRank() == 1;
assert a.getSize() == 10;
assert a.getElementType() == byte.class;
assert a instanceof ArrayByte.D1;
byte valb = ((ArrayByte.D1) a).get(0);
assert (valb == 0);
}
@Test
public void testReadScalarMemberVariable() throws IOException {
Variable v = dodsfile.findVariable("types.i32");
assert v != null;
assert v.getRank() == 0;
assert v.getDataType() == DataType.INT : v.getDataType();
Array a = v.read();
Index ima = a.getIndex();
assert a.getRank() == 1;
assert a.getInt(ima) == 1 : a.getInt(ima);
assert a instanceof ArrayInt.D1;
v = dodsfile.findVariable("types.s");
assert v != null;
assert v.getRank() == 0;
assert v.getDataType() == DataType.STRING : v.getDataType();
a = v.read();
assert a.getRank() == 1;
assert a instanceof ArrayObject.D1;
ArrayObject.D1 a0 = (ArrayObject.D1) a;
assert a0.get(0).equals("This is a data test string (pass 0).");
}
@Test
public void testReadArrayOfStructs() throws IOException, InvalidRangeException {
Variable v = dodsfile.findVariable("types");
assert v != null;
assert v instanceof DODSStructure;
assert v.getRank() == 1;
assert v.getDataType() == DataType.STRUCTURE;
DODSStructure struct = (DODSStructure) v;
Array data = struct.read();
assert data.getRank() == 1;
assert data.getElementType().equals(StructureData.class);
IndexIterator ii = data.getIndexIterator();
while (ii.hasNext()) {
Object d = ii.next();
assert d instanceof StructureData : d.getClass().getName();
}
}
@Test
public void testRead1DArrayOfStructs() throws IOException, InvalidRangeException {
Variable v = dodsfile.findVariable("types");
assert v != null;
assert v instanceof DODSStructure;
assert v.getRank() == 1;
assert v.getDataType() == DataType.STRUCTURE;
DODSStructure struct = (DODSStructure) v;
for (int i = 0; i < struct.getSize(); i++) {
StructureData sd = struct.readStructure(i);
assert sd.getScalarByte("b") == 0 : sd.getScalarByte("b");
assert sd.getScalarString("s").equals("This is a data test string (pass " + 0 + ").");
}
}
@Test
public void testReadIteratorArrayOfStructs() throws IOException, InvalidRangeException {
Variable v = dodsfile.findVariable("types");
assert v != null;
assert v instanceof DODSStructure;
assert v.getRank() == 1;
assert v.getDataType() == DataType.STRUCTURE;
DODSStructure struct = (DODSStructure) v;
StructureDataIterator iter = struct.getStructureIterator();
try {
while (iter.hasNext()) {
StructureData sd = iter.next();
}
} finally {
iter.finish();
}
}
}