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/**
*
*/
package test.object;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
import java.util.List;
import ncsa.hdf.hdf5lib.H5;
import ncsa.hdf.hdf5lib.HDF5Constants;
import ncsa.hdf.object.Attribute;
import ncsa.hdf.object.DataFormat;
import ncsa.hdf.object.Datatype;
import ncsa.hdf.object.FileFormat;
import ncsa.hdf.object.h5.H5Datatype;
import ncsa.hdf.object.h5.H5File;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* @author rsinha
*
*/
public class DataFormatTest {
private final static org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(DataFormatTest.class);
private static final H5File H5FILE = new H5File();
private H5File testFile = null;
private DataFormat testGroup = null;
@BeforeClass
public static void createFile() throws Exception {
try {
int openID = H5.getOpenIDCount();
if (openID > 0)
System.out.println("DataFormatTest BeforeClass: Number of IDs still open: " + openID);
}
catch (Exception ex) {
ex.printStackTrace();
}
try {
H5TestFile.createTestFile(null);
}
catch (final Exception ex) {
System.out.println("*** Unable to create HDF5 test file. " + ex);
System.exit(-1);
}
}
@AfterClass
public static void checkIDs() throws Exception {
try {
int openID = H5.getOpenIDCount();
if (openID > 0)
System.out.println("DataFormatTest AfterClass: Number of IDs still open: " + openID);
}
catch (Exception ex) {
ex.printStackTrace();
}
}
@Before
public void openFiles() throws Exception {
try {
int openID = H5.getOpenIDCount();
if (openID > 0)
log.debug("Before: Number of IDs still open: " + openID);
}
catch (Exception ex) {
ex.printStackTrace();
}
testFile = (H5File) H5FILE.open(H5TestFile.NAME_FILE_H5, FileFormat.WRITE);
assertNotNull(testFile);
testGroup = testFile.get(H5TestFile.NAME_GROUP_ATTR);
assertNotNull(testGroup);
}
@After
public void removeFiles() throws Exception {
if (testFile != null) {
try {
testFile.close();
}
catch (final Exception ex) {
}
testFile = null;
}
try {
int openID = H5.getOpenIDCount();
if (openID > 0)
log.debug("After: Number of IDs still open: " + openID);
}
catch (Exception ex) {
ex.printStackTrace();
}
}
/**
* Test method for {@link ncsa.hdf.object.DataFormat#getFile()}.
* <ul>
* <li>Test if the file name is correct
* </ul>
*/
@Test
public void testGetFile() {
log.debug("testGetFile");
if (!testGroup.getFile().equals(H5TestFile.NAME_FILE_H5)) {
fail("getFile() fails.");
}
int nObjs = 0;
try {
nObjs = H5.H5Fget_obj_count(testFile.getFID(), HDF5Constants.H5F_OBJ_ALL);
}
catch (final Exception ex) {
fail("H5.H5Fget_obj_count() failed. " + ex);
}
assertEquals(1, nObjs); // file id should be the only one left open
}
/**
* Test method for {@link ncsa.hdf.object.DataFormat#getMetadata()}.
* <ul>
* <li>Reading the attributes
* <li>Checking the values of attributes
* </ul>
*/
@Test
public void testGetMetadata() {
log.debug("testGetMetadata");
Attribute strAttr = null;
Attribute arrayIntAttr = null;
List mdataList = null;
try {
mdataList = testGroup.getMetadata();
}
catch (final Exception ex) {
fail("getMetadata() failed. " + ex);
}
strAttr = (Attribute) mdataList.get(0);
arrayIntAttr = (Attribute) mdataList.get(1);
String[] value = (String[]) strAttr.getValue();
if (!value[0].equals("String attribute.")) {
fail("getMdata() failed.");
}
int[] intValue = (int[]) arrayIntAttr.getValue();
long[] dims = arrayIntAttr.getDataDims();
for (int i = 0; i < dims[0]; i++) {
if (intValue[i] != i + 1) {
fail("getValue() failed");
}
}
int nObjs = 0;
try {
nObjs = H5.H5Fget_obj_count(testFile.getFID(), HDF5Constants.H5F_OBJ_ALL);
}
catch (final Exception ex) {
fail("H5.H5Fget_obj_count() failed. " + ex);
}
assertEquals(1, nObjs); // file id should be the only one left open
}
/**
* Test method for {@link ncsa.hdf.object.DataFormat#writeMetadata(java.lang.Object)}.
* <ul>
* <li>Writing new attributes
* <li>Checking that the new attributes are written in file
* </ul>
*/
@Test
public void testWriteMetadata() {
log.debug("testWriteMetadata");
long[] attrDims = { 1 };
String attrName = "CLASS";
String[] classValue = { "IMAGE" };
Datatype attrType = new H5Datatype(Datatype.CLASS_STRING, classValue[0].length() + 1, -1, -1);
Attribute attr = new Attribute(attrName, attrType, attrDims);
assertNotNull(testGroup);
assertNotNull(attr);
attr.setValue(classValue);
try {
testGroup.writeMetadata(attr);
}
catch (Exception ex) {
fail("writeMetadata() failed " + ex.getMessage());
}
List mdataList = null;
try {
mdataList = testGroup.getMetadata();
}
catch (final Exception ex) {
fail("getMetadata() failed. " + ex);
}
assertEquals(3, mdataList.size());
Attribute strAttr = null;
Attribute arrayIntAttr = null;
strAttr = (Attribute) mdataList.get(0);
arrayIntAttr = (Attribute) mdataList.get(1);
String[] value = (String[]) strAttr.getValue();
if (!value[0].equals("String attribute.")) {
fail("writeMdata() failed.");
}
int[] intValue = (int[]) arrayIntAttr.getValue();
long[] dims = arrayIntAttr.getDataDims();
for (int i = 0; i < dims[0]; i++) {
if (intValue[i] != i + 1) {
fail("writeValue() failed");
}
}
strAttr = (Attribute) mdataList.get(2);
value = (String[]) strAttr.getValue();
if (!value[0].equals("IMAGE")) {
fail("writeMetadata() failed.");
}
int nObjs = 0;
try {
nObjs = H5.H5Fget_obj_count(testFile.getFID(), HDF5Constants.H5F_OBJ_ALL);
}
catch (final Exception ex) {
fail("H5.H5Fget_obj_count() failed. " + ex);
}
assertEquals(1, nObjs); // file id should be the only one left open
}
/**
* Test method for {@link ncsa.hdf.object.DataFormat#removeMetadata(java.lang.Object)}.
* <ul>
* <li>Remove an attribute
* </ul>
*/
@Test
public void testRemoveMetadata() {
log.debug("testRemoveMetadata");
List mdataList = null;
try {
mdataList = testGroup.getMetadata();
}
catch (final Exception ex) {
fail("getMetadata() failed. " + ex.getMessage());
}
Attribute strAttr = (Attribute) mdataList.get(2);
try {
testGroup.removeMetadata(strAttr);
}
catch (Exception e) {
fail("removeMetadata() failed " + e.getMessage());
}
assertEquals(2, mdataList.size());
int nObjs = 0;
try {
nObjs = H5.H5Fget_obj_count(testFile.getFID(), HDF5Constants.H5F_OBJ_ALL);
}
catch (final Exception ex) {
fail("H5.H5Fget_obj_count() failed. " + ex);
}
assertEquals(1, nObjs); // file id should be the only one left open
}
}
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