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package test.object;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.Arrays;
import java.util.List;
import ncsa.hdf.hdf5lib.H5;
import ncsa.hdf.hdf5lib.HDF5Constants;
import ncsa.hdf.object.Attribute;
import ncsa.hdf.object.Datatype;
import ncsa.hdf.object.FileFormat;
import ncsa.hdf.object.h5.H5Datatype;
import ncsa.hdf.object.h5.H5File;
import ncsa.hdf.object.h5.H5Group;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* @author Rishi R. Sinha
*
*/
public class AttributeTest {
private final static org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(AttributeTest.class);
private static final H5File H5FILE = new H5File();
private H5File testFile = null;
private H5Group testGroup = null;
private Attribute strAttr = null;
private Attribute arrayIntAttr = null;
@BeforeClass
public static void createFile() throws Exception {
try {
int openID = H5.getOpenIDCount();
if (openID > 0)
System.out.println("AttributTest 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("AttributTest 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 = (H5Group) testFile.get(H5TestFile.NAME_GROUP_ATTR);
assertNotNull(testGroup);
List testAttrs = testGroup.getMetadata();
assertNotNull(testAttrs);
strAttr = (Attribute) testAttrs.get(1);
assertNotNull(strAttr);
arrayIntAttr = (Attribute) testAttrs.get(0);
assertNotNull(arrayIntAttr);
}
@After
public void removeFiles() throws Exception {
if (testFile != null) {
try {
testFile.close();
}
catch (final Exception ex) {
log.debug("testfile close failure: ", 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.Attribute#Attribute(java.lang.String, ncsa.hdf.object.Datatype, long[])} .
* <p>
* Here we test:
* <ul>
* <li>Creating a new attribute with no value.
* <li>Setting the attribute value.
* </ul>
*
*/
@Test
public void testAttributeStringDatatypeLongArray() {
log.debug("testAttributeStringDatatypeLongArray");
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);
attr.setValue(classValue);
assertNotNull(attr);
assertEquals(classValue[0], attr.toString("|"));
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.Attribute#Attribute(java.lang.String, ncsa.hdf.object.Datatype, long[], java.lang.Object)}
* .
* <p>
* Here we test:
* <ul>
* <li>Creating a new attribute with a value.
* </ul>
*/
@Test
public void testAttributeStringDatatypeLongArrayObject() {
log.debug("testAttributeStringDatatypeLongArrayObject");
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, classValue);
assertNotNull(attr);
assertEquals(classValue[0], attr.toString("|"));
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.Attribute#getValue()}.
*
* Here we test:
* <ul>
* <li>Getting the value for the two attributes (the string attribute and the int array attribute).
* </ul>
*/
@Test
public void testGetValue() {
log.debug("testGetValue");
assertEquals(((String[]) strAttr.getValue())[0], "String attribute.");
assertTrue(Arrays.equals((int[]) arrayIntAttr.getValue(), new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }));
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.Attribute#setValue(java.lang.Object)}.
* <p>
* Here we test:
* <ul>
* <li>Setting new value for the two attributes (the string attribute and the int array attribute).
* </ul>
*/
@Test
public void testSetValue() {
log.debug("testSetValue");
String[] prevValue = (String[]) strAttr.getValue();
strAttr.setValue("Temp String Value");
assertEquals(((String) strAttr.getValue()), "Temp String Value");
strAttr.setValue(prevValue);
int[] intPrevValue = (int[]) arrayIntAttr.getValue();
arrayIntAttr.setValue(new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 });
assertTrue(Arrays.equals((int[]) arrayIntAttr.getValue(), new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }));
arrayIntAttr.setValue(intPrevValue);
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.Attribute#getName()}.
* <p>
* Here we test:
* <ul>
* <li>Getting the names of the two attributes (the string attribute and the int array attribute).
* </ul>
*/
@Test
public void testGetName() {
log.debug("testGetName");
assertTrue(strAttr.getName().equals("strAttr"));
assertTrue(arrayIntAttr.getName().equals("arrayInt"));
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.Attribute#getRank()}.
* <p>
* Here we test:
* <ul>
* <li>Getting the rank for the two attributes (the string attribute and the int array attribute).
* </ul>
*/
@Test
public void testGetRank() {
log.debug("testGetRank");
assertEquals(strAttr.getRank(), 1);
assertEquals(arrayIntAttr.getRank(), 1);
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.Attribute#getDataDims()}.
* <p>
* Here we test:
* <ul>
* <li>Getting the dimensionalities for the two attributes (the string attribute and the int array attribute).
* </ul>
*/
@Test
public void testGetDataDims() {
log.debug("testGetDataDims");
assertEquals(strAttr.getDataDims()[0], 1);
assertEquals(arrayIntAttr.getDataDims()[0], 10);
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.Attribute#getType()}.
* <p>
* Here we test:
* <ul>
* <li>Getting the value for the two attributes (the string attribute and the int array attribute).
* </ul>
*/
@Test
public void testGetType() {
log.debug("testGetType");
assertTrue(strAttr.getType().getDatatypeDescription().equals("String, length = 20"));
assertTrue(arrayIntAttr.getType().getDatatypeDescription().equals("32-bit integer"));
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.Attribute#isUnsigned()}.
* <p>
* Here we test:
* <ul>
* <li>Check if the two attributes (the string attribute and the int array attribute) are unsigned.
* </ul>
*/
@Test
public void testIsUnsigned() {
log.debug("testIsUnsigned");
assertFalse(strAttr.isUnsigned());
assertFalse(arrayIntAttr.isUnsigned());
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.Attribute#toString(java.lang.String)}.
* <p>
* Here we test:
* <ul>
* <li>the toString method for the two attributes (the string attribute and the int array attribute).
* </ul>
*/
@Test
public void testToStringString() {
log.debug("testToStringString");
assertTrue(strAttr.toString(",").equals("String attribute."));
assertTrue(arrayIntAttr.toString(",").equals("1,2,3,4,5,6,7,8,9,10"));
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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