awips2/nativeLib/rary.cots.hdf5/test/unittests/FileFormatTest.java

/**
 * 
 */
package test.unittests;

import java.util.Enumeration;

import junit.framework.TestCase;
import ncsa.hdf.hdf5lib.H5;
import ncsa.hdf.hdf5lib.HDF5Constants;
import ncsa.hdf.object.FileFormat;
import ncsa.hdf.object.h5.H5File;

/**
 * @author rsinha
 *
 */
public class FileFormatTest extends TestCase {
	  private static final H5File H5FILE = new H5File();
	    
	  private FileFormat testFile = null;
	/**
	 * @param arg0
	 */
	public FileFormatTest(String arg0) {
		super(arg0);
	}

	/* (non-Javadoc)
	 * @see junit.framework.TestCase#setUp()
	 */
	protected void setUp() throws Exception {
		super.setUp();
		testFile = H5FILE.open(H5TestFile.NAME_FILE_H5, FileFormat.WRITE);
        assertNotNull(testFile);
        testFile.open();
	}

	/* (non-Javadoc)
	 * @see junit.framework.TestCase#tearDown()
	 */
	protected void tearDown() throws Exception {
		super.tearDown();
		 final int fid = testFile.getFID();
	        if (fid > 0) {
	            int nObjs = 0;
	            try { nObjs = H5.H5Fget_obj_count(fid, 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
	         }
	       
	        if (testFile != null) {
	            try { testFile.close(); } catch (final Exception ex) {}
	            testFile = null;
	        }
	}

	/**
	 * Test method for {@link ncsa.hdf.object.FileFormat#create(java.lang.String, int)}.
	 * <p>
	 * What to test:
     * <ul> 
     *   <li> Create a file that is already created with option FILE_CREATE_OPEN.
     *   <li> Create a file that is already created and opened with option FILE_CREATE_DELETE.
     *   <li> Create a file that is already created and not opened with FILE_CREATE_DELETE.
     *   <li> Create a file that is new with FILE_CREATE_DELETE.
     *   <li> Create a file that is new with FILE_CREATE_OPEN.
     * </ul>
     * 
	 */
/*
 * RUTH - come back and update this with new method, createInstance
	public final void testCreateStringInt() {
		FileFormat f = FileFormat.getFileFormat(FileFormat.FILE_TYPE_HDF5);

		try {
			f.create(H5TestFile.NAME_FILE_H5, FileFormat.FILE_CREATE_OPEN);
		} catch (Exception ex) {
			fail("Create Failed " + ex.getMessage());
		}
		try {
			f.create(H5TestFile.NAME_FILE_H5, FileFormat.FILE_CREATE_DELETE);
		} catch (Exception ex) {
			; //Expected to fail.
		}
		try {
			f.create("simpleFile", FileFormat.FILE_CREATE_DELETE);
		} catch (Exception ex) {
			fail("Create failed " + ex.getMessage());
		}
		try {
			f.create("testFile", FileFormat.FILE_CREATE_DELETE);
		} catch (Exception ex) {
			fail("Create failed " + ex.getMessage());
		}
		try {
			f.create("testFile", FileFormat.FILE_CREATE_OPEN);
		} catch (Exception ex) {
			fail("Create failed " + ex.getMessage());
		}
	}

*/
	/**
	 * Test method for {@link ncsa.hdf.object.FileFormat#getNumberOfMembers()}.
	 * <p>
	 * <ul>
	 * 		<li> Test the number of compements.
	 *  </ul>
	 */
	public final void testGetNumberOfMembers() {
		assertEquals(testFile.getNumberOfMembers(), 21);
	}

	/**
	 * Test method for {@link ncsa.hdf.object.FileFormat#getFileFormat(java.lang.String)}.
	 * <p>
	 * <ul>
	 *   <li> Test for HDF5.
	 * </ul>  
	 */
	public final void testGetFileFormat() {
		FileFormat f = FileFormat.getFileFormat("HDF5");
		assertNotNull(f);
	}

	/**
	 * Test method for {@link ncsa.hdf.object.FileFormat#getFileFormatKeys()}.
	 * <p>
	 * <ul>
	 *   <li> current file formats are HDF5, HDF.
	 * </ul>  
	 */
	public final void testGetFileFormatKeys() {
		Enumeration e = FileFormat.getFileFormatKeys();
		String keys[] = {"HDF5", "HDF4"};
		int pos = 0;
		while (e.hasMoreElements()) {
			assertEquals(keys[pos++], e.nextElement());
		}
	}

	/**
	 * Test method for {@link ncsa.hdf.object.FileFormat#getFID()}.
	 * <p>
	 * <ul>
	 *   <li> Make sure the fid is not -1.
	 * </ul>
	 */
	public final void testGetFID() {
		assertTrue((testFile.getFID() != -1));
	}

	/**
	 * Test method for {@link ncsa.hdf.object.FileFormat#getInstance(java.lang.String)}.
	 * <p>
	 * <ul>
	 *   <li> Open an non existing file.
	 *   <li> Open an exisiting file.
	 * </ul>
	 */
	public final void testGetInstance() {
		H5File f = null;
		try {
			f = (H5File) FileFormat.getInstance("test_hdf5.h5");
		}
		catch (Exception ex) {
			;
		}
		assertNull(f);
		
		try {
			f = (H5File) FileFormat.getInstance(H5TestFile.NAME_FILE_H5);
		}
		catch (Exception ex){
			fail("getInstance() failed" + ex.getMessage());
		}
		assertNotNull(f);
	}

	/**
	 * Test method for {@link ncsa.hdf.object.FileFormat#getFileFormats()}.
	 * <p>
	 * <ul>
	 *   <li> Test that the FileFormat object is formed for HDF5.
	 * </ul>
	 */
	public final void testGetFileFormats() {
		FileFormat f = FileFormat.getFileFormat("HDF5");
		assertNotNull(f);
		FileFormat f1 = FileFormat.getFileFormat("ALL");
		assertNull(f1);
	}

}