/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.core.types;
import static org.junit.Assert.*;
import java.io.IOException;
import java.io.Reader;
import javax.sql.rowset.serial.SerialClob;
import javax.sql.rowset.serial.SerialException;
import org.junit.Test;
import org.teiid.core.util.UnitTestUtil;
@SuppressWarnings("nls")
public class TestClobValue {
@Test public void testClobValue() throws Exception {
String testString = "this is test clob"; //$NON-NLS-1$
SerialClob clob = new SerialClob(testString.toCharArray());
ClobType cv = new ClobType(clob);
assertEquals(testString, cv.getSubString(1L, (int)cv.length()));
}
@Test public void testClobValuePersistence() throws Exception {
String testString = "this is test clob"; //$NON-NLS-1$
SerialClob clob = new SerialClob(testString.toCharArray());
ClobType cv = new ClobType(clob);
String key = cv.getReferenceStreamId();
// now force to serialize
ClobType read = UnitTestUtil.helpSerialize(cv);
assertTrue(read.length() > 0);
// make sure we have kept the reference stream id
assertEquals(key, read.getReferenceStreamId());
// and lost the original object
assertNull(read.getReference());
}
@Test public void testReferencePersistence() throws Exception {
String testString = "this is test clob"; //$NON-NLS-1$
SerialClob clob = new SerialClob(testString.toCharArray());
ClobType cv = new ClobType(clob);
cv.setReferenceStreamId(null);
// now force to serialize
ClobType read = UnitTestUtil.helpSerialize(cv);
assertTrue(read.length() > 0);
assertEquals(testString, read.getSubString(1, testString.length()));
}
@SuppressWarnings("serial")
@Test public void testReferencePersistenceError() throws Exception {
String testString = "this is test clob"; //$NON-NLS-1$
SerialClob clob = new SerialClob(testString.toCharArray()) {
@Override
public Reader getCharacterStream() throws SerialException {
throw new SerialException();
}
};
ClobType cv = new ClobType(clob);
cv.setReferenceStreamId(null);
// now force to serialize
ClobType read = UnitTestUtil.helpSerialize(cv);
assertTrue(read.length() > 0);
assertNotNull(read.getReferenceStreamId());
assertNull(read.getReference());
}
@Test public void testClobSubstring() throws Exception {
ClobImpl clob = new ClobImpl() {
public java.io.Reader getCharacterStream() throws java.sql.SQLException {
return new Reader() {
int pos = 0;
@Override
public void close() throws IOException {
}
@Override
public int read(char[] cbuf, int off, int len)
throws IOException {
if (pos < 2) {
cbuf[off] = 'a';
pos++;
return 1;
}
return -1;
}
};
}
};
assertEquals("aa", clob.getSubString(1, 3));
assertEquals("", clob.getSubString(1, 0));
clob = new ClobImpl("hello world");
assertEquals("hel", clob.getSubString(1, 3));
assertEquals("orld", clob.getSubString(8, 5));
}
@Test public void testClobCompare() throws Exception {
String testString = "this is test clob"; //$NON-NLS-1$
SerialClob clob = new SerialClob(testString.toCharArray());
ClobType ct = new ClobType(clob);
SerialClob clob1 = new SerialClob(testString.toCharArray());
ClobType ct1 = new ClobType(clob1);
assertEquals(0, ct1.compareTo(ct));
}
@Test public void testClobHashError() throws Exception {
String testString = "this is test clob"; //$NON-NLS-1$
SerialClob clob = new SerialClob(testString.toCharArray());
clob.free();
ClobType ct = new ClobType(clob);
assertEquals(0, ct.hashCode());
}
}