/*
* 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.sql.Types;
import java.util.Arrays;
import java.util.Set;
import javax.sql.rowset.serial.SerialBlob;
import org.junit.Test;
@SuppressWarnings("nls")
public class TestDataTypeManager {
private void helpDetermineDataType(Object value, Class<?> expectedClass) {
Class<?> actualClass = DataTypeManager.determineDataTypeClass(value);
assertNotNull("Should never receive null when determining data type of object: " + value); //$NON-NLS-1$
assertEquals("Mismatch in expected and actual MetaMatrix type class for [" + value + "]: ", expectedClass, actualClass); //$NON-NLS-1$ //$NON-NLS-2$
}
public static String[] dataTypes = {"string","char","boolean","byte","short","integer","long","biginteger", //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$ //$NON-NLS-8$
"float","double","bigdecimal","date","time","timestamp","object","blob","clob", DataTypeManager.DefaultDataTypes.XML}; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$ //$NON-NLS-8$ //$NON-NLS-9$
/**
* I - Implicitly Converted
* C - Explicitly Converted
* N - Cannot be converted
* o - No conversion needed
*/
public static char conversions [][] =
{
/* Big */
/* i d */
/* s n b d e Time o */
/* t s t i f o c s b */
/* r c b b h e L g l u i d t t j b c */
/* i h o y o g o i o b m a i a e l l x */
/* n a o t r e n n a l a t m m c o o m */
/* g r l e t r g t t e l e e p t b b l */
/* -------------------------------------------------------------------------*/
/*String*/ { 'O','C','C','C','C','C','C','C','C','C','C','C','C','C','I','N','I','C' },
/*char*/ { 'I','O','N','N','N','N','N','N','N','N','N','N','N','N','I','N','N','N' },
/*bool*/ { 'I','N','O','I','I','I','I','I','I','I','I','N','N','N','I','N','N','N' },
/*byte*/ { 'I','N','C','O','I','I','I','I','I','I','I','N','N','N','I','N','N','N' },
/*short*/ { 'I','N','C','C','O','I','I','I','I','I','I','N','N','N','I','N','N','N' },
/*int*/ { 'I','N','C','C','C','O','I','I','C','I','I','N','N','N','I','N','N','N' },
/*long*/ { 'I','N','C','C','C','C','O','I','C','C','I','N','N','N','I','N','N','N' },
/*bigint*/ { 'I','N','C','C','C','C','C','O','C','C','I','N','N','N','I','N','N','N' },
/*float*/ { 'I','N','C','C','C','C','C','C','O','I','I','N','N','N','I','N','N','N' },
/*double*/ { 'I','N','C','C','C','C','C','C','C','O','I','N','N','N','I','N','N','N' },
/*bigdecimal*/ { 'I','N','C','C','C','C','C','C','C','C','O','N','N','N','I','N','N','N' },
/*date*/ { 'I','N','N','N','N','N','N','N','N','N','N','O','N','I','I','N','N','N' },
/*time*/ { 'I','N','N','N','N','N','N','N','N','N','N','N','O','I','I','N','N','N' },
/*timestamp*/ { 'I','N','N','N','N','N','N','N','N','N','N','C','C','O','I','N','N','N' },
/*object*/ { 'C','C','C','C','C','C','C','C','C','C','C','C','C','C','O','C','C','C' },
/*blob*/ { 'N','N','N','N','N','N','N','N','N','N','N','N','N','N','I','O','N','N' },
/*clob*/ { 'C','N','N','N','N','N','N','N','N','N','N','N','N','N','I','N','O','N' },
/*xml*/ { 'C','N','N','N','N','N','N','N','N','N','N','N','N','N','I','N','N','O' }
};
// ################################## ACTUAL TESTS ################################
@Test public void testTypeMappings() {
Set<String> dataTypeNames = DataTypeManager.getAllDataTypeNames();
for (String dataTypeName : dataTypeNames) {
Class<?> dataTypeClass = DataTypeManager.getDataTypeClass(dataTypeName);
assertNotNull("Data type class was null for type " + dataTypeName, dataTypeClass); //$NON-NLS-1$
String dataTypeName2 = DataTypeManager.getDataTypeName(dataTypeClass);
assertEquals("Name to class to name not equals: ", dataTypeName, dataTypeName2); //$NON-NLS-1$
}
}
@Test public void testCheckConversions() {
for (int src = 0; src < dataTypes.length; src++) {
for (int tgt =0; tgt < dataTypes.length; tgt++) {
char c = conversions[src][tgt];
if (c == 'I') {
assertTrue("src="+dataTypes[src]+" target="+dataTypes[tgt]+" should be Implicit", DataTypeManager.isImplicitConversion(dataTypes[src], dataTypes[tgt])); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
assertFalse("src="+dataTypes[src]+" target="+dataTypes[tgt]+" should be not be Explicit", DataTypeManager.isExplicitConversion(dataTypes[src], dataTypes[tgt])); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
assertTrue("src="+dataTypes[src]+" target="+dataTypes[tgt]+" transform should be avaialble", DataTypeManager.isTransformable(dataTypes[src], dataTypes[tgt])); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
else if (c == 'C') {
assertFalse("src="+dataTypes[src]+" target="+dataTypes[tgt]+" should not be Implicit", DataTypeManager.isImplicitConversion(dataTypes[src], dataTypes[tgt])); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
assertTrue("src="+dataTypes[src]+" target="+dataTypes[tgt]+" should be Explicit", DataTypeManager.isExplicitConversion(dataTypes[src], dataTypes[tgt])); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
assertTrue("src="+dataTypes[src]+" target="+dataTypes[tgt]+" transform should be avaialble", DataTypeManager.isTransformable(dataTypes[src], dataTypes[tgt])); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
else if ( c == 'O' || c == 'N') {
assertFalse("src="+dataTypes[src]+" target="+dataTypes[tgt]+" should not be Implicit", DataTypeManager.isImplicitConversion(dataTypes[src], dataTypes[tgt])); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
assertFalse("src="+dataTypes[src]+" target="+dataTypes[tgt]+" should not be Explicit", DataTypeManager.isExplicitConversion(dataTypes[src], dataTypes[tgt])); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
assertFalse("src="+dataTypes[src]+" target="+dataTypes[tgt]+" No transform should be avaialble", DataTypeManager.isTransformable(dataTypes[src], dataTypes[tgt])); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}
}
}
/** Test determine data type for a STRING object. */
@Test public void testDetermineDataType1() {
helpDetermineDataType("abc", DataTypeManager.DefaultDataClasses.STRING); //$NON-NLS-1$
}
/** Test determine data type for a NULL object. */
@Test public void testDetermineDataType2() {
helpDetermineDataType(null, DataTypeManager.DefaultDataClasses.NULL);
}
/** Test determine data type for an unknown object type - should be typed as an OBJECT. */
@Test public void testDetermineDataType3() throws Exception {
java.net.URL url = new java.net.URL("http://fake"); //$NON-NLS-1$
helpDetermineDataType(url, DataTypeManager.DefaultDataClasses.OBJECT);
}
@Test public void testCheckAllConversions() {
Set<String> allTypes = DataTypeManager.getAllDataTypeNames();
for (String src : allTypes) {
for (String tgt : allTypes) {
boolean isImplicit = DataTypeManager.isImplicitConversion(src, tgt);
boolean isExplicit = DataTypeManager.isExplicitConversion(src, tgt);
if(isImplicit && isExplicit) {
fail("Can't be both implicit and explicit for " + src + " to " + tgt); //$NON-NLS-1$ //$NON-NLS-2$
}
}
}
}
@Test public void testTimeConversions() {
Transform t = DataTypeManager.getTransform(DataTypeManager.DefaultDataTypes.TIMESTAMP, DataTypeManager.DefaultDataTypes.DATE);
assertEquals(DataTypeManager.DefaultDataClasses.DATE, t.getTargetType());
t = DataTypeManager.getTransform(DataTypeManager.DefaultDataTypes.TIME, DataTypeManager.DefaultDataTypes.TIMESTAMP);
assertEquals(DataTypeManager.DefaultDataClasses.TIMESTAMP, t.getTargetType());
}
@Test public void testJDBCSQLTypeInfo() {
String[] types = JDBCSQLTypeInfo.getMMTypeNames();
for (int i = 0; i < types.length; i++) {
String type = types[i];
assertEquals("Didn't get match for "+ type, JDBCSQLTypeInfo.getSQLType(type), JDBCSQLTypeInfo.getSQLTypeFromRuntimeType(DataTypeManager.getDataTypeClass(type))); //$NON-NLS-1$
//the classnames will not match the runtime types for xml, clob, blob
if (!type.equalsIgnoreCase(DataTypeManager.DefaultDataTypes.XML) && !type.equalsIgnoreCase(DataTypeManager.DefaultDataTypes.CLOB) && !type.equalsIgnoreCase(DataTypeManager.DefaultDataTypes.BLOB)) {
assertEquals("Didn't get match for "+ type, JDBCSQLTypeInfo.getSQLType(type), JDBCSQLTypeInfo.getSQLTypeFromClass(DataTypeManager.getDataTypeClass(type).getName())); //$NON-NLS-1$
}
}
assertEquals(Types.TIMESTAMP, JDBCSQLTypeInfo.getSQLTypeFromRuntimeType(DataTypeManager.DefaultDataClasses.TIMESTAMP));
assertEquals(Types.SQLXML, JDBCSQLTypeInfo.getSQLTypeFromRuntimeType(DataTypeManager.DefaultDataClasses.XML));
assertEquals(DataTypeManager.DefaultDataTypes.STRING, JDBCSQLTypeInfo.getTypeName(Types.CHAR));
assertEquals(Types.CHAR, JDBCSQLTypeInfo.getSQLTypeFromRuntimeType(DataTypeManager.DefaultDataClasses.CHAR));
}
@Test public void testRuntimeTypeConversion() throws Exception {
assertNull(DataTypeManager.convertToRuntimeType(null));
assertTrue(DataTypeManager.convertToRuntimeType(new SerialBlob(new byte[0])) instanceof BlobType);
//unknown type should return as same
Object foo = new Object();
assertEquals(foo, DataTypeManager.convertToRuntimeType(foo));
//known type should return as same
Integer bar = new Integer(1);
assertEquals(bar, DataTypeManager.convertToRuntimeType(bar));
}
@Test public void testObjectType() {
assertEquals(DataTypeManager.DefaultDataClasses.OBJECT, DataTypeManager.getDataTypeClass("foo")); //$NON-NLS-1$
assertEquals(DataTypeManager.DefaultDataTypes.OBJECT, DataTypeManager.getDataTypeName(TestDataTypeManager.class));
}
@Test public void testImplicitConversions() {
assertEquals(Arrays.asList(DataTypeManager.DefaultDataTypes.LONG,
DataTypeManager.DefaultDataTypes.BIG_INTEGER,
DataTypeManager.DefaultDataTypes.DOUBLE,
DataTypeManager.DefaultDataTypes.BIG_DECIMAL,
DataTypeManager.DefaultDataTypes.STRING,
DataTypeManager.DefaultDataTypes.OBJECT), DataTypeManager.getImplicitConversions(DataTypeManager.DefaultDataTypes.INTEGER));
}
@Test(expected=TransformationException.class) public void testStringToXML() throws Exception {
DataTypeManager.transformValue("hello", DataTypeManager.DefaultDataClasses.XML); //$NON-NLS-1$
}
static class Foo {
@Override
public String toString() {
return "hello";
}
}
@Test public void testObjectToString() throws Exception {
assertEquals("hello", DataTypeManager.transformValue(new Foo(), DataTypeManager.DefaultDataClasses.STRING)); //$NON-NLS-1$
}
@SuppressWarnings("unchecked")
@Test public void testObjectArrayToObject() throws Exception {
Object[] value = {1,2};
assertArrayEquals(value, (Object[])DataTypeManager.transformValue(value, value.getClass(), DataTypeManager.DefaultDataClasses.OBJECT));
}
}