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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.das.rdb.test;
import java.util.ArrayList;
import java.util.List;
import org.apache.tuscany.das.rdb.Command;
import org.apache.tuscany.das.rdb.DAS;
import org.apache.tuscany.das.rdb.config.ConfigFactory;
import org.apache.tuscany.das.rdb.config.ResultDescriptor;
import org.apache.tuscany.das.rdb.test.data.CustomerData;
import org.apache.tuscany.das.rdb.test.framework.DasTest;
import commonj.sdo.DataObject;
public class DynamicResultDescriptorTests extends DasTest {
protected void setUp() throws Exception {
super.setUp();
new CustomerData(getAutoConnection()).refresh();
}
protected void tearDown() throws Exception {
super.tearDown();
}
/**
* Set result descriptor on Command dynamically
*/
public void testSetResultDescriptors() throws Exception {
ConfigFactory factory = ConfigFactory.INSTANCE;
DAS das = DAS.FACTORY.createDAS(getConnection());
// Read a customer
Command select = das.createCommand("SELECT ID, LASTNAME, ADDRESS FROM CUSTOMER WHERE CUSTOMER.ID = 1");
List resultDescriptorList = new ArrayList();
//as long as columnIndex is correct, order in ArrayList does not matter
ResultDescriptor desc3 = factory.createResultDescriptor();
desc3.setColumnIndex(3);
desc3.setColumnName("ADDRESS");
desc3.setColumnType("commonj.sdo.String");
desc3.setTableName("CUSTOMER");
ResultDescriptor desc1 = factory.createResultDescriptor();
desc1.setColumnIndex(1);
desc1.setColumnName("ID");
desc1.setColumnType("commonj.sdo.Int");
desc1.setTableName("CUSTOMER");
ResultDescriptor desc2 = factory.createResultDescriptor();
desc2.setColumnIndex(2);
desc2.setColumnName("LASTNAME");
desc2.setColumnType("commonj.sdo.String");
desc2.setTableName("CUSTOMER");
resultDescriptorList.add(desc3);
resultDescriptorList.add(desc1);
resultDescriptorList.add(desc2);
select.setResultDescriptors(resultDescriptorList);
DataObject root = select.executeQuery();
assertEquals(1, root.getList("CUSTOMER").size());
}
/**
* Set a result descriptor on Command dynamically
* and later replace it with another invalid one, and check failure
*/
public void testReplaceResultDescriptors() throws Exception {
ConfigFactory factory = ConfigFactory.INSTANCE;
DAS das = DAS.FACTORY.createDAS(getConnection());
// Read a customer
Command select = das.createCommand("SELECT ID, LASTNAME, ADDRESS FROM CUSTOMER WHERE CUSTOMER.ID = 1");
List resultDescriptorList = new ArrayList();
//as long as columnIndex is correct, order in ArrayList does not matter
ResultDescriptor desc3 = factory.createResultDescriptor();
desc3.setColumnIndex(3);
desc3.setColumnName("ADDRESS");
desc3.setColumnType("commonj.sdo.String");
desc3.setTableName("CUSTOMER");
ResultDescriptor desc1 = factory.createResultDescriptor();
desc1.setColumnIndex(1);
desc1.setColumnName("ID");
desc1.setColumnType("commonj.sdo.Int");
desc1.setTableName("CUSTOMER");
ResultDescriptor desc2 = factory.createResultDescriptor();
desc2.setColumnIndex(2);
desc2.setColumnName("LASTNAME");
desc2.setColumnType("commonj.sdo.String");
desc2.setTableName("CUSTOMER");
resultDescriptorList.add(desc3);
resultDescriptorList.add(desc1);
resultDescriptorList.add(desc2);
select.setResultDescriptors(resultDescriptorList);
DataObject root = select.executeQuery();
assertEquals(1, root.getList("CUSTOMER").size());
//Now use invalid one
resultDescriptorList.clear();
desc3.setColumnIndex(3);
desc3.setColumnName("ADDRESS");
desc3.setColumnType("commonj.sdo.Int");//incompatible type
desc3.setTableName("CUSTOMER");
desc1.setColumnIndex(1);
desc1.setColumnName("ID");
desc1.setColumnType("commonj.sdo.Int");
desc1.setTableName("CUSTOMER");
desc2 = factory.createResultDescriptor();
desc2.setColumnIndex(2);
desc2.setColumnName("LASTNAME");
desc2.setColumnType("commonj.sdo.String");
desc2.setTableName("CUSTOMER");
resultDescriptorList.add(desc3);
resultDescriptorList.add(desc2);
resultDescriptorList.add(desc1);
select.setResultDescriptors(resultDescriptorList);
try{
root = select.executeQuery();
fail("Expected exception");
}catch(Exception e){
assertTrue(e instanceof ClassCastException);
}
}
/**
* Set result descriptor on Command dynamically
* , overriding the one set from static config.
*/
public void testOverrideResultDescriptorsFromConfig() throws Exception {
ConfigFactory factory = ConfigFactory.INSTANCE;
DAS das = DAS.FACTORY.createDAS(getConfig("customerMappingWithResultDescriptor.xml"), getConnection());
Command select = das.getCommand("testSelectCustomer");
DataObject root = select.executeQuery();
List custList = root.getList("CUSTOMER");
assertEquals("Williams", ((DataObject)custList.get(0)).getString("LASTNAME"));
List resultDescriptorList = new ArrayList();
ResultDescriptor desc3 = factory.createResultDescriptor();
desc3.setColumnIndex(3);
desc3.setColumnName("ADDRESS");
desc3.setColumnType("commonj.sdo.Int");//incompatible type
desc3.setTableName("CUSTOMER");
ResultDescriptor desc1 = factory.createResultDescriptor();
desc1.setColumnIndex(1);
desc1.setColumnName("ID");
desc1.setColumnType("commonj.sdo.Int");
desc1.setTableName("CUSTOMER");
ResultDescriptor desc2 = factory.createResultDescriptor();
desc2.setColumnIndex(2);
desc2.setColumnName("LASTNAME");
desc2.setColumnType("commonj.sdo.String");
desc2.setTableName("CUSTOMER");
resultDescriptorList.add(desc3);
resultDescriptorList.add(desc1);
resultDescriptorList.add(desc2);
select.setResultDescriptors(resultDescriptorList);
try{
select.executeQuery();
fail("Expected exception");
}catch(Exception e){
assertTrue(e instanceof ClassCastException);
}
}
/**
* Set null result descriptor on Command dynamically
*/
public void testNullResultDescriptors() throws Exception {
DAS das = DAS.FACTORY.createDAS(getConnection());
// Read a customer
Command select = das.createCommand("SELECT ID, LASTNAME, ADDRESS FROM CUSTOMER WHERE CUSTOMER.ID = 1");
List resultDescriptorList = null;
try{
select.setResultDescriptors(resultDescriptorList);
select.executeQuery();
this.assertTrue("Derby has DBMS metadata, so it will be used", true);
}catch(RuntimeException e){
fail("Expected to succeed with no exception");
}
}
/**
* Set -ve columnIndex in result descriptor on Command dynamically
* Set will not be sorted and Type mismatch wi (Int and String for ID)
* will throw exception
*/
public void testNegativeIndexResultDescriptors() throws Exception {
ConfigFactory factory = ConfigFactory.INSTANCE;
DAS das = DAS.FACTORY.createDAS(getConnection());
// Read a customer
Command select = das.createCommand("SELECT ID, LASTNAME, ADDRESS FROM CUSTOMER WHERE CUSTOMER.ID = 1");
List resultDescriptorList = new ArrayList();
ResultDescriptor desc3 = factory.createResultDescriptor();
desc3.setColumnIndex(-3);//invalid
desc3.setColumnName("ADDRESS");
desc3.setColumnType("commonj.sdo.String");
desc3.setTableName("CUSTOMER");
ResultDescriptor desc1 = factory.createResultDescriptor();
desc1.setColumnIndex(1);
desc1.setColumnName("ID");
desc1.setColumnType("commonj.sdo.Int");
desc1.setTableName("CUSTOMER");
ResultDescriptor desc2 = factory.createResultDescriptor();
desc2.setColumnIndex(2);
desc2.setColumnName("LASTNAME");
desc2.setColumnType("commonj.sdo.String");
desc2.setTableName("CUSTOMER");
resultDescriptorList.add(desc3);
resultDescriptorList.add(desc1);
resultDescriptorList.add(desc2);
try{
select.setResultDescriptors(resultDescriptorList);
select.executeQuery();
fail("Expected exception");
}catch(RuntimeException e){
assertTrue("Exception as sorting wil not happen due to -ve columnIndex", true);
}
}
/**
* Set matching columnIndices in result descriptor on Command dynamically
*/
public void testMatchingIndexResultDescriptor() throws Exception {
ConfigFactory factory = ConfigFactory.INSTANCE;
DAS das = DAS.FACTORY.createDAS(getConnection());
// Read a customer
Command select = das.createCommand("SELECT ID, LASTNAME, ADDRESS FROM CUSTOMER WHERE CUSTOMER.ID = 1");
List resultDescriptorList = new ArrayList();
ResultDescriptor desc3 = factory.createResultDescriptor();
desc3.setColumnIndex(1);//two times index is 1
desc3.setColumnName("ADDRESS");
desc3.setColumnType("commonj.sdo.String");
desc3.setTableName("CUSTOMER");
ResultDescriptor desc1 = factory.createResultDescriptor();
desc1.setColumnIndex(1);
desc1.setColumnName("ID");
desc1.setColumnType("commonj.sdo.Int");
desc1.setTableName("CUSTOMER");
ResultDescriptor desc2 = factory.createResultDescriptor();
desc2.setColumnIndex(2);
desc2.setColumnName("LASTNAME");
desc2.setColumnType("commonj.sdo.String");
desc2.setTableName("CUSTOMER");
resultDescriptorList.add(desc3);
resultDescriptorList.add(desc1);
resultDescriptorList.add(desc2);
try{
select.setResultDescriptors(resultDescriptorList);
select.executeQuery();
fail("Expected exception");
}catch(RuntimeException e){
assertTrue(e.getMessage().indexOf("Two columns in Result Descriptor can not have same index")!= -1);
}
}
public void testAddRemoveResultDescriptor() throws Exception {
ConfigFactory factory = ConfigFactory.INSTANCE;
ResultDescriptor desc3 = factory.createResultDescriptor();
desc3.setColumnIndex(3);//two times index is 1
desc3.setColumnName("ADDRESS");
desc3.setColumnType("commonj.sdo.String");
desc3.setTableName("CUSTOMER");
ResultDescriptor desc1 = factory.createResultDescriptor();
desc1.setColumnIndex(1);
desc1.setColumnName("ID");
desc1.setColumnType("commonj.sdo.Int");
desc1.setTableName("CUSTOMER");
ResultDescriptor desc2 = factory.createResultDescriptor();
desc2.setColumnIndex(2);
desc2.setColumnName("LASTNAME");
desc2.setColumnType("commonj.sdo.String");
desc2.setTableName("CUSTOMER");
DAS das = DAS.FACTORY.createDAS(getConnection());
// Read a customer
Command select = das.createCommand("SELECT ID, LASTNAME, ADDRESS FROM CUSTOMER WHERE CUSTOMER.ID = 1");
select.addResultDescriptor(desc3);
select.addResultDescriptor(desc1);
select.addResultDescriptor(desc2);
//select.printResultDescriptors(System.out);
assertEquals(1, ((ResultDescriptor)select.getResultDescriptors().get(0)).getColumnIndex());
assertEquals(2, ((ResultDescriptor)select.getResultDescriptors().get(1)).getColumnIndex());
assertEquals(3, ((ResultDescriptor)select.getResultDescriptors().get(2)).getColumnIndex());
select.removeResultDescriptor(2);
//select.printResultDescriptors(System.out);
assertEquals(1, ((ResultDescriptor)select.getResultDescriptors().get(0)).getColumnIndex());
assertEquals(3, ((ResultDescriptor)select.getResultDescriptors().get(1)).getColumnIndex());
select.removeResultDescriptor(desc3);
//select.printResultDescriptors(System.out);
assertEquals(1, ((ResultDescriptor)select.getResultDescriptors().get(0)).getColumnIndex());
select.addResultDescriptor(null);
select.removeResultDescriptor(null);
//select.printResultDescriptors(System.out);
assertEquals(1, ((ResultDescriptor)select.getResultDescriptors().get(0)).getColumnIndex());
}
}
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