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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.sql.SQLException;
import org.apache.tuscany.das.rdb.Command;
import org.apache.tuscany.das.rdb.ConfigHelper;
import org.apache.tuscany.das.rdb.DAS;
import org.apache.tuscany.das.rdb.config.Relationship;
import org.apache.tuscany.das.rdb.test.data.CompanyData;
import org.apache.tuscany.das.rdb.test.data.CompanyEmpData;
import org.apache.tuscany.das.rdb.test.data.CustomerData;
import org.apache.tuscany.das.rdb.test.data.DepEmpData;
import org.apache.tuscany.das.rdb.test.data.DepartmentData;
import org.apache.tuscany.das.rdb.test.data.EmployeeData;
import org.apache.tuscany.das.rdb.test.data.OrderData;
import org.apache.tuscany.das.rdb.test.framework.DasTest;
import commonj.sdo.DataObject;
public class RelationshipTests extends DasTest {
protected void setUp() throws Exception {
super.setUp();
new CustomerData(getAutoConnection()).refresh();
new OrderData(getAutoConnection()).refresh();
new CompanyData(getAutoConnection()).refresh();
new EmployeeData(getAutoConnection()).refresh();
new DepartmentData(getAutoConnection()).refresh();
new CompanyEmpData(getAutoConnection()).refresh();
new DepEmpData(getAutoConnection()).refresh();
}
protected void tearDown() throws Exception {
super.tearDown();
}
/**
* Test ability to read a compound graph
*/
public void testRead() throws Exception {
String statement = "SELECT * FROM CUSTOMER LEFT JOIN ANORDER "
+ "ON CUSTOMER.ID = ANORDER.CUSTOMER_ID WHERE CUSTOMER.ID = 1";
DAS das = DAS.FACTORY.createDAS(getConfig("customerOrderRelationshipMapping.xml"), getConnection());
// Read some customers and related orders
Command select = das.createCommand(statement);
DataObject root = select.executeQuery();
DataObject customer = root.getDataObject("CUSTOMER[1]");
assertEquals(2, customer.getList("orders").size());
}
/**
* Same as above except uses xml file for relationhip and key information.
* Employs CUD generation.
*/
public void testRelationshipModification2() throws Exception {
DAS das = DAS.FACTORY.createDAS(getConfig("basicCustomerOrderMapping.xml"), getConnection());
// Read some customers and related orders
Command select = das
.createCommand("SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON CUSTOMER.ID = ANORDER.CUSTOMER_ID");
DataObject root = select.executeQuery();
DataObject cust1 = root.getDataObject("CUSTOMER[1]");
DataObject cust2 = root.getDataObject("CUSTOMER[2]");
// Save IDs
Integer cust1ID = (Integer) cust1.get("ID");
Integer cust2ID = (Integer) cust2.get("ID");
// save order count
Integer cust1OrderCount = new Integer(cust1.getList("orders").size());
Integer cust2OrderCount = new Integer(cust2.getList("orders").size());
// Move an order to cust1 from cust2
DataObject order = (DataObject) cust2.getList("orders").get(0);
cust1.getList("orders").add(order);
// Flush changes
das.applyChanges(root);
// verify cust1 relationship updates
select = das
.createCommand("SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON "
+ "CUSTOMER.ID = ANORDER.CUSTOMER_ID where CUSTOMER.ID = ?");
select.setParameter(1, cust1ID);
root = select.executeQuery();
assertEquals(cust1OrderCount.intValue() + 1, root.getList("CUSTOMER[1]/orders").size());
// verify cust2 relationship updates
select.setParameter(1, cust2ID);
root = select.executeQuery();
assertEquals(cust2OrderCount.intValue() - 1, root.getList("CUSTOMER[1]/orders").size());
}
/**
* This scenario uses union to simmulate full outer join
* The resulted graph will have departments without employees, and employees without departments
* And this testcase will modify the relationship between these entities and assign the employees to the department
*
* @throws Exception
*/
public void testSimulateFullOuterJoinRelationshipModification() throws Exception {
DAS das = DAS.FACTORY.createDAS(getConfig("companyMappingWithResultDescriptor.xml"), getConnection());
// Read some customers and related orders
Command select = das.getCommand("testFullOuterJoinRelationship");
DataObject root = select.executeQuery();
DataObject department = root.getDataObject("DEPARTMENT[NAME='New Technologies']"); //department with no employees
DataObject emp1 = root.getDataObject("EMPLOYEE[NAME='Mary Smith']"); //employee not assgned to department
DataObject emp2 = root.getDataObject("EMPLOYEE[NAME='John Smith']"); //employee not assgned to department
department.getList("employees").add(emp1);
department.getList("employees").add(emp2);
das.applyChanges(root);
//verify cust1 relationship updates
select = das.getCommand("testEmployeesFromDepartment");
select.setParameter(1, "New Technologies" );
root = select.executeQuery();
assertEquals(2, root.getDataObject("DEPARTMENT[NAME='New Technologies']").getList("employees").size());
}
public void testFKBehavior() throws SQLException {
DAS das = DAS.FACTORY.createDAS(getConfig("basicCustomerOrderMapping.xml"), getConnection());
// Read some customers and related orders
Command select = das
.createCommand("SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON CUSTOMER.ID = ANORDER.CUSTOMER_ID");
DataObject root = select.executeQuery();
DataObject cust1 = root.getDataObject("CUSTOMER[1]");
DataObject cust2 = root.getDataObject("CUSTOMER[2]");
// Save IDs
Integer cust1ID = (Integer) cust1.get("ID");
// Move an order to cust1 from cust2
DataObject order = (DataObject) cust2.getList("orders").get(0);
cust1.getList("orders").add(order);
order.setInt("CUSTOMER_ID", cust1ID.intValue());
try {
das.applyChanges(root);
fail("An exception should be thrown");
} catch (RuntimeException ex) {
assertEquals("Foreign key properties should not be set when the corresponding relationship has changed", ex.getMessage());
}
}
public void testFKBehavior2() throws SQLException {
DAS das = DAS.FACTORY.createDAS(getConfig("basicCustomerOrderMapping.xml"), getConnection());
// Read some customers and related orders
Command select = das
.createCommand("SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON CUSTOMER.ID = ANORDER.CUSTOMER_ID");
DataObject root = select.executeQuery();
DataObject cust1 = root.getDataObject("CUSTOMER[1]");
// Save IDs
Integer cust1ID = (Integer) cust1.get("ID");
// Move an order to cust1 from cust2
DataObject order = root.createDataObject("ANORDER");
order.setInt("ID", 500);
order.setInt("CUSTOMER_ID", cust1ID.intValue());
cust1.getList("orders").add(order);
try {
das.applyChanges(root);
fail("An exception should be thrown");
} catch (RuntimeException ex) {
assertEquals("Foreign key properties should not be set when the corresponding relationship has changed", ex.getMessage());
}
}
public void testInvalidFKColumn() throws SQLException {
ConfigHelper helper = new ConfigHelper();
Relationship r = helper.addRelationship("CUSTOMER.ID", "ANORDER.CUSTOMER_ID_INVALID");
r.setName("orders");
DAS das = DAS.FACTORY.createDAS(helper.getConfig(), getConnection());
Command select = das.createCommand("select * from CUSTOMER left join ANORDER "
+ "ON CUSTOMER.ID = ANORDER.CUSTOMER_ID");
DataObject root = select.executeQuery();
DataObject cust1 = root.getDataObject("CUSTOMER[1]");
DataObject order = root.createDataObject("ANORDER");
order.setInt("ID", 500);
cust1.getList("orders").add(order);
try {
das.applyChanges(root);
} catch (RuntimeException ex) {
assertEquals("Invalid foreign key column: CUSTOMER_ID_INVALID", ex.getMessage());
}
}
}
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