| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.testing.tests.queries.oracle; |
| |
| import java.util.*; |
| |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.testing.framework.*; |
| import org.eclipse.persistence.testing.models.mapping.*; |
| |
| /** |
| * This class is the root class for most Hierarchical Query tests. The subclasses |
| * override the getQuery and expectedResults methods. The test method executes the |
| * query and the verify checks the results against the expected results. |
| */ |
| public abstract class HierarchicalQueryTest extends TestCase { |
| static String ERROR_1 = "The number of results returned was not the number of results expected."; |
| static String ERROR_2 = "The results did not match, missing:"; |
| |
| public Vector results; |
| |
| public HierarchicalQueryTest() { |
| } |
| |
| //Returns a vector of employee names, representing the expected results of the query |
| public abstract Vector expectedResults(); |
| |
| //Returns the query to execute |
| public abstract ReadAllQuery getQuery(); |
| |
| @Override |
| public void setup() { |
| if (!(getSession().getPlatform().isOracle())) { |
| throw new TestWarningException("This test is intended for Oracle databases only"); |
| } |
| } |
| |
| @Override |
| public void reset() { |
| } |
| |
| @Override |
| public void test() { |
| try { |
| results = (Vector)getSession().executeQuery(getQuery()); |
| } catch (Exception ex) { |
| ex.printStackTrace(); |
| if ((ex.getMessage().indexOf("missing BY keyword") != -1) || (ex.getMessage().indexOf("cannot have join with CONNECT BY") != -1)) { |
| throw new TestWarningException("This test is indended for Oracle 9i and up"); |
| } |
| ex.printStackTrace(); |
| throw new TestErrorException(ex.getMessage()); |
| } |
| } |
| |
| @Override |
| public void verify() { |
| Vector expectedResults = expectedResults(); |
| if (expectedResults.size() != results.size()) { |
| throw new TestErrorException(ERROR_1); |
| } |
| Iterator res = results.iterator(); |
| while (res.hasNext()) { |
| Object next = res.next(); |
| if (!expectedResults.contains(next)) { |
| throw new TestErrorException(ERROR_2 + next); |
| } |
| } |
| } |
| |
| //Adds an employee and all his managed employees recursivly to the provided vector. |
| //This creates a hierarchy rooted at Employee emp |
| public void addEmployee(Vector toVector, Employee emp) { |
| toVector.addElement(emp); |
| Vector managed = emp.getManagedEmployees(); |
| if (managed != null && !(managed.isEmpty())) { |
| for (int i = 0; i < managed.size(); i++) { |
| Employee next = (Employee)managed.elementAt(i); |
| addEmployee(toVector, next); |
| } |
| } |
| } |
| } |