| /* |
| * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.sql.Connection; |
| import java.sql.Driver; |
| import java.sql.DriverManager; |
| import java.sql.SQLException; |
| import static org.testng.Assert.*; |
| import org.testng.annotations.AfterClass; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.BeforeMethod; |
| import org.testng.annotations.Test; |
| |
| /* |
| * @test |
| * @library /java/sql/modules |
| * @build luckydogdriver/* mystubdriver/* |
| * @run testng/othervm DriverManagerModuleTests |
| * @summary Tests that a JDBC Driver that is a module can be loaded |
| * via the service-provider loading mechanism. |
| */ |
| public class DriverManagerModuleTests { |
| |
| private final String LUCKYDOGDRIVER_URL = "jdbc:tennis:myDB"; |
| private static final String STUBDRIVERURL = "jdbc:stub:myDB"; |
| private static final String CONNECTION_CLASS_NAME = "com.luckydogtennis.StubConnection"; |
| |
| @BeforeClass |
| public static void setUpClass() throws Exception { |
| } |
| |
| @AfterClass |
| public static void tearDownClass() throws Exception { |
| } |
| |
| @BeforeMethod |
| public void setUpMethod() throws Exception { |
| } |
| |
| @AfterMethod |
| public void tearDownMethod() throws Exception { |
| } |
| |
| /** |
| * Validate JDBC drivers as modules will be accessible. One driver will be |
| * loaded and registered via the service-provider loading mechanism. The |
| * other driver will need to be explictly loaded |
| * |
| * @throws java.lang.Exception |
| */ |
| @Test |
| public void test() throws Exception { |
| System.out.println("\n$$$ runing Test()\n"); |
| dumpRegisteredDrivers(); |
| Driver d = DriverManager.getDriver(STUBDRIVERURL); |
| assertNotNull(d, "StubDriver should not be null"); |
| assertTrue(isDriverRegistered(d)); |
| Driver d2 = null; |
| |
| // This driver should not be found until it is explictly loaded |
| try { |
| d2 = DriverManager.getDriver(LUCKYDOGDRIVER_URL); |
| } catch (SQLException e) { |
| // ignore expected Exception |
| } |
| assertNull(d2, "LuckyDogDriver should be null"); |
| loadDriver(); |
| d2 = DriverManager.getDriver(LUCKYDOGDRIVER_URL); |
| assertNotNull(d2, "LuckyDogDriver should not be null"); |
| assertTrue(isDriverRegistered(d2), "Driver was NOT registered"); |
| |
| dumpRegisteredDrivers(); |
| DriverManager.deregisterDriver(d2); |
| assertFalse(isDriverRegistered(d2), "Driver IS STILL registered"); |
| dumpRegisteredDrivers(); |
| |
| } |
| |
| /** |
| * Validate that a Connection can be obtained from a JDBC driver which is a |
| * module and loaded via the service-provider loading mechanism. |
| * |
| * @throws java.lang.Exception |
| */ |
| @Test |
| public void test00() throws Exception { |
| System.out.println("\n$$$ runing Test00()\n"); |
| Connection con = DriverManager.getConnection(STUBDRIVERURL); |
| assertNotNull(con, "Returned Connection should not be NULL"); |
| System.out.println("con=" + con.getClass().getName()); |
| assertTrue(con.getClass().getName().equals(CONNECTION_CLASS_NAME)); |
| |
| } |
| |
| /** |
| * Utility method to see if a driver is registered |
| */ |
| private static void dumpRegisteredDrivers() { |
| System.out.println("\n+++ Loaded Drivers +++"); |
| |
| DriverManager.drivers().forEach(d -> System.out.println("\t\t### Driver:" + d)); |
| |
| System.out.println("++++++++++++++++++++++++"); |
| } |
| |
| /** |
| * Utility method to load the LuckyDogDriver |
| */ |
| private static void loadDriver() { |
| try { |
| Class.forName("luckydogtennis.LuckyDogDriver"); |
| } catch (ClassNotFoundException ex) { |
| System.out.println("**** Error: luckydogtennis.LuckyDogDriver not found"); |
| } |
| System.out.println("Driver Loaded"); |
| } |
| |
| /** |
| * Utility method to see if a driver is registered |
| */ |
| private static boolean isDriverRegistered(Driver d) { |
| return DriverManager.drivers().filter(driver-> driver == d).findFirst().isPresent(); |
| |
| } |
| } |