| /* |
| * 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.commons.dbcp2; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.lang.reflect.Proxy; |
| import java.sql.Connection; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * @author Rodney Waldhoff |
| * @author Dirk Verbeeck |
| */ |
| public class TestDelegatingStatement { |
| |
| private DelegatingConnection<Connection> conn = null; |
| private Connection delegateConn = null; |
| private DelegatingStatement stmt = null; |
| private Statement delegateStmt = null; |
| |
| @Before |
| public void setUp() throws Exception { |
| delegateConn = new TesterConnection("test", "test"); |
| delegateStmt = new TesterStatement(delegateConn); |
| conn = new DelegatingConnection<>(delegateConn); |
| stmt = new DelegatingStatement(conn,delegateStmt); |
| } |
| |
| @Test |
| public void testExecuteQueryReturnsNull() throws Exception { |
| assertNull(stmt.executeQuery("null")); |
| } |
| |
| @Test |
| public void testGetDelegate() throws Exception { |
| assertEquals(delegateStmt,stmt.getDelegate()); |
| } |
| |
| @Test |
| public void testCheckOpen() throws Exception { |
| stmt.checkOpen(); |
| stmt.close(); |
| try { |
| stmt.checkOpen(); |
| fail("Expecting SQLException"); |
| } catch (final SQLException ex) { |
| // expected |
| } |
| } |
| |
| @Test |
| public void testIsWrapperFor() throws Exception { |
| final TesterConnection tstConn = new TesterConnection("test", "test"); |
| final TesterStatement tstStmt = new TesterStatementNonWrapping(tstConn); |
| final DelegatingConnection<TesterConnection> dconn = new DelegatingConnection<>(tstConn); |
| final DelegatingStatement stamt = new DelegatingStatement(dconn, tstStmt); |
| |
| final Class<?> stmtProxyClass = Proxy.getProxyClass( |
| this.getClass().getClassLoader(), |
| Statement.class); |
| |
| assertTrue(stamt.isWrapperFor(DelegatingStatement.class)); |
| assertTrue(stamt.isWrapperFor(TesterStatement.class)); |
| assertFalse(stamt.isWrapperFor(stmtProxyClass)); |
| |
| stamt.close(); |
| } |
| |
| private static class TesterStatementNonWrapping extends TesterStatement { |
| |
| public TesterStatementNonWrapping(final Connection conn) { |
| super(conn); |
| } |
| |
| @Override |
| public boolean isWrapperFor(final Class<?> iface) throws SQLException { |
| return false; |
| } |
| } |
| } |