Java tutorial
/* * This software is licensed under the Apache License, Version 2.0 * (the "License") agreement; 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.moneta.config; import java.beans.PropertyDescriptor; import java.sql.Connection; import org.apache.commons.dbcp2.PoolableConnection; import org.apache.commons.lang3.exception.ExceptionUtils; import org.apache.commons.pool2.ObjectPool; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import org.moneta.types.topic.MonetaDataSource; public class ConnectionPoolFactoryTest { MonetaDataSource dataSource; @Before public void setUp() throws Exception { dataSource = new MonetaDataSource(); dataSource.setDriver(org.hsqldb.jdbc.JDBCDriver.class); dataSource.setConnectionUrl("jdbc:hsqldb:mem:my-sample"); dataSource.setDataSourceName("derekDataSource"); dataSource.getJdbcConnectionProperties().put("user", "SA"); dataSource.getJdbcConnectionProperties().put("password", ""); dataSource.getJdbcConnectionProperties().put("create", "true"); dataSource.getConnectionPoolProperties().put("defaultAutoCommit", "false"); dataSource.getConnectionPoolProperties().put("defaultReadOnly", "false"); dataSource.getConnectionPoolProperties().put("defaultTransactionIsolation", "2"); dataSource.getConnectionPoolProperties().put("defaultCatalog", "PUBLIC"); dataSource.getConnectionPoolProperties().put("cacheState", "false"); // dataSource.getConnectionPoolProperties().put("initialSize", "1"); dataSource.getConnectionPoolProperties().put("maxTotal", "5"); dataSource.getConnectionPoolProperties().put("maxIdle", "4"); dataSource.getConnectionPoolProperties().put("minIdle", "1"); dataSource.getConnectionPoolProperties().put("maxWaitMillis", "-1"); dataSource.getConnectionPoolProperties().put("validationQuery", "SELECT CURRENT_DATE AS today, CURRENT_TIME AS now FROM (VALUES(0))"); dataSource.getConnectionPoolProperties().put("testOnCreate", "false"); dataSource.getConnectionPoolProperties().put("testOnBorrow", "true"); dataSource.getConnectionPoolProperties().put("testOnReturn", "false"); dataSource.getConnectionPoolProperties().put("testWhileIdle", "false"); dataSource.getConnectionPoolProperties().put("timeBetweenEvictionRunsMillis", "-1"); dataSource.getConnectionPoolProperties().put("numTestsPerEvictionRun", "3"); dataSource.getConnectionPoolProperties().put("minEvictableIdleTimeMillis", "1800000"); // dataSource.getConnectionPoolProperties().put("softMiniEvictableIdleTimeMillis", "-1"); dataSource.getConnectionPoolProperties().put("maxConnLifetimeMillis", "-1"); dataSource.getConnectionPoolProperties().put("connectionInitSql", null); dataSource.getConnectionPoolProperties().put("lifo", "true"); dataSource.getConnectionPoolProperties().put("poolStatements", "false"); dataSource.getConnectionPoolProperties().put("maxOpenPrepatedStatements", "-1"); } @Test public void testBasicHappyPath() throws Exception { ObjectPool<PoolableConnection> pool = ConnectionPoolFactory.createConnectionPool(dataSource); Assert.assertTrue(pool != null); Connection conn = pool.borrowObject(); Assert.assertTrue(conn != null); Assert.assertTrue(!conn.isClosed()); } @Test public void testBasicExceptionPath() throws Exception { dataSource.getConnectionPoolProperties().put("fu", "bar"); testCreateException("Invalid connection pool properties detected"); dataSource.getConnectionPoolProperties().remove("fu"); Throwable exceptionThrown = null; try { ConnectionPoolFactory.createConnectionPool(null); } catch (Exception e) { exceptionThrown = e; } Assert.assertTrue(exceptionThrown != null); Assert.assertTrue(exceptionThrown.getMessage().contains("not allowed")); dataSource.setDataSourceName(null); testCreateException("not allowed"); dataSource.setDataSourceName("foo"); dataSource.setConnectionUrl(null); testCreateException("not allowed"); dataSource.setConnectionUrl("foo"); dataSource.setDriver(null); testCreateException("not allowed"); } private void testCreateException(String testMessage) { Throwable exceptionThrown = null; try { ConnectionPoolFactory.createConnectionPool(dataSource); } catch (Exception e) { exceptionThrown = e; } Assert.assertTrue(exceptionThrown != null); Assert.assertTrue(exceptionThrown.getMessage().contains(testMessage)); } @Test public void testAssignProperty() throws Exception { PropertyDescriptor pDesc; pDesc = ConnectionPoolFactory.assignProperty("foo", dataSource, "dataSourceName", "foo"); Assert.assertTrue(pDesc != null); Assert.assertTrue("dataSourceName".equals(pDesc.getName())); Assert.assertTrue("foo".equals(dataSource.getDataSourceName())); Throwable exceptionThrown = null; try { ConnectionPoolFactory.assignProperty("foo", dataSource, null, "foo"); } catch (Exception e) { exceptionThrown = e; } Assert.assertTrue(exceptionThrown != null); Assert.assertTrue(exceptionThrown.getMessage().contains("not valid")); pDesc = ConnectionPoolFactory.assignProperty("foo", dataSource, "crap", "foo"); Assert.assertTrue(pDesc == null); exceptionThrown = null; try { ConnectionPoolFactory.assignProperty("foo", dataSource, "jdbcConnectionProperties", "foo"); } catch (Exception e) { exceptionThrown = e; } Assert.assertTrue(exceptionThrown != null); String trace = ExceptionUtils.getStackTrace(exceptionThrown); Assert.assertTrue(trace.contains("java.util.Map")); } }