| /* |
| * 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.drill.jdbc; |
| |
| import static java.sql.Connection.TRANSACTION_NONE; |
| import static java.sql.Connection.TRANSACTION_READ_COMMITTED; |
| import static java.sql.Connection.TRANSACTION_READ_UNCOMMITTED; |
| import static java.sql.Connection.TRANSACTION_REPEATABLE_READ; |
| import static java.sql.Connection.TRANSACTION_SERIALIZABLE; |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.hamcrest.CoreMatchers.equalTo; |
| import static org.junit.Assert.assertThat; |
| import org.apache.drill.categories.JdbcTest; |
| import org.apache.drill.test.BaseTest; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import java.sql.Connection; |
| import java.sql.SQLFeatureNotSupportedException; |
| import java.sql.Savepoint; |
| import java.sql.SQLException; |
| |
| /** |
| * Test for Drill's implementation of Connection's main transaction-related |
| * methods. |
| */ |
| @Category(JdbcTest.class) |
| public class ConnectionTransactionMethodsTest extends BaseTest { |
| |
| private static Connection connection; |
| |
| @BeforeClass |
| public static void setUpConnection() throws SQLException { |
| // (Note: Can't use JdbcTest's connect(...) because JdbcTest closes |
| // Connection--and other JDBC objects--on test method failure, but this test |
| // class uses some objects across methods.) |
| connection = new Driver().connect( "jdbc:drill:zk=local", null ); |
| } |
| |
| @AfterClass |
| public static void tearDownConnection() throws SQLException { |
| connection.close(); |
| } |
| |
| |
| //////////////////////////////////////// |
| // Transaction mode methods: |
| |
| ////////// |
| // Transaction isolation level: |
| |
| @Test |
| public void testGetTransactionIsolationSaysNone() throws SQLException { |
| assertThat( connection.getTransactionIsolation(), equalTo( TRANSACTION_NONE ) ); |
| } |
| |
| @Test |
| public void testSetTransactionIsolationNoneExitsNormally() throws SQLException { |
| connection.setTransactionIsolation( TRANSACTION_NONE ); |
| } |
| |
| // Test trying to set to unsupported isolation levels: |
| |
| // (Sample message: "Can't change transaction isolation level to |
| // Connection.TRANSACTION_REPEATABLE_READ (from Connection.TRANSACTION_NONE). |
| // (Drill is not transactional.)" (as of 2015-04-22)) |
| |
| @Test( expected = SQLFeatureNotSupportedException.class ) |
| public void testSetTransactionIsolationReadUncommittedThrows() throws SQLException { |
| try { |
| connection.setTransactionIsolation( TRANSACTION_READ_UNCOMMITTED ); |
| } |
| catch ( SQLFeatureNotSupportedException e ) { |
| // Check a few things in an error message: |
| assertThat( "Missing requested-level string", |
| e.getMessage(), containsString( "TRANSACTION_READ_UNCOMMITTED" ) ); |
| assertThat( "Missing (or reworded) expected description", |
| e.getMessage(), containsString( "transaction isolation level" ) ); |
| assertThat( "Missing current-level string", |
| e.getMessage(), containsString( "TRANSACTION_NONE" ) ); |
| throw e; |
| } |
| } |
| |
| @Test( expected = SQLFeatureNotSupportedException.class ) |
| public void testSetTransactionIsolationReadCommittedThrows() throws SQLException { |
| connection.setTransactionIsolation( TRANSACTION_READ_COMMITTED ); |
| } |
| @Test( expected = SQLFeatureNotSupportedException.class ) |
| public void testSetTransactionIsolationRepeatableReadThrows() throws SQLException { |
| connection.setTransactionIsolation( TRANSACTION_REPEATABLE_READ ); |
| } |
| @Test( expected = SQLFeatureNotSupportedException.class ) |
| public void testSetTransactionIsolationSerializableThrows() throws SQLException { |
| connection.setTransactionIsolation( TRANSACTION_SERIALIZABLE ); |
| } |
| |
| @Test( expected = JdbcApiSqlException.class ) |
| public void testSetTransactionIsolationBadIntegerThrows() throws SQLException { |
| connection.setTransactionIsolation( 15 ); // not any TRANSACTION_* value |
| } |
| |
| |
| ////////// |
| // Auto-commit mode. |
| |
| @Test |
| public void testGetAutoCommitSaysAuto() throws SQLException { |
| // Auto-commit should always be true. |
| assertThat( connection.getAutoCommit(), equalTo( true ) ); |
| } |
| |
| @Test |
| public void testSetAutoCommitTrueExitsNormally() throws SQLException { |
| // Setting auto-commit true (redundantly) shouldn't throw exception. |
| connection.setAutoCommit( true ); |
| } |
| |
| |
| //////////////////////////////////////// |
| // Transaction operation methods: |
| |
| @Test( expected = JdbcApiSqlException.class ) |
| public void testCommitThrows() throws SQLException { |
| // Should fail saying because in auto-commit mode (or maybe because not |
| // supported). |
| connection.commit(); |
| } |
| |
| @Test( expected = JdbcApiSqlException.class ) |
| public void testRollbackThrows() throws SQLException { |
| // Should fail saying because in auto-commit mode (or maybe because not |
| // supported). |
| connection.rollback(); |
| } |
| |
| |
| //////////////////////////////////////// |
| // Savepoint methods: |
| |
| @Test( expected = SQLFeatureNotSupportedException.class ) |
| public void testSetSavepointUnamed() throws SQLException { |
| connection.setSavepoint(); |
| } |
| |
| @Test( expected = SQLFeatureNotSupportedException.class ) |
| public void testSetSavepointNamed() throws SQLException { |
| connection.setSavepoint( "savepoint name" ); |
| } |
| |
| @Test( expected = SQLFeatureNotSupportedException.class ) |
| public void testRollbackSavepoint() throws SQLException { |
| connection.rollback( (Savepoint) null ); |
| } |
| |
| @Test( expected = SQLFeatureNotSupportedException.class ) |
| public void testReleaseSavepoint() throws SQLException { |
| connection.releaseSavepoint( (Savepoint) null ); |
| } |
| |
| } |