/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed 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.springframework.jdbc.support;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.sql.DataSource;
import org.junit.Test;
import org.springframework.jdbc.support.incrementer.HsqlMaxValueIncrementer;
import org.springframework.jdbc.support.incrementer.MySQLMaxValueIncrementer;
import org.springframework.jdbc.support.incrementer.OracleSequenceMaxValueIncrementer;
import org.springframework.jdbc.support.incrementer.PostgreSQLSequenceMaxValueIncrementer;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* @author Juergen Hoeller
* @since 27.02.2004
*/
public class DataFieldMaxValueIncrementerTests {
private DataSource dataSource = mock(DataSource.class);
private Connection connection = mock(Connection.class);
private Statement statement = mock(Statement.class);
private ResultSet resultSet = mock(ResultSet.class);
@Test
public void testHsqlMaxValueIncrementer() throws SQLException {
given(dataSource.getConnection()).willReturn(connection);
given(connection.createStatement()).willReturn(statement);
given(statement.executeQuery("select max(identity()) from myseq")).willReturn(resultSet);
given(resultSet.next()).willReturn(true);
given(resultSet.getLong(1)).willReturn(0L, 1L, 2L, 3L, 4L, 5L);
HsqlMaxValueIncrementer incrementer = new HsqlMaxValueIncrementer();
incrementer.setDataSource(dataSource);
incrementer.setIncrementerName("myseq");
incrementer.setColumnName("seq");
incrementer.setCacheSize(3);
incrementer.setPaddingLength(3);
incrementer.afterPropertiesSet();
assertEquals(0, incrementer.nextIntValue());
assertEquals(1, incrementer.nextLongValue());
assertEquals("002", incrementer.nextStringValue());
assertEquals(3, incrementer.nextIntValue());
assertEquals(4, incrementer.nextLongValue());
verify(statement, times(6)).executeUpdate("insert into myseq values(null)");
verify(statement).executeUpdate("delete from myseq where seq < 2");
verify(statement).executeUpdate("delete from myseq where seq < 5");
verify(resultSet, times(6)).close();
verify(statement, times(2)).close();
verify(connection, times(2)).close();
}
@Test
public void testHsqlMaxValueIncrementerWithDeleteSpecificValues() throws SQLException {
given(dataSource.getConnection()).willReturn(connection);
given(connection.createStatement()).willReturn(statement);
given(statement.executeQuery("select max(identity()) from myseq")).willReturn(resultSet);
given(resultSet.next()).willReturn(true);
given(resultSet.getLong(1)).willReturn(0L, 1L, 2L, 3L, 4L, 5L);
HsqlMaxValueIncrementer incrementer = new HsqlMaxValueIncrementer();
incrementer.setDataSource(dataSource);
incrementer.setIncrementerName("myseq");
incrementer.setColumnName("seq");
incrementer.setCacheSize(3);
incrementer.setPaddingLength(3);
incrementer.setDeleteSpecificValues(true);
incrementer.afterPropertiesSet();
assertEquals(0, incrementer.nextIntValue());
assertEquals(1, incrementer.nextLongValue());
assertEquals("002", incrementer.nextStringValue());
assertEquals(3, incrementer.nextIntValue());
assertEquals(4, incrementer.nextLongValue());
verify(statement, times(6)).executeUpdate("insert into myseq values(null)");
verify(statement).executeUpdate("delete from myseq where seq in (-1, 0, 1)");
verify(statement).executeUpdate("delete from myseq where seq in (2, 3, 4)");
verify(resultSet, times(6)).close();
verify(statement, times(2)).close();
verify(connection, times(2)).close();
}
@Test
public void testMySQLMaxValueIncrementer() throws SQLException {
given(dataSource.getConnection()).willReturn(connection);
given(connection.createStatement()).willReturn(statement);
given(statement.executeQuery("select last_insert_id()")).willReturn(resultSet);
given(resultSet.next()).willReturn(true);
given(resultSet.getLong(1)).willReturn(2L, 4L);
MySQLMaxValueIncrementer incrementer = new MySQLMaxValueIncrementer();
incrementer.setDataSource(dataSource);
incrementer.setIncrementerName("myseq");
incrementer.setColumnName("seq");
incrementer.setCacheSize(2);
incrementer.setPaddingLength(1);
incrementer.afterPropertiesSet();
assertEquals(1, incrementer.nextIntValue());
assertEquals(2, incrementer.nextLongValue());
assertEquals("3", incrementer.nextStringValue());
assertEquals(4, incrementer.nextLongValue());
verify(statement, times(2)).executeUpdate("update myseq set seq = last_insert_id(seq + 2)");
verify(resultSet, times(2)).close();
verify(statement, times(2)).close();
verify(connection, times(2)).close();
}
@Test
public void testPostgreSQLSequenceMaxValueIncrementer() throws SQLException {
given(dataSource.getConnection()).willReturn(connection);
given(connection.createStatement()).willReturn(statement);
given(statement.executeQuery("select nextval('myseq')")).willReturn(resultSet);
given(resultSet.next()).willReturn(true);
given(resultSet.getLong(1)).willReturn(10L, 12L);
PostgreSQLSequenceMaxValueIncrementer incrementer = new PostgreSQLSequenceMaxValueIncrementer();
incrementer.setDataSource(dataSource);
incrementer.setIncrementerName("myseq");
incrementer.setPaddingLength(5);
incrementer.afterPropertiesSet();
assertEquals("00010", incrementer.nextStringValue());
assertEquals(12, incrementer.nextIntValue());
verify(resultSet, times(2)).close();
verify(statement, times(2)).close();
verify(connection, times(2)).close();
}
@Test
public void testOracleSequenceMaxValueIncrementer() throws SQLException {
given(dataSource.getConnection()).willReturn(connection);
given(connection.createStatement()).willReturn(statement);
given(statement.executeQuery("select myseq.nextval from dual")).willReturn(resultSet);
given(resultSet.next()).willReturn(true);
given(resultSet.getLong(1)).willReturn(10L, 12L);
OracleSequenceMaxValueIncrementer incrementer = new OracleSequenceMaxValueIncrementer();
incrementer.setDataSource(dataSource);
incrementer.setIncrementerName("myseq");
incrementer.setPaddingLength(2);
incrementer.afterPropertiesSet();
assertEquals(10, incrementer.nextLongValue());
assertEquals("12", incrementer.nextStringValue());
verify(resultSet, times(2)).close();
verify(statement, times(2)).close();
verify(connection, times(2)).close();
}
}