test.RowMapperTests.java Source code

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/*
 * Copyright 2002-2013 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 test;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Types;
import java.util.List;

import junit.framework.TestCase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import org.springframework.jdbc.datasource.SingleConnectionDataSource;
import org.springframework.jdbc.support.SQLStateSQLExceptionTranslator;
import org.springframework.tests.sample.beans.TestBean;

import static org.mockito.BDDMockito.*;

/**
 * @author Juergen Hoeller
 * @since 02.08.2004
 */
public class RowMapperTests extends TestCase {

    private Connection connection;
    private Statement statement;
    private PreparedStatement preparedStatement;
    private ResultSet resultSet;

    private JdbcTemplate template;

    private List<TestBean> result;

    @Override
    @Before
    public void setUp() throws SQLException {
        connection = mock(Connection.class);
        statement = mock(Statement.class);
        preparedStatement = mock(PreparedStatement.class);
        resultSet = mock(ResultSet.class);
        given(connection.createStatement()).willReturn(statement);
        given(connection.prepareStatement(anyString())).willReturn(preparedStatement);
        given(statement.executeQuery(anyString())).willReturn(resultSet);
        given(preparedStatement.executeQuery()).willReturn(resultSet);
        given(resultSet.next()).willReturn(true, true, false);
        given(resultSet.getString(1)).willReturn("tb1", "tb2");
        given(resultSet.getInt(2)).willReturn(1, 2);
        template = new JdbcTemplate();
        template.setDataSource(new SingleConnectionDataSource(connection, false));
        template.setExceptionTranslator(new SQLStateSQLExceptionTranslator());
        template.afterPropertiesSet();
    }

    @After
    public void verifyClosed() throws Exception {
        verify(resultSet).close();
        verify(connection).close();
    }

    @After
    public void verifyResults() {
        assertTrue(result != null);
        assertEquals(2, result.size());
        assertEquals("tb1", result.get(0).getName());
        assertEquals("tb2", result.get(1).getName());
        assertEquals(1, result.get(0).getAge());
        assertEquals(2, result.get(1).getAge());
    }

    @Test
    public void testStaticQueryWithRowMapper() throws SQLException {
        result = template.query("some SQL", new TestRowMapper());
        verify(statement).close();
    }

    @Test
    public void testPreparedStatementCreatorWithRowMapper() throws SQLException {
        result = template.query(new PreparedStatementCreator() {
            @Override
            public PreparedStatement createPreparedStatement(Connection con) throws SQLException {
                return preparedStatement;
            }
        }, new TestRowMapper());
        verify(preparedStatement).close();
    }

    @Test
    public void testPreparedStatementSetterWithRowMapper() throws SQLException {
        result = template.query("some SQL", new PreparedStatementSetter() {
            @Override
            public void setValues(PreparedStatement ps) throws SQLException {
                ps.setString(1, "test");
            }
        }, new TestRowMapper());
        verify(preparedStatement).setString(1, "test");
        verify(preparedStatement).close();
    }

    @Test
    public void testQueryWithArgsAndRowMapper() throws SQLException {
        result = template.query("some SQL", new Object[] { "test1", "test2" }, new TestRowMapper());
        preparedStatement.setString(1, "test1");
        preparedStatement.setString(2, "test2");
        preparedStatement.close();
    }

    @Test
    public void testQueryWithArgsAndTypesAndRowMapper() throws SQLException {
        result = template.query("some SQL", new Object[] { "test1", "test2" },
                new int[] { Types.VARCHAR, Types.VARCHAR }, new TestRowMapper());
        verify(preparedStatement).setString(1, "test1");
        verify(preparedStatement).setString(2, "test2");
        verify(preparedStatement).close();
    }

    private static class TestRowMapper implements RowMapper<TestBean> {
        @Override
        public TestBean mapRow(ResultSet rs, int rowNum) throws SQLException {
            return new TestBean(rs.getString(1), rs.getInt(2));
        }
    }

}