Spring Framework example source code file (SqlFunctionTests.java)

This example Spring Framework source code file (SqlFunctionTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

function, function, function_mixed, integer, integer, jdbc, mockcontrol, object, preparedstatement, resultsetmetadata, resultsetmetadata, sql, sqlexception, sqlfunction, sqlfunction, string

The Spring Framework SqlFunctionTests.java source code

/*
 * Copyright 2002-2005 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.object;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Types;

import org.easymock.MockControl;

import org.springframework.dao.IncorrectResultSizeDataAccessException;
import org.springframework.jdbc.AbstractJdbcTests;

/**
 * @author Trevor Cook
 */
public class SqlFunctionTests extends AbstractJdbcTests {

	private static final String FUNCTION = "select count(id) from mytable";
	private static final String FUNCTION_INT =
		"select count(id) from mytable where myparam = ?";
	private static final String FUNCTION_MIXED =
		"select count(id) from mytable where myparam = ? and mystring = ?";

	private MockControl ctrlPreparedStatement;
	private PreparedStatement mockPreparedStatement;
	private MockControl ctrlResultSet;
	private ResultSet mockResultSet;
	private MockControl ctrlResultSetMetaData;
	private ResultSetMetaData mockResultSetMetaData;

	protected void setUp() throws Exception {
		super.setUp();

		ctrlPreparedStatement = MockControl.createControl(PreparedStatement.class);
		mockPreparedStatement = (PreparedStatement) ctrlPreparedStatement.getMock();
		ctrlResultSet = MockControl.createControl(ResultSet.class);
		mockResultSet = (ResultSet) ctrlResultSet.getMock();
		ctrlResultSetMetaData = MockControl.createControl(ResultSetMetaData.class);
		mockResultSetMetaData = (ResultSetMetaData) ctrlResultSetMetaData.getMock();
	}

	protected void replay() {
		super.replay();
		ctrlPreparedStatement.replay();
		ctrlResultSet.replay();
		ctrlResultSetMetaData.replay();
	}

	protected void tearDown() throws Exception {
		super.tearDown();
		if (shouldVerify()) {
			ctrlPreparedStatement.verify();
			ctrlResultSet.verify();
			ctrlResultSetMetaData.verify();
		}
	}

	public void testFunction() throws SQLException {
		ctrlResultSetMetaData = MockControl.createControl(ResultSetMetaData.class);
		mockResultSetMetaData = (ResultSetMetaData) ctrlResultSetMetaData.getMock();
		mockResultSetMetaData.getColumnCount();
		ctrlResultSetMetaData.setReturnValue(1);

		mockResultSet.getMetaData();
		ctrlResultSet.setReturnValue(mockResultSetMetaData, 1);
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getObject(1);
		ctrlResultSet.setReturnValue(new Integer(14));
		mockResultSet.next();
		ctrlResultSet.setReturnValue(false);
		mockResultSet.close();
		ctrlResultSet.setVoidCallable();

		mockPreparedStatement.executeQuery();
		ctrlPreparedStatement.setReturnValue(mockResultSet);
		mockPreparedStatement.getWarnings();
		ctrlPreparedStatement.setReturnValue(null);
		mockPreparedStatement.close();
		ctrlPreparedStatement.setVoidCallable();

		mockConnection.prepareStatement(FUNCTION);
		ctrlConnection.setReturnValue(mockPreparedStatement);

		replay();

		SqlFunction function = new SqlFunction();
		function.setDataSource(mockDataSource);
		function.setSql(FUNCTION);
		function.compile();

		int count = function.run();
		assertTrue("Function returned value 14", count == 14);
	}

	public void testTooManyRows() throws SQLException {
		ctrlResultSetMetaData = MockControl.createControl(ResultSetMetaData.class);
		mockResultSetMetaData = (ResultSetMetaData) ctrlResultSetMetaData.getMock();
		mockResultSetMetaData.getColumnCount();
		ctrlResultSetMetaData.setReturnValue(1, 2);

		mockResultSet.getMetaData();
		ctrlResultSet.setReturnValue(mockResultSetMetaData, 2);
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getObject(1);
		ctrlResultSet.setReturnValue(new Integer(14), 1);
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getObject(1);
		ctrlResultSet.setReturnValue(new Integer(15), 1);
		mockResultSet.next();
		ctrlResultSet.setReturnValue(false);
		mockResultSet.close();
		ctrlResultSet.setVoidCallable();

		mockPreparedStatement.executeQuery();
		ctrlPreparedStatement.setReturnValue(mockResultSet);
		mockPreparedStatement.getWarnings();
		ctrlPreparedStatement.setReturnValue(null);
		mockPreparedStatement.close();
		ctrlPreparedStatement.setVoidCallable();

		mockConnection.prepareStatement(FUNCTION);
		ctrlConnection.setReturnValue(mockPreparedStatement);

		replay();

		SqlFunction function = new SqlFunction(mockDataSource, FUNCTION);
		function.compile();

		try {
			int count = function.run();
			fail("Shouldn't continue when too many rows returned");
		}
		catch (IncorrectResultSizeDataAccessException idaauex) {
			// OK 
		}
	}

	public void testFunctionInt() throws SQLException {
		ctrlResultSetMetaData = MockControl.createControl(ResultSetMetaData.class);
		mockResultSetMetaData = (ResultSetMetaData) ctrlResultSetMetaData.getMock();
		mockResultSetMetaData.getColumnCount();
		ctrlResultSetMetaData.setReturnValue(1);

		mockResultSet.getMetaData();
		ctrlResultSet.setReturnValue(mockResultSetMetaData, 1);
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getObject(1);
		ctrlResultSet.setReturnValue(new Integer(14));
		mockResultSet.next();
		ctrlResultSet.setReturnValue(false);
		mockResultSet.close();
		ctrlResultSet.setVoidCallable();

		mockPreparedStatement.setObject(1, new Integer(1), Types.INTEGER);
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.executeQuery();
		ctrlPreparedStatement.setReturnValue(mockResultSet);
		mockPreparedStatement.getWarnings();
		ctrlPreparedStatement.setReturnValue(null);
		mockPreparedStatement.close();
		ctrlPreparedStatement.setVoidCallable();

		mockConnection.prepareStatement(FUNCTION_INT);
		ctrlConnection.setReturnValue(mockPreparedStatement);

		replay();

		SqlFunction function = new SqlFunction(mockDataSource, FUNCTION_INT);
		function.setTypes(new int[] { Types.INTEGER });
		function.compile();

		int count = function.run(1);
		assertTrue("Function returned value 14", count == 14);
	}

	public void testFunctionMixed() throws SQLException {
		ctrlResultSetMetaData = MockControl.createControl(ResultSetMetaData.class);
		mockResultSetMetaData = (ResultSetMetaData) ctrlResultSetMetaData.getMock();
		mockResultSetMetaData.getColumnCount();
		ctrlResultSetMetaData.setReturnValue(1);

		mockResultSet.getMetaData();
		ctrlResultSet.setReturnValue(mockResultSetMetaData, 1);
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getObject(1);
		ctrlResultSet.setReturnValue(new Integer(14));
		mockResultSet.next();
		ctrlResultSet.setReturnValue(false);
		mockResultSet.close();
		ctrlResultSet.setVoidCallable();

		mockPreparedStatement.setObject(1, new Integer(1), Types.INTEGER);
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.setString(2, "rod");
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.executeQuery();
		ctrlPreparedStatement.setReturnValue(mockResultSet);
		mockPreparedStatement.getWarnings();
		ctrlPreparedStatement.setReturnValue(null);
		mockPreparedStatement.close();
		ctrlPreparedStatement.setVoidCallable();

		mockConnection.prepareStatement(FUNCTION_MIXED);
		ctrlConnection.setReturnValue(mockPreparedStatement);

		replay();

		SqlFunction function = new SqlFunction(
				mockDataSource, FUNCTION_MIXED, new int[] { Types.INTEGER, Types.VARCHAR });
		function.compile();

		int count = function.run(new Object[] { new Integer(1), "rod" });
		assertTrue("Function returned value 14", count == 14);
	}

	public void testFunctionWithStringResult() throws SQLException {
		ctrlResultSetMetaData = MockControl.createControl(ResultSetMetaData.class);
		mockResultSetMetaData = (ResultSetMetaData) ctrlResultSetMetaData.getMock();
		mockResultSetMetaData.getColumnCount();
		ctrlResultSetMetaData.setReturnValue(1);

		mockResultSet.getMetaData();
		ctrlResultSet.setReturnValue(mockResultSetMetaData, 1);
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getObject(1);
		ctrlResultSet.setReturnValue("14");
		mockResultSet.next();
		ctrlResultSet.setReturnValue(false);
		mockResultSet.close();
		ctrlResultSet.setVoidCallable();

		mockPreparedStatement.setObject(1, new Integer(1), Types.INTEGER);
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.setString(2, "rod");
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.executeQuery();
		ctrlPreparedStatement.setReturnValue(mockResultSet);
		mockPreparedStatement.getWarnings();
		ctrlPreparedStatement.setReturnValue(null);
		mockPreparedStatement.close();
		ctrlPreparedStatement.setVoidCallable();

		mockConnection.prepareStatement(FUNCTION_MIXED);
		ctrlConnection.setReturnValue(mockPreparedStatement);

		replay();

		SqlFunction function = new SqlFunction( mockDataSource, FUNCTION_MIXED);
		function.setTypes(new int[] { Types.INTEGER, Types.VARCHAR });
		function.compile();

		String result = (String) function.runGeneric(new Object[] { new Integer(1), "rod" });
		assertTrue("Function returned value 14", "14".equals(result));
	}

	public void testFunctionWithStringConvertedResult() throws SQLException {
		ctrlResultSetMetaData = MockControl.createControl(ResultSetMetaData.class);
		mockResultSetMetaData = (ResultSetMetaData) ctrlResultSetMetaData.getMock();
		mockResultSetMetaData.getColumnCount();
		ctrlResultSetMetaData.setReturnValue(1);

		mockResultSet.getMetaData();
		ctrlResultSet.setReturnValue(mockResultSetMetaData, 1);
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getString(1);
		ctrlResultSet.setReturnValue("14");
		mockResultSet.next();
		ctrlResultSet.setReturnValue(false);
		mockResultSet.close();
		ctrlResultSet.setVoidCallable();

		mockPreparedStatement.setObject(1, new Integer(1), Types.INTEGER);
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.setString(2, "rod");
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.executeQuery();
		ctrlPreparedStatement.setReturnValue(mockResultSet);
		mockPreparedStatement.getWarnings();
		ctrlPreparedStatement.setReturnValue(null);
		mockPreparedStatement.close();
		ctrlPreparedStatement.setVoidCallable();

		mockConnection.prepareStatement(FUNCTION_MIXED);
		ctrlConnection.setReturnValue(mockPreparedStatement);

		replay();

		SqlFunction function = new SqlFunction( mockDataSource, FUNCTION_MIXED);
		function.setTypes(new int[] { Types.INTEGER, Types.VARCHAR });
		function.setResultType(String.class);
		function.compile();

		String result = (String) function.runGeneric(new Object[] { new Integer(1), "rod" });
		assertTrue("Function returned value 14", "14".equals(result));
	}

}