sqlquerytests.java

spring的源代码

/*
 * Copyright 2002-2006 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 java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.sql.DataSource;

import org.easymock.MockControl;

import org.springframework.dao.IncorrectResultSizeDataAccessException;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.jdbc.AbstractJdbcTests;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.SqlParameter;

/**
 * @author Trevor Cook
 * @author Thomas Risberg
 */
public class SqlQueryTests extends AbstractJdbcTests {

	private static final String SELECT_ID = "select id from custmr";
	private static final String SELECT_ID_WHERE =
		"select id from custmr where forename = ? and id = ?";
	private static final String SELECT_FORENAME = "select forename from custmr";
	private static final String SELECT_FORENAME_EMPTY =
		"select forename from custmr WHERE 1 = 2";
	private static final String SELECT_ID_FORENAME_WHERE =
		"select id, forename from custmr where forename = ?";
	private static final String SELECT_ID_FORENAME_WHERE_ID =
		"select id, forename from custmr where id <= ?";
	
	private static final String[] COLUMN_NAMES = new String[] { "id", "forename" };
	private static final int[] COLUMN_TYPES = new int[] { Types.INTEGER, Types.VARCHAR };

	private MockControl ctrlPreparedStatement;
	private PreparedStatement mockPreparedStatement;
	private MockControl ctrlResultSet;
	private ResultSet mockResultSet;

	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();
	}

	protected void tearDown() throws Exception {
		/*
		super.tearDown();
		ctrlPreparedStatement.verify();
		ctrlResultSet.verify();
		*/
	}

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

	public void testQueryWithoutParams() throws SQLException {
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getInt(1);
		ctrlResultSet.setReturnValue(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(SELECT_ID);
		ctrlConnection.setReturnValue(mockPreparedStatement);

		replay();

		SqlQuery query = new MappingSqlQueryWithParameters() {
			protected Object mapRow(
				ResultSet rs,
				int rownum,
				Object[] params,
				Map context)
				throws SQLException {
				assertTrue("params were null", params == null);
				assertTrue("context was null", context == null);
				return new Integer(rs.getInt(1));
			}
		};

		query.setDataSource(mockDataSource);
		query.setSql(SELECT_ID);
		query.compile();
		List list = query.execute();
		assertTrue("Found customers", list.size() != 0);
		for (Iterator itr = list.iterator(); itr.hasNext();) {
			Integer id = (Integer) itr.next();
			assertTrue(
				"Customer id was assigned correctly",
				id.intValue() == 1);
		}
	}

	public void testQueryWithoutEnoughParams() {
		replay();

		MappingSqlQuery query = new MappingSqlQuery() {
			protected Object mapRow(ResultSet rs, int rownum)
				throws SQLException {
				return new Integer(rs.getInt(1));
			}

		};
		query.setDataSource(mockDataSource);
		query.setSql(SELECT_ID_WHERE);
		query.declareParameter(
			new SqlParameter(COLUMN_NAMES[0], COLUMN_TYPES[0]));
		query.declareParameter(
			new SqlParameter(COLUMN_NAMES[1], COLUMN_TYPES[1]));
		query.compile();

		try {
			List list = query.execute();
			fail("Shouldn't succeed in running query without enough params");
		}
		catch (InvalidDataAccessApiUsageException ex) {
			// OK
		}
	}

	public void testBindVariableCountWrong() {
		replay();

		MappingSqlQuery query = new MappingSqlQuery() {
			protected Object mapRow(ResultSet rs, int rownum)
				throws SQLException {
				return new Integer(rs.getInt(1));
			}
		};
		query.setDataSource(mockDataSource);
		query.setSql(SELECT_ID_WHERE);
		query.declareParameter(
			new SqlParameter(COLUMN_NAMES[0], COLUMN_TYPES[0]));
		query.declareParameter(
			new SqlParameter(COLUMN_NAMES[1], COLUMN_TYPES[1]));
		query.declareParameter(new SqlParameter("NONEXISTENT", Types.VARCHAR));
		try {
			query.compile();
			fail("Shouldn't succeed in compiling query with bind var mismatch");
		}
		catch (InvalidDataAccessApiUsageException ex) {
			// OK
		}
	}

	public void testStringQueryWithResults() throws Exception {
		String[] dbResults = new String[] { "alpha", "beta", "charlie" };

		MockControl[] ctrlCountResultSetMetaData = new MockControl[3];
		ResultSetMetaData[] mockCountResultSetMetaData = new ResultSetMetaData[3];
		MockControl[] ctrlCountResultSet = new MockControl[3];
		ResultSet[] mockCountResultSet = new ResultSet[3];
		MockControl[] ctrlCountPreparedStatement = new MockControl[3];
		PreparedStatement[] mockCountPreparedStatement = new PreparedStatement[3];

		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getString(1);
		ctrlResultSet.setReturnValue(dbResults[0]);
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getString(1);
		ctrlResultSet.setReturnValue(dbResults[1]);
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getString(1);
		ctrlResultSet.setReturnValue(dbResults[2]);
		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(SELECT_FORENAME);
		ctrlConnection.setReturnValue(mockPreparedStatement);

		for (int i = 0; i < dbResults.length; i++) {
			ctrlCountResultSetMetaData[i] = MockControl.createControl(ResultSetMetaData.class);
			mockCountResultSetMetaData[i] = (ResultSetMetaData) ctrlCountResultSetMetaData[i].getMock();
			mockCountResultSetMetaData[i].getColumnCount();
			ctrlCountResultSetMetaData[i].setReturnValue(1);

			ctrlCountResultSet[i] = MockControl.createControl(ResultSet.class);
			mockCountResultSet[i] = (ResultSet) ctrlCountResultSet[i].getMock();
			mockCountResultSet[i].getMetaData();
			ctrlCountResultSet[i].setReturnValue(mockCountResultSetMetaData[i]);
			mockCountResultSet[i].next();
			ctrlCountResultSet[i].setReturnValue(true);
			mockCountResultSet[i].getInt(1);
			ctrlCountResultSet[i].setReturnValue(1);
			mockCountResultSet[i].wasNull();
			ctrlCountResultSet[i].setReturnValue(false);
			mockCountResultSet[i].next();
			ctrlCountResultSet[i].setReturnValue(false);
			mockCountResultSet[i].close();
			ctrlCountResultSet[i].setVoidCallable();

			ctrlCountPreparedStatement[i] = MockControl.createControl(PreparedStatement.class);
			mockCountPreparedStatement[i] = (PreparedStatement) ctrlCountPreparedStatement[i].getMock();
			mockCountPreparedStatement[i].executeQuery();
			ctrlCountPreparedStatement[i].setReturnValue(mockCountResultSet[i]);
			mockCountPreparedStatement[i].getWarnings();
			ctrlCountPreparedStatement[i].setReturnValue(null);
			mockCountPreparedStatement[i].close();
			ctrlCountPreparedStatement[i].setVoidCallable();

			mockConnection.prepareStatement(
				"SELECT COUNT(FORENAME) FROM CUSTMR WHERE FORENAME='" + dbResults[i] + "'");
			ctrlConnection.setReturnValue(mockCountPreparedStatement[i]);

			ctrlCountResultSetMetaData[i].replay();
			ctrlCountResultSet[i].replay();
			ctrlCountPreparedStatement[i].replay();
		}

		replay();

		StringQuery query = new StringQuery(mockDataSource, SELECT_FORENAME);
		query.setRowsExpected(3);
		String[] results = query.run();
		assertTrue("Array is non null", results != null);
		assertTrue("Found results", results.length > 0);
		assertTrue(
			"Found expected number of results",
			query.getRowsExpected() == 3);

		JdbcTemplate helper = new JdbcTemplate(mockDataSource);
		for (int i = 0; i < results.length; i++) {
			// BREAKS ON ' in name
			int dbCount = helper.queryForInt(
					"SELECT COUNT(FORENAME) FROM CUSTMR WHERE FORENAME='" + results[i] + "'", (Object[]) null);
			assertTrue("found in db", dbCount == 1);
		}

		for (int i = 0; i < dbResults.length; i++) {
			ctrlCountResultSetMetaData[i].verify();
			ctrlCountResultSet[i].verify();
			ctrlCountPreparedStatement[i].verify();
		}
	}

	public void testStringQueryWithoutResults() throws SQLException {
		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(SELECT_FORENAME_EMPTY);
		ctrlConnection.setReturnValue(mockPreparedStatement);

		replay();

		StringQuery query =	new StringQuery(mockDataSource, SELECT_FORENAME_EMPTY);
		String[] results = query.run();
		assertTrue("Array is non null", results != null);
		assertTrue("Found 0 results", results.length == 0);
	}

	public void XtestAnonCustomerQuery() {
		/*
				mockPreparedStatement =
					new SpringMockPreparedStatement[] {
						 SpringMockJdbcFactory.preparedStatement(
							SELECT_ID_FORENAME_WHERE,
							new Object[] { new Integer(1)},
							null,
							null,
							mockConnection)
				};
				mockPreparedStatement[0].setExpectedExecuteCalls(1);
				mockPreparedStatement[0].setExpectedCloseCalls(1);

				mockResultSet =
					new MockResultSet[] {
						SpringMockJdbcFactory
						.resultSet(new Object[][] { { new Integer(1), "rod" }
					}, COLUMN_NAMES, mockPreparedStatement[0])
					};
				mockResultSet[0].setExpectedNextCalls(2);

				SqlQuery query = new MappingSqlQuery() {
					protected Object mapRow(ResultSet rs, int rownum)
						throws SQLException {
						Customer cust = new Customer();
						cust.setId(rs.getInt(COLUMN_NAMES[0]));
						cust.setForename(rs.getString(COLUMN_NAMES[1]));
						return cust;
					}
				};
				query.setDataSource(mockDataSource);
				query.setSql(SELECT_ID_FORENAME_WHERE);
				query.declareParameter(new SqlParameter(Types.NUMERIC));
				query.compile();

				List list = query.execute(1);
				assertTrue("List is non null", list != null);
				assertTrue("Found 1 result", list.size() == 1);
				Customer cust = (Customer) list.get(0);
				assertTrue("Customer id was assigned correctly", cust.getId() == 1);
				assertTrue(
					"Customer forename was assigned correctly",
					cust.getForename().equals("rod"));

				try {
					list = query.execute();
					fail("Shouldn't have executed without arguments");
				}
				catch (InvalidDataAccessApiUsageException ex) {
					// ok
				}
		*/
	}

	public void testFindCustomerIntInt() throws SQLException {
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getInt("id");
		ctrlResultSet.setReturnValue(1);
		mockResultSet.getString("forename");
		ctrlResultSet.setReturnValue("rod");
		mockResultSet.next();
		ctrlResultSet.setReturnValue(false);
		mockResultSet.close();
		ctrlResultSet.setVoidCallable();

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

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

		replay();

		class CustomerQuery extends MappingSqlQuery {

			public CustomerQuery(DataSource ds) {
				super(ds, SELECT_ID_WHERE);
				declareParameter(new SqlParameter(Types.NUMERIC));
				declareParameter(new SqlParameter(Types.NUMERIC));
				compile();
			}

			protected Object mapRow(ResultSet rs, int rownum)
				throws SQLException {
				Customer cust = new Customer();
				cust.setId(rs.getInt(COLUMN_NAMES[0]));
				cust.setForename(rs.getString(COLUMN_NAMES[1]));
				return cust;
			}

			public Customer findCustomer(int id, int otherNum) {
				return (Customer) findObject(id, otherNum);
			}
		}
		CustomerQuery query = new CustomerQuery(mockDataSource);
		Customer cust = query.findCustomer(1, 1);

		assertTrue("Customer id was assigned correctly", cust.getId() == 1);
		assertTrue(
			"Customer forename was assigned correctly",
			cust.getForename().equals("rod"));
	}

	public void testFindCustomerString() throws SQLException {
		mockResultSet.next();
		ctrlResultSet.setReturnValue(true);
		mockResultSet.getInt("id");
		ctrlResultSet.setReturnValue(1);
		mockResultSet.getString("forename");
		ctrlResultSet.setReturnValue("rod");
		mockResultSet.next();
		ctrlResultSet.setReturnValue(false);
		mockResultSet.close();
		ctrlResultSet.setVoidCallable();

		mockPreparedStatement.setString(1, "rod");
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.executeQuery();
		ctrlPreparedStatement.setReturnValue(mockResultSet);
		mockPreparedStatement.getWarnings();
		ctrlPreparedStatement.setReturnValue(null);
		mockPreparedStatement.close();
		ctrlPreparedStatement.setVoidCallable();

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

		replay();

		class CustomerQuery extends MappingSqlQuery {

			public CustomerQuery(DataSource ds) {
				super(ds, SELECT_ID_FORENAME_WHERE);
				declareParameter(new SqlParameter(Types.VARCHAR));