/*
* 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.openjpa.jdbc.sql;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.sql.DataSource;
import org.apache.openjpa.jdbc.conf.JDBCConfiguration;
import org.apache.openjpa.kernel.StoreContext;
import org.jmock.Expectations;
import org.jmock.integration.junit4.JUnitRuleMockery;
import org.junit.Rule;
import org.junit.Test;
import static org.junit.Assert.*;
public class TestDB2Dictionary {
@Rule
public JUnitRuleMockery context = new JUnitRuleMockery();
final JDBCConfiguration mockConfiguration = context.mock(JDBCConfiguration.class);
final Statement mockStatement = context.mock(Statement.class);
final Connection mockConnection = context.mock(Connection.class);
final ResultSet mockRS = context.mock(ResultSet.class);
final DataSource mockDS = context.mock(DataSource.class);
final DatabaseMetaData mockMetaData = context.mock(DatabaseMetaData.class);
final StoreContext sc = null;
final String schema = "abcd";
/*
* When DS1 is non null we should get a connection and use it to obtain the schema name.
*/
@Test
public void testGetDefaultSchemaNameDS1() throws Exception {
// Expected method calls on the mock objects above. If any of these are
// do not occur, or if any other methods are invoked on the mock objects
// an exception will be thrown and the test will fail.
context.checking(new Expectations()
{
{
// Wiring, make sure the appropriate mocks are created.
oneOf(mockConfiguration).getDataSource(with(equal(sc)));
will(returnValue(mockDS));
oneOf(mockDS).getConnection();
will(returnValue(mockConnection));
oneOf(mockConnection).createStatement();
will(returnValue(mockStatement));
oneOf(mockStatement).executeQuery(with(any(String.class)));
will(returnValue(mockRS));
// expect one call to rs.next() - needs to return true.
oneOf(mockRS).next();
will(returnValue(true));
// return our schema name
oneOf(mockRS).getString(1);
will(returnValue(schema));
// cleanup
oneOf(mockConnection).close();
oneOf(mockRS).close();
oneOf(mockStatement).close();
allowing(mockConfiguration);
}
});
DBDictionary dict = new DB2Dictionary();
dict.setConfiguration(mockConfiguration);
assertNotNull(dict);
assertEquals(schema, dict.getDefaultSchemaName());
}
/*
* When ds1 is null, fallback to ds2
*/
@Test
public void testGetDefaultSchemaNameDS2() throws Exception {
// Expected method calls on the mock objects above. If any of these are
// do not occur, or if any other methods are invoked on the mock objects
// an exception will be thrown and the test will fail.
context.checking(new Expectations()
{
{
// Wiring, make sure the appropriate mocks are created.
oneOf(mockConfiguration).getDataSource(with(equal(sc)));
will(returnValue(null));
oneOf(mockConfiguration).getDataSource2(with(equal(sc)));
will(returnValue(mockDS));
oneOf(mockDS).getConnection();
will(returnValue(mockConnection));
oneOf(mockConnection).createStatement();
will(returnValue(mockStatement));
oneOf(mockStatement).executeQuery(with(any(String.class)));
will(returnValue(mockRS));
// expect one call to rs.next() - needs to return true.
oneOf(mockRS).next();
will(returnValue(true));
// return our schema name
oneOf(mockRS).getString(1);
will(returnValue(schema));
// cleanup
oneOf(mockConnection).close();
oneOf(mockRS).close();
oneOf(mockStatement).close();
allowing(mockConfiguration);
}
});
DBDictionary dict = new DB2Dictionary();
dict.setConfiguration(mockConfiguration);
assertNotNull(dict);
assertEquals(schema, dict.getDefaultSchemaName());
}
/*
* When ds1 is null, fallback to ds2
*/
@Test
public void testGetDefaultSchemaNameNoDS() throws Exception {
// Expected method calls on the mock objects above. If any of these are
// do not occur, or if any other methods are invoked on the mock objects
// an exception will be thrown and the test will fail.
context.checking(new Expectations()
{
{
// both datasources are null for this test.
oneOf(mockConfiguration).getDataSource(with(equal(sc)));
will(returnValue(null));
oneOf(mockConfiguration).getDataSource2(with(equal(sc)));
will(returnValue(null));
allowing(mockConfiguration);
}
});
DBDictionary dict = new DB2Dictionary();
dict.setConfiguration(mockConfiguration);
assertNotNull(dict);
assertEquals(null, dict.getDefaultSchemaName());
}
/*
* TestWhitespace trim
*/
@Test
public void testGetDefaultSchemaNameTrimmed() throws Exception {
final String schema2 = "abcd ";
// Expected method calls on the mock objects above. If any of these are
// do not occur, or if any other methods are invoked on the mock objects
// an exception will be thrown and the test will fail.
context.checking(new Expectations()
{
{
// Wiring, make sure the appropriate mocks are created.
oneOf(mockConfiguration).getDataSource(with(equal(sc)));
will(returnValue(mockDS));
oneOf(mockDS).getConnection();
will(returnValue(mockConnection));
oneOf(mockConnection).createStatement();
will(returnValue(mockStatement));
oneOf(mockStatement).executeQuery(with(any(String.class)));
will(returnValue(mockRS));
// expect one call to rs.next() - needs to return true.
oneOf(mockRS).next();
will(returnValue(true));
// return our schema name
oneOf(mockRS).getString(1);
will(returnValue(schema2));
// cleanup
oneOf(mockConnection).close();
oneOf(mockRS).close();
oneOf(mockStatement).close();
allowing(mockConfiguration);
}
});
DBDictionary dict = new DB2Dictionary();
dict.setConfiguration(mockConfiguration);
assertNotNull(dict);
assertEquals(schema2.trim(), dict.getDefaultSchemaName());
}
/*
* Verifies that the ConnectedConfiguration method only uses the DBMetaData to determine the correct behavior.
*/
@Test
public void testConnectedConfigurationOnlyUsesMetaData() throws Exception {
context.checking(new Expectations()
{
{
// No activity on the connection other than getting the metadata.
allowing(mockConnection).getMetaData();
will(returnValue(mockMetaData));
// anything on the configuration or DBMetaData is fair game.
allowing(mockMetaData);
allowing(mockConfiguration);
}
});
DB2Dictionary dict = new DB2Dictionary();
// skip all the meta data resolution code.
dict.db2ServerType = DB2Dictionary.db2UDBV82OrLater;
dict.setMajorVersion(9);
dict.setConfiguration(mockConfiguration);
assertNotNull(dict);
dict.connectedConfiguration(mockConnection);
}
}