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package at.ac.tuwien.sepm.assignment.groupphase.util;
import static org.dbunit.Assertion.assertEquals;
import java.io.InputStream;
import java.lang.invoke.MethodHandles;
import java.sql.SQLException;
import java.sql.Types;
import java.util.Collection;
import java.util.Collections;
import org.dbunit.DefaultDatabaseTester;
import org.dbunit.IDatabaseTester;
import org.dbunit.IOperationListener;
import org.dbunit.database.DatabaseConfig;
import org.dbunit.database.DatabaseConnection;
import org.dbunit.database.IDatabaseConnection;
import org.dbunit.dataset.DataSetException;
import org.dbunit.dataset.IDataSet;
import org.dbunit.dataset.datatype.DataType;
import org.dbunit.dataset.datatype.DataTypeException;
import org.dbunit.dataset.xml.FlatXmlDataSetBuilder;
import org.dbunit.ext.h2.H2DataTypeFactory;
import org.dbunit.operation.DatabaseOperation;
import org.junit.After;
import org.junit.Before;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
@Component
public abstract class JdbcTestCase {
private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
private static final String JDBC_URL =
"jdbc:h2:mem:test;INIT=RUNSCRIPT FROM 'classpath:sql/database.sql'";
private IDatabaseTester dbTester;
private IDatabaseConnection connection;
private IOperationListener operationListener;
private JDBCConnectionManager jdbcConnectionManager;
protected JdbcTestCase() {
jdbcConnectionManager = new JDBCConnectionManager(JDBC_URL);
}
protected abstract IDataSet getDataSet() throws Exception;
protected IDataSet getDataSet(String xmlname) throws DataSetException {
InputStream res = getClass().getClassLoader().getResourceAsStream(xmlname);
FlatXmlDataSetBuilder builder = new FlatXmlDataSetBuilder();
builder.setColumnSensing(true);
return builder.build(res);
}
protected JDBCConnectionManager getJdbcConnectionManager() {
return jdbcConnectionManager;
}
protected IDatabaseConnection getConnection() throws Exception {
if (connection == null)
connection = new DatabaseConnection(jdbcConnectionManager.getConnection(), null, true);
return connection;
}
private IOperationListener getOperationListener() {
if (operationListener == null) {
operationListener =
new IOperationListener() {
@Override
public void connectionRetrieved(IDatabaseConnection connection) {
setUpDatabaseConfig(connection.getConfig());
}
@Override
public void operationSetUpFinished(IDatabaseConnection connection) {
LOG.debug("operationSetUpFinished(connection={}) - start", connection);
}
@Override
public void operationTearDownFinished(IDatabaseConnection connection) {
LOG.debug(
"operationTearDownFinished(connection={}) - start", connection);
try {
connection.close();
} catch (SQLException e) {
LOG.error("Failed to close connection:" + e);
e.printStackTrace();
}
}
};
}
return operationListener;
}
// override DBUnit's enum handling
private void setUpDatabaseConfig(DatabaseConfig config) {
H2DataTypeFactory factory =
new H2DataTypeFactory() {
boolean isEnumType(String sqlTypeName) {
return sqlTypeName.equalsIgnoreCase("enum");
}
boolean isTimestampWithTimeZoneType(String sqlTypeName) {
return sqlTypeName.equalsIgnoreCase("timestamp with time zone");
}
@Override
public DataType createDataType(int sqlType, String sqlTypeName)
throws DataTypeException {
if (isEnumType(sqlTypeName)) {
sqlType = Types.VARCHAR;
} else if (isTimestampWithTimeZoneType(sqlTypeName)) {
sqlType = Types.VARCHAR;
}
return super.createDataType(sqlType, sqlTypeName);
}
@Override
public Collection getValidDbProducts() {
return Collections.singletonList("H2");
}
};
config.setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY, factory);
}
protected void compareWith(String xmlname, String[] tables) throws Exception {
InputStream res = getClass().getClassLoader().getResourceAsStream(xmlname);
IDataSet actual = getConnection().createDataSet();
IDataSet expected = new FlatXmlDataSetBuilder().build(res);
for (String table : tables) {
assertEquals(expected.getTable(table), actual.getTable(table));
}
}
@Before
public void setUp() throws Exception {
IDataSet dataSet = getDataSet();
dbTester = new DefaultDatabaseTester(getConnection());
getOperationListener().connectionRetrieved(getConnection());
dbTester.setSetUpOperation(DatabaseOperation.CLEAN_INSERT);
dbTester.setTearDownOperation(DatabaseOperation.REFRESH);
dbTester.setDataSet(dataSet);
dbTester.setOperationListener(getOperationListener());
dbTester.onSetup();
}
@After
public void tearDown() throws Exception {
try {
dbTester.onTearDown();
getConnection().close();
} finally {
dbTester = null;
}
}
}
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