java-tutorials/dbunit/src/test/java/com/baeldung/dbunit/OldSchoolDbUnitTest.java

112 lines
4.0 KiB
Java

package com.baeldung.dbunit;
import org.dbunit.Assertion;
import org.dbunit.IDatabaseTester;
import org.dbunit.JdbcDatabaseTester;
import org.dbunit.dataset.IDataSet;
import org.dbunit.dataset.ITable;
import org.dbunit.dataset.xml.FlatXmlDataSet;
import org.dbunit.operation.DatabaseOperation;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.ResultSet;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class OldSchoolDbUnitTest {
private static final String JDBC_DRIVER = org.h2.Driver.class.getName();
private static final String JDBC_URL = "jdbc:h2:mem:default;DB_CLOSE_DELAY=-1;init=runscript from 'classpath:schema.sql'";
private static final String USER = "sa";
private static final String PASSWORD = "";
private static IDatabaseTester tester = null;
@BeforeClass
public static void setUp() throws Exception {
tester = initDatabaseTester();
}
private static IDatabaseTester initDatabaseTester() throws Exception {
final JdbcDatabaseTester tester = new JdbcDatabaseTester(JDBC_DRIVER, JDBC_URL, USER, PASSWORD);
tester.setDataSet(initDataSet());
tester.setSetUpOperation(DatabaseOperation.REFRESH);
tester.setTearDownOperation(DatabaseOperation.NONE);
return tester;
}
private static IDataSet initDataSet() throws Exception {
final InputStream is = OldSchoolDbUnitTest.class.getClassLoader().getResourceAsStream("data.xml");
return new FlatXmlDataSet(is);
}
@Before
public void setup() throws Exception {
tester.onSetup();
}
@After
public void tearDown() throws Exception {
tester.onTearDown();
}
@Test
public void testSelect() throws Exception {
// Arrange
final Connection connection = tester.getConnection().getConnection();
// Act
final ResultSet rs = connection.createStatement().executeQuery("select * from iTEMS where id = 1");
// Assert
assertTrue(rs.next());
assertEquals("Grey T-Shirt", rs.getString("title"));
}
@Test
public void testDelete() throws Exception {
// Arrange
final Connection connection = tester.getConnection().getConnection();
final InputStream is = OldSchoolDbUnitTest.class.getClassLoader().getResourceAsStream("items_exp_delete.xml");
ITable expectedTable = (new FlatXmlDataSet(is)).getTable("items");
//expectedTable = DefaultColumnFilter.excludedColumnsTable(expectedTable, new String[]{"produced"});
// Act
connection.createStatement().executeUpdate("delete from ITEMS where id = 2");
// Assert
final IDataSet databaseDataSet = tester.getConnection().createDataSet();
ITable actualTable = databaseDataSet.getTable("items");
//actualTable = DefaultColumnFilter.excludedColumnsTable(actualTable, new String[]{"produced"});
Assertion.assertEquals(expectedTable, actualTable);
}
@Test
public void testUpdate() throws Exception {
// Arrange
final Connection connection = tester.getConnection().getConnection();
final InputStream is = OldSchoolDbUnitTest.class.getClassLoader().getResourceAsStream("items_exp_rename.xml");
ITable expectedTable = (new FlatXmlDataSet(is)).getTable("items");
//expectedTable = DefaultColumnFilter.excludedColumnsTable(expectedTable, new String[]{"produced"});
// Act
connection.createStatement().executeUpdate("update ITEMS set title='new name' where id = 1");
// Assert
final IDataSet databaseDataSet = tester.getConnection().createDataSet();
ITable actualTable = databaseDataSet.getTable("items");
//actualTable = DefaultColumnFilter.excludedColumnsTable(actualTable, new String[]{"produced"});
Assertion.assertEquals(expectedTable, actualTable);
}
}