Files
spring-boot-rest/libraries-testing/src/test/java/com/baeldung/dbunit/PrepAndExpectedDbUnitTest.java
2020-04-01 19:47:19 +02:00

84 lines
4.0 KiB
Java

package com.baeldung.dbunit;
import org.dbunit.DefaultPrepAndExpectedTestCase;
import org.dbunit.IDatabaseTester;
import org.dbunit.JdbcDatabaseTester;
import org.dbunit.PrepAndExpectedTestCaseSteps;
import org.dbunit.VerifyTableDefinition;
import org.dbunit.dataset.IDataSet;
import org.dbunit.dataset.xml.FlatXmlDataSetBuilder;
import org.dbunit.operation.DatabaseOperation;
import org.dbunit.util.fileloader.DataFileLoader;
import org.dbunit.util.fileloader.FlatXmlDataFileLoader;
import org.junit.Test;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.ResultSet;
import static com.baeldung.dbunit.ConnectionSettings.JDBC_DRIVER;
import static com.baeldung.dbunit.ConnectionSettings.JDBC_URL;
import static com.baeldung.dbunit.ConnectionSettings.PASSWORD;
import static com.baeldung.dbunit.ConnectionSettings.USER;
import static org.assertj.core.api.Assertions.assertThat;
public class PrepAndExpectedDbUnitTest extends DefaultPrepAndExpectedTestCase {
@Override public void setUp() throws Exception {
setDatabaseTester(initDatabaseTester());
setDataFileLoader(initDataFileLoader());
super.setUp();
}
private IDatabaseTester initDatabaseTester() throws Exception {
final JdbcDatabaseTester tester = new JdbcDatabaseTester(JDBC_DRIVER, JDBC_URL, USER, PASSWORD);
tester.setDataSet(initDataSet());
tester.setSetUpOperation(DatabaseOperation.REFRESH);
return tester;
}
private IDataSet initDataSet() throws Exception {
try (final InputStream is = getClass().getClassLoader().getResourceAsStream("dbunit/data.xml")) {
return new FlatXmlDataSetBuilder().build(is);
}
}
private DataFileLoader initDataFileLoader() {
return new FlatXmlDataFileLoader();
}
@Test public void testSelect() throws Exception {
final Connection connection = getConnection().getConnection();
final VerifyTableDefinition[] verifyTables = { new VerifyTableDefinition("CLIENTS", new String[] {}) };
final String[] prepDataFiles = { "/dbunit/users.xml" };
final String[] expectedDataFiles = { "/dbunit/users.xml" };
final PrepAndExpectedTestCaseSteps testSteps = () -> connection.createStatement().executeQuery("select * from CLIENTS where id = 1");
final ResultSet rs = (ResultSet) super.runTest(verifyTables, prepDataFiles, expectedDataFiles, testSteps);
assertThat(rs.next()).isTrue();
assertThat(rs.getString("last_name")).isEqualTo("Xavier");
}
@Test public void testUpdate() throws Exception {
final Connection connection = getConnection().getConnection();
final VerifyTableDefinition[] verifyTables = { new VerifyTableDefinition("CLIENTS", new String[] {}) }; // define tables to verify
final String[] prepDataFiles = { "/dbunit/users.xml" };
final String[] expectedDataFiles = { "/dbunit/users_exp_rename.xml" };
final PrepAndExpectedTestCaseSteps testSteps = () -> connection.createStatement().executeUpdate("update CLIENTS set first_name = 'new name' where id = 1");
super.runTest(verifyTables, prepDataFiles, expectedDataFiles, testSteps);
}
@Test public void testDelete() throws Exception {
final Connection connection = getConnection().getConnection();
final VerifyTableDefinition[] verifyTables = { new VerifyTableDefinition("CLIENTS", new String[] {}) };
final String[] prepDataFiles = { "/dbunit/users.xml" };
final String[] expectedDataFiles = { "/dbunit/users_exp_delete.xml" };
final PrepAndExpectedTestCaseSteps testSteps = () -> connection.createStatement().executeUpdate("delete from CLIENTS where id = 2");
super.runTest(verifyTables, prepDataFiles, expectedDataFiles, testSteps);
}
}