Java tutorial
/* * SonarQube, open source software quality management tool. * Copyright (C) 2008-2013 SonarSource * mailto:contact AT sonarsource DOT com * * SonarQube is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3 of the License, or (at your option) any later version. * * SonarQube is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package org.sonar.server.db.migrations; import org.apache.ibatis.session.SqlSession; import org.junit.Rule; import org.junit.Test; import org.junit.rules.ExpectedException; import org.sonar.core.persistence.AbstractDaoTestCase; import org.sonar.core.persistence.Database; import org.sonar.core.persistence.MyBatis; import org.sonar.core.persistence.dialect.Dialect; import org.sonar.core.persistence.dialect.H2; import org.sonar.core.persistence.dialect.MySql; import java.sql.Connection; import static org.fest.assertions.Assertions.assertThat; import static org.mockito.Mockito.*; public class DatabaseMigratorTest extends AbstractDaoTestCase { @Rule public ExpectedException thrown = ExpectedException.none(); MyBatis mybatis = mock(MyBatis.class); Database database = mock(Database.class); DatabaseMigration[] migrations = new DatabaseMigration[] { new FakeMigration() }; @Test public void should_support_only_creation_of_h2_database() throws Exception { when(database.getDialect()).thenReturn(new MySql()); DatabaseMigrator migrator = new DatabaseMigrator(mybatis, database, migrations); assertThat(migrator.createDatabase()).isFalse(); verifyZeroInteractions(mybatis); } @Test public void fail_if_execute_unknown_migration() throws Exception { thrown.expect(IllegalArgumentException.class); thrown.expectMessage("Database migration not found: org.xxx.UnknownMigration"); DatabaseMigrator migrator = new DatabaseMigrator(mybatis, database, migrations); migrator.executeMigration("org.xxx.UnknownMigration"); } @Test public void execute_migration() throws Exception { DatabaseMigrator migrator = new DatabaseMigrator(mybatis, database, migrations); assertThat(FakeMigration.executed).isFalse(); migrator.executeMigration(FakeMigration.class.getName()); assertThat(FakeMigration.executed).isTrue(); } @Test public void should_create_schema_on_h2() throws Exception { Dialect supportedDialect = new H2(); when(database.getDialect()).thenReturn(supportedDialect); Connection connection = mock(Connection.class); SqlSession session = mock(SqlSession.class); when(session.getConnection()).thenReturn(connection); when(mybatis.openSession()).thenReturn(session); DatabaseMigrator databaseMigrator = new DatabaseMigrator(mybatis, database, migrations) { @Override protected void createSchema(Connection connection, String dialectId) { } }; assertThat(databaseMigrator.createDatabase()).isTrue(); } public static class FakeMigration implements DatabaseMigration { static boolean executed = false; @Override public void execute() { executed = true; } } }