@WebAppConfiguration
@ContextConfiguration(classes={LibraryManagerContextConfiguration.class, WebSecurityConfig.class})
public class AbstractIntegrationTest {

    @Autowired
    private WebApplicationContext webApplicationContext;

    @Autowired
    private JwtAuthenticationFilter jwtAuthenticationFilter;

    @Autowired
    private LoginFilter loginFilter;

    private MockMvc mockMvc;

    private static IDatabaseConnection databaseConnection;
    private static Connection connection;
    private static boolean isAfterFirstRun;
    private static Logger logger = LogManager.getLogger(AbstractIntegrationTest.class);

    @BeforeClass
    public static void createDatabase() throws Exception {
        try {
            final Properties properties = loadProperties();

            final String driver = properties.getProperty("datasource.driver");
            final String url = properties.getProperty("datasource.url");
            final String userName = properties.getProperty("datasource.username");
            final String password = properties.getProperty("datasource.password");
            final String schema = properties.getProperty("datasource.schema");

            Class.forName(driver);
            connection = DriverManager.getConnection(url, userName, password);
            databaseConnection = new HsqldbConnection(connection, schema);

        } catch (final SQLException exception) {
            throw new RuntimeException(exception.getMessage(), exception);
        } catch (final ClassNotFoundException exception) {
            throw new RuntimeException(exception.getMessage(), exception);
        }
    }

    @Before
    public void setDatabaseUp() throws Exception {
        if (!isAfterFirstRun) {
            runSQLCommands(getDataSetupFile());
        }
        runSQLCommands(getClearDatabaseFile());
        runSQLCommands(getResetSequencesFile());
        runSQLCommands(getDataFile());
        isAfterFirstRun = true;
    }

    @AfterClass
    public static void closeConnection() throws Exception {
        connection.close();
        databaseConnection.close();
    }

    protected void runSQLCommands(final String file) throws Exception {
        if (file != null) {
            final InputStream stream = getSQLInputStream(file);
            final BufferedReader databaseReader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));

            int i = 1;
            String sqlStatement = null;
            while ((sqlStatement = databaseReader.readLine()) != null) {
                if (sqlStatement.startsWith("--")) {
                    i++;
                    continue;
                }
                final int index = sqlStatement.lastIndexOf(";");
                if (index > -1) {
                    sqlStatement = sqlStatement.substring(0, index + 1);
                }
                if (sqlStatement.trim().length() != 0) {
                    try {
                        connection.createStatement().execute(sqlStatement);
                        logger.info(sqlStatement);
                    } catch (final Exception exception) {
                        logger.error("Error running command on line " + i + " of file " + file + ": " + exception.getMessage());
                        throw new RuntimeException(exception);
                    }
                }
                i++;
            }
        }
    }

    protected IDatabaseConnection getConnection() {
        return databaseConnection;
    }

    protected static IDataSet getDataSet(final String dataset) {
        try {
            final InputSource source = new InputSource(AbstractIntegrationTest.class.getResourceAsStream(dataset));
            return new FlatXmlDataSetBuilder().build(source);
        } catch (final Exception exception) {
            throw new RuntimeException("Cannot read the dataset file " + dataset + "!", exception);
        }
    }

    private static Properties loadProperties() throws Exception {
        final InputStream stream = ClassLoader.getSystemResourceAsStream("datasource.properties");
        if (stream == null) {
            throw new FileNotFoundException("File erm.properties not found. A file named erm.properties must be present "
                    + "in the src/test/resources folder of the project whose class is being tested.");
        }
        final Properties properties = new Properties();
        properties.load(stream);
        return properties;
    }

    private static InputStream getSQLInputStream(final String fileName) {
        return AbstractIntegrationTest.class.getResourceAsStream(fileName);
    }

    protected String getClearDatabaseFile() {
        return "/database/clear-database.sql";
    }

    protected String getDataSetupFile() {
        return "/database/database-setup.sql";
    }

    protected String getDataFile() {
        return "/database/data.sql";
    }

    protected String getResetSequencesFile() {
        return "/database/reset-sequences.sql";
    }

    protected void verifyDatasetForTable(final String fileName, final String tableName, final String[] ignoredColumns) throws Exception {
        assertEqualsByQuery(getDataSet("/database/datasets/" + fileName), getConnection(), "select * from " + tableName, tableName, ignoredColumns);
    }

    protected void verifyDatasetForTable(final String fileName, final String tableName, final String sqlStatement, final String[] ignoredColumns)
            throws Exception {
        printValues(tableName, sqlStatement, getConnection());
        assertEqualsByQuery(getDataSet("/database/datasets/" + fileName), getConnection(), sqlStatement, tableName, ignoredColumns);
    }

    private void printValues(final String tableName, final String query, final IDatabaseConnection conn) throws Exception {
        final ITable table = conn.createQueryTable(tableName, query);
        for (int i = 0; i < table.getRowCount(); i++) {
            System.out.print(i + 1 + " ");
            for (int j = 0; j < table.getTableMetaData().getColumns().length; j++) {
                final String column = table.getTableMetaData().getColumns()[j].getColumnName();
                System.out.print(column + ": " + table.getValue(i, column) + " ");
            }
            System.out.println();
        }
    }

@RunWith(SpringJUnit4ClassRunner.class)
public class AuthenticationIntegrationTest extends AbstractIntegrationTest {

    @Test
    public void shouldGetAuthorizationJwt() throws Exception {

        final String jsonCredentials = "{"
                    + ""username" : "augusto","
                    + ""password" : "spring""
                + "}";

        final MvcResult result =  performRESTLogin(jsonCredentials);
        final MockHttpServletResponse response = result.getResponse();
        final int status = response.getStatus();
        final String jwt = response.getHeader("Authorization");

        assertThat(status, is(200));
        assertThat(jwt, notNullValue());
    }

}

server.contextPath=/librarymanager
server.port: 8081

spring.datasource.url = jdbc:mysql://localhost:3306/librarymanager
spring.datasource.username = root
spring.datasource.password = root
spring.jpa.show-sql = true
spring.jpa.hibernate.ddl-auto = create-drop
spring.jpa.hibernate.naming.strategy = org.hibernate.cfg.ImprovedNamingStrategy
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect

datasource.class=org.hsqldb.jdbc.JDBCDataSource
datasource.driver=org.hsqldb.jdbc.JDBCDriver
datasource.url=jdbc:hsqldb:mem:librarymanager;sql.syntax_ora=true
datasource.schema=sa
datasource.username=sa
datasource.password=