/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache license, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the license for the specific language governing permissions and
 * limitations under the license.
 */
package org.apache.logging.log4j.jdbc.appender;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.junit.LoggerContextRule;
import org.apache.logging.log4j.test.RuleChainFactory;
import org.h2.util.IOUtils;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.RuleChain;

public class JdbcAppenderColumnMappingPatternTest {

	@Rule
	public final RuleChain rules;
	private final JdbcRule jdbcRule;

	public JdbcAppenderColumnMappingPatternTest() {
		this(new JdbcRule(JdbcH2TestHelper.TEST_CONFIGURATION_SOURCE_MEM,
				"CREATE TABLE dsMappingLogEntry (id INTEGER IDENTITY, level VARCHAR(10), logger VARCHAR(255), message VARCHAR(1024), exception CLOB)",
				"DROP TABLE dsMappingLogEntry"));
	}

	protected JdbcAppenderColumnMappingPatternTest(final JdbcRule jdbcRule) {
		this.rules = RuleChainFactory.create(jdbcRule, new LoggerContextRule(
				"org/apache/logging/log4j/jdbc/appender/log4j2-dm-column-mapping-pattern.xml"));
		this.jdbcRule = jdbcRule;
	}

	@Test
	public void test() throws Exception {
		try (Connection connection = jdbcRule.getConnection()) {
			final Error exception = new Error("This is a test.");
			final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
			try (final PrintWriter writer = new PrintWriter(outputStream)) {
				exception.printStackTrace(writer);
			}
			final String stackTrace = outputStream.toString();

			final Logger logger = LogManager.getLogger(this.getClass().getName() + ".testDataSourceConfig");
			logger.trace("Data source logged message 01.");
			logger.fatal("Error from data source 02.", exception);
			Thread.sleep(1000);
			try (final Statement statement = connection.createStatement();
					final ResultSet resultSet = statement.executeQuery("SELECT * FROM dsMappingLogEntry ORDER BY id")) {

				assertTrue("There should be at least one row.", resultSet.next());

				assertEquals("The level column is not correct (1).", "FATAL", resultSet.getNString("level"));
				assertEquals("The logger column is not correct (1).", logger.getName(), resultSet.getNString("logger"));
				assertEquals("The message column is not correct (1).", "Error from data source 02.",
						resultSet.getString("message"));
				assertEquals("The exception column is not correct (1).", stackTrace,
						IOUtils.readStringAndClose(resultSet.getNClob("exception").getCharacterStream(), -1));

				assertFalse("There should not be two rows.", resultSet.next());
			}
		}

	}

}