/*
 * Copyright 2006-2023 the original author or authors.
 *
 * Licensed 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
 *
 *      https://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.springframework.batch.sample;

import javax.sql.DataSource;

import org.junit.jupiter.api.Test;

import org.springframework.batch.core.BatchStatus;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.converter.DefaultJobParametersConverter;
import org.springframework.batch.support.PropertiesConverter;
import org.springframework.batch.test.JobLauncherTestUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
import org.springframework.test.context.transaction.BeforeTransaction;
import org.springframework.test.jdbc.JdbcTestUtils;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Simple restart scenario.
 *
 * @author Robert Kasanicky
 * @author Dave Syer
 * @author Mahmoud Ben Hassine
 * @author Glenn Renfro
 */
@SpringJUnitConfig(
		locations = { "/simple-job-launcher-context.xml", "/jobs/restartSample.xml", "/job-runner-context.xml" })
class RestartFunctionalTests {

	private JdbcTemplate jdbcTemplate;

	@Autowired
	private JobLauncherTestUtils jobLauncherTestUtils;

	@Autowired
	public void setDataSource(DataSource dataSource) {
		this.jdbcTemplate = new JdbcTemplate(dataSource);
	}

	@BeforeTransaction
	void onTearDown() {
		JdbcTestUtils.deleteFromTables(jdbcTemplate, "TRADE");
	}

	/*
	 * Job fails on first run, because the module throws exception after processing more
	 * than half of the input. On the second run, the job should finish successfully,
	 * because it continues execution where the previous run stopped (module throws
	 * exception after fixed number of processed records).
	 */
	@Test
	void testLaunchJob() throws Exception {
		int before = JdbcTestUtils.countRowsInTable(jdbcTemplate, "TRADE");

		JobExecution jobExecution = runJobForRestartTest();
		assertEquals(BatchStatus.FAILED, jobExecution.getStatus());

		Throwable ex = jobExecution.getAllFailureExceptions().get(0);
		assertTrue(ex.getMessage().toLowerCase().contains("planned"));

		int medium = JdbcTestUtils.countRowsInTable(jdbcTemplate, "TRADE");
		// assert based on commit interval = 2
		assertEquals(before + 2, medium);

		jobExecution = runJobForRestartTest();
		assertEquals(BatchStatus.COMPLETED, jobExecution.getStatus());

		int after = JdbcTestUtils.countRowsInTable(jdbcTemplate, "TRADE");

		assertEquals(before + 5, after);
	}

	// load the application context and launch the job
	private JobExecution runJobForRestartTest() throws Exception {
		return jobLauncherTestUtils
			.launchJob(new DefaultJobParametersConverter().getJobParameters(PropertiesConverter.stringToProperties(
					"input.file=classpath:data/fixedLengthImportJob/input/20070122.teststream.ImportTradeDataStep.txt")));
	}

}
