/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.commandline.dbms;

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

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import org.junit.jupiter.api.Test;
import org.neo4j.cli.AdminTool;
import org.neo4j.cli.ExecutionContext;
import org.neo4j.cli.ExitCode;
import org.neo4j.test.extension.Inject;
import org.neo4j.test.extension.testdirectory.TestDirectoryExtension;
import org.neo4j.test.utils.TestDirectory;

@TestDirectoryExtension
public class AdminToolTest {
    @Inject
    private TestDirectory directory;

    @Test
    void shouldPrintEnvironmentVariablesInHelpUsage() {
        ByteArrayOutputStream outBuffer = new ByteArrayOutputStream();
        ByteArrayOutputStream errBuffer = new ByteArrayOutputStream();
        try (PrintStream out = new PrintStream(outBuffer);
                PrintStream err = new PrintStream(errBuffer)) {
            assertEquals(
                    ExitCode.USAGE,
                    AdminTool.execute(new ExecutionContext(
                            directory.homePath(), directory.directory("conf"), out, err, directory.getFileSystem())));
        }
        String outString = outBuffer.toString();
        assertTrue(outString.contains("Environment variables"));
        assertTrue(outString.contains("NEO4J_HOME"));
        assertTrue(outString.contains("NEO4J_CONF"));
    }
}
