import java.io.File;

import java.nio.file.Files;

/*

 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @summary jpackager create image --version test

 * @library ../helpers

 * @build JPackagerHelper

 * @build JPackagerPath

 * @modules jdk.jpackager

 * @run main/othervm -Xmx512m JPackagerCreateImageVersionTest

 */

public class JPackagerCreateImageVersionTest {

    private static final String appCfg = JPackagerPath.getAppCfg();

    private static final String VERSION = "2.3";

    private static final String VERSION_DEFAULT = "1.0";

    private static final String[] CMD = {

        "create-image",

        "--input", "input",

        "--output", "output",

        "--name", "test",

        "--main-jar", "hello.jar",

        "--class", "Hello",

        "--force",

        "--files", "hello.jar"};

    private static final String[] CMD_VERSION = {

        "create-image",

        "--input", "input",

        "--output", "output",

        "--name", "test",

        "--main-jar", "hello.jar",

        "--class", "Hello",

        "--files", "hello.jar",

        "--force",

        "--version", VERSION};

    private static void validate(String version)

            throws Exception {

        File outfile = new File(appCfg);

        if (!outfile.exists()) {

            throw new AssertionError(appCfg + " was not created");

        }

        String output = Files.readString(outfile.toPath());

        if (version == null) {

            version = VERSION_DEFAULT;

        }

        String expected = "app.version=" + version;

        if (!output.contains(expected)) {

            System.err.println("Expected: " + expected);

            throw new AssertionError("Cannot find expected entry in config file");

        }

    }

    private static void testVersion() throws Exception {

        JPackagerHelper.executeCLI(true, CMD);

        validate(null);

        JPackagerHelper.executeCLI(true, CMD_VERSION);

        validate(VERSION);

    }

    private static void testVersionToolProvider() throws Exception {

        JPackagerHelper.executeToolProvider(true, CMD);

        validate(null);

        JPackagerHelper.executeToolProvider(true, CMD_VERSION);

        validate(VERSION);

    }

    public static void main(String[] args) throws Exception {

        JPackagerHelper.createHelloJar();

        testVersion();

        testVersionToolProvider();

    }

}