/*

 * Copyright (c) 2015, 2016, 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

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 */

/*

 * @test

 * @summary tests for -modulepath

 * @library /tools/lib

 * @modules

 *      jdk.compiler/com.sun.tools.javac.api

 *      jdk.compiler/com.sun.tools.javac.main

 *      jdk.jdeps/com.sun.tools.javap

 *      jdk.jlink/jdk.tools.jmod

 * @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask toolbox.ModuleBuilder

 *      ModuleTestBase

 * @run main ModulePathTest

 */

import java.io.File;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Path;

import toolbox.JarTask;

import toolbox.JavacTask;

import toolbox.ModuleBuilder;

import toolbox.Task;

import toolbox.ToolBox;

public class ModulePathTest extends ModuleTestBase {

    public static final String PATH_SEP = File.pathSeparator;

    public static void main(String... args) throws Exception {

        ModulePathTest t = new ModulePathTest();

        t.runTests();

    }

    @Test

    public void testNotExistsOnPath(Path base) throws Exception {

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "class C { }");

        String log = new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                        "-modulepath", "doesNotExist")

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("- compiler.err.illegal.argument.for.option: -modulepath, doesNotExist"))

            throw new Exception("expected output not found");

    }

    @Test

    public void testNotADirOnPath_1(Path base) throws Exception {

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "class C { }");

        tb.writeFile("dummy.txt", "");

        String log = new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                        "-modulepath", "dummy.txt")

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("- compiler.err.illegal.argument.for.option: -modulepath, dummy.txt"))

            throw new Exception("expected output not found");

    }

    @Test

    public void testNotADirOnPath_2(Path base) throws Exception {

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "class C { }");

        tb.writeFile("dummy.jimage", "");

        String log = new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                        "-modulepath", "dummy.jimage")

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("- compiler.err.illegal.argument.for.option: -modulepath, dummy.jimage"))

            throw new Exception("expected output not found");

    }

    @Test

    public void testExplodedModuleOnPath(Path base) throws Exception {

        Path modSrc = base.resolve("modSrc");

        tb.writeJavaFiles(modSrc,

                "module m1 { exports p; }",

                "package p; public class CC { }");

        Path modClasses = base.resolve("modClasses");

        Files.createDirectories(modClasses);

        new JavacTask(tb, Task.Mode.CMDLINE)

                .outdir(modClasses)

                .files(findJavaFiles(modSrc))

                .run()

                .writeAll();

        Path src = base.resolve("src");

        tb.writeJavaFiles(src,

                "module m { requires m1 ; }",

                "class C { }");

        Path classes = base.resolve("classes");

        Files.createDirectories(classes);

        new JavacTask(tb, Task.Mode.CMDLINE)

                .outdir(classes)

                .options("-modulepath", modClasses.toString())

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void testBadExplodedModuleOnPath(Path base) throws Exception {

        Path modClasses = base.resolve("modClasses");

        tb.writeFile(modClasses.resolve("module-info.class"), "module m1 { }");

        Path src = base.resolve("src");

        tb.writeJavaFiles(src,

                "module m { requires m1 ; }",

                "class C { }");

        Path classes = base.resolve("classes");

        Files.createDirectories(classes);

        String log = new JavacTask(tb, Task.Mode.CMDLINE)

                .outdir(classes)

                .options("-XDrawDiagnostics",

                        "-modulepath", modClasses.toString())

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("- compiler.err.locn.bad.module-info: " + modClasses.toString()))

            throw new Exception("expected output not found");

    }

    @Test

    public void testAutoJarOnPath(Path base) throws Exception {

        Path jarSrc = base.resolve("jarSrc");

        tb.writeJavaFiles(jarSrc,

                "package p; public class CC { }");

        Path jarClasses = base.resolve("jarClasses");

        Files.createDirectories(jarClasses);

        new JavacTask(tb, Task.Mode.CMDLINE)

                .outdir(jarClasses)

                .files(findJavaFiles(jarSrc))

                .run()

                .writeAll();

        Path moduleJar = base.resolve("m1.jar");

        new JarTask(tb, moduleJar)

          .baseDir(jarClasses)

          .files("p/CC.class")

          .run();

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "class C { p.CC cc; }");

        Path classes = base.resolve("classes");

        Files.createDirectories(classes);

        new JavacTask(tb, Task.Mode.CMDLINE)

                .outdir(classes)

                .options("-modulepath", moduleJar.toString(), "-addmods", "m1")

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void testModJarOnPath(Path base) throws Exception {

        Path jarSrc = base.resolve("jarSrc");

        tb.writeJavaFiles(jarSrc,

                "module m1 { exports p; }",

                "package p; public class CC { }");

        Path jarClasses = base.resolve("jarClasses");

        Files.createDirectories(jarClasses);

        new JavacTask(tb, Task.Mode.CMDLINE)

                .outdir(jarClasses)

                .files(findJavaFiles(jarSrc))

                .run()

                .writeAll();

        Path moduleJar = base.resolve("myModule.jar"); // deliberately not m1

        new JarTask(tb, moduleJar)

          .baseDir(jarClasses)

          .files("module-info.class", "p/CC.class")

          .run();

        Path src = base.resolve("src");

        tb.writeJavaFiles(src,

                "module m { requires m1 ; }",

                "class C { }");

        Path classes = base.resolve("classes");

        Files.createDirectories(classes);

        new JavacTask(tb, Task.Mode.CMDLINE)

                .outdir(classes)

                .options("-modulepath", moduleJar.toString())

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void testBadJarOnPath(Path base) throws Exception {

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "class C { }");

        tb.writeFile("dummy.jar", "");

        String log = new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                        "-modulepath", "dummy.jar")

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("- compiler.err.locn.cant.read.file: dummy.jar"))

            throw new Exception("expected output not found");

    }

    @Test

    public void testJModOnPath(Path base) throws Exception {

        Path jmodSrc = base.resolve("jmodSrc");

        tb.writeJavaFiles(jmodSrc,

                "module m1 { exports p; }",

                "package p; public class CC { }");

        Path jmodClasses = base.resolve("jmodClasses");

        Files.createDirectories(jmodClasses);

        new JavacTask(tb, Task.Mode.CMDLINE)

                .outdir(jmodClasses)

                .files(findJavaFiles(jmodSrc))

                .run()

                .writeAll();

        Path jmod = base.resolve("myModule.jmod"); // deliberately not m1

        jmod(jmodClasses, jmod);

        Path src = base.resolve("src");

        tb.writeJavaFiles(src,

                "module m { requires m1 ; }",

                "class C { }");

        Path classes = base.resolve("classes");

        Files.createDirectories(classes);

        new JavacTask(tb, Task.Mode.CMDLINE)

                .outdir(classes)

                .options("-modulepath", jmod.toString())

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void testBadJModOnPath(Path base) throws Exception {

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "class C { }");

        tb.writeFile("dummy.jmod", "");

        String log = new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                        "-modulepath", "dummy.jmod")

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("- compiler.err.locn.cant.read.file: dummy.jmod"))

            throw new Exception("expected output not found");

    }

    @Test

    public void relativePath(Path base) throws Exception {

        final Path modules = base.resolve("modules");

        new ModuleBuilder(tb, "m1").build(modules);

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "module m2 { requires m1; }", "class A { }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                        "-modulepath", modules + "/./../modules")

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void duplicatePaths_1(Path base) throws Exception {

        final Path modules = base.resolve("modules");

        new ModuleBuilder(tb, "m1").build(modules);

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "module m2 { requires m1; }", "class A { }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                        "-modulepath", modules + "/./../modules" + PATH_SEP + modules)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void duplicatePaths_2(Path base) throws Exception {

        final Path modules = base.resolve("modules");

        new ModuleBuilder(tb, "m1").build(modules);

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "module m2 { requires m1; }", "class A { }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                        "-modulepath", modules.toString(),

                        "-modulepath", modules.toString())

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void oneModuleHidesAnother(Path base) throws Exception {

        final Path module = base.resolve("modules");

        new ModuleBuilder(tb, "m1")

                .exports("pkg1")

                .classes("package pkg1; public class E { }")

                .build(module);

        final Path deepModuleDir = module.resolve("deepModuleDir");

        new ModuleBuilder(tb, "m1")

                .exports("pkg2")

                .classes("package pkg2; public class E { }")

                .build(deepModuleDir);

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "module m2 { requires m1; }", " package p; class A { void main() { pkg2.E.class.getName(); } }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                        "-modulepath", deepModuleDir + PATH_SEP + module)

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    @Test

    public void modulesInDifferentContainers(Path base) throws Exception {

        final Path modules = base.resolve("modules");

        new ModuleBuilder(tb, "m1")

                .exports("one")

                .classes("package one; public class A { }")

                .build(modules);

        new ModuleBuilder(tb, "m2")

                .requires("m1", modules)

                .build(base.resolve("tmp"));

        jar(base.resolve("tmp/m2"), modules.resolve("m2.jar"));

        new ModuleBuilder(tb, "m3")

                .requires("m2", modules)

                .build(base.resolve("tmp"));

        jmod(base.resolve("tmp/m3"), modules.resolve("m3.jmod"));

        Path src = base.resolve("src");

        tb.writeJavaFiles(src, "module m { requires m3; requires m2; requires m1; }",

                "package p; class A { void main() { one.A.class.getName(); } }");

        new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                        "-modulepath", modules.toString())

                .files(findJavaFiles(src))

                .run()

                .writeAll();

    }

    private void jar(Path dir, Path jar) throws IOException {

        new JarTask(tb, jar)

                .baseDir(dir)

                .files(".")

                .run()

                .writeAll();

    }

    private void jmod(Path dir, Path jmod) throws Exception {

        String[] args = {

                "create",

                "--class-path", dir.toString(),

                jmod.toString()

        };

        jdk.tools.jmod.Main.run(args, System.out);

    }

}