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

 *

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

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 *

 * 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.

 *

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 */

/*

 * @test

 * @summary Tests split packages

 * @library ../lib

 * @build CompilerUtils JdepsUtil

 * @modules jdk.jdeps/com.sun.tools.jdeps

 * @run testng CheckModuleTest

 */

import java.lang.module.ModuleDescriptor;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.Map;

import java.util.Set;

import com.sun.tools.jdeps.ModuleAnalyzer;

import org.testng.annotations.BeforeTest;

import org.testng.annotations.DataProvider;

import org.testng.annotations.Test;

import static org.testng.Assert.assertTrue;

import static org.testng.Assert.assertEquals;

public class CheckModuleTest {

    private static final String TEST_SRC = System.getProperty("test.src");

    private static final String TEST_CLASSES = System.getProperty("test.classes");

    private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");

    private static final Path MODS_DIR = Paths.get("mods");

    // m4 and m5 are analyzed.  Others are compiled to make sure they are present

    // on the module path for analysis

    private static final Set<String> modules = Set.of("unsafe", "m4", "m5", "m6", "m7", "m8");

    private static final String JAVA_BASE = "java.base";

    /**

     * Compiles classes used by the test

     */

    @BeforeTest

    public void compileAll() throws Exception {

        CompilerUtils.cleanDir(MODS_DIR);

        modules.forEach(mn ->

            assertTrue(CompilerUtils.compileModule(SRC_DIR, MODS_DIR, mn)));

    }

    @DataProvider(name = "javaBase")

    public Object[][] base() {

        return new Object[][] {

            { JAVA_BASE, new ModuleMetaData(JAVA_BASE)

            },

        };

    };

    @Test(dataProvider = "javaBase")

    public void testJavaBase(String name, ModuleMetaData data) throws Exception {

        try (JdepsUtil.Command jdeps = JdepsUtil.newCommand(cmd)) {

            jdeps.appModulePath(MODS_DIR.toString());

            ModuleAnalyzer analyzer = jdeps.getModuleAnalyzer(Set.of(name));

            assertTrue(analyzer.run());

            jdeps.dumpOutput(System.err);

            ModuleDescriptor[] descriptors = analyzer.descriptors(name);

            for (int i = 0; i < 3; i++) {

                descriptors[i].requires().stream()

                    .forEach(req -> data.checkRequires(req));

            }

        }

    }

    @DataProvider(name = "modules")

    public Object[][] unnamed() {

        return new Object[][]{

            { "m4", new ModuleMetaData[] {

                        // original

                        new ModuleMetaData("m4")

                            .requiresPublic("java.compiler")

                            .requires("java.logging")

                            // unnused exports

                            .exports("p4.internal", Set.of("m6", "m7")),

                        // suggested version

                        new ModuleMetaData("m4")

                            .requires("java.compiler"),

                        // reduced version

                        new ModuleMetaData("m4")

                            .requires("java.compiler")

                    }

            },

            { "m5", new ModuleMetaData[] {

                        // original

                        new ModuleMetaData("m5")

                            .requiresPublic("java.compiler")

                            .requiresPublic("java.logging")

                            .requires("java.sql")

                            .requiresPublic("m4"),

                        // suggested version

                        new ModuleMetaData("m5")

                            .requiresPublic("java.compiler")

                            .requires("java.logging")

                            .requiresPublic("java.sql")

                            .requiresPublic("m4"),

                        // reduced version

                        new ModuleMetaData("m5")

                            .requiresPublic("java.compiler")

                            .requiresPublic("java.sql")

                            .requiresPublic("m4"),

                    }

            },

        };

    }

    @Test(dataProvider = "modules")

    public void modularTest(String name, ModuleMetaData[] data) throws Exception {

        try (JdepsUtil.Command jdeps = JdepsUtil.newCommand(cmd)) {

            jdeps.appModulePath(MODS_DIR.toString());

            ModuleAnalyzer analyzer = jdeps.getModuleAnalyzer(Set.of(name));

            assertTrue(analyzer.run());

            jdeps.dumpOutput(System.err);

            // compare the module descriptors and the suggested versions

            ModuleDescriptor[] descriptors = analyzer.descriptors(name);

            for (int i = 0; i < 3; i++) {

                ModuleMetaData metaData = data[i];

                descriptors[i].requires().stream()

                    .forEach(req -> metaData.checkRequires(req));

            }

            Map<String, Set<String>> unused = analyzer.unusedQualifiedExports(name);

            // verify unuused qualified exports

            assertEquals(unused, data[0].exports);

        }

    }

}