test symlink

sym.java

    @Test
    public void testSymbolicLink(TestInfo testInfo) throws Exception
    {
        File dir = MavenTestingUtils.getTargetTestingDir(testInfo.getDisplayName());
        FS.ensureEmpty(dir);
        File realFile = new File(dir, "real");
        Path realPath = realFile.toPath();
        FS.touch(realFile);

        File linkFile = new File(dir, "link");
        Path linkPath = linkFile.toPath();
        Files.createSymbolicLink(linkPath, realPath);
        Path targPath = linkPath.toRealPath();

        System.err.printf("realPath = %s%n", realPath);
        System.err.printf("linkPath = %s%n", linkPath);
        System.err.printf("targPath = %s%n", targPath);

        assertFalse(Files.isSymbolicLink(realPath));
        assertTrue(Files.isSymbolicLink(linkPath));
    }

    @Test
    public void testSymbolicLinkDir(TestInfo testInfo) throws Exception
    {
        File dir = MavenTestingUtils.getTargetTestingDir(testInfo.getDisplayName());
        FS.ensureEmpty(dir);

        File realDirFile = new File(dir, "real");
        Path realDirPath = realDirFile.toPath();
        Files.createDirectories(realDirPath);

        File linkDirFile = new File(dir, "link");
        Path linkDirPath = linkDirFile.toPath();
        Files.createSymbolicLink(linkDirPath, realDirPath);

        File realFile = new File(realDirFile, "file");
        Path realPath = realFile.toPath();
        FS.touch(realFile);

        File linkFile = new File(linkDirFile, "file");
        Path linkPath = linkFile.toPath();
        Path targPath = linkPath.toRealPath();

        System.err.printf("realPath = %s%n", realPath);
        System.err.printf("linkPath = %s%n", linkPath);
        System.err.printf("targPath = %s%n", targPath);

        assertFalse(Files.isSymbolicLink(realPath));
        assertFalse(Files.isSymbolicLink(linkPath));
    }