/*
   lib - canonicalize path

   Copyright (C) 2011-2019
   Free Software Foundation, Inc.

   Written by:
   Slava Zanko <slavazanko@gmail.com>, 2011, 2013

   This file is part of the Midnight Commander.

   The Midnight Commander 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.

   The Midnight Commander 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/>.
 */

#define TEST_SUITE_NAME "/lib/vfs"

#include "tests/mctest.h"

#ifdef HAVE_CHARSET
#include "lib/charsets.h"
#endif

#include "lib/strutil.h"
#include "lib/util.h"
#include "lib/vfs/xdirentry.h"

#include "src/vfs/local/local.c"

static struct vfs_class vfs_test_ops;

/* --------------------------------------------------------------------------------------------- */

/* @Before */
static void
setup (void)
{
    str_init_strings (NULL);

    vfs_init ();
    vfs_init_localfs ();
    vfs_setup_work_dir ();

#ifdef HAVE_CHARSET
    mc_global.sysconfig_dir = (char *) TEST_SHARE_DIR;
    load_codepages_list ();
#endif

    vfs_init_class (&vfs_test_ops, "testfs", VFSF_NOLINKS | VFSF_REMOTE, "ftp");
    vfs_register_class (&vfs_test_ops);
}

/* --------------------------------------------------------------------------------------------- */

/* @After */
static void
teardown (void)
{
#ifdef HAVE_CHARSET
    free_codepages_list ();
#endif

    vfs_shut ();
    str_uninit_strings ();
}

/* --------------------------------------------------------------------------------------------- */

/* @DataSource("test_canonicalize_path_ds") */
/* *INDENT-OFF* */
static const struct test_canonicalize_path_ds
{
    const char *input_path;
    const char *expected_path;
} test_canonicalize_path_ds[] =
{
    { /* 0. UNC path */
        "//some_server/ww",
        "//some_server/ww"
    },
    { /* 1. join slashes */
        "///some_server/////////ww",
        "/some_server/ww"
    },
    { /* 2. Collapse "/./" -> "/" */
        "//some_server//.///////ww/./././.",
        "//some_server/ww"
    },
    {/* 3. Remove leading "./" */
        "./some_server/ww",
        "some_server/ww"
    },
    { /* 4. some/.. -> . */
        "some_server/..",
        "."
    },
    { /* 5. Collapse "/.." with the previous part of path */
        "/some_server/ww/some_server/../ww/../some_server/..//ww/some_server/ww",
        "/some_server/ww/ww/some_server/ww"
    },
    { /* 6. URI style */
        "/some_server/ww/ftp://user:pass@host.net/path/",
        "/some_server/ww/ftp://user:pass@host.net/path"
    },
    { /* 7. */
        "/some_server/ww/ftp://user:pass@host.net/path/../../",
        "/some_server/ww"
    },
    { /* 8. */
        "ftp://user:pass@host.net/path/../../",
        "."
    },
    { /* 9. */
        "ftp://user/../../",
        ".."
    },
#ifdef HAVE_CHARSET
    { /* 10. Supported encoding */
        "/b/#enc:utf-8/../c",
        "/c"
    },
    { /* 11. Unsupported encoding */
        "/b/#enc:aaaa/../c",
        "/b/c"
    },
    { /* 12. Supported encoding */
        "/b/../#enc:utf-8/c",
        "/#enc:utf-8/c"
    },
    { /* 13. Unsupported encoding */
        "/b/../#enc:aaaa/c",
        "/#enc:aaaa/c"
    },
    { /* 14.  Supported encoding */
        "/b/c/#enc:utf-8/..",
        "/b"
    },
    { /* 15.  Unsupported encoding */
        "/b/c/#enc:aaaa/..",
        "/b/c"
    },
    { /* 16.  Supported encoding */
        "/b/c/../#enc:utf-8",
        "/b/#enc:utf-8"
    },
    { /* 17.  Unsupported encoding */
        "/b/c/../#enc:aaaa",
        "/b/#enc:aaaa"
    },
#endif  /* HAVE_CHARSET */
};
/* *INDENT-ON* */

/* @Test(dataSource = "test_canonicalize_path_ds") */
/* *INDENT-OFF* */
START_PARAMETRIZED_TEST (test_canonicalize_path, test_canonicalize_path_ds)
/* *INDENT-ON* */
{
    /* given */
    char *actual_path;

    actual_path = g_strdup (data->input_path);

    /* when */
    canonicalize_pathname (actual_path);

    /* then */
    mctest_assert_str_eq (actual_path, data->expected_path) g_free (actual_path);
}
/* *INDENT-OFF* */
END_PARAMETRIZED_TEST
/* *INDENT-ON* */

/* --------------------------------------------------------------------------------------------- */

int
main (void)
{
    int number_failed;

    Suite *s = suite_create (TEST_SUITE_NAME);
    TCase *tc_core = tcase_create ("Core");
    SRunner *sr;

    tcase_add_checked_fixture (tc_core, setup, teardown);

    /* Add new tests here: *************** */
    mctest_add_parameterized_test (tc_core, test_canonicalize_path, test_canonicalize_path_ds);
    /* *********************************** */

    suite_add_tcase (s, tc_core);
    sr = srunner_create (s);
    srunner_set_log (sr, "canonicalize_pathname.log");
    srunner_run_all (sr, CK_ENV);
    number_failed = srunner_ntests_failed (sr);
    srunner_free (sr);
    return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}

/* --------------------------------------------------------------------------------------------- */