/**

 * $Id$

 *

 * Test cases for path helper functions

 *

 * Copyright (c) 2012 Nathan Keynes.

 *

 * This program 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 2 of the License, or

 * (at your option) any later version.

 *

 * This program 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.

 */

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <glib/gmem.h>

#include "lxpaths.h"

char *lxdream_get_global_config_path_value() { }

struct expanded_path_case_t {

    const char *input;

    const char *output;

};

char *env_vars[] = { "TEST1=quux", "TEST2=${BLAH}", "TEST3=", "2=3", "TEST_HOME=/home/foo", NULL };

const char *unset_env_vars[] = { "PATH_TEST", "1", NULL };

struct expanded_path_case_t expanded_path_cases[] = {

    {NULL, NULL},

    {"", ""},

    {"a", "a"},

    {"$", "$"},

    {"blah$", "blah$"},

    {"\\$", "$"},

    {"foo\\${TEST}\\n\\\\r", "foo${TEST}n\\r"},

    {"/home/user/.lxdreamrc", "/home/user/.lxdreamrc"},

    {"${TEST_HOME}/.lxdreamrc", "/home/foo/.lxdreamrc"},

    {"$TEST_HOME/bar", "/home/foo/bar"},

    {"/home/$TEST1/blah", "/home/quux/blah"},

    {"/tmp/${TEST2}/abcd", "/tmp/${BLAH}/abcd"},

    {"$TEST1$TEST2$TEST3$1$2", "quux${BLAH}3"},

    {NULL,NULL}

};

gboolean check_expanded_path( const char *input, const char *output )

{

    char * result = get_expanded_path(input);

    if( output == NULL ) {

        if( result != NULL ) {

            printf( "Unexpected non-null result from get_expanded_path(NULL), got '%s'\n", result );

            g_free(result);

            return FALSE;

        } else {

            return TRUE;

        }

    } else if( result == NULL ) {

        printf( "Unexpected NULL result from get_expanded_path('%s'), expected '%s'\n", input, output );

        return FALSE;

    } else if( strcmp(result, output) != 0 ) {

        printf( "Unexpected result from get_expanded_path('%s'), expected '%s' but was '%s'\n", input, output, result );

        g_free(result);

        return FALSE;

    } else {

        g_free(result);

        return TRUE;

    }

}

gboolean test_get_expanded_path()

{

    int count, i;

    int fails = 0;

    for( i=0; env_vars[i] != NULL; i++ ) {

        putenv(env_vars[i]);

    }

    for( i=0; unset_env_vars[i] != NULL; i++ ) {

        unsetenv(unset_env_vars[i]);

    }

    for( count=0; expanded_path_cases[count].input != NULL || count == 0; count++ ) {

        gboolean success = check_expanded_path(expanded_path_cases[count].input, expanded_path_cases[count].output);

        if( !success )

            fails ++;

    }

    printf( "get_expanded_path: %d/%d (%s)\n", (count-fails), count, (fails == 0 ? "OK" : "ERROR"));

    return fails == 0 ? TRUE : FALSE;

    /* FIXME: Should probably restore the env state, but doesn't matter at the moment */

}

int main()

{

    gboolean result = TRUE;

    result =  test_get_expanded_path() && result;

    return result ? 0 : 1;

}