/**

 * \file test_print_transform.c

 * \author Michal Vasko <mvasko@cesnet.cz>

 * \brief libyang tests - transforming node-ids schema -> JSON -> schema and printing in both YANG and YIN

 *

 * Copyright (c) 2016 CESNET, z.s.p.o.

 *

 * This source code is licensed under BSD 3-Clause License (the "License").

 * You may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     https://opensource.org/licenses/BSD-3-Clause

 */

#include <dirent.h>

#include <errno.h>

#include <fcntl.h>

#include <pthread.h>

#include <setjmp.h>

#include <stdarg.h>

#include <stddef.h>

#include <stdlib.h>

#include <string.h>

#include <sys/stat.h>

#include <sys/types.h>

#include <unistd.h>

#include <cmocka.h>

#include "libyang.h"

#include "../tests/config.h"

#define SCHEMA_FOLDER TESTS_DIR"/schema/yin/files"

static int

diff(const char *data, FILE *model)

{

    char *data2;

    unsigned int length;

    size_t read;

    length = strlen(data);

    data2 = malloc(length);

    read = fread(data2, 1, length, model);

    if (read != length) {

        goto fail;

    }

    if (strncmp(data, data2, length)) {

        goto fail;

    }

    free(data2);

    return 0;

fail:

    fprintf(stderr, "diff failed on:\n\"%s\"\nand\n\"%s\"\n", data, data2);

    free(data2);

    return 1;

}

static int

setup_ctx(void **state)

{

    //ly_verb(LY_LLVRB);

    (*state) = ly_ctx_new(SCHEMA_FOLDER, 0);

    if (!(*state)) {

        return -1;

    }

    return 0;

}

static int

teardown_ctx(void **state)

{

    ly_ctx_destroy((struct ly_ctx *)(*state), NULL);

    (*state) = NULL;

    return 0;

}

static void

execute_test_with_filenames(void **state,

                            char *module_name,

                            char *yang_file,

                            char *yin_file)

{

    struct ly_ctx *ctx = *state;

    const struct lys_module *module;

    char *new;

    FILE *file;

    int ret;

    module = ly_ctx_load_module(ctx, module_name, NULL);

    assert_non_null(module);

    /* YANG */

    ret = lys_print_mem(&new, module, LYS_OUT_YANG, NULL, 0, 0);

    assert_int_equal(ret, 0);

    file = fopen(yang_file, "r");

    assert_non_null(file);

    ret = diff(new, file);

    free(new);

    fclose(file);

    assert_int_equal(ret, 0);

    /* YIN */

    ret = lys_print_mem(&new, module, LYS_OUT_YIN, NULL, 0, 0);

    assert_int_equal(ret, 0);

    file = fopen(yin_file, "r");

    assert_non_null(file);

    ret = diff(new, file);

    free(new);

    fclose(file);

    assert_int_equal(ret, 0);

}

static void

test_modules(void **state)

{

execute_test_with_filenames(state,

                            "d2",

                            SCHEMA_FOLDER"/d2_output.yang",

                            SCHEMA_FOLDER"/d2_output.yin");

}

static void

test_modules_2(void **state)

{

execute_test_with_filenames(state,

                            "compname-int-unit-test",

                            SCHEMA_FOLDER"/compname-int-unit-test-output.yang",

                            SCHEMA_FOLDER"/compname-int-unit-test-output.yin");

}

int

main(void)

{

    const struct CMUnitTest cmut[] = {

        cmocka_unit_test_setup_teardown(test_modules, setup_ctx, teardown_ctx),

        cmocka_unit_test_setup_teardown(test_modules_2, setup_ctx, teardown_ctx)

    };

    return cmocka_run_group_tests(cmut, NULL, NULL);

}