/**

 * @file test_leafref_remove.c

 * @author Radek Krejci <rkrejci@cesnet.cz>

 * @brief Cmoka tests for correct removing leafref nodes from data tree.

 *

 * Copyright (c) 2015 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 <stdio.h>

#include <stdlib.h>

#include <setjmp.h>

#include <stdarg.h>

#include <cmocka.h>

#include "tests/config.h"

#include "libyang.h"

struct state {

    struct ly_ctx *ctx;

    struct lyd_node *data;

};

static int

setup_f(void **state)

{

    struct state *st;

    const char *schemafile = TESTS_DIR"/data/files/leafrefs.yin";

    const char *datafile = TESTS_DIR"/data/files/leafrefs.xml";

    (*state) = st = calloc(1, sizeof *st);

    if (!st) {

        fprintf(stderr, "Memory allocation error");

        return -1;

    }

    /* libyang context */

    st->ctx = ly_ctx_new(NULL, 0);

    if (!st->ctx) {

        fprintf(stderr, "Failed to create context.\n");

        return -1;

    }

    /* schema */

    if (!lys_parse_path(st->ctx, schemafile, LYS_IN_YIN)) {

        fprintf(stderr, "Failed to load data model \"%s\".\n", schemafile);

        return -1;

    }

    /* data */

    st->data = lyd_parse_path(st->ctx, datafile, LYD_XML, LYD_OPT_CONFIG);

    if (!st->data) {

        fprintf(stderr, "Failed to load initial data file.\n");

        return -1;

    }

    return 0;

}

static int

teardown_f(void **state)

{

    struct state *st = (*state);

    lyd_free(st->data);

    ly_ctx_destroy(st->ctx, NULL);

    free(st);

    (*state) = NULL;

    return 0;

}

static void

test_leafref_free(void **state)

{

    struct state *st = (*state);

    int r;

    lyd_free(st->data->child->child->prev);

    r = lyd_validate(&(st->data), LYD_OPT_CONFIG, NULL);

    assert_int_not_equal(r, 0);

    lyd_new_leaf(st->data->child, NULL, "name", "jedna");

    r = lyd_validate(&(st->data), LYD_OPT_CONFIG, NULL);

    assert_int_equal(r, 0);

}

static void

test_leafref_unlink(void **state)

{

    struct state *st = (*state);

    struct lyd_node *node;

    int r;

    node = st->data->child->child->next;

    lyd_unlink(node);

    r = lyd_validate(&(st->data), LYD_OPT_CONFIG, NULL);

    assert_int_not_equal(r, 0);

    lyd_insert(st->data->child, node);

    r = lyd_validate(&(st->data), LYD_OPT_CONFIG, NULL);

    assert_int_equal(r, 0);

}

static void

test_leafref_unlink2(void **state)

{

    struct state *st = (*state);

    struct lyd_node *node;

    int r;

    node = st->data->child;

    lyd_unlink(node);

    r = lyd_validate(&(st->data), LYD_OPT_CONFIG, NULL);

    assert_int_not_equal(r, 0);

    lyd_insert(st->data, node);

    r = lyd_validate(&(st->data), LYD_OPT_CONFIG, NULL);

    assert_int_equal(r, 0);

}

int main(void)

{

    const struct CMUnitTest tests[] = {

                    cmocka_unit_test_setup_teardown(test_leafref_free, setup_f, teardown_f),

                    cmocka_unit_test_setup_teardown(test_leafref_unlink, setup_f, teardown_f),

                    cmocka_unit_test_setup_teardown(test_leafref_unlink2, setup_f, teardown_f), };

    return cmocka_run_group_tests(tests, NULL, NULL);

}