tests/src/test_parser_yang.c

/*
 * @file test_parser_yang.c
 * @author: Radek Krejci <rkrejci@cesnet.cz>
 * @brief unit tests for functions from parser_yang.c
 *
 * Copyright (c) 2018 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
 */

#define _BSD_SOURCE
#define _DEFAULT_SOURCE
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>

#include <stdio.h>
#include <string.h>

#include "libyang.h"
#include "../../src/parser_yang.c"

#define BUFSIZE 1024
char logbuf[BUFSIZE] = {0};

/* set to 0 to printing error messages to stderr instead of checking them in code */
#define ENABLE_LOGGER_CHECKING 1

static void
logger(LY_LOG_LEVEL level, const char *msg, const char *path)
{
    (void) level; /* unused */

    if (path) {
        snprintf(logbuf, BUFSIZE - 1, "%s %s", msg, path);
    } else {
        strncpy(logbuf, msg, BUFSIZE - 1);
    }
}

static int
logger_setup(void **state)
{
    (void) state; /* unused */
#if ENABLE_LOGGER_CHECKING
    ly_set_log_clb(logger, 1);
#endif
    return 0;
}

void
logbuf_clean(void)
{
    logbuf[0] = '\0';
}

#if ENABLE_LOGGER_CHECKING
#   define logbuf_assert(str) assert_string_equal(logbuf, str)
#else
#   define logbuf_assert(str)
#endif


static void
test_comments(void **state)
{
    (void) state; /* unused */

    const char *str, *p;

    str = " this is a text of / one * line */ comment\nx";
    assert_int_equal(LY_SUCCESS, skip_comment(NULL, &str, 1));
    assert_string_equal("x", str);

    str = " this is a \n * text // of / block * comment */x";
    assert_int_equal(LY_SUCCESS, skip_comment(NULL, &str, 2));
    assert_string_equal("x", str);

    str = p = " this is one line comment on last line";
    assert_int_equal(LY_SUCCESS, skip_comment(NULL, &str, 1));
    assert_true(str[0] == '\0');

    str = p = " this is a not terminated comment x";
    assert_int_equal(LY_EVALID, skip_comment(NULL, &str, 2));
    logbuf_assert("Unexpected end-of-file, non-terminated comment.");
    assert_true(str[0] == '\0');
}

int main(void)
{
    const struct CMUnitTest tests[] = {
        cmocka_unit_test_setup(test_comments, logger_setup),
    };

    return cmocka_run_group_tests(tests, NULL, NULL);
}