/*
 * Copyright (C) Tristan Franssen, <tristanfranssen@strawhats.nl>.
 *
 * This software is licensed under the Apache License, Version 2.0 (the "License");
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License in the file LICENSE or at
 * http://www.apache.org/licenses/LICENSE-2.0
 */
#ifndef QNET_TEST
#define QNET_TEST

#include <stdio.h>

#define QNET_TEST_EXPORT_TEST(name) { #name, qnet_##name##_test }
#define QNET_TEST_DEFINE(name) const char *qnet_##name##_test(void)
#define QNET_TEST_IMPLEMENT(name, implementation) const char *qnet_##name##_test(void) {    \
    implementation                                                                          \
}

/**
 * @brief Creates a list to export so it can be imported into the main test list.
 */
#define QNET_TEST_EXPORT(name, ...) static const struct qnet_test qnet_test_##name[] = {  \
        __VA_ARGS__,                                                                      \
        0                                                                                 \
    }

/**
 * @brief Creates a list of lists from exported tests so all tests can be easly executed.
 */
#define QNET_TEST_START static const struct qnet_test *qnet_test_tests[] = {
#define QNET_TEST_IMPORT(name) qnet_test_##name
#define QNET_TEST_END };

/**
 * @brief Runs all tests specified in the qnet_test_tests array;
 */
#define QNET_TEST_RUN()                                                                                             \
    for (unsigned long long index = 0; index < sizeof(qnet_test_tests) / sizeof(qnet_test_tests[0]); index += 1) {  \
        unsigned long long test_index = 0;                                                                          \
        struct qnet_test current_test = qnet_test_tests[index][test_index];                                         \
        while (current_test.name != 0) {                                                                            \
            printf("[*] running test %s...", current_test.name);                                                    \
            fflush(stdout);                                                                                         \
            const char *result = current_test.function();                                                           \
            if (result == NULL) {                                                                                   \
                printf("\r[PASS] test %s completed successfully!\n", current_test.name);                            \
            } else {                                                                                                \
                printf("\r[FAIL] test %s failed with error:\n\t%s\n", current_test.name, result);                   \
            }                                                                                                       \
                                                                                                                    \
            test_index += 1;                                                                                        \
            current_test = qnet_test_tests[index][test_index];                                                      \
        }                                                                                                           \
    }

struct qnet_test {
    const char *name;
    const char *(*function)(void);    
};

#endif /* QNET_TEST */