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/**
* @file tester.c
*
* @brief Test module for automatic testing
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* Hochschule fuer Technik Rapperswil
*
* 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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 <string.h>
#include <pthread.h>
#include <sys/time.h>
#include "tester.h"
#include "allocator.h"
#include "linked_list.h"
#include "../queues/job_queue.h"
/**
* @brief Private Variables and Functions of tester class
*
*/
typedef struct private_tester_s private_tester_t;
struct private_tester_s {
tester_t public;
/* Private functions */
void (*run_test) (tester_t *tester, void (*test_function) (tester_t * tester), char * test_name);
/* Private values */
FILE* output;
int tests_count;
int failed_tests_count;
int failed_asserts_count;
bool display_succeeded_asserts;
pthread_mutex_t mutex;
};
/*
* Implementation of function perform_tests
*/
static status_t perform_tests(tester_t *tester,test_t **tests)
{
private_tester_t *this =(private_tester_t*) tester;
int current_test = 0;
fprintf(this->output,"\nStart testing...\n\n");
fprintf(this->output,"_____________________________________________________________________\n");
fprintf(this->output,"Testname | running time\n");
fprintf(this->output,"_______________________________________________________|_____________\n");
while (tests[current_test] != NULL)
{
this->run_test(tester,tests[current_test]->test_function,tests[current_test]->test_name);
current_test++;
}
fprintf(this->output,"=====================================================================\n");
fprintf(this->output,"End testing. %d of %d tests succeeded\n",this->tests_count - this->failed_tests_count,this->tests_count);
fprintf(this->output,"=====================================================================\n");
return SUCCESS;
}
/*
* Implementation of function perform_test
*/
static status_t perform_test(tester_t *tester, test_t *test)
{
test_t *tests[] = {test, NULL};
return (perform_tests(tester,tests));
}
/**
* Returns the difference of to timeval structs in microseconds
*
* @param end_time end time
* @param start_time start time
*
* @warning this function is also defined in the event queue
* in later improvements, this function can be added to a general
* class type!
*
* @return difference in microseconds
*/
static long time_difference(struct timeval *end_time, struct timeval *start_time)
{
long seconds, microseconds;
seconds = (end_time->tv_sec - start_time->tv_sec);
microseconds = (end_time->tv_usec - start_time->tv_usec);
return ((seconds * 1000000) + microseconds);
}
/**
* Implementation of function run_test
*/
static void run_test(tester_t *tester, void (*test_function) (tester_t * tester), char * test_name)
{
struct timeval start_time, end_time;
long timediff;
private_tester_t *this = (private_tester_t *) tester;
this->tests_count++;
this->failed_asserts_count = 0;
fprintf(this->output,"%-55s\n", test_name);
gettimeofday(&start_time,NULL);
test_function(tester);
gettimeofday(&end_time,NULL);
timediff = time_difference(&end_time, &start_time);
if (this->failed_asserts_count > 0)
{
fprintf(this->output," =>Test failed: %-40s|%10ld us\n",test_name,timediff);
}else
{
fprintf(this->output,"\033[1A\033[55C|%10ld us\033[1B\033[80D",timediff);
}
if (this->failed_asserts_count > 0)
{
this->failed_tests_count++;
}
}
/**
* Implementation of function assert_true
*/
static void assert_true(tester_t *tester, bool to_be_true,char * assert_name)
{
private_tester_t *this = (private_tester_t *) tester;
if (assert_name == NULL)
{
assert_name = "unknown";
}
pthread_mutex_lock(&(this->mutex));
if (!to_be_true)
{
this->failed_asserts_count++;
fprintf(this->output," check '%s' failed!\n", assert_name);
}else
{
if (this->display_succeeded_asserts)
{
fprintf(this->output," check '%s' succeeded\n", assert_name);
}
}
pthread_mutex_unlock(&(this->mutex));
}
/**
* Implementation of function assert_false
*/
static void assert_false(tester_t *tester, bool to_be_false,char * assert_name)
{
tester->assert_true(tester,(!to_be_false),assert_name);
}
/**
* Implements the destroy function
*/
static status_t destroy(tester_t *tester)
{
private_tester_t *this = (private_tester_t*) tester;
pthread_mutex_destroy(&(this->mutex));
allocator_free(this);
return SUCCESS;
}
tester_t *tester_create(FILE *output, bool display_succeeded_asserts)
{
private_tester_t *this = allocator_alloc_thing(private_tester_t);
this->public.destroy = destroy;
this->public.perform_tests = perform_tests;
this->public.perform_test = perform_test;
this->public.assert_true = assert_true;
this->public.assert_false = assert_false;
this->run_test = run_test;
this->display_succeeded_asserts = display_succeeded_asserts;
this->failed_tests_count = 0;
this->tests_count = 0;
this->output = output;
pthread_mutex_init(&(this->mutex),NULL);
return &(this->public);
}
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