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TestSuite.c
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TestSuite.c
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/*
* Copyright 2014 MongoDB, Inc.
*
* 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 at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <bson.h>
#include <assert.h>
#include <fcntl.h>
#include <stdarg.h>
#if defined(__APPLE__)
# include <mach/mach_time.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if !defined(_WIN32)
# include <sys/types.h>
# include <inttypes.h>
# include <sys/utsname.h>
# include <sys/wait.h>
# include <unistd.h>
# include <sys/time.h>
#else
# include <windows.h>
#endif
#if defined(BSON_HAVE_CLOCK_GETTIME)
# include <time.h>
# include <sys/time.h>
#endif
#include "TestSuite.h"
#define TEST_VERBOSE (1 << 0)
#define TEST_NOFORK (1 << 1)
#define TEST_HELPONLY (1 << 2)
#define TEST_NOTHREADS (1 << 3)
#define NANOSEC_PER_SEC 1000000000UL
#if !defined(_WIN32)
# include <pthread.h>
# define Mutex pthread_mutex_t
# define Mutex_Init(_n) pthread_mutex_init((_n), NULL)
# define Mutex_Lock pthread_mutex_lock
# define Mutex_Unlock pthread_mutex_unlock
# define Mutex_Destroy pthread_mutex_destroy
# define Thread pthread_t
# define Thread_Create(_t,_f,_d) pthread_create((_t), NULL, (_f), (_d))
# define Thread_Join(_n) pthread_join((_n), NULL)
#else
# define Mutex CRITICAL_SECTION
# define Mutex_Init InitializeCriticalSection
# define Mutex_Lock EnterCriticalSection
# define Mutex_Unlock LeaveCriticalSection
# define Mutex_Destroy DeleteCriticalSection
# define Thread HANDLE
# define Thread_Join(_n) WaitForSingleObject ((_n), INFINITE)
# define strdup _strdup
#endif
#if !defined(Memory_Barrier)
# ifdef _MSC_VER
# define Memory_Barrier MemoryBarrier
# else
# define Memory_Barrier __sync_synchronize
# endif
#endif
#if !defined(AtomicInt_DecrementAndTest)
# if defined(__GNUC__)
# define AtomicInt_DecrementAndTest(p) (__sync_sub_and_fetch(p, 1) == 0)
# elif defined(_MSC_VER)
# define AtomicInt_DecrementAndTest(p) (InterlockedDecrement(p) == 0)
# endif
#endif
#if defined(_MSC_VER)
struct timespec
{
time_t tv_sec;
long tv_nsec;
};
#endif
#if defined(_WIN32)
static int
Thread_Create (Thread *thread,
void *(*cb)(void *),
void *arg)
{
*thread = CreateThread (NULL, 0, (void *)cb, arg, 0, NULL);
return 0;
}
#endif
#if defined(_WIN32) && !defined(BSON_HAVE_SNPRINTF)
static int
snprintf (char *str,
size_t size,
const char *format,
...)
{
int r = -1;
va_list ap;
va_start (ap, format);
if (size != 0) {
r = _vsnprintf_s (str, size, _TRUNCATE, format, ap);
}
if (r == -1) {
r = _vscprintf (format, ap);
}
va_end (ap);
return r;
}
#endif
void
_Clock_GetMonotonic (struct timespec *ts) /* OUT */
{
#if defined(BSON_HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
clock_gettime (CLOCK_MONOTONIC, ts);
#elif defined(__APPLE__)
static mach_timebase_info_data_t info = { 0 };
static double ratio;
uint64_t atime;
if (!info.denom) {
mach_timebase_info(&info);
ratio = info.numer / info.denom;
}
atime = mach_absolute_time() * ratio;
ts->tv_sec = atime * 1e-9;
ts->tv_nsec = atime - (ts->tv_sec * 1e9);
#elif defined(_WIN32)
ULONGLONG ticks = GetTickCount64 ();
ts->tv_sec = ticks / NANOSEC_PER_SEC;
ts->tv_nsec = ticks % NANOSEC_PER_SEC;
#else
# warning "Monotonic clock is not yet supported on your platform."
#endif
}
void
_Clock_Subtract (struct timespec *ts, /* OUT */
struct timespec *x, /* IN */
struct timespec *y) /* IN */
{
struct timespec r;
ASSERT (x);
ASSERT (y);
r.tv_sec = (x->tv_sec - y->tv_sec);
if ((r.tv_nsec = (x->tv_nsec - y->tv_nsec)) < 0) {
r.tv_nsec += NANOSEC_PER_SEC;
r.tv_sec -= 1;
}
*ts = r;
}
static void
TestSuite_SeedRand (TestSuite *suite, /* IN */
Test *test) /* IN */
{
#ifndef BSON_OS_WIN32
int fd = open ("/dev/urandom", O_RDONLY);
int n_read;
unsigned seed;
if (fd != -1) {
n_read = read (fd, &seed, 4);
assert (n_read == 4);
close (fd);
test->seed = seed;
return;
} else {
test->seed = (unsigned)time (NULL) * (unsigned)getpid ();
}
#else
test->seed = (unsigned)time (NULL);
#endif
}
void
TestSuite_Init (TestSuite *suite,
const char *name,
int argc,
char **argv)
{
const char *filename;
int i;
memset (suite, 0, sizeof *suite);
suite->name = strdup (name);
suite->flags = 0;
suite->prgname = strdup (argv [0]);
for (i = 0; i < argc; i++) {
if (0 == strcmp ("-v", argv [i])) {
suite->flags |= TEST_VERBOSE;
} else if (0 == strcmp ("-f", argv [i])) {
suite->flags |= TEST_NOFORK;
} else if (0 == strcmp ("-p", argv [i])) {
suite->flags |= TEST_NOTHREADS;
} else if (0 == strcmp ("-F", argv [i])) {
if (argc - 1 == i) {
fprintf (stderr, "-F requires a filename argument.\n");
exit (EXIT_FAILURE);
}
filename = argv [++i];
if (0 != strcmp ("-", filename)) {
#ifdef _WIN32
if (0 != fopen_s (&suite->outfile, filename, "w")) {
suite->outfile = NULL;
}
#else
suite->outfile = fopen (filename, "w");
#endif
if (!suite->outfile) {
fprintf (stderr, "Failed to open log file: %s\n", filename);
}
}
} else if ((0 == strcmp ("-h", argv [i])) ||
(0 == strcmp ("--help", argv [i]))) {
suite->flags |= TEST_HELPONLY;
} else if ((0 == strcmp ("-l", argv [i]))) {
if (argc - 1 == i) {
fprintf (stderr, "-l requires an argument.\n");
exit (EXIT_FAILURE);
}
suite->testname = strdup (argv [++i]);
}
}
}
static int
TestSuite_CheckDummy (void)
{
return 1;
}
void
TestSuite_Add (TestSuite *suite, /* IN */
const char *name, /* IN */
TestFunc func) /* IN */
{
TestSuite_AddFull (suite, name, func, TestSuite_CheckDummy);
}
void
TestSuite_AddFull (TestSuite *suite, /* IN */
const char *name, /* IN */
TestFunc func, /* IN */
int (*check) (void)) /* IN */
{
Test *test;
Test *iter;
test = calloc (1, sizeof *test);
test->name = strdup (name);
test->func = func;
test->check = check;
test->next = NULL;
TestSuite_SeedRand (suite, test);
if (!suite->tests) {
suite->tests = test;
return;
}
for (iter = suite->tests; iter->next; iter = iter->next) { }
iter->next = test;
}
#if !defined(_WIN32)
static int
TestSuite_RunFuncInChild (TestSuite *suite, /* IN */
Test *test) /* IN */
{
pid_t child;
int exit_code = -1;
int fd;
if (suite->outfile) {
fflush (suite->outfile);
}
if (-1 == (child = fork())) {
return -1;
}
if (!child) {
if (suite->outfile) {
fclose (suite->outfile);
suite->outfile = NULL;
}
fd = open ("/dev/null", O_WRONLY);
dup2 (fd, STDOUT_FILENO);
close (fd);
srand (test->seed);
test->func ();
exit (0);
}
if (-1 == waitpid (child, &exit_code, 0)) {
perror ("waitpid()");
}
return exit_code;
}
#endif
static void
TestSuite_RunTest (TestSuite *suite, /* IN */
Test *test, /* IN */
Mutex *mutex, /* IN */
int *count) /* INOUT */
{
struct timespec ts1;
struct timespec ts2;
struct timespec ts3;
char name[64];
char buf[256];
int status;
snprintf (name, sizeof name, "%s%s", suite->name, test->name);
name [sizeof name - 1] = '\0';
if (!test->check || test->check ()) {
_Clock_GetMonotonic (&ts1);
/*
* TODO: If not verbose, close()/dup(/dev/null) for stdout.
*/
#if defined(_WIN32)
srand (test->seed);
test->func ();
status = 0;
#else
if ((suite->flags & TEST_NOFORK)) {
srand (test->seed);
test->func ();
status = 0;
} else {
status = TestSuite_RunFuncInChild (suite, test);
}
#endif
_Clock_GetMonotonic (&ts2);
_Clock_Subtract (&ts3, &ts2, &ts1);
Mutex_Lock (mutex);
snprintf (buf, sizeof buf,
" { \"status\": \"%s\", "
"\"name\": \"%s\", "
"\"seed\": \"%u\", "
"\"elapsed\": %u.%09u }%s\n",
(status == 0) ? "PASS" : "FAIL",
name,
test->seed,
(unsigned)ts3.tv_sec,
(unsigned)ts3.tv_nsec,
((*count) == 1) ? "" : ",");
buf [sizeof buf - 1] = 0;
fprintf (stdout, "%s", buf);
if (suite->outfile) {
fprintf (suite->outfile, "%s", buf);
fflush (suite->outfile);
}
Mutex_Unlock (mutex);
} else {
Mutex_Lock (mutex);
snprintf (buf, sizeof buf,
" { \"status\": \"SKIP\", \"name\": \"%s\" },\n",
test->name);
buf [sizeof buf - 1] = '\0';
fprintf (stdout, "%s", buf);
if (suite->outfile) {
fprintf (suite->outfile, "%s", buf);
fflush (suite->outfile);
}
Mutex_Unlock (mutex);
}
}
static void
TestSuite_PrintHelp (TestSuite *suite, /* IN */
FILE *stream) /* IN */
{
Test *iter;
fprintf (stream,
"usage: %s [OPTIONS]\n"
"\n"
"Options:\n"
" -h, --help Show this help menu.\n"
" -f Do not fork() before running tests.\n"
" -l NAME Run test by name.\n"
" -p Do not run tests in parallel.\n"
" -v Be verbose with logs.\n"
"\n"
"Tests:\n",
suite->prgname);
for (iter = suite->tests; iter; iter = iter->next) {
fprintf (stream, " %s%s\n", suite->name, iter->name);
}
fprintf (stream, "\n");
}
static void
TestSuite_PrintJsonHeader (TestSuite *suite, /* IN */
FILE *stream) /* IN */
{
#ifdef _WIN32
# define INFO_BUFFER_SIZE 32767
SYSTEM_INFO si;
DWORD version = 0;
DWORD major_version = 0;
DWORD minor_version = 0;
DWORD build = 0;
GetSystemInfo(&si);
version = GetVersion();
major_version = (DWORD)(LOBYTE(LOWORD(version)));
minor_version = (DWORD)(HIBYTE(LOWORD(version)));
if (version < 0x80000000) {
build = (DWORD)(HIWORD(version));
}
fprintf (stream,
"{\n"
" \"host\": {\n"
" \"sysname\": \"Windows\",\n"
" \"release\": \"%ld.%ld (%ld)\",\n"
" \"machine\": \"%ld\",\n"
" \"memory\": {\n"
" \"pagesize\": %ld,\n"
" \"npages\": %d\n"
" }\n"
" },\n"
" \"options\": {\n"
" \"parallel\": \"%s\",\n"
" \"fork\": \"%s\"\n"
" },\n"
" \"tests\": [\n",
major_version, minor_version, build,
si.dwProcessorType,
si.dwPageSize,
0,
(suite->flags & TEST_NOTHREADS) ? "false" : "true",
(suite->flags & TEST_NOFORK) ? "false" : "true");
#else
struct utsname u;
uint64_t pagesize;
uint64_t npages = 0;
ASSERT (suite);
if (uname (&u) == -1) {
perror ("uname()");
return;
}
pagesize = sysconf (_SC_PAGE_SIZE);
# if defined(_SC_PHYS_PAGES)
npages = sysconf (_SC_PHYS_PAGES);
# endif
fprintf (stream,
"{\n"
" \"host\": {\n"
" \"sysname\": \"%s\",\n"
" \"release\": \"%s\",\n"
" \"machine\": \"%s\",\n"
" \"memory\": {\n"
" \"pagesize\": %"PRIu64",\n"
" \"npages\": %"PRIu64"\n"
" }\n"
" },\n"
" \"options\": {\n"
" \"parallel\": \"%s\",\n"
" \"fork\": \"%s\"\n"
" },\n"
" \"tests\": [\n",
u.sysname,
u.release,
u.machine,
pagesize,
npages,
(suite->flags & TEST_NOTHREADS) ? "false" : "true",
(suite->flags & TEST_NOFORK) ? "false" : "true");
#endif
fflush (stream);
}
static void
TestSuite_PrintJsonFooter (FILE *stream) /* IN */
{
fprintf (stream, " ]\n}\n");
fflush (stream);
}
typedef struct
{
TestSuite *suite;
Test *test;
Mutex *mutex;
int *count;
} ParallelInfo;
static void *
TestSuite_ParallelWorker (void *data) /* IN */
{
ParallelInfo *info = data;
ASSERT (info);
TestSuite_RunTest (info->suite, info->test, info->mutex, info->count);
if (AtomicInt_DecrementAndTest (info->count)) {
TestSuite_PrintJsonFooter (stdout);
if (info->suite->outfile) {
TestSuite_PrintJsonFooter (info->suite->outfile);
}
exit (0);
}
return NULL;
}
static void
TestSuite_RunParallel (TestSuite *suite) /* IN */
{
ParallelInfo *info;
Thread *threads;
Mutex mutex;
Test *test;
int count = 0;
int i;
ASSERT (suite);
Mutex_Init (&mutex);
for (test = suite->tests; test; test = test->next) {
count++;
}
threads = calloc (count, sizeof *threads);
Memory_Barrier ();
for (test = suite->tests, i = 0; test; test = test->next, i++) {
info = calloc (1, sizeof *info);
info->suite = suite;
info->test = test;
info->count = &count;
info->mutex = &mutex;
Thread_Create (&threads [i], TestSuite_ParallelWorker, info);
}
#ifdef _WIN32
Sleep (30000);
#else
sleep (30);
#endif
fprintf (stderr, "Timed out, aborting!\n");
abort ();
}
static void
TestSuite_RunSerial (TestSuite *suite) /* IN */
{
Test *test;
Mutex mutex;
int count = 0;
Mutex_Init (&mutex);
for (test = suite->tests; test; test = test->next) {
count++;
}
for (test = suite->tests; test; test = test->next) {
TestSuite_RunTest (suite, test, &mutex, &count);
count--;
}
TestSuite_PrintJsonFooter (stdout);
if (suite->outfile) {
TestSuite_PrintJsonFooter (suite->outfile);
}
Mutex_Destroy (&mutex);
}
static void
TestSuite_RunNamed (TestSuite *suite, /* IN */
const char *testname) /* IN */
{
Mutex mutex;
char name[128];
Test *test;
int count = 1;
ASSERT (suite);
ASSERT (testname);
Mutex_Init (&mutex);
for (test = suite->tests; test; test = test->next) {
snprintf (name, sizeof name, "%s%s",
suite->name, test->name);
name [sizeof name - 1] = '\0';
if (0 == strcmp (name, testname)) {
TestSuite_RunTest (suite, test, &mutex, &count);
}
}
TestSuite_PrintJsonFooter (stdout);
if (suite->outfile) {
TestSuite_PrintJsonFooter (suite->outfile);
}
Mutex_Destroy (&mutex);
}
int
TestSuite_Run (TestSuite *suite) /* IN */
{
if ((suite->flags & TEST_HELPONLY)) {
TestSuite_PrintHelp (suite, stderr);
return 0;
}
TestSuite_PrintJsonHeader (suite, stdout);
if (suite->outfile) {
TestSuite_PrintJsonHeader (suite, suite->outfile);
}
if (suite->tests) {
if (suite->testname) {
TestSuite_RunNamed (suite, suite->testname);
} else if ((suite->flags & TEST_NOTHREADS)) {
TestSuite_RunSerial (suite);
} else {
TestSuite_RunParallel (suite);
}
} else {
TestSuite_PrintJsonFooter (stdout);
if (suite->outfile) {
TestSuite_PrintJsonFooter (suite->outfile);
}
}
return 0;
}
void
TestSuite_Destroy (TestSuite *suite)
{
Test *test;
Test *tmp;
for (test = suite->tests; test; test = tmp) {
tmp = test->next;
free (test->name);
free (test);
}
if (suite->outfile) {
fclose (suite->outfile);
}
free (suite->name);
free (suite->prgname);
free (suite->testname);
}