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#include "testing.h"
#include "multiprocessing.h"
#include <pthread.h>
static struct MultiProcessingPool *pool;
char *commands[] = {
"sleep 1; true",
"sleep 2; uname -a",
"sleep 3; /bin/echo hello world",
"sleep 4; true",
"sleep 5; uname -a",
"sleep 6; /bin/echo hello world",
};
void test_mp_pool_init() {
STASIS_ASSERT((pool = mp_pool_init(NULL, "mplogs")) == NULL, "Pool should not be initialized with invalid ident");
STASIS_ASSERT((pool = mp_pool_init("mypool", NULL)) == NULL, "Pool should not be initialized with invalid logname");
STASIS_ASSERT((pool = mp_pool_init(NULL, NULL)) == NULL, "Pool should not be initialized with invalid arguments");
pool = NULL;
STASIS_ASSERT((pool = mp_pool_init("mypool", "mplogs")) != NULL, "Pool initialization failed");
STASIS_ASSERT_FATAL(pool != NULL, "Should not be NULL");
STASIS_ASSERT(pool->num_alloc == MP_POOL_TASK_MAX, "Wrong number of default records");
STASIS_ASSERT(pool->num_used == 0, "Wrong number of used records");
STASIS_ASSERT(strcmp(pool->log_root, "mplogs") == 0, "Wrong log root directory");
STASIS_ASSERT(strcmp(pool->ident, "mypool") == 0, "Wrong identity");
int data_bad_total = 0;
for (size_t i = 0; i < pool->num_alloc; i++) {
int data_bad = 0;
struct MultiProcessingTask *task = &pool->task[i];
data_bad += task->status == 0 ? 0 : 1;
data_bad += task->pid == 0 ? 0 : 1;
data_bad += task->parent_pid == 0 ? 0 : 1;
data_bad += task->signaled_by == 0 ? 0 : 1;
data_bad += task->time_data.t_start.tv_nsec == 0 ? 0 : 1;
data_bad += task->time_data.t_start.tv_sec == 0 ? 0 : 1;
data_bad += task->time_data.t_stop.tv_nsec == 0 ? 0 : 1;
data_bad += task->time_data.t_stop.tv_sec == 0 ? 0 : 1;
data_bad += (int) strlen(task->ident) == 0 ? 0 : 1;
data_bad += (int) strlen(task->parent_script) == 0 ? 0 : 1;
if (data_bad) {
SYSERROR("%s.task[%zu] has garbage values!", pool->ident, i);
SYSERROR(" ident: %s", task->ident);
SYSERROR(" status: %d", task->status);
SYSERROR(" pid: %d", task->pid);
SYSERROR(" parent_pid: %d", task->parent_pid);
SYSERROR(" signaled_by: %d", task->signaled_by);
SYSERROR(" t_start.tv_nsec: %ld", task->time_data.t_start.tv_nsec);
SYSERROR(" t_start.tv_sec: %ld", task->time_data.t_start.tv_sec);
SYSERROR(" t_stop.tv_nsec: %ld", task->time_data.t_stop.tv_nsec);
SYSERROR(" t_stop.tv_sec: %ld", task->time_data.t_stop.tv_sec);
data_bad_total++;
}
}
STASIS_ASSERT(data_bad_total == 0, "Task array is not pristine");
mp_pool_free(&pool);
}
void test_mp_task() {
pool = mp_pool_init("mypool", "mplogs");
if (pool) {
pool->status_interval = 3;
for (size_t i = 0; i < sizeof(commands) / sizeof(*commands); i++) {
struct MultiProcessingTask *task;
char task_name[100] = {0};
sprintf(task_name, "mytask%zu", i);
STASIS_ASSERT_FATAL((task = mp_pool_task(pool, task_name, NULL, commands[i])) != NULL, "Task should not be NULL");
STASIS_ASSERT(task->pid == MP_POOL_PID_UNUSED, "PID should be non-zero at this point");
STASIS_ASSERT(task->parent_pid == MP_POOL_PID_UNUSED, "Parent PID should be non-zero");
STASIS_ASSERT(task->status == -1, "Status should be -1 (not started yet)");
STASIS_ASSERT(strcmp(task->ident, task_name) == 0, "Wrong task identity");
STASIS_ASSERT(strstr(task->log_file, pool->log_root) != NULL, "Log file path must be in log_root");
}
}
}
void test_mp_pool_join() {
STASIS_ASSERT(mp_pool_join(pool, get_cpu_count(), 0) == 0, "Pool tasks should have not have failed");
for (size_t i = 0; i < pool->num_used; i++) {
struct MultiProcessingTask *task = &pool->task[i];
STASIS_ASSERT(task->pid == MP_POOL_PID_UNUSED, "Task should be marked as unused");
STASIS_ASSERT(task->status == 0, "Task status should be zero (success)");
}
}
void test_mp_pool_free() {
mp_pool_free(&pool);
STASIS_ASSERT(pool == NULL, "Should be NULL");
}
void test_mp_pool_workflow() {
struct testcase {
const char *input_cmd;
int input_join_flags;
int expected_result;
int expected_status;
int expected_signal;
};
struct testcase tc[] = {
{.input_cmd = "true && kill $$", .input_join_flags = 0, .expected_result = 1, .expected_status = 0, .expected_signal = SIGTERM},
{.input_cmd = "false || kill $$", .input_join_flags = 0, .expected_result = 1, .expected_status = 0, .expected_signal = SIGTERM},
{.input_cmd = "true", .input_join_flags = 0,.expected_result = 0, .expected_status = 0, .expected_signal = 0},
{.input_cmd = "false", .input_join_flags = 0, .expected_result = 1, .expected_status = 1, .expected_signal = 0},
};
for (size_t i = 0; i < sizeof(tc) / sizeof(*tc); i++) {
struct testcase *test = &tc[i];
struct MultiProcessingPool *p;
struct MultiProcessingTask *task;
STASIS_ASSERT((p = mp_pool_init("workflow", "mplogs")) != NULL, "Failed to initialize pool");
STASIS_ASSERT((task = mp_pool_task(p, "task", NULL, (char *) test->input_cmd)) != NULL, "Failed to queue task");
STASIS_ASSERT(mp_pool_join(p, get_cpu_count(), test->input_join_flags) == test->expected_result, "Unexpected result");
STASIS_ASSERT(task->status == test->expected_status, "Unexpected status");
STASIS_ASSERT(task->signaled_by == test->expected_signal, "Unexpected signal");
STASIS_ASSERT(task->pid == MP_POOL_PID_UNUSED, "Unexpected PID. Should be marked UNUSED.");
mp_pool_show_summary(p);
mp_pool_free(&p);
}
}
void test_mp_fail_fast() {
char *commands_ff[128] = {
"sleep 1; true",
"sleep 3; true",
"sleep 5; false",
};
// Pad the array with tasks. None of these should execute when
// the "fail fast" conditions are met
char *nopcmd = "sleep 30; true";
for (size_t i = 3; i < sizeof(commands_ff) / sizeof(*commands_ff); i++) {
commands_ff[i] = nopcmd;
}
struct MultiProcessingPool *p;
STASIS_ASSERT((p = mp_pool_init("failfast", "failfastlogs")) != NULL, "Failed to initialize pool");
for (size_t i = 0; i < sizeof(commands_ff) / sizeof(*commands_ff); i++) {
char *command = commands_ff[i];
char taskname[100] = {0};
snprintf(taskname, sizeof(taskname) - 1, "task_%03zu", i);
STASIS_ASSERT(mp_pool_task(p, taskname, NULL, (char *) command) != NULL, "Failed to queue task");
}
STASIS_ASSERT(mp_pool_join(p, get_cpu_count(), MP_POOL_FAIL_FAST) < 0, "Unexpected result");
struct result {
int total_signaled;
int total_status_fail;
int total_status_success;
int total_unused;
} result = {
.total_signaled = 0,
.total_status_fail = 0,
.total_status_success = 0,
.total_unused = 0,
};
for (size_t i = 0; i < p->num_used; i++) {
struct MultiProcessingTask *task = &p->task[i];
if (task->signaled_by) result.total_signaled++;
if (task->status > 0) result.total_status_fail++;
if (task->status == 0) result.total_status_success++;
if (task->pid == MP_POOL_PID_UNUSED && task->status == MP_POOL_TASK_STATUS_INITIAL) result.total_unused++;
}
fprintf(stderr, "total_status_fail = %d\ntotal_status_success = %d\ntotal_signaled = %d\ntotal_unused = %d\n",
result.total_status_fail, result.total_status_success, result.total_signaled, result.total_unused);
STASIS_ASSERT(result.total_status_fail, "Should have failures");
STASIS_ASSERT(result.total_status_success, "Should have successes");
STASIS_ASSERT(result.total_signaled, "Should have signaled PIDs");
STASIS_ASSERT(result.total_unused, "Should have PIDs marked UNUSED.");
mp_pool_show_summary(p);
mp_pool_free(&p);
}
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
static void *pool_container(void *data) {
char *commands_sc[] = {
"sleep 10; echo done sleeping"
};
struct MultiProcessingPool **x = (struct MultiProcessingPool **) data;
struct MultiProcessingPool *p = (*x);
pthread_mutex_lock(&mutex);
mp_pool_task(p, "stop_resume_test", NULL, commands_sc[0]);
mp_pool_join(p, 1, 0);
mp_pool_show_summary(p);
mp_pool_free(&p);
pthread_mutex_unlock(&mutex);
return NULL;
}
void test_mp_stop_continue() {
struct MultiProcessingPool *p = NULL;
STASIS_ASSERT((p = mp_pool_init("stopcontinue", "stopcontinuelogs")) != NULL, "Failed to initialize pool");
pthread_t th;
pthread_create(&th, NULL, pool_container, &p);
sleep(2);
if (p->task[0].pid != MP_POOL_PID_UNUSED) {
STASIS_ASSERT(kill(p->task[0].pid, SIGSTOP) == 0, "SIGSTOP failed");
sleep(2);
STASIS_ASSERT(kill(p->task[0].pid, SIGCONT) == 0, "SIGCONT failed");
} else {
STASIS_ASSERT(false, "Task was marked as unused when it shouldn't have been");
}
pthread_join(th, NULL);
}
int main(int argc, char *argv[]) {
STASIS_TEST_BEGIN_MAIN();
STASIS_TEST_FUNC *tests[] = {
test_mp_pool_init,
test_mp_task,
test_mp_pool_join,
test_mp_pool_free,
test_mp_pool_workflow,
test_mp_fail_fast,
test_mp_stop_continue
};
STASIS_TEST_RUN(tests);
STASIS_TEST_END_MAIN();
}
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