Add test_multiprocessing.c

1 files changed, 73 insertions, 0 deletions

diff --git a/tests/test_multiprocessing.c b/tests/test_multiprocessing.c
new file mode 100644
index 0000000..3d1d972
--- /dev/null
+++ b/tests/test_multiprocessing.c
@@ -0,0 +1,73 @@
+#include "testing.h"
+
+static struct MultiProcessingPool *pool;
+char *commands[] = {
+        "true",
+        "uname -a",
+        "/bin/echo hello world",
+};
+
+void test_mp_pool_init() {
+    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 = 0;
+    char *data = calloc(pool->num_alloc, sizeof(*pool->task));
+    for (size_t i = 0; i < pool->num_alloc * sizeof(*pool->task); i++) {
+        if (data[i] != 0) {
+            data_bad = 1;
+            break;
+        }
+    }
+    free(data);
+    STASIS_ASSERT(data_bad == 0, "Task array should be zeroed");
+    mp_pool_free(&pool);
+}
+
+void test_mp_task() {
+    pool = mp_pool_init("mypool", "mplogs");
+
+    if (pool) {
+        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_task(pool, task_name, commands[i])) != NULL, "Task should not be NULL");
+            STASIS_ASSERT(task->pid != 0, "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 == 0, "Status should be zero");
+            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");
+            STASIS_ASSERT(task->gate != NULL, "Semaphore should be initialized");
+        }
+    }
+}
+
+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 should have succeeded");
+    }
+}
+
+void test_mp_pool_free() {
+    mp_pool_free(&pool);
+    STASIS_ASSERT(pool == NULL, "Should be 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,
+    };
+    STASIS_TEST_RUN(tests);
+    STASIS_TEST_END_MAIN();
+}
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