test(chat): reproduce ready startup after a required subscription fails

tests/Makefile.am

@@ -307,6 +307,7 @@ check_PROGRAMS += test_chat_member
 check_PROGRAMS += test_chat_json
 check_PROGRAMS += test_chat_profile
 check_PROGRAMS += test_chat_preferences
+check_PROGRAMS += test_chat_lifecycle
 check_PROGRAMS += test_instance_contract
 test_instance_contract_SOURCES = test_instance_contract.c
 test_instance_contract_LDADD = $(LIBUTUN) $(COMMON_LIBS)
@@ -341,6 +342,9 @@ test_chat_json_LDFLAGS = -Wl,--wrap=sqlite3_prepare_v2 -Wl,--wrap=sqlite3_bind_t
     -Wl,--wrap=u_realloc_impl -Wl,--wrap=u_calloc_impl
 test_chat_profile_SOURCES = test_chat_profile.c
 test_chat_preferences_SOURCES = test_chat_preferences.c
+test_chat_lifecycle_SOURCES = test_chat_lifecycle.c
+test_chat_lifecycle_LDADD = $(LIBUTUN) $(COMMON_LIBS)
+test_chat_lifecycle_LDFLAGS = -Wl,--wrap=member_sync_add_props_cbk
 test_chat_preferences_LDADD = $(LIBUTUN) $(COMMON_LIBS)
 test_chat_preferences_LDFLAGS = -Wl,--wrap=sqlite3_finalize -Wl,--wrap=sqlite3_prepare_v2 -Wl,--wrap=sqlite3_bind_text \
     -Wl,--wrap=sqlite3_step -Wl,--wrap=sqlite3_changes -Wl,--wrap=sqlite3_exec -Wl,--wrap=sqlite3_column_text \

tests/test_chat_lifecycle.c

@@ -0,0 +1,39 @@
+/* Старт chat_core не должен игнорировать отказ обязательной подписки. */
+#define _GNU_SOURCE
+#include "../src/utun_instance.h"
+#include "../src/chat/chat_core.h"
+#include "../src/chat/chat_event.h"
+#include "../src/chat/member_sync.h"
+#include "../lib/debug_config.h"
+#include "../lib/mem.h"
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+static int fail_props;
+static unsigned ready;
+extern int __real_member_sync_add_props_cbk(struct UTUN_INSTANCE*, node_props_changed_fn, void*);
+int __wrap_member_sync_add_props_cbk(struct UTUN_INSTANCE* inst, node_props_changed_fn callback, void* arg) {
+    if (fail_props) { fail_props = 0; DEBUG_WARN(DEBUG_CATEGORY_CHAT, "lifecycle test: property subscription refused"); return -1; }
+    return __real_member_sync_add_props_cbk(inst, callback, arg);
+}
+static void event(struct UTUN_INSTANCE* inst, int type, const uint8_t* data, int bytes) {
+    (void)inst; (void)data; (void)bytes;
+    if (type == CHAT_EVT_DB_READY || type == CHAT_EVT_MY_NODE_ID) ready++;
+}
+
+int main(void) {
+    debug_config_init(); debug_set_level(DEBUG_LEVEL_ERROR); size_t baseline = u_get_allocated_count();
+    utun_instance_set_tun_init_enabled(0); struct UASYNC* ua = uasync_create(); assert(ua);
+    char directory[] = "/tmp/utun-lifecycle-XXXXXX"; assert(mkdtemp(directory)); char config[512], database[512];
+    snprintf(config, sizeof(config), "[global]\nmy_node_name=lifecycle test\ndb_path=%s\n[ntp]\nenabled=no\n"
+        "[chatserver]\ngroup_autoconnect=0\nstorage_autoload=0\n", directory);
+    struct UTUN_INSTANCE* inst = utun_instance_create_from_str(ua, config); assert(inst && !utun_core_start(inst));
+    chat_event_set_handler(inst, event); snprintf(database, sizeof(database), "%s/chats.db", directory);
+    fail_props = 1; int rc = chat_core_init(inst, database);
+    if (rc >= 0) DEBUG_ERROR(DEBUG_CATEGORY_CHAT, "lifecycle test: startup succeeded after refused properties subscription rc=%d ready=%u", rc, ready);
+    assert(rc < 0 && !fail_props && !ready && !inst->chat_core && inst->core_started);
+    assert(!chat_service_start(inst) && ready == 2); chat_service_stop(inst);
+    utun_instance_destroy(inst); uasync_poll(ua, 0); uasync_destroy(ua, 0); assert(u_get_allocated_count() == baseline);
+    puts("PASS lifecycle:subscription failure aborts startup without ready events;core survives and retry succeeds"); return 0;
+}