From 0f14abd6c84fdac2a5a193dfd0899ebac1f8cc07 Mon Sep 17 00:00:00 2001
From: evgeny <evgeny@adaptto.ru>
Date: Wed, 7 Oct 2026 08:12:32 +0200
Subject: [PATCH] Test single reaction replacement, cancellation and
 multi-emoji rejection

---
 tests/test_chat_feedback.c |  7 ++++++-
 tests/test_chat_poll.c     | 21 ++++++++++++++++++---
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/tests/test_chat_feedback.c b/tests/test_chat_feedback.c
index 464bb94f..48557043 100644
--- a/tests/test_chat_feedback.c
+++ b/tests/test_chat_feedback.c
@@ -110,9 +110,14 @@ int main(int argc, char** argv) {
     puts("PASS: message identity is deterministic and binds channel, timestamp and signature");
 
     uint64_t ver; struct chat_feedback_record first, second, cancelled, actual;
-    uint8_t a[] = {1, 0}, b[] = {2, 0, 1}, answer_data[] = {1, 0, 0, 0};
+    uint8_t a[] = {1, 0}, b[] = {1, 1}, answer_data[] = {1, 0, 0, 0};
     assert(chat_feedback_set(&source, "1001", message, CHAT_FEEDBACK_REACTION, a, sizeof(a), &ver) == 1 && ver == 1);
     assert(chat_feedback_get(&source, "1001", message, source.node_id, CHAT_FEEDBACK_REACTION, &first) == 1);
+    uint8_t invalid_multi[] = {2, 0, 1};
+    assert(chat_feedback_set(&source, "1001", message, CHAT_FEEDBACK_REACTION, invalid_multi, sizeof(invalid_multi), NULL) < 0);
+    struct chat_feedback_record invalid = first; invalid.ver++; invalid.data_len = sizeof(invalid_multi);
+    memcpy(invalid.data, invalid_multi, sizeof(invalid_multi));
+    assert(chat_feedback_apply(&target, "1001", &invalid) < 0);
     int saved_events = events;
     assert(chat_feedback_set(&source, "1001", message, CHAT_FEEDBACK_REACTION, a, sizeof(a), &ver) == 0 && ver == 1);
     assert(events == saved_events);
diff --git a/tests/test_chat_poll.c b/tests/test_chat_poll.c
index c0a7c267..d1fb838f 100644
--- a/tests/test_chat_poll.c
+++ b/tests/test_chat_poll.c
@@ -48,9 +48,11 @@ static void codecs(void) {
     assert(chat_answer_decode(NULL, 0, &parsed) == 0 && !parsed.count);
     uint8_t empty[] = {0, 0, 0}; assert(chat_answer_decode(empty, sizeof(empty), &parsed) < 0);
     uint8_t ids[] = {5, 0}, read[CHAT_REACTION_SELECTED_MAX]; size_t count;
-    n = chat_reactions_encode(ids, 2, wire, sizeof(wire)); assert(n == 3);
-    assert(chat_reactions_decode(wire, n, read, &count) == 0 && count == 2 && read[0] == 0 && read[1] == 5);
-    wire[2] = 0; assert(chat_reactions_decode(wire, n, read, &count) < 0);
+    assert(chat_reactions_encode(ids, 2, wire, sizeof(wire)) < 0);
+    uint8_t multi[] = {2, 0, 5}; assert(chat_reactions_decode(multi, sizeof(multi), read, &count) < 0);
+    n = chat_reactions_encode(ids, 1, wire, sizeof(wire)); assert(n == 2);
+    assert(chat_reactions_decode(wire, n, read, &count) == 0 && count == 1 && read[0] == 5);
+    wire[1] = CHAT_REACTION_COUNT; assert(chat_reactions_decode(wire, n, read, &count) < 0);
     assert(chat_reactions_encode(NULL, 0, wire, sizeof(wire)) == 0);
     puts("PASS: canonical codecs, truncation, duplicate choices and UTF-8 rejection");
 }
@@ -97,6 +99,19 @@ int main(void) {
     snprintf(request, sizeof(request), "{\"cmd\":\"react\",\"ch\":\"%s\",\"message_id\":\"%s\",\"emoji\":0}", channel, id);
     result = command(inst, request, 0); assert(json_number(db, result, "$.reactions[0].count") == 1); u_free(result);
     result = command(inst, request, 0); assert(json_number(db, result, "$.reaction_ver") == 2); u_free(result);
+    snprintf(request, sizeof(request), "{\"cmd\":\"react\",\"ch\":\"%s\",\"message_id\":\"%s\",\"emoji\":0}", channel, id);
+    result = command(inst, request, 0); assert(json_number(db, result, "$.reactions[0].id") == 0); u_free(result);
+    snprintf(request, sizeof(request), "{\"cmd\":\"react\",\"ch\":\"%s\",\"message_id\":\"%s\",\"emoji\":4}", channel, id);
+    result = command(inst, request, 0);
+    assert(json_number(db, result, "$.reactions[0].id") == 4 && json_number(db, result, "$.reaction_ver") == 4);
+    assert(json_number(db, result, "$.reactions[1].count") == 0); u_free(result);
+    snprintf(request, sizeof(request), "{\"cmd\":\"react\",\"ch\":\"%s\",\"message_id\":\"%s\",\"emoji\":0,\"on\":false}", channel, id);
+    result = command(inst, request, 0);
+    assert(json_number(db, result, "$.reactions[0].id") == 4 && json_number(db, result, "$.reaction_ver") == 4); u_free(result);
+    snprintf(request, sizeof(request), "{\"cmd\":\"react\",\"ch\":\"%s\",\"message_id\":\"%s\",\"emoji\":4}", channel, id);
+    result = command(inst, request, 0); assert(json_number(db, result, "$.reactions[0].count") == 0);
+    assert(json_number(db, result, "$.reaction_ver") == 5); u_free(result);
+    puts("PASS: selecting another emoji replaces the previous one; unselected withdrawal is inert; repeat click cancels");
     snprintf(request, sizeof(request),
         "{\"cmd\":\"poll_create\",\"ch\":\"%s\",\"question\":\"Выбор\",\"mode\":\"multiple\","
         "\"options\":[\"Первый\",\"Второй\"],\"allow_custom_answer\":true}", channel);