snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

web/tests/conversation_participants.test.cjs

@@ -0,0 +1,62 @@
+"use strict";
+
+const assert = require("node:assert/strict");
+
+const _ = require("lodash");
+
+const {make_user, make_bot} = require("./lib/example_user.cjs");
+const {zrequire} = require("./lib/namespace.cjs");
+const {run_test} = require("./lib/test.cjs");
+
+const people = zrequire("people");
+const {ConversationParticipants} = zrequire("../src/conversation_participants.ts");
+
+const user1 = make_user();
+const user2 = make_user();
+const bot1 = make_bot();
+const bot2 = make_bot();
+
+people._add_user(user1);
+people._add_user(user2);
+people._add_user(bot1);
+people._add_user(bot2);
+
+const human_messages = [
+    {
+        id: 1,
+        sender_id: user1.user_id,
+        sent_by_me: true,
+    },
+    {
+        id: 2,
+        sender_id: user2.user_id,
+        sent_by_me: false,
+    },
+];
+
+const bot_messages = [
+    {
+        id: 4,
+        sender_id: bot1.user_id,
+        sent_by_me: false,
+    },
+    {
+        id: 5,
+        sender_id: bot2.user_id,
+        sent_by_me: false,
+    },
+];
+
+const all_messages = [...human_messages, ...bot_messages];
+
+run_test("Add participants", () => {
+    const participants = new ConversationParticipants(all_messages);
+    assert.ok(_.isEqual(participants.humans, new Set([user1.user_id, user2.user_id])));
+    assert.ok(_.isEqual(participants.bots, new Set([bot1.user_id, bot2.user_id])));
+    // None since they were not added as active users.
+    assert.equal(participants.visible().size, 0);
+
+    // Add user1 as active user.
+    people.add_active_user(user1);
+    assert.ok(_.isEqual(participants.visible(), new Set([user1.user_id])));
+});