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

web/tests/direct_message_group_data.test.cjs

@@ -0,0 +1,88 @@
+"use strict";
+
+const assert = require("node:assert/strict");
+
+const {make_user} = require("./lib/example_user.cjs");
+const {zrequire} = require("./lib/namespace.cjs");
+const {run_test} = require("./lib/test.cjs");
+
+const direct_message_group_data = zrequire("direct_message_group_data");
+const people = zrequire("people");
+
+function create_user(info) {
+    const user = make_user(info);
+    people.add_active_user(user);
+    return user;
+}
+
+const me = create_user({
+    email: "me@zulip.com",
+    user_id: 999,
+    full_name: "Me Myself",
+});
+
+const alice = create_user({
+    email: "alice@zulip.com",
+    user_id: 1,
+    full_name: "Alice Smith",
+});
+
+const fred = create_user({
+    email: "fred@zulip.com",
+    user_id: 2,
+    full_name: "Fred Flintstone",
+});
+
+const jill = create_user({
+    email: "jill@zulip.com",
+    user_id: 3,
+    full_name: "Jill Hill",
+});
+
+const norbert = create_user({
+    email: "norbert@zulip.com",
+    user_id: 5,
+    full_name: "Norbert Oswald",
+});
+
+people.initialize_current_user(me.user_id);
+
+run_test("direct_message_group_data.process_loaded_messages", () => {
+    const timestamp1 = 1382479029; // older
+    const timestamp2 = 1382479033; // newer
+
+    const old_timestamp = 1382479000;
+
+    const messages = [
+        {
+            type: "private",
+            display_recipient: [{id: jill.user_id}, {id: norbert.user_id}],
+            timestamp: timestamp1,
+        },
+        {
+            type: "stream",
+        },
+        // direct message to myself
+        {
+            type: "private",
+            display_recipient: [{id: me.user_id}],
+        },
+        {
+            type: "private",
+            display_recipient: [{id: alice.user_id}, {id: fred.user_id}],
+            timestamp: timestamp2,
+        },
+        {
+            type: "private",
+            display_recipient: [{id: fred.user_id}, {id: alice.user_id}],
+            timestamp: old_timestamp,
+        },
+    ];
+
+    direct_message_group_data.process_loaded_messages(messages);
+
+    assert.deepEqual(direct_message_group_data.get_direct_message_groups(), [
+        `${alice.user_id},${fred.user_id}`,
+        `${jill.user_id},${norbert.user_id}`,
+    ]);
+});