feat: show call participants in room list (Discord-style)

apps/web/test/unit-tests/utils/room/getJoinedNonFunctionalMembers-test.ts

@@ -0,0 +1,79 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+import { mocked } from "jest-mock";
+import { type MatrixClient, Room, RoomMember } from "matrix-js-sdk/src/matrix";
+
+import { getFunctionalMembers } from "../../../../src/utils/room/getFunctionalMembers";
+import { getJoinedNonFunctionalMembers } from "../../../../src/utils/room/getJoinedNonFunctionalMembers";
+
+jest.mock("../../../../src/utils/room/getFunctionalMembers", () => ({
+    getFunctionalMembers: jest.fn(),
+}));
+
+describe("getJoinedNonFunctionalMembers", () => {
+    let room: Room;
+    let roomMember1: RoomMember;
+    let roomMember2: RoomMember;
+
+    beforeEach(() => {
+        room = new Room("!room:example.com", {} as unknown as MatrixClient, "@user:example.com");
+        room.getJoinedMembers = jest.fn();
+
+        roomMember1 = new RoomMember(room.roomId, "@user1:example.com");
+        roomMember2 = new RoomMember(room.roomId, "@user2:example.com");
+    });
+
+    describe("if there are no members", () => {
+        beforeEach(() => {
+            mocked(room.getJoinedMembers).mockReturnValue([]);
+            mocked(getFunctionalMembers).mockReturnValue([]);
+        });
+
+        it("should return an empty list", () => {
+            expect(getJoinedNonFunctionalMembers(room)).toHaveLength(0);
+        });
+    });
+
+    describe("if there are only regular room members", () => {
+        beforeEach(() => {
+            mocked(room.getJoinedMembers).mockReturnValue([roomMember1, roomMember2]);
+            mocked(getFunctionalMembers).mockReturnValue([]);
+        });
+
+        it("should return the room members", () => {
+            const members = getJoinedNonFunctionalMembers(room);
+            expect(members).toContain(roomMember1);
+            expect(members).toContain(roomMember2);
+        });
+    });
+
+    describe("if there are only functional room members", () => {
+        beforeEach(() => {
+            mocked(room.getJoinedMembers).mockReturnValue([]);
+            mocked(getFunctionalMembers).mockReturnValue(["@functional:example.com"]);
+        });
+
+        it("should return an empty list", () => {
+            expect(getJoinedNonFunctionalMembers(room)).toHaveLength(0);
+        });
+    });
+
+    describe("if there are some functional room members", () => {
+        beforeEach(() => {
+            mocked(room.getJoinedMembers).mockReturnValue([roomMember1, roomMember2]);
+            mocked(getFunctionalMembers).mockReturnValue([roomMember1.userId]);
+        });
+
+        it("should only return the non-functional members", () => {
+            const members = getJoinedNonFunctionalMembers(room);
+            expect(members).not.toContain(roomMember1);
+            expect(members).toContain(roomMember2);
+        });
+    });
+});