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

apps/web/test/unit-tests/modules/BuiltinsApi-test.tsx

@@ -0,0 +1,69 @@
+/*
+Copyright 2025 Element Creations Ltd.
+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 React from "react";
+import { render } from "jest-matrix-react";
+
+import { ElementWebBuiltinsApi } from "../../../src/modules/BuiltinsApi.tsx";
+import { stubClient } from "../../test-utils/test-utils";
+
+const Avatar: React.FC<{ room: { roomId: string }; size: string }> = ({ room, size }) => {
+    return (
+        <div>
+            Avatar, {room.roomId}, {size}
+        </div>
+    );
+};
+
+describe("ElementWebBuiltinsApi", () => {
+    it("returns the RoomView component thats been set", () => {
+        const builtinsApi = new ElementWebBuiltinsApi();
+        const sentinel = {};
+        builtinsApi.setComponents({ roomView: sentinel, roomAvatar: Avatar } as any);
+        expect(builtinsApi.getRoomViewComponent()).toBe(sentinel);
+    });
+
+    it("returns rendered RoomView component", () => {
+        const builtinsApi = new ElementWebBuiltinsApi();
+        const RoomView = () => <div>hello world</div>;
+        builtinsApi.setComponents({ roomView: RoomView, roomAvatar: Avatar } as any);
+        const { container } = render(<> {builtinsApi.renderRoomView("!foo:m.org")}</>);
+        expect(container).toHaveTextContent("hello world");
+    });
+
+    it("returns rendered RoomAvatar component", () => {
+        stubClient();
+        const builtinsApi = new ElementWebBuiltinsApi();
+        builtinsApi.setComponents({ roomView: {}, roomAvatar: Avatar } as any);
+        const { container } = render(<> {builtinsApi.renderRoomAvatar("!foo:m.org", "50")}</>);
+        expect(container).toHaveTextContent("Avatar");
+        expect(container).toHaveTextContent("!foo:m.org");
+        expect(container).toHaveTextContent("50");
+    });
+
+    it("returns rendered NotificationDecoration component", () => {
+        stubClient();
+        const builtinsApi = new ElementWebBuiltinsApi();
+        const NotificationDecoration = () => <div>notification decoration</div>;
+        builtinsApi.setComponents({
+            roomView: {},
+            roomAvatar: Avatar,
+            notificationDecoration: NotificationDecoration,
+        } as any);
+        const { container } = render(<> {builtinsApi.renderNotificationDecoration("!foo:m.org")}</>);
+        expect(container).toHaveTextContent("notification decoration");
+    });
+
+    it("should throw error if called before components are set", () => {
+        stubClient();
+        const builtinsApi = new ElementWebBuiltinsApi();
+        expect(() => builtinsApi.renderRoomAvatar("!foo:m.org")).toThrow("No RoomAvatar component has been set");
+        expect(() => builtinsApi.renderRoomView("!foo:m.org")).toThrow("No RoomView component has been set");
+        expect(() => builtinsApi.renderNotificationDecoration("!foo:m.org")).toThrow(
+            "No NotificationDecoration component has been set",
+        );
+    });
+});