Add tests

Author: MidhunSureshR

test/unit-tests/modules/BuiltinsApi-test.ts

@@ -0,0 +1,51 @@
+/*
+Copyright 2025 New Vector 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";
+import { stubClient } from "../../test-utils/test-utils";
+
+jest.mock("../../../src/components/views/avatars/RoomAvatar", () => {
+    const Avatar: React.FC<{ room: { roomId: string }; size: string }> = ({ room, size }) => {
+        return (
+            <div>
+                Avatar, {room.roomId}, {size}
+            </div>
+        );
+    };
+    return {
+        __esModule: true,
+        default: Avatar,
+    };
+});
+
+describe("ElementWebBuiltinsApi", () => {
+    it("returns the RoomView component thats been set", () => {
+        const builtinsApi = new ElementWebBuiltinsApi();
+        const sentinel = {};
+        builtinsApi.setRoomViewComponent(sentinel as any);
+        expect(builtinsApi.getRoomViewComponent()).toBe(sentinel);
+    });
+
+    it("returns rendered RoomView component", () => {
+        const builtinsApi = new ElementWebBuiltinsApi();
+        const RoomView = () => <div>hello world</div>;
+        builtinsApi.setRoomViewComponent(RoomView 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();
+        const { container } = render(<> {builtinsApi.renderRoomAvatar("!foo:m.org", "50")}</>);
+        expect(container).toHaveTextContent("Avatar");
+        expect(container).toHaveTextContent("!foo:m.org");
+        expect(container).toHaveTextContent("50");
+    });
+});