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

apps/web/test/unit-tests/components/views/dialogs/UploadConfirmDialog-test.tsx

@@ -0,0 +1,27 @@
+/*
+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 { secureRandomString } from "matrix-js-sdk/src/randomstring";
+
+import UploadConfirmDialog from "../../../../../src/components/views/dialogs/UploadConfirmDialog.tsx";
+
+describe("<UploadConfirmDialog />", () => {
+    it("should display image preview", () => {
+        const url = "blob:null/1234-5678-9101-1121";
+        jest.spyOn(URL, "createObjectURL").mockReturnValue(url);
+
+        const file = new File([secureRandomString(1024 * 124)], "image.png", { type: "image/png" });
+        const { asFragment, getByRole } = render(
+            <UploadConfirmDialog file={file} currentIndex={0} totalFiles={1} onFinished={jest.fn()} />,
+        );
+
+        expect(getByRole("img")).toHaveAttribute("src", url);
+        expect(asFragment()).toMatchSnapshot();
+    });
+});