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

apps/web/test/unit-tests/components/views/elements/DesktopCapturerSourcePicker-test.tsx

@@ -0,0 +1,92 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2024 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 React from "react";
+import { render, screen } from "jest-matrix-react";
+import userEvent from "@testing-library/user-event";
+
+import DesktopCapturerSourcePicker from "../../../../../src/components/views/elements/DesktopCapturerSourcePicker";
+import PlatformPeg from "../../../../../src/PlatformPeg";
+import type BasePlatform from "../../../../../src/BasePlatform";
+
+const SOURCES = [
+    {
+        id: "screen1",
+        name: "Screen 1",
+        thumbnailURL: "data:image/png;base64,",
+    },
+    {
+        id: "window1",
+        name: "Window 1",
+        thumbnailURL: "data:image/png;base64,",
+    },
+];
+
+describe("DesktopCapturerSourcePicker", () => {
+    beforeEach(() => {
+        const plaf = {
+            getDesktopCapturerSources: jest.fn().mockResolvedValue(SOURCES),
+            supportsSetting: jest.fn().mockReturnValue(false),
+        };
+        jest.spyOn(PlatformPeg, "get").mockReturnValue(plaf as unknown as BasePlatform);
+    });
+
+    afterEach(() => {
+        jest.restoreAllMocks();
+    });
+
+    it("should render the component", () => {
+        render(<DesktopCapturerSourcePicker onFinished={() => {}} />);
+        expect(screen.getByRole("button", { name: "Cancel" })).toBeInTheDocument();
+        expect(screen.getByRole("button", { name: "Share" })).toBeInTheDocument();
+    });
+
+    it("should disable share button until a source is selected", () => {
+        render(<DesktopCapturerSourcePicker onFinished={() => {}} />);
+        expect(screen.getByRole("button", { name: "Share" })).toBeDisabled();
+    });
+
+    it("should contain a screen source in the default tab", async () => {
+        render(<DesktopCapturerSourcePicker onFinished={() => {}} />);
+
+        const screen1Button = await screen.findByRole("button", { name: "Screen 1" });
+
+        expect(screen1Button).toBeInTheDocument();
+        expect(screen.queryByRole("button", { name: "Window 1" })).not.toBeInTheDocument();
+    });
+
+    it("should contain a window source in the window tab", async () => {
+        render(<DesktopCapturerSourcePicker onFinished={() => {}} />);
+
+        await userEvent.click(screen.getByRole("tab", { name: "Application window" }));
+
+        const window1Button = await screen.findByRole("button", { name: "Window 1" });
+
+        expect(window1Button).toBeInTheDocument();
+        expect(screen.queryByRole("button", { name: "Screen 1" })).not.toBeInTheDocument();
+    });
+
+    it("should call onFinished with no arguments if cancelled", async () => {
+        const onFinished = jest.fn();
+        render(<DesktopCapturerSourcePicker onFinished={onFinished} />);
+
+        await userEvent.click(screen.getByRole("button", { name: "Cancel" }));
+        expect(onFinished).toHaveBeenCalledWith();
+    });
+
+    it("should call onFinished with the selected source when share clicked", async () => {
+        const onFinished = jest.fn();
+        render(<DesktopCapturerSourcePicker onFinished={onFinished} />);
+
+        const screen1Button = await screen.findByRole("button", { name: "Screen 1" });
+
+        await userEvent.click(screen1Button);
+        await userEvent.click(screen.getByRole("button", { name: "Share" }));
+        expect(onFinished).toHaveBeenCalledWith(SOURCES[0]);
+    });
+});