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

apps/web/test/unit-tests/components/views/voip/DialPad-test.tsx

@@ -0,0 +1,56 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2023 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 DialPad, { BUTTONS, BUTTON_LETTERS } from "../../../../../src/components/views/voip/DialPad";
+
+it("when hasDial is true, displays all expected numbers and letters", () => {
+    render(<DialPad onDigitPress={jest.fn()} hasDial={true} onDialPress={jest.fn()} />);
+
+    // check that we have the expected number of buttons + 1 for the dial button
+    expect(screen.getAllByRole("button")).toHaveLength(BUTTONS.length + 1);
+
+    // BUTTONS represents the numbers and symbols
+    BUTTONS.forEach((button) => {
+        expect(screen.getByText(button)).toBeInTheDocument();
+    });
+
+    // BUTTON_LETTERS represents the `ABC` type strings you see on the keypad, but also contains
+    // some empty strings, so we filter them out prior to tests
+    BUTTON_LETTERS.filter(Boolean).forEach((letterSet) => {
+        expect(screen.getByText(letterSet)).toBeInTheDocument();
+    });
+
+    // check for the dial button
+    expect(screen.getByRole("button", { name: "Dial" })).toBeInTheDocument();
+});
+
+it("clicking a digit button calls the correct function", async () => {
+    const mockOnDigitPress = jest.fn();
+    render(<DialPad onDigitPress={mockOnDigitPress} hasDial={true} onDialPress={jest.fn()} />);
+
+    // click the `1` button
+    const buttonText = "1";
+    await userEvent.click(screen.getByText(buttonText, { exact: false }));
+    expect(mockOnDigitPress).toHaveBeenCalledTimes(1);
+    expect(mockOnDigitPress.mock.calls[0][0]).toBe(buttonText);
+});
+
+it("clicking the dial button calls the correct function", async () => {
+    const mockOnDial = jest.fn();
+    render(<DialPad onDigitPress={jest.fn()} hasDial={true} onDialPress={mockOnDial} />);
+
+    // click the `1` button
+    const buttonText = "Dial";
+    await userEvent.click(screen.getByRole("button", { name: buttonText }));
+    expect(mockOnDial).toHaveBeenCalledTimes(1);
+    expect(mockOnDial).toHaveBeenCalledWith(); // represents no arguments in the call
+});