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

apps/web/test/unit-tests/components/views/auth/CountryDropdown-test.tsx

@@ -0,0 +1,75 @@
+/*
+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 { fireEvent, render } from "jest-matrix-react";
+import userEvent from "@testing-library/user-event";
+
+import CountryDropdown from "../../../../../src/components/views/auth/CountryDropdown";
+import SdkConfig from "../../../../../src/SdkConfig";
+
+describe("CountryDropdown", () => {
+    describe("default_country_code", () => {
+        afterEach(() => {
+            SdkConfig.reset();
+        });
+
+        it.each([
+            ["GB", 44],
+            ["IE", 353],
+            ["ES", 34],
+            ["FR", 33],
+            ["PL", 48],
+            ["DE", 49],
+        ])("should respect configured default country code for %s", (config, defaultCountryCode) => {
+            SdkConfig.add({
+                default_country_code: config,
+            });
+
+            const fn = jest.fn();
+            render(<CountryDropdown onOptionChange={fn} isSmall={false} showPrefix={false} />);
+            expect(fn).toHaveBeenCalledWith(expect.objectContaining({ prefix: defaultCountryCode.toString() }));
+        });
+    });
+
+    describe("defaultCountry", () => {
+        it.each([
+            ["en-GB", 44],
+            ["en-ie", 353],
+            ["es-ES", 34],
+            ["fr", 33],
+            ["pl", 48],
+            ["de-DE", 49],
+        ])("should pick appropriate default country for %s", (language, defaultCountryCode) => {
+            Object.defineProperty(navigator, "language", {
+                configurable: true,
+                get() {
+                    return language;
+                },
+            });
+
+            const fn = jest.fn();
+            render(<CountryDropdown onOptionChange={fn} isSmall={false} showPrefix={false} />);
+            expect(fn).toHaveBeenCalledWith(expect.objectContaining({ prefix: defaultCountryCode.toString() }));
+        });
+    });
+
+    it("should allow filtering", async () => {
+        const fn = jest.fn();
+        const { getByRole, findByText } = render(
+            <CountryDropdown onOptionChange={fn} isSmall={false} showPrefix={false} />,
+        );
+
+        const dropdown = getByRole("button");
+        fireEvent.click(dropdown);
+
+        await userEvent.keyboard("Al");
+
+        await expect(findByText("Albania (+355)")).resolves.toBeInTheDocument();
+    });
+});