mirror of
https://github.com/vector-im/element-call.git
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Cover the device menu with stories and end-to-end specs
- The stories supply what the app supplies rather than what a harness has lying about: a microphone, and a call-sized root element. - Invented device ids meant the menu asked for hardware that does not exist, so the meter reported no microphone. A tone played into a real MediaStream fixes it, and the meter runs its own analyser over it. - Without a root element the list was bounded by Storybook's whole frame and the menu ran off the canvas; without a call-sized one, four devices scrolled. - Standalone specs: the switch that does not drop the call, the meter alive while muted, the pinned meter, the focus ring. - Component specs: the list sized to the call and not the window, resized while open, every device reachable, and the modality belonging to one call. - A headless browser has one microphone and one speaker, so fake-devices.ts adds synthetic ones. It is explicit that it does not route audio.
This commit is contained in:
fkwp
@@ -0,0 +1,253 @@
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/*
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Copyright 2026 Element Creations Ltd.
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SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE in the repository root for full details.
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*/
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import { expect, test, type Locator, type Page } from "@playwright/test";
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import { SpaHelpers } from "./spa-helpers.ts";
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import { installFakeDevices } from "./utils/fake-devices.ts";
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test.describe("the quick audio menu", () => {
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test("lists speakers and microphones with a live level meter", async ({
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page,
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}) => {
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await installFakeDevices(page, { microphones: 3, speakers: 3 });
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await joinACall(page, "Menu user", "Audio menu");
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await openAudioMenu(page);
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// The speaker list is what the settings modal used to be the only home of.
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await expect(page.getByRole("group", { name: "Speaker" })).toBeVisible();
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await expect(page.getByRole("group", { name: "Microphone" })).toBeVisible();
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// Named rather than counted: the browser contributes its own fake output
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// and a "Default" entry, so a total would be a fact about the browser.
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for (const n of [1, 2, 3])
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await expect(
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page
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.getByRole("group", { name: "Speaker" })
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.getByRole("menuitemradio", { name: `Fake Speaker ${n}` }),
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).toBeVisible();
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// Only one entry of a kind is marked, and the meter reports a number
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// rather than a colour.
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await expect(
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page.getByRole("menuitemradio", { checked: true }),
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).toHaveCount(2);
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const meter = page.getByRole("meter", { name: "Microphone level" });
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await expect(meter).toBeVisible();
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await expect(meter).toHaveAttribute("aria-valuenow", /\d+/);
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await expect(meter).toHaveAttribute("aria-valuetext", /\d+ of \d+/);
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// Both browsers in the matrix can route audio to a chosen output, so the
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// section offers a real choice. The case where a platform cannot — Safari,
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// and anything without setSinkId — is covered by a unit check, since no
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// browser here can reach it.
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await expect(
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page
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.getByRole("group", { name: "Speaker" })
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.getByRole("menuitemradio")
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.first(),
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).toHaveAttribute("aria-disabled", "false");
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});
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test("moves the microphone and the speaker without disturbing the call", async ({
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browser,
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}) => {
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// Two browsers, two joins and a real call between them.
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test.slow();
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const hostContext = await browser.newContext({ reducedMotion: "reduce" });
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const host = await hostContext.newPage();
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await installFakeDevices(host, { microphones: 3, speakers: 3 });
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await joinACall(host, "Host", "Device switch");
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const inviteLink = await SpaHelpers.getCallInviteLink(host);
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const guestContext = await browser.newContext({ reducedMotion: "reduce" });
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const guest = await guestContext.newPage();
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await SpaHelpers.joinCallFromInviteLink(guest, inviteLink, "Guest");
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await SpaHelpers.expectVideoTilesCount(guest, 2);
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await openAudioMenu(host);
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await selectDevice(host, "Microphone", "Fake Microphone 2");
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await openAudioMenu(host);
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await selectDevice(host, "Speaker", "Fake Speaker 2");
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// The point of the criterion: the switch is not a rejoin. Neither side
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// sees the call drop, and the guest still has both tiles — so the host
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// never left and came back.
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await expect(
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host.getByRole("dialog", { name: "Reconnecting…" }),
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).not.toBeVisible();
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await expect(
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guest.getByRole("dialog", { name: "Reconnecting…" }),
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).not.toBeVisible();
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await SpaHelpers.expectVideoTilesCount(guest, 2);
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await expect(guest.getByText("Waiting for media...")).not.toBeVisible();
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await hostContext.close();
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await guestContext.close();
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});
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test("keeps the meter moving while muted, and sends nothing", async ({
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browser,
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}) => {
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// Two browsers, two joins and a real call between them.
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test.slow();
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const hostContext = await browser.newContext({ reducedMotion: "reduce" });
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const host = await hostContext.newPage();
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await installFakeDevices(host);
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await joinACall(host, "Muted host", "Muted meter");
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const inviteLink = await SpaHelpers.getCallInviteLink(host);
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const guestContext = await browser.newContext({ reducedMotion: "reduce" });
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const guest = await guestContext.newPage();
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await SpaHelpers.joinCallFromInviteLink(guest, inviteLink, "Listener");
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await SpaHelpers.expectVideoTilesCount(guest, 2);
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const mute = host.getByTestId("incall_mute");
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await mute.click();
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await expect(mute).toHaveAttribute("aria-checked", "false");
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await openAudioMenu(host);
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// The microphone is held open while muted, so the meter still reports the
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// hardware. The mute control is what says nothing is being transmitted.
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const meter = host.getByRole("meter", { name: "Microphone level" });
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await expect(meter).toBeVisible();
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// Queried by test id, not by role: the menu is modal, so Radix takes the
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// rest of the call out of the accessibility tree while it is open.
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await expect(mute).toHaveAttribute("aria-checked", "false");
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await expect(mute).toBeVisible();
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// And the listener is told so, rather than being left to guess from silence.
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await expect(
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guest.getByTestId("videoTile").filter({ hasText: "Muted host" }),
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).toBeVisible();
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await hostContext.close();
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await guestContext.close();
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});
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test("keeps the meter at the foot of the list while it scrolls", async ({
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page,
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}) => {
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await installFakeDevices(page, { microphones: 20, speakers: 4 });
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await joinACall(page, "Scroller", "Long device list");
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await openAudioMenu(page);
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const meter = page.getByRole("meter", { name: "Microphone level" });
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await expect(meter).toBeVisible();
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// Scrolled so the microphones start at the top of the list and run past its
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// bottom: the position that tells a pinned meter from one that merely
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// happens to be last.
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const list = page.locator("[role='menu'] div[role='none']").first();
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await list.evaluate((element) => {
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const group = element.querySelector("[role='group'][aria-label*='icro']");
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element.scrollTop +=
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group!.getBoundingClientRect().top -
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element.getBoundingClientRect().top;
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});
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await expect(meter).toBeInViewport();
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await expectPinnedInside(meter, list);
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// Every entry stays reachable, which is what the scroll is for.
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await expect(
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page.getByRole("menuitemradio", { name: "Fake Microphone 20" }),
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).toBeVisible();
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});
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test("shows the focus ring only when the keyboard moved the focus", async ({
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page,
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browserName,
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}) => {
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test.skip(
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browserName === "firefox",
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"Headless Firefox does not deliver synthetic key presses reliably; see reconnect.spec.ts",
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);
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await installFakeDevices(page);
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await joinACall(page, "Keyboard user", "Focus ring");
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await openAudioMenu(page);
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const first = page.getByRole("menuitemradio").first();
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// Opened by pointer, so no ring, even though Radix has moved focus into the
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// menu already.
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await expect.poll(async () => outlineWidth(first)).toBe(0);
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await page.keyboard.press("ArrowDown");
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const focused = page.locator("[role='menuitemradio']:focus");
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await expect.poll(async () => outlineWidth(focused)).toBeGreaterThan(0);
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// The pointer takes it away again: the menu focuses whatever it is over, so
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// a ring that followed focus alone would trail the mouse.
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await first.hover();
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await expect.poll(async () => outlineWidth(focused)).toBe(0);
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});
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});
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/** Creates a call and joins it, leaving the page in the call. */
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async function joinACall(
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page: Page,
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userName: string,
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callName: string,
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): Promise<void> {
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await page.goto("/");
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await SpaHelpers.createCall(page, userName, callName, true);
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await expect(page.getByTestId("name_tag")).toContainText(userName);
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// The media controls stay disabled until the devices have enumerated, and
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// every test here drives them.
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await expect(page.getByTestId("incall_mute")).toBeEnabled({
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timeout: 10_000,
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});
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}
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async function openAudioMenu(page: Page): Promise<void> {
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await page.getByRole("button", { name: "Microphone" }).click();
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await expect(page.getByRole("menu")).toBeVisible();
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}
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async function selectDevice(
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page: Page,
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section: "Speaker" | "Microphone",
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name: string,
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): Promise<void> {
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const item = page
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.getByRole("group", { name: section })
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.getByRole("menuitemradio", { name });
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await item.click();
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// Selecting does not close the menu — the component prevents the default so
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// the list survives a mis-click — so it is dismissed explicitly.
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await page.keyboard.press("Escape");
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await expect(page.getByRole("menu")).not.toBeVisible();
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}
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/**
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* Asserts the meter sits within the scrollport, and inside the menu's frame.
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*
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* The meter is the one opaque element in the menu, so it is the one thing that
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* can paint over the border. Whether it actually does needs a screenshot; this
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* pins the geometry that decides it.
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*/
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async function expectPinnedInside(
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meter: Locator,
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list: Locator,
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): Promise<void> {
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const meterBox = (await meter.boundingBox())!;
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const listBox = (await list.boundingBox())!;
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const frame = (await meter.page().getByRole("menu").boundingBox())!;
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expect(meterBox.y + meterBox.height).toBeLessThanOrEqual(
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listBox.y + listBox.height + 1,
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);
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expect(meterBox.y).toBeGreaterThanOrEqual(listBox.y - 1);
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expect(meterBox.x).toBeGreaterThan(frame.x);
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expect(meterBox.x + meterBox.width).toBeLessThan(frame.x + frame.width);
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}
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/** The painted outline width in pixels, however the stylesheet spells it. */
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async function outlineWidth(item: Locator): Promise<number> {
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if ((await item.count()) === 0) return 0;
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return item.first().evaluate((element) => {
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const { outlineStyle, outlineWidth } = getComputedStyle(element);
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return outlineStyle === "none" ? 0 : Number.parseFloat(outlineWidth) || 0;
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});
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}
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@@ -0,0 +1,165 @@
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/*
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Copyright 2026 Element Creations Ltd.
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SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE in the repository root for full details.
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*/
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import { expect, type Locator, type Page, test } from "@playwright/test";
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import { createUserAndRoom, resizeContainer, startHarness } from "./harness.ts";
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import { installFakeDevices } from "../utils/fake-devices.ts";
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/**
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* The device menu where Element Call is a component in a host's page rather
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* than the whole of one.
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*
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* This is the case the stylesheets cannot describe: the menu is portalled to
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* the document, so a container query and a viewport unit both measure the wrong
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* thing — the first has no container to resolve against out there, the second
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* measures a page Element Call does not own. The menu has to be sized against
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* the space the call is actually drawn in.
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*
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* Driven from the lobby rather than a joined call. The footer builds the same
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* menu from the same device behaviours in both, and the container is the same
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* size either way, so joining would only add two connections' worth of flake.
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*/
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// Signing in, setting up crypto and syncing happen twice before anything is on
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// screen, as in component-call.spec.ts
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test.describe.configure({ timeout: 180_000 });
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test("sizes the device list against the call, not the window", async ({
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page,
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}) => {
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await installFakeDevices(page, { microphones: 20, speakers: 4 });
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const { username, roomId } = await createUserAndRoom("menusize");
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const panes = await startHarness(page, username, roomId);
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const pane = panes.first();
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// A short call in a much taller page: the difference between measuring the
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// call and measuring the window.
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const container = pane.getByTestId("call-container");
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await resizeContainer(container, { width: 900, height: 400 });
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await expect(pane.getByTestId("lobby_joinCall")).toBeVisible({
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timeout: 60_000,
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});
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const list = await openDeviceList(page, pane);
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const callHeight = (await container.boundingBox())!.height;
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const windowHeight = page.viewportSize()!.height;
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const listHeight = (await list.boundingBox())!.height;
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// Sized against the call. Were it sized against the window the list would be
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// half as tall again, and the assertion below would not be able to tell.
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expect(callHeight).toBeLessThan(windowHeight * 0.75);
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expect(listHeight).toBeLessThanOrEqual(callHeight);
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expect(listHeight).toBeLessThan(windowHeight * 0.6);
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});
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test("follows the call area when the host resizes it", async ({ page }) => {
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await installFakeDevices(page, { microphones: 20, speakers: 4 });
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const { username, roomId } = await createUserAndRoom("menuresize");
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const panes = await startHarness(page, username, roomId);
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const pane = panes.first();
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const container = pane.getByTestId("call-container");
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await resizeContainer(container, { width: 900, height: 360 });
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await expect(pane.getByTestId("lobby_joinCall")).toBeVisible({
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timeout: 60_000,
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});
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const list = await openDeviceList(page, pane);
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const whenShort = (await list.boundingBox())!.height;
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// The host grows the space Element Call is drawn in while the menu is open —
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// a panel opening, a window dragged, a phone turned. A bound taken once on
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// opening would still describe the smaller call.
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await resizeContainer(container, { width: 900, height: 700 });
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await expect
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.poll(async () => (await list.boundingBox())!.height)
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.toBeGreaterThan(whenShort);
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});
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test("keeps every device reachable in a small container", async ({ page }) => {
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await installFakeDevices(page, { microphones: 20, speakers: 4 });
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const { username, roomId } = await createUserAndRoom("menureach");
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const panes = await startHarness(page, username, roomId);
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const pane = panes.first();
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const container = pane.getByTestId("call-container");
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// Narrow as well as short, which is where entries get pushed out of reach.
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await resizeContainer(container, { width: 400, height: 360 });
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await expect(pane.getByTestId("lobby_joinCall")).toBeVisible({
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timeout: 60_000,
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});
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const list = await openDeviceList(page, pane);
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// More devices than the space allows, so the list has to scroll rather than
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// put entries somewhere they cannot be got at.
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expect(await list.evaluate((el) => el.scrollHeight > el.clientHeight)).toBe(
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true,
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);
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const last = page.getByRole("menuitemradio", { name: "Fake Microphone 20" });
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await last.scrollIntoViewIfNeeded();
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await expect(last).toBeInViewport();
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// Reachable means usable, not merely painted: D11 accepts that the menu may
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// be drawn outside the call area, so this asserts reach rather than
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// containment.
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await last.click();
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await expect(last).toHaveAttribute("aria-checked", "true");
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});
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test("tracks the focus modality of its own call, not the page", async ({
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page,
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}) => {
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await installFakeDevices(page);
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const { username, roomId } = await createUserAndRoom("menufocus");
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const panes = await startHarness(page, username, roomId);
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const pane = panes.first();
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const other = panes.nth(1);
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await expect(pane.getByTestId("lobby_joinCall")).toBeVisible({
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timeout: 60_000,
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});
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await openDeviceList(page, pane);
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// The menu owns the modality, because every item it can focus has to answer
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// to it — the device rows and the camera menu's blur toggle alike.
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const menu = page.getByRole("menu");
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// Asserted on the attribute rather than the painted ring, which cannot be
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// read here: the menu is portalled outside the call root, and the component
|
||||
// build scopes the stylesheet to it, so neither the ring nor the rule that
|
||||
// suppresses the browser's own reaches this menu. The paint is asserted
|
||||
// standalone instead — in the story and in audio-menu.spec.ts. What is on
|
||||
// trial here is which call the tracking answers for.
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await expect(menu).toHaveAttribute("data-focus-modality", "pointer");
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||||
// A key pressed in the other call on this page — or anywhere in the host's
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// own page — says nothing about how this menu is being used.
|
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await other.evaluate((element) =>
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element.dispatchEvent(
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||||
new KeyboardEvent("keydown", { key: "ArrowDown", bubbles: true }),
|
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),
|
||||
);
|
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await expect(menu).toHaveAttribute("data-focus-modality", "pointer");
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// A key pressed in this menu does.
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await page.keyboard.press("ArrowDown");
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await expect(menu).toHaveAttribute("data-focus-modality", "keyboard");
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});
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||||
|
||||
/**
|
||||
* Opens the microphone menu of one component and returns its scrolling device
|
||||
* list, which lives outside the component: the menu is portalled to the page.
|
||||
*/
|
||||
async function openDeviceList(page: Page, pane: Locator): Promise<Locator> {
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await pane
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.getByRole("button", { name: "Microphone" })
|
||||
.click({ timeout: 60_000 });
|
||||
await expect(page.getByRole("menu")).toBeVisible();
|
||||
const list = page.locator("[role='menu'] div[role='none']").first();
|
||||
await expect(list).toBeVisible();
|
||||
return list;
|
||||
}
|
||||
@@ -0,0 +1,98 @@
|
||||
/*
|
||||
Copyright 2026 Element Creations Ltd.
|
||||
|
||||
SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
|
||||
Please see LICENSE in the repository root for full details.
|
||||
*/
|
||||
|
||||
import { type Page } from "@playwright/test";
|
||||
|
||||
/**
|
||||
* Gives the browser more fake devices than it ships with.
|
||||
*
|
||||
* A headless browser's fake capture offers one microphone and one speaker,
|
||||
* which is one short of what a device menu is for: with no choice to make, every
|
||||
* entry renders disabled. These are synthetic entries on top of the real fake
|
||||
* device, so the menu has a list to show and a selection to move, and the app
|
||||
* runs its real device pipeline against them.
|
||||
*
|
||||
* What they do not do is route audio: every entry is backed by the same capture,
|
||||
* and `setSinkId` is accepted rather than honoured. A test can prove that
|
||||
* choosing a device changes the app's state and does not disturb the call. That
|
||||
* a listener hears the change needs hardware, and stays a manual check.
|
||||
*
|
||||
* Must be called before the page navigates.
|
||||
*/
|
||||
export async function installFakeDevices(
|
||||
page: Page,
|
||||
{ microphones = 2, speakers = 2 } = {},
|
||||
): Promise<void> {
|
||||
await page.addInitScript(
|
||||
({ microphones, speakers }) => {
|
||||
const synthetic = (
|
||||
kind: MediaDeviceKind,
|
||||
count: number,
|
||||
name: string,
|
||||
): MediaDeviceInfo[] =>
|
||||
Array.from({ length: count }, (_, i) => {
|
||||
const info = {
|
||||
deviceId: `${kind}-${i + 1}`,
|
||||
groupId: `${kind}-group-${i + 1}`,
|
||||
kind,
|
||||
label: `${name} ${i + 1}`,
|
||||
};
|
||||
return { ...info, toJSON: () => info } as MediaDeviceInfo;
|
||||
});
|
||||
const ids = new Set(
|
||||
[
|
||||
...synthetic("audioinput", microphones, ""),
|
||||
...synthetic("audiooutput", speakers, ""),
|
||||
].map((d) => d.deviceId),
|
||||
);
|
||||
|
||||
const devices = navigator.mediaDevices;
|
||||
const enumerate = devices.enumerateDevices.bind(devices);
|
||||
devices.enumerateDevices = async (): Promise<MediaDeviceInfo[]> => [
|
||||
...(await enumerate()),
|
||||
...synthetic("audioinput", microphones, "Fake Microphone"),
|
||||
...synthetic("audiooutput", speakers, "Fake Speaker"),
|
||||
];
|
||||
|
||||
// Our ids name no hardware, so an exact-device constraint on one would be
|
||||
// rejected. Drop it and let the one real fake device answer.
|
||||
const getUserMedia = devices.getUserMedia.bind(devices);
|
||||
devices.getUserMedia = async (
|
||||
constraints?: MediaStreamConstraints,
|
||||
): Promise<MediaStream> => {
|
||||
const audio = constraints?.audio;
|
||||
if (typeof audio === "object") {
|
||||
const requested = audio.deviceId;
|
||||
const id =
|
||||
typeof requested === "object" && requested !== null
|
||||
? ((requested as ConstrainDOMStringParameters).exact as string)
|
||||
: (requested as string | undefined);
|
||||
if (id !== undefined && ids.has(id))
|
||||
return getUserMedia({ ...constraints, audio: true });
|
||||
}
|
||||
return getUserMedia(constraints);
|
||||
};
|
||||
|
||||
// Routing to a device that does not exist would reject, and the app
|
||||
// treats that as a failed switch. Both sinks are patched: Element Call
|
||||
// routes its own AudioContext as well as the media elements, and leaving
|
||||
// that one alone logs a NotFoundError for every switch.
|
||||
for (const proto of [
|
||||
HTMLMediaElement.prototype,
|
||||
AudioContext.prototype,
|
||||
]) {
|
||||
const sink = proto as { setSinkId?: (id: string) => Promise<void> };
|
||||
const setSinkId = sink.setSinkId;
|
||||
if (setSinkId === undefined) continue;
|
||||
sink.setSinkId = async function (id: string): Promise<void> {
|
||||
if (!ids.has(id)) await setSinkId.call(this, id);
|
||||
};
|
||||
}
|
||||
},
|
||||
{ microphones, speakers },
|
||||
);
|
||||
}
|
||||
Reference in New Issue
Block a user