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element-call/src/lotus/lotusWidget.test.ts
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/*
Copyright 2026 Lotus Guild
SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE in the repository root for full details.
*/
import { afterEach, describe, expect, test, vi } from "vitest";
vi.mock("../widget", () => ({ widget: null }));
import { lotusFlag, lotusParam, lotusSendToHost } from "./lotusWidget";
import { LotusWidgetActions } from "./lotusActions";
/**
* Point `window.location` at a URL for the duration of one assertion. Uses a
* path relative to the current origin — `pushState` throws a `SecurityError`
* on a cross-origin URL, and jsdom's default test origin doesn't match a
* hard-coded `http://localhost/`.
*/
function setLocation(path: string): void {
window.history.pushState({}, "", path);
}
describe("lotusParam / lotusFlag", () => {
afterEach(() => {
setLocation("/");
});
test("reads a param from the query string", () => {
setLocation("/?lotusTheme=1");
expect(lotusParam("lotusTheme")).toBe("1");
});
test("reads a param from the hash fragment's query portion", () => {
setLocation("/#/room?lotusTransparent=1");
expect(lotusParam("lotusTransparent")).toBe("1");
});
test("the hash fragment wins over the query string for the same key", () => {
setLocation("/?lotusTheme=fromQuery#/room?lotusTheme=fromHash");
expect(lotusParam("lotusTheme")).toBe("fromHash");
});
test("falls back to the query string for keys absent from the hash", () => {
setLocation("/?onlyInQuery=1#/room?lotusTheme=1");
expect(lotusParam("onlyInQuery")).toBe("1");
});
test("returns null when the param is present nowhere", () => {
setLocation("/#/room");
expect(lotusParam("missing")).toBeNull();
});
test.each([
["1", true],
["true", true],
["0", false],
["false", false],
[null, false],
])("lotusFlag treats %s as %s", (value, expected) => {
setLocation(value === null ? "/" : `/?f=${value}`);
expect(lotusFlag("f")).toBe(expected);
});
// [lotus #33] lotusParam must re-derive from window.location on every call
// rather than caching the first read, so a later navigation (e.g. lobby ->
// in-call) that rewrites the URL is picked up.
test("re-reads window.location on every call instead of caching the first result", () => {
setLocation("/?lotusTheme=1");
expect(lotusParam("lotusTheme")).toBe("1");
setLocation("/?lotusTheme=0");
expect(lotusParam("lotusTheme")).toBe("0");
setLocation("/");
expect(lotusParam("lotusTheme")).toBeNull();
});
});
describe("lotusSendToHost", () => {
test("returns false when no widget transport is available", () => {
expect(lotusSendToHost(LotusWidgetActions.CallState, {})).toBe(false);
});
});