plainleaf/plugs/editor/theme.test.ts

import { afterEach, expect, test } from "vitest";
import { toggleDarkMode } from "./editor.ts";

const originalSyscall = globalThis.syscall;

afterEach(() => {
  globalThis.syscall = originalSyscall;
});

test("toggles and persists the theme without reloading the browser UI", async () => {
  const calls: [string, ...any[]][] = [];
  globalThis.syscall = async (name: string, ...args: any[]) => {
    calls.push([name, ...args]);
    if (name === "editor.getUiOption") return false;
  };

  await toggleDarkMode();

  expect(calls).toEqual([
    ["editor.getUiOption", "darkMode"],
    ["clientStore.set", "darkMode", true],
    ["editor.setUiOption", "darkMode", true],
  ]);
  expect(calls.some(([name]) => name === "editor.reloadUI")).toBe(false);
});