murashit_codex-panel/tests/settings/settings-lifecycle.test.ts

import { describe, expect, it } from "vitest";
import { createSettingsDynamicSectionLifecycle, transitionSettingsDynamicSectionLifecycle } from "../../src/settings/lifecycle";

describe("settings lifecycle", () => {
  it("tracks dynamic section lifecycle", () => {
    const idle = createSettingsDynamicSectionLifecycle();
    expect(idle).toEqual({ kind: "idle", status: "" });

    const loading = transitionSettingsDynamicSectionLifecycle(idle, { type: "started", status: "Loading hooks...", operationToken: 1 });
    expect(loading).toEqual({ kind: "loading", status: "Loading hooks...", operationToken: 1 });

    expect(transitionSettingsDynamicSectionLifecycle(loading, { type: "loaded", status: "Stale result.", operationToken: 0 })).toBe(
      loading,
    );

    const loaded = transitionSettingsDynamicSectionLifecycle(loading, { type: "loaded", status: "Loaded 1 hook.", operationToken: 1 });
    expect(loaded).toEqual({ kind: "loaded", status: "Loaded 1 hook.", operationToken: 1 });

    const failed = transitionSettingsDynamicSectionLifecycle(loaded, {
      type: "failed",
      status: "Could not load hooks.",
      operationToken: 1,
    });
    expect(failed).toEqual({ kind: "failed", status: "Could not load hooks.", operationToken: 1 });

    const laterLoaded = transitionSettingsDynamicSectionLifecycle(failed, { type: "loaded", status: "Loaded 2 hooks.", operationToken: 2 });
    expect(
      transitionSettingsDynamicSectionLifecycle(laterLoaded, { type: "started", status: "Loading old hooks...", operationToken: 1 }),
    ).toBe(laterLoaded);
    expect(transitionSettingsDynamicSectionLifecycle(laterLoaded, { type: "failed", status: "Late old failure.", operationToken: 1 })).toBe(
      laterLoaded,
    );

    expect(transitionSettingsDynamicSectionLifecycle(failed, { type: "reset" })).toEqual(idle);
  });
});