refactor: isolate playback and upload use cases

apps/mobile/test/controller.test.ts

@@ -0,0 +1,72 @@
+import type { AuthSession, Track } from '@pipu/core';
+import { beforeEach, expect, it, vi } from 'vitest';
+
+vi.mock('@react-native-community/netinfo', () => ({ default: {
+  fetch: async () => ({ type: 'wifi' }), addEventListener: () => () => {},
+} }));
+vi.mock('../src/lib/prefs', () => ({
+  qualityPrefs: { load: async () => ({ wifi: 'high', cellular: 'medium' }) },
+  playerCache: { clearIfRequested: async () => {} },
+}));
+vi.mock('../src/offline/events', () => ({ PersistentEvents: class {} }));
+vi.mock('../src/offline/downloads', () => ({
+  downloads: { isDownloaded: () => false, localTrack: () => undefined, localCover: () => undefined, downloaded: () => [] },
+  sizedCover: (s: string) => s,
+}));
+vi.mock('react-native-track-player', () => ({
+  default: {
+    isServiceRunning: async () => true, setupPlayer: async () => {}, updateOptions: async () => {},
+    addEventListener: vi.fn(), reset: vi.fn().mockResolvedValue(undefined),
+    add: vi.fn().mockResolvedValue(undefined), play: vi.fn().mockResolvedValue(undefined),
+    skip: vi.fn().mockResolvedValue(undefined),
+  },
+  AppKilledPlaybackBehavior: {}, Capability: {}, Event: {}, State: {},
+}));
+
+function track(id: string): Track {
+  return { id, title: id, duration_ms: 1000, artists: [],
+    album: { id: 'album', title: 'Album', year: null, cover_url: null, cover_colors: [] },
+    genres: [], disc_no: 1, track_no: 1, available: true, stream_url: `/s/${id}?sig=x`, reaction: null, features: null };
+}
+function deferred<T>() {
+  let resolve!: (v: T) => void;
+  const promise = new Promise<T>((yes) => { resolve = yes; });
+  return { promise, resolve };
+}
+const reply = (id: string) => ({ data: { session_id: id, activity: null, mood: null, fallback: false, tracks: [track(id)] }, response: new Response() });
+
+beforeEach(() => { vi.resetModules(); vi.clearAllMocks(); });
+
+it('ignores a wave creation response after the player is reset', async () => {
+  const { player } = await import('../src/player/controller');
+  const native = (await import('react-native-track-player')).default;
+  const pending = deferred<ReturnType<typeof reply>>();
+  const post = vi.fn().mockReturnValue(pending.promise);
+  player.attach({ client: { POST: post } } as unknown as AuthSession, 'http://localhost', null);
+  const start = player.startWave(null, null);
+  await vi.waitFor(() => expect(post).toHaveBeenCalled());
+  await player.reset();
+  pending.resolve(reply('old'));
+  await start;
+  expect(player.getState().wave).toBeNull();
+  expect(player.getState().queue).toEqual([]);
+  expect(native.add).not.toHaveBeenCalled();
+});
+
+it('does not let a late context response replace a manually selected playlist', async () => {
+  const { player } = await import('../src/player/controller');
+  const pending = deferred<ReturnType<typeof reply>>();
+  const session = { client: {
+    POST: vi.fn().mockResolvedValue(reply('wave')),
+    PATCH: vi.fn().mockReturnValue(pending.promise), DELETE: vi.fn().mockResolvedValue({}),
+  } };
+  player.attach(session as unknown as AuthSession, 'http://localhost', null);
+  await player.startWave(null, null);
+  const change = player.setWaveContext('focus', null);
+  await player.playList([track('manual')], 0, { type: 'album', id: 'album' });
+  pending.resolve(reply('stale'));
+  await change;
+  expect(player.getState().wave).toBeNull();
+  expect(player.getState().queue.map((t) => t.id)).toEqual(['manual']);
+  expect(player.getState().context?.type).toBe('album');
+});