feat(spotify): SpotifyProvider (search/browse; playback sentinel)

src/music/spotify/provider.test.ts

@@ -0,0 +1,63 @@
+import { describe, it, expect, vi } from "vitest";
+import { SpotifyProvider } from "./provider.js";
+import { SpotifyWebApi } from "./webapi.js";
+
+function fakeApi(over: Partial<SpotifyWebApi> = {}): SpotifyWebApi {
+  return {
+    hasCreds: () => true,
+    setCreds: vi.fn(),
+    search: vi.fn().mockResolvedValue({ songs: [], playlists: [], albums: [] }),
+    getTrack: vi.fn().mockResolvedValue(null),
+    getAlbumTracks: vi.fn().mockResolvedValue([]),
+    getPlaylistTracks: vi.fn().mockResolvedValue([]),
+    ...over,
+  } as unknown as SpotifyWebApi;
+}
+
+describe("SpotifyProvider", () => {
+  it("has platform 'spotify'", () => {
+    expect(new SpotifyProvider(fakeApi()).platform).toBe("spotify");
+  });
+
+  it("getSongUrl returns the spotify: sentinel, not a real URL", async () => {
+    const p = new SpotifyProvider(fakeApi());
+    const r = await p.getSongUrl("4iV5W9uYEdYUVa79Axb7Rh");
+    expect(r).toEqual({ url: "spotify:track:4iV5W9uYEdYUVa79Axb7Rh" });
+  });
+
+  it("search delegates to the web API", async () => {
+    const api = fakeApi({
+      search: vi.fn().mockResolvedValue({
+        songs: [{ id: "t1", platform: "spotify" }],
+        playlists: [],
+        albums: [],
+      }),
+    });
+    const out = await new SpotifyProvider(api).search("queen", 5);
+    expect(api.search).toHaveBeenCalledWith("queen", 5);
+    expect(out.songs[0].id).toBe("t1");
+  });
+
+  it("getAuthStatus reflects credential presence", async () => {
+    expect((await new SpotifyProvider(fakeApi({ hasCreds: () => true })).getAuthStatus()).loggedIn).toBe(true);
+    expect((await new SpotifyProvider(fakeApi({ hasCreds: () => false })).getAuthStatus()).loggedIn).toBe(false);
+  });
+
+  it("getPlaylistSongs / getAlbumSongs delegate to the web API", async () => {
+    const api = fakeApi({
+      getPlaylistTracks: vi.fn().mockResolvedValue([{ id: "p", platform: "spotify" }]),
+      getAlbumTracks: vi.fn().mockResolvedValue([{ id: "a", platform: "spotify" }]),
+    });
+    const p = new SpotifyProvider(api);
+    expect((await p.getPlaylistSongs("37i9"))[0].id).toBe("p");
+    expect((await p.getAlbumSongs("1abc"))[0].id).toBe("a");
+  });
+
+  it("no-op auth surfaces (QR expired, empty lyrics/recommend)", async () => {
+    const p = new SpotifyProvider(fakeApi());
+    expect(await p.getLyrics("x")).toEqual([]);
+    expect(await p.getRecommendPlaylists()).toEqual([]);
+    expect((await p.getQrCode()).key).toBe("");
+    expect(await p.checkQrCodeStatus("k")).toBe("expired");
+  });
+});