feat(api): GET /api/albums/{id} with nested tracks

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-21 07:43:39 -04:00
parent 8c18e44d5b
commit c0487ecddb
2 changed files with 133 additions and 2 deletions
@@ -74,3 +74,93 @@ func TestHandleGetTrack_NotFound(t *testing.T) {
 		t.Errorf("status = %d, want 404", w.Code)
 	}
 }
+
+func TestHandleGetAlbum_HappyPath(t *testing.T) {
+	h, pool := testHandlers(t)
+	truncateLibrary(t, pool)
+	artist := seedArtist(t, pool, "Beatles")
+	album := seedAlbum(t, pool, artist.ID, "Abbey Road", 1969)
+	seedTrack(t, pool, album.ID, artist.ID, "Come Together", 1, 259_000)
+	seedTrack(t, pool, album.ID, artist.ID, "Something", 2, 183_000)
+
+	req := httptest.NewRequest(http.MethodGet, "/api/albums/"+uuidToString(album.ID), nil)
+	w := httptest.NewRecorder()
+	newLibraryRouter(h).ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("status = %d body = %s", w.Code, w.Body.String())
+	}
+	var got AlbumDetail
+	if err := json.Unmarshal(w.Body.Bytes(), &got); err != nil {
+		t.Fatalf("decode: %v body=%s", err, w.Body.String())
+	}
+	if got.Title != "Abbey Road" || got.ArtistName != "Beatles" || got.Year != 1969 {
+		t.Errorf("album = %+v", got)
+	}
+	if len(got.Tracks) != 2 {
+		t.Fatalf("tracks len = %d, want 2", len(got.Tracks))
+	}
+	if got.Tracks[0].Title != "Come Together" || got.Tracks[1].Title != "Something" {
+		t.Errorf("tracks = %+v", got.Tracks)
+	}
+	if got.TrackCount != 2 || got.DurationSec != 442 { // 259 + 183
+		t.Errorf("counts = track=%d duration=%d", got.TrackCount, got.DurationSec)
+	}
+	want := "/api/albums/" + uuidToString(album.ID) + "/cover"
+	if got.CoverURL != want {
+		t.Errorf("cover_url = %q", got.CoverURL)
+	}
+	// StreamURL on nested tracks must be set
+	if got.Tracks[0].StreamURL == "" {
+		t.Error("nested track missing stream_url")
+	}
+}
+
+func TestHandleGetAlbum_NoTracks(t *testing.T) {
+	h, pool := testHandlers(t)
+	truncateLibrary(t, pool)
+	artist := seedArtist(t, pool, "Beatles")
+	album := seedAlbum(t, pool, artist.ID, "Empty", 0)
+
+	req := httptest.NewRequest(http.MethodGet, "/api/albums/"+uuidToString(album.ID), nil)
+	w := httptest.NewRecorder()
+	newLibraryRouter(h).ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("status = %d body = %s", w.Code, w.Body.String())
+	}
+	var got AlbumDetail
+	_ = json.Unmarshal(w.Body.Bytes(), &got)
+	if got.Tracks == nil {
+		t.Error("tracks = nil, want [] for JSON encoding")
+	}
+	if len(got.Tracks) != 0 {
+		t.Errorf("tracks len = %d, want 0", len(got.Tracks))
+	}
+	// Year omitempty: releaseYear=0 => Year=0 => field should be absent from JSON
+	if got.Year != 0 {
+		t.Errorf("year = %d, want 0", got.Year)
+	}
+}
+
+func TestHandleGetAlbum_BadUUID(t *testing.T) {
+	h, _ := testHandlers(t)
+	req := httptest.NewRequest(http.MethodGet, "/api/albums/not-a-uuid", nil)
+	w := httptest.NewRecorder()
+	newLibraryRouter(h).ServeHTTP(w, req)
+	if w.Code != http.StatusBadRequest {
+		t.Errorf("status = %d, want 400", w.Code)
+	}
+}
+
+func TestHandleGetAlbum_NotFound(t *testing.T) {
+	h, pool := testHandlers(t)
+	truncateLibrary(t, pool)
+	req := httptest.NewRequest(http.MethodGet,
+		"/api/albums/00000000-0000-0000-0000-000000000001", nil)
+	w := httptest.NewRecorder()
+	newLibraryRouter(h).ServeHTTP(w, req)
+	if w.Code != http.StatusNotFound {
+		t.Errorf("status = %d, want 404", w.Code)
+	}
+}