test(api): add library seed fixtures

internal/api/library_fixtures_test.go

@@ -0,0 +1,87 @@
+package api
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/jackc/pgx/v5/pgtype"
+	"github.com/jackc/pgx/v5/pgxpool"
+
+	"git.fabledsword.com/bvandeusen/minstrel/internal/db/dbq"
+)
+
+// truncateLibrary clears the music tables between tests. Sessions/users are
+// cleared by testHandlers. CASCADE covers tracks→albums→artists FK chain.
+func truncateLibrary(t *testing.T, pool *pgxpool.Pool) {
+	t.Helper()
+	if _, err := pool.Exec(context.Background(),
+		"TRUNCATE tracks, albums, artists RESTART IDENTITY CASCADE"); err != nil {
+		t.Fatalf("truncate: %v", err)
+	}
+}
+
+// seedArtist inserts an artist with deterministic sort_name = name.
+func seedArtist(t *testing.T, pool *pgxpool.Pool, name string) dbq.Artist {
+	t.Helper()
+	a, err := dbq.New(pool).UpsertArtist(context.Background(), dbq.UpsertArtistParams{
+		Name:     name,
+		SortName: name,
+		Mbid:     nil,
+	})
+	if err != nil {
+		t.Fatalf("UpsertArtist(%s): %v", name, err)
+	}
+	return a
+}
+
+// seedAlbum inserts an album belonging to artistID. releaseYear=0 leaves
+// release_date unset.
+func seedAlbum(t *testing.T, pool *pgxpool.Pool, artistID pgtype.UUID, title string, releaseYear int) dbq.Album {
+	t.Helper()
+	var rel pgtype.Date
+	if releaseYear > 0 {
+		rel = pgtype.Date{Time: time.Date(releaseYear, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true}
+	}
+	a, err := dbq.New(pool).UpsertAlbum(context.Background(), dbq.UpsertAlbumParams{
+		Title:        title,
+		SortTitle:    title,
+		ArtistID:     artistID,
+		ReleaseDate:  rel,
+		Mbid:         nil,
+		CoverArtPath: nil,
+	})
+	if err != nil {
+		t.Fatalf("UpsertAlbum(%s): %v", title, err)
+	}
+	return a
+}
+
+// seedTrack inserts a track. trackNumber<=0 leaves it NULL. filePath is
+// synthesized from title to stay unique across seeds.
+func seedTrack(t *testing.T, pool *pgxpool.Pool, albumID, artistID pgtype.UUID, title string, trackNumber int, durationMs int32) dbq.Track {
+	t.Helper()
+	var tn *int32
+	if trackNumber > 0 {
+		v := int32(trackNumber)
+		tn = &v
+	}
+	tr, err := dbq.New(pool).UpsertTrack(context.Background(), dbq.UpsertTrackParams{
+		Title:       title,
+		AlbumID:     albumID,
+		ArtistID:    artistID,
+		TrackNumber: tn,
+		DiscNumber:  nil,
+		DurationMs:  durationMs,
+		FilePath:    "/seed/" + title + ".flac",
+		FileSize:    1024,
+		FileFormat:  "flac",
+		Bitrate:     nil,
+		Mbid:        nil,
+		Genre:       nil,
+	})
+	if err != nil {
+		t.Fatalf("UpsertTrack(%s): %v", title, err)
+	}
+	return tr
+}