build spotify-to-navidrome migrator with recovery flow

internal/spotify/playlist_url_test.go

@@ -0,0 +1,24 @@
+package spotify
+
+import "testing"
+
+func TestParsePlaylistID(t *testing.T) {
+	tests := []struct {
+		in   string
+		want string
+	}{
+		{"spotify:playlist:16DZpOTLqZvdbqxEavLmWk", "16DZpOTLqZvdbqxEavLmWk"},
+		{"https://open.spotify.com/playlist/16DZpOTLqZvdbqxEavLmWk?si=abc", "16DZpOTLqZvdbqxEavLmWk"},
+		{"16DZpOTLqZvdbqxEavLmWk", "16DZpOTLqZvdbqxEavLmWk"},
+	}
+
+	for _, tt := range tests {
+		got, err := ParsePlaylistID(tt.in)
+		if err != nil {
+			t.Fatalf("ParsePlaylistID(%q) returned error: %v", tt.in, err)
+		}
+		if got != tt.want {
+			t.Fatalf("ParsePlaylistID(%q) = %q, want %q", tt.in, got, tt.want)
+		}
+	}
+}