package data

import (
	"testing"
)

func TestSong(t *testing.T) {
	song := Song{
		Name: "song_a",
		Album: Album{
			Name: "album_a",
			Artists: []Artist{
				{Name: "artist_a"},
				{Name: "artist_a"},
				{Name: "artist_b"},
			},
		},
		Artists: []Artist{
			{Name: "artist_a"},
			{Name: "artist_a"},
			{Name: "artist_b"},
		},
	}

	compiled := song.Compile().(Song)

	if len(compiled.Artists) != 2 {
		t.Errorf(`the two artists with the same name have to be merged, %d`, len(compiled.Artists))
	}

	if len(compiled.Album.Artists) != 2 {
		t.Errorf(`the two artists with the same names in the album have to be merged, %d`, len(compiled.Album.Artists))
	}
}