package playlist_test

import (
	"segmento/internal/playlist"
	"segmento/internal/segment"
	"testing"
	"time"

	"github.com/stretchr/testify/require"
)

func TestMediaPlaylistImplements(t *testing.T) {
	require.Implements(t, (*playlist.Playlist)(nil), playlist.NewMediaPlaylist())
}

func TestMediaPlaylist(t *testing.T) {
	playlist := playlist.NewMediaPlaylist()

	for i := 0; i < 8; i++ {
		s := segment.NewSegment(10*time.Second, 0)
		s.IncrementDuration(3 * time.Second)
		playlist.AddSegment(s)
	}
	require.Equal(t, 21*time.Second, playlist.Duration())
}