@Test
public void shouldRenderArtistWithoutTrack() throws Exception {

    AtSoundtrackSettings settings = new AtSoundtrackSettings();
    settings.setContent("${title} ${artist}");
    settings.getParentheses().put(AtSoundtrackElement.ARTIST, Parentheses.TRIANGLE);
    settings.getParentheses().put(AtSoundtrackElement.TITLE, Parentheses.ROUND);
    Map<AtSoundtrackElement, String> input = new HashMap<AtSoundtrackElement, String>();
    input.put(AtSoundtrackElement.ARTIST, "artist");
    String result = Renderer.render(input, settings);
    assertThat(result).isEqualTo("<artist>");
}