@Test
public void atypical_level() {

	// given
	String levelName = "animal.rodent";
	// when
	Level level = transform(codemap, levelName);
	log.info("produced level '{}':\n{}", levelName, level.formatted());
	// then
	Component root = new Component("[root]");
	Component mouse = new Component("mouse");
	assertThat(level.name).isEqualTo(levelName);
	assertThat(level.components).containsExactly(root, mouse);
	assertThat(level.dependencies).isEmpty();
}