@Override
		public <S extends StreamDefinition> S save(S entity) {
			if (debugRepository) {
				System.out.println(System.identityHashCode(this) + " save(" + entity + ")");
			}
			data.put(entity.getName(), entity);
			return entity;
		}
Parse streams and verify either the correct abstract syntax tree is produced or the current exception comes out.

@author Andy Clement
@author David Turanski
spring-xd-dirt/src/test/java/org/springframework/xd/dirt/stream/dsl/StreamConfigParserTests.java