assertNotNull( factory );
CacheManager manager = (CacheManager) factory.create() ;
assertNotNull( manager ) ;
Repository repository = manager.createRepository() ;
assertNotNull( repository ) ;
Artifact artifact = Artifact.createArtifact(
"avalon-framework", "avalon-framework-api", "4.1.5" );
URL url = repository.getResource( artifact );
assertNotNull( "url", url );
}