Gnocchi with Shrimp, Asparagus and Pesto

basil pesto (here's my recipe) 1 16 oz. package gnocchi 1 tablespoon olive oil 1 bunch (about 1 lb.) asparagus, cut in 1-inch slices 1/2 yellow onion, chopped 1 pound peeled and deveined shrimp, coarsely chopped Salt and pepper Parmesan cheese