public void AnnotateQueryFields() { // arrange string schemaSource = FileResource.Open("Stitching.graphql"); string querySource = FileResource.Open("StitchingQuery.graphql"); ISchema schema = Schema.Create(schemaSource, c => { c.RegisterDirective <SchemaDirectiveType>(); c.RegisterDirective <DelegateDirectiveType>(); c.Use(next => ctx => Task.FromResult <object>(null)); }); DocumentNode query = Parser.Default.Parse(querySource); var context = AnnotationContext.Create(schema); // act DocumentNode annotatedQuery = query.Rewrite <AnnotateQueryRewriter, AnnotationContext>( context); // assert SerializeQuery(annotatedQuery).Snapshot(); }