use grdf::{HashDataset, MutableDataset};
use rdf_types::{BlankIdBuf, Quad, Term};
use static_iref::iri;
use std::collections::HashMap;
fn test(a: HashDataset, b: HashDataset) {
match a.find_blank_id_bijection(&b) {
Some(bijection) => {
let substitution: HashMap<_, _> = bijection
.forward
.into_iter()
.map(|(a, b)| (a.to_owned(), b))
.collect();
let c =
a.substitute_blank_ids(|id| (*substitution.get(id.as_ref()).unwrap()).to_owned());
assert_eq!(c, b)
}
None => panic!("no substitution found"),
}
}