open-standards/smart-byte/smart-byte-rs/crates/smart-byte-oidc4vc/tests/dcql_query.rs
Transaction Science 0155cbea85 ingest wave G (final): smart-byte-oidc4vc · OpenID for Verifiable Credentials
Smart Byte (1 crate, ~4370 LOC, 82 tests)
  smart-byte-oidc4vc   OID4VCI 13 (issuer/AS metadata, pre-auth + auth-code
                       offers, deep-link encode/decode, token endpoint,
                       c_nonce + nonce endpoint, credential endpoint with
                       single + batch proofs + deferred + encryption hooks,
                       notification endpoint). OID4VP 23 (VpAuthRequest/
                       VpAuthResponse with DCQL + PE 2.0 +
                       presentation_definition_uri, client_id_scheme
                       constants, response_mode constants). SIOPv2 (request
                       + ID-token with sub_jwk). DCQL (path walker, value
                       constraints, claim_sets, credential_sets).
                       Presentation Exchange 2.0 (definition + submission
                       validation). DPoP (RFC 9449 with htm/htu/iat/ath/
                       nonce + skew validator). Bitstring Status List 2021
                       + IETF Token Status List (1/2/4/8-bit slots,
                       GZIP+base64url). HAIP + EUDI Wallet ARF profile
                       evaluators (PID + mDL vct/doctype constants).

This closes the planned ingest run for batches 4-7. The open-standards
monorepo now contains 22 net-new crates from this session across the
three workspaces.

Co-Authored-By: Claude Opus 4.7 <[email protected]>
2026-05-24 17:45:05 -04:00

125 lines
3.7 KiB
Rust

//! DCQL serialisation + matching tests.
use serde_json::json;
use smart_byte_oidc4vc::{
ClaimQuery, CredentialMeta, CredentialQuery, DcqlQuery, PathSegment,
evaluate_claim, evaluate_credential,
};
fn pid_credential() -> serde_json::Value {
json!({
"vct": "https://eu.europa.ec.eudi/pid/1",
"credentialSubject": {
"given_name": "Alice",
"family_name": "Citizen",
"birth_date": "1990-04-12"
}
})
}
#[test]
fn query_serialises() {
let q = DcqlQuery {
credentials: vec![CredentialQuery {
id: "pid".into(),
format: "dc+sd-jwt".into(),
require: true,
meta: CredentialMeta {
vct_values: vec!["https://eu.europa.ec.eudi/pid/1".into()],
doctype_value: None,
type_values: vec![],
},
claims: vec![
ClaimQuery::path(vec![
PathSegment::Key("credentialSubject".into()),
PathSegment::Key("given_name".into()),
])
.with_id("c-gn"),
ClaimQuery::path(vec![
PathSegment::Key("credentialSubject".into()),
PathSegment::Key("family_name".into()),
])
.with_id("c-fn"),
],
claim_sets: vec![vec!["c-gn".into(), "c-fn".into()]],
}],
credential_sets: vec![],
};
q.validate().expect("query validates");
let j = serde_json::to_string(&q).unwrap();
let back: DcqlQuery = serde_json::from_str(&j).unwrap();
assert_eq!(back, q);
}
#[test]
fn evaluates_each_claim_path() {
let cred = pid_credential();
let gn = ClaimQuery::path(vec![
PathSegment::Key("credentialSubject".into()),
PathSegment::Key("given_name".into()),
]);
let v = evaluate_claim(&cred, &gn).expect("given_name resolves");
assert_eq!(v, &serde_json::Value::from("Alice"));
}
#[test]
fn rejects_unknown_path() {
let cred = pid_credential();
let q = ClaimQuery::path(vec![
PathSegment::Key("credentialSubject".into()),
PathSegment::Key("missing".into()),
]);
assert!(evaluate_claim(&cred, &q).is_none());
}
#[test]
fn evaluates_credential_with_claim_set() {
let cred = pid_credential();
let q = CredentialQuery {
id: "pid".into(),
format: "dc+sd-jwt".into(),
require: true,
meta: CredentialMeta::default(),
claims: vec![
ClaimQuery::path(vec![
PathSegment::Key("credentialSubject".into()),
PathSegment::Key("given_name".into()),
])
.with_id("gn"),
ClaimQuery::path(vec![
PathSegment::Key("credentialSubject".into()),
PathSegment::Key("does_not_exist".into()),
])
.with_id("missing"),
],
claim_sets: vec![vec!["gn".into()]],
};
let matched = evaluate_credential(&cred, &q).expect("matches set");
assert!(matched.contains(&"gn".to_string()));
}
#[test]
fn duplicate_credential_ids_rejected() {
let q = DcqlQuery {
credentials: vec![
CredentialQuery {
id: "a".into(),
format: "dc+sd-jwt".into(),
require: true,
meta: CredentialMeta::default(),
claims: vec![],
claim_sets: vec![],
},
CredentialQuery {
id: "a".into(),
format: "dc+sd-jwt".into(),
require: true,
meta: CredentialMeta::default(),
claims: vec![],
claim_sets: vec![],
},
],
credential_sets: vec![],
};
assert!(q.validate().is_err());
}