test

test/helpers/test_data.dart

@@ -30,7 +30,9 @@ class TestData {
     pfiDid = await DidJwk.create(keyManager: _pfiKeyManager);
   }
 
-  static Offering getOffering() {
+  static Offering getOffering({
+    PresentationDefinition? requiredClaims,
+  }) {
     return Offering.create(
       pfiDid.uri,
       OfferingData(
@@ -57,17 +59,47 @@ class TestData {
             ),
           ],
         ),
+        requiredClaims: requiredClaims,
       ),
     );
   }
 
+  static PresentationDefinition getRequiredClaims() {
+    // From web5-spec test vectors
+    const json = r'''
+      {
+        "id": "7ce4004c-3c38-4853-968b-e411bafcd945",
+        "input_descriptors": [
+          {
+            "id": "bbdb9b7c-5754-4f46-b63b-590bada959e0",
+            "constraints": {
+              "fields": [
+                {
+                  "path": ["$.vc.type[*]"],
+                  "filter": {
+                    "type": "string",
+                    "pattern": "^YoloCredential$"
+                  }
+                }
+              ]
+            }
+          }
+        ]
+      }
+    ''';
+
+    return PresentationDefinition.fromJson(jsonDecode(json));
+  }
+
   static Rfq getRfq({
     String? offeringId,
     String? amount,
     String? payinKind,
     String? payoutKind,
     String? to,
+    List<String>? claims,
   }) {
+    claims ??= [];
     return Rfq.create(
       to ?? pfiDid.uri,
       aliceDid.uri,
@@ -92,7 +124,7 @@ class TestData {
             'cvv': '123',
           }),
         ),
-        claims: [],
+        claims: claims,
       ),
     );
   }

test/protocol/models/rfq_test.dart

@@ -7,6 +7,7 @@ import 'package:tbdex/src/protocol/models/resource.dart';
 import 'package:tbdex/src/protocol/models/rfq.dart';
 import 'package:test/test.dart';
 import 'package:typeid/typeid.dart';
+import 'package:web5/web5.dart';
 
 import '../../helpers/test_data.dart';
 
@@ -352,10 +353,52 @@ void main() async {
       });
     });
 
-    test('can verify offering requirements', () {
-      final offering = TestData.getOffering();
-      final rfq = TestData.getRfq(offeringId: offering.metadata.id);
-      expect(() => rfq.verifyOfferingRequirements(offering), returnsNormally);
+    group('verifyOfferingRequirements', () {
+      test('can verify offering requirements', () {
+        final offering = TestData.getOffering();
+        final rfq = TestData.getRfq(offeringId: offering.metadata.id);
+        expect(() => rfq.verifyOfferingRequirements(offering), returnsNormally);
+      });
+
+      test('succeeds if claims satisfy offering required claims', () async {
+        final vc = VerifiableCredential.create(
+          // this credential fulfills the offering's required claims
+          type: ['YoloCredential', 'VerifiableCredential',],
+          issuer: TestData.aliceDid.uri,
+          subject: TestData.aliceDid.uri,
+          data: {
+            'beep': 'boop',
+          },
+        );
+        final vcJwt = await vc.sign(TestData.aliceDid);
+
+        final offering =
+            TestData.getOffering(requiredClaims: TestData.getRequiredClaims());
+        final rfq =
+            TestData.getRfq(offeringId: offering.metadata.id, claims: [vcJwt]);
+
+        expect(() => rfq.verifyOfferingRequirements(offering), returnsNormally);
+      });
+
+      test('fails if offering has no required claims', () async {
+        final vc = VerifiableCredential.create(
+          // this credential fulfills the offering's required claims
+          type: ['NotYoloCredential', 'VerifiableCredential',],
+          issuer: TestData.aliceDid.uri,
+          subject: TestData.aliceDid.uri,
+          data: {
+            'beep': 'boop',
+          },
+        );
+        final vcJwt = await vc.sign(TestData.aliceDid);
+
+        final offering =
+            TestData.getOffering(requiredClaims: TestData.getRequiredClaims());
+        final rfq =
+            TestData.getRfq(offeringId: offering.metadata.id, claims: [vcJwt]);
+
+        expect(() => rfq.verifyOfferingRequirements(offering), throwsException);
+      });
     });
 
     test('should throw exception if rfq offeringId differs from offering id',