fix: negative test case for default verkey strat

Signed-off-by: Daniel Bluhm <[email protected]>

Author: dbluhm

acapy_agent/wallet/default_verification_key_strategy.py

@@ -43,7 +43,7 @@ async def get_verification_method_id_for_did(
         *,
         proof_type: Optional[str] = None,
         proof_purpose: Optional[ProofPurposeStr] = None,
-    ) -> Optional[str]:
+    ) -> str:
         """Given a DID, returns the verification key ID in use.
 
         Returns None if no strategy is specified for this DID.
@@ -54,7 +54,7 @@ async def get_verification_method_id_for_did(
         :params proof_purpose: the verkey relationship (assertionMethod, keyAgreement, ..)
         :returns Optional[str]: the current verkey ID
         """
-        pass
+        ...
 
 
 class DefaultVerificationKeyStrategy(BaseVerificationKeyStrategy):
@@ -77,7 +77,7 @@ async def get_verification_method_id_for_did(
         *,
         proof_type: Optional[str] = None,
         proof_purpose: Optional[ProofPurposeStr] = None,
-    ) -> Optional[str]:
+    ) -> str:
         """Given a did:key or did:sov, returns the verification key ID in use.
 
         Returns None if no strategy is specified for this DID.
@@ -113,7 +113,12 @@ async def get_verification_method_id_for_did(
             for method in methods_or_refs
         ]
 
-        method_types = self.key_types_mapping[proof_type]
+        method_types = self.key_types_mapping.get(proof_type)
+        if not method_types:
+            raise VerificationKeyStrategyError(
+                f"proof type {proof_type} is not supported"
+            )
+
         # Filter methods by type expected for proof_type
         methods = [vm for vm in methods if vm.type in method_types]
         if not methods:

acapy_agent/wallet/tests/test_default_verification_key_strategy.py

@@ -1,4 +1,7 @@
 from unittest import IsolatedAsyncioTestCase
+import pytest
+
+from acapy_agent.resolver.did_resolver import DIDResolver
 
 from ...did.did_key import DIDKey
 from ...utils.testing import create_test_profile
@@ -13,6 +16,8 @@
 class TestDefaultVerificationKeyStrategy(IsolatedAsyncioTestCase):
     async def asyncSetUp(self) -> None:
         self.profile = await create_test_profile()
+        resolver = DIDResolver()
+        self.profile.context.injector.bind_instance(DIDResolver, resolver)
 
     async def test_with_did_sov(self):
         strategy = DefaultVerificationKeyStrategy()
@@ -30,9 +35,7 @@ async def test_with_did_key(self):
 
     async def test_unsupported_did_method(self):
         strategy = DefaultVerificationKeyStrategy()
-        assert (
+        with pytest.raises(Exception):
             await strategy.get_verification_method_id_for_did(
                 "did:test:test", self.profile
             )
-            is None
-        )