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test(sd-jwt): Add SD-JWT credential processor tests
- Add comprehensive tests for SD-JWT VC credential processor - Covers credential issuance, verification, and selective disclosure - Part of integration test suite improvements Signed-off-by: Adam Burdett <burdettadam@gmail.com>
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‎oid4vc/sd_jwt_vc/tests/test_cred_processor.py‎

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from unittest.mock import MagicMock, patch
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import pytest
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from acapy_agent.admin.request_context import AdminRequestContext
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from oid4vc.models.exchange import OID4VCIExchangeRecord
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from oid4vc.models.supported_cred import SupportedCredential
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from oid4vc.pop_result import PopResult
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from sd_jwt_vc.cred_processor import CredProcessorError, SdJwtCredIssueProcessor
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@pytest.mark.asyncio
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class TestSdJwtCredIssueProcessor:
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async def test_issue_vct_validation(self):
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processor = SdJwtCredIssueProcessor()
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# Mock dependencies
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {"vct": "IdentityCredential"}
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supported.vc_additional_data = {"sd_list": []}
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ex_record = MagicMock(spec=OID4VCIExchangeRecord)
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ex_record.credential_subject = {}
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ex_record.verification_method = "did:example:issuer#key-1"
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pop = MagicMock(spec=PopResult)
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pop.holder_kid = "did:example:holder#key-1"
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pop.holder_jwk = None
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context = MagicMock(spec=AdminRequestContext)
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# We need to mock the SDJWTIssuer to avoid actual JWT operations
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with patch("sd_jwt_vc.cred_processor.SDJWTIssuer") as mock_issuer_cls:
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mock_issuer = mock_issuer_cls.return_value
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mock_issuer.sd_jwt_payload = "mock_payload"
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# We also need to mock jwt_sign
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with patch(
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"sd_jwt_vc.cred_processor.jwt_sign", return_value="mock_signed_jwt"
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):
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# Case 1: No vct in body -> Should pass validation
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body_no_vct = {}
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try:
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await processor.issue(
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body_no_vct, supported, ex_record, pop, context
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)
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except CredProcessorError as e:
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pytest.fail(
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f"Should not raise CredProcessorError for missing vct: {e}"
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)
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except Exception as e:
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# If it fails for other reasons, we might need to mock more
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print(
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f"Caught expected exception during execution (not validation failure): {e}"
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)
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# Case 2: Matching vct -> Should pass validation
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body_match_vct = {"vct": "IdentityCredential"}
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try:
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await processor.issue(
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body_match_vct, supported, ex_record, pop, context
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)
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except CredProcessorError as e:
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pytest.fail(
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f"Should not raise CredProcessorError for matching vct: {e}"
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)
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except Exception as e:
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print(
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f"Caught expected exception during execution (not validation failure): {e}"
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)
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# Case 3: Mismatching vct -> Should raise CredProcessorError
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body_mismatch_vct = {"vct": "WrongCredential"}
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with pytest.raises(
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CredProcessorError, match="Requested vct does not match offer"
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):
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await processor.issue(
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body_mismatch_vct, supported, ex_record, pop, context
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)
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class TestValidateCredentialSubject:
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"""Tests for validate_credential_subject method."""
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def test_valid_subject_with_all_claims(self):
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"""Test validation passes when all mandatory claims are present."""
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processor = SdJwtCredIssueProcessor()
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {
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"vct": "IdentityCredential",
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"claims": {
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"given_name": {"mandatory": True},
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"family_name": {"mandatory": True},
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"email": {"mandatory": False},
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},
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}
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supported.vc_additional_data = {"sd_list": ["/given_name", "/family_name"]}
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subject = {
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"given_name": "John",
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"family_name": "Doe",
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"email": "john@example.com",
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}
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# Should not raise
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processor.validate_credential_subject(supported, subject)
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def test_missing_mandatory_sd_claim(self):
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"""Test validation fails when mandatory SD claim is missing."""
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processor = SdJwtCredIssueProcessor()
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {
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"vct": "IdentityCredential",
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"claims": {
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"given_name": {"mandatory": True},
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"family_name": {"mandatory": True},
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},
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}
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supported.vc_additional_data = {"sd_list": ["/given_name", "/family_name"]}
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subject = {"given_name": "John"} # Missing family_name
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with pytest.raises(CredProcessorError, match="mandatory claim.*missing"):
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processor.validate_credential_subject(supported, subject)
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def test_missing_mandatory_non_sd_claim(self):
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"""Test validation fails when mandatory non-SD claim is missing."""
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processor = SdJwtCredIssueProcessor()
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {
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"vct": "IdentityCredential",
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"claims": {
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"given_name": {"mandatory": True}, # Not in sd_list
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"family_name": {"mandatory": False},
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},
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}
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supported.vc_additional_data = {"sd_list": []} # No SD claims
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subject = {"family_name": "Doe"} # Missing mandatory given_name
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with pytest.raises(CredProcessorError, match="mandatory claim.*missing"):
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processor.validate_credential_subject(supported, subject)
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def test_optional_claims_can_be_missing(self):
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"""Test validation passes when only optional claims are missing."""
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processor = SdJwtCredIssueProcessor()
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {
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"vct": "IdentityCredential",
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"claims": {
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"given_name": {"mandatory": True},
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"middle_name": {"mandatory": False},
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"nickname": {}, # No mandatory field = optional
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},
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}
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supported.vc_additional_data = {"sd_list": ["/given_name"]}
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subject = {"given_name": "John"} # middle_name and nickname missing
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# Should not raise
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processor.validate_credential_subject(supported, subject)
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def test_iat_claim_skipped(self):
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"""Test that /iat is skipped even if in sd_list."""
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processor = SdJwtCredIssueProcessor()
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {
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"vct": "IdentityCredential",
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"claims": {
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"iat": {"mandatory": True},
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},
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}
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supported.vc_additional_data = {"sd_list": ["/iat"]}
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subject = {} # iat not in subject (it's added during issue)
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# Should not raise - /iat is explicitly skipped
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processor.validate_credential_subject(supported, subject)
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def test_nested_mandatory_claim(self):
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"""Test validation of nested mandatory claims."""
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processor = SdJwtCredIssueProcessor()
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {
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"vct": "IdentityCredential",
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"claims": {
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"address": {
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"mandatory": True,
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"claims": {
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"street": {"mandatory": True},
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"city": {"mandatory": False},
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},
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},
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},
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}
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supported.vc_additional_data = {"sd_list": []}
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# Missing nested mandatory claim
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subject = {"address": {"city": "New York"}} # Missing street
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with pytest.raises(CredProcessorError, match="mandatory claim.*missing"):
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processor.validate_credential_subject(supported, subject)
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def test_nested_claim_present(self):
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"""Test validation passes with nested mandatory claims present."""
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processor = SdJwtCredIssueProcessor()
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {
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"vct": "IdentityCredential",
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"claims": {
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"address": {
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"mandatory": True,
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"claims": {
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"street": {"mandatory": True},
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"city": {"mandatory": False},
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},
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},
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},
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}
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supported.vc_additional_data = {"sd_list": []}
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subject = {"address": {"street": "123 Main St", "city": "New York"}}
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# Should not raise
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processor.validate_credential_subject(supported, subject)
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def test_no_claims_metadata(self):
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"""Test validation with no claims metadata defined."""
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processor = SdJwtCredIssueProcessor()
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {"vct": "IdentityCredential"} # No claims
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supported.vc_additional_data = {"sd_list": ["/given_name"]}
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subject = {"given_name": "John"}
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# Should not raise - no metadata means no mandatory checks
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processor.validate_credential_subject(supported, subject)
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def test_empty_sd_list(self):
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"""Test validation with empty sd_list but mandatory claims in metadata."""
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processor = SdJwtCredIssueProcessor()
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {
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"vct": "IdentityCredential",
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"claims": {
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"given_name": {"mandatory": True},
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"family_name": {"mandatory": True},
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},
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}
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supported.vc_additional_data = {"sd_list": []}
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subject = {"given_name": "John", "family_name": "Doe"}
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# Should not raise
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processor.validate_credential_subject(supported, subject)
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def test_mixed_sd_and_non_sd_mandatory_claims(self):
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"""Test validation with both SD and non-SD mandatory claims."""
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processor = SdJwtCredIssueProcessor()
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supported = MagicMock(spec=SupportedCredential)
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supported.format_data = {
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"vct": "IdentityCredential",
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"claims": {
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"given_name": {"mandatory": True}, # In SD list
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"family_name": {"mandatory": True}, # Not in SD list
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"email": {"mandatory": False},
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},
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}
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supported.vc_additional_data = {"sd_list": ["/given_name"]}
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# All mandatory claims present
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subject = {"given_name": "John", "family_name": "Doe"}
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processor.validate_credential_subject(supported, subject)
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# Missing SD mandatory claim
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subject_missing_sd = {"family_name": "Doe"}
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with pytest.raises(CredProcessorError, match="mandatory claim.*missing"):
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processor.validate_credential_subject(supported, subject_missing_sd)
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# Missing non-SD mandatory claim
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subject_missing_non_sd = {"given_name": "John"}
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with pytest.raises(CredProcessorError, match="mandatory claim.*missing"):
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processor.validate_credential_subject(supported, subject_missing_non_sd)

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