fix: cordapy response parsing

src/mcp_cordra/client.py

@@ -54,9 +54,8 @@ class CordraClient:
             CordraClientError: For other API errors
         """
         try:
-            # Use CordraPy to read the object
-            cordra_obj = cordra.CordraObject.read(
-                host=self.config.cordra_url,  # type: ignore
+            cordra_obj: dict[str, Any] = cordra.CordraObject.read(
+                host=self.config.cordra_url,  #type: ignore
                 obj_id=object_id,
                 username=self.config.username,
                 password=self.config.password,
@@ -66,11 +65,11 @@ class CordraClient:
 
             return DigitalObject(
                 id=object_id,
-                type=getattr(cordra_obj, 'type', ''),
-                content=getattr(cordra_obj, 'content', {}),
-                metadata=getattr(cordra_obj, 'metadata', None),
-                acl=getattr(cordra_obj, 'acl', None),
-                payloads=getattr(cordra_obj, 'payloads', None),
+                type=cordra_obj['type'],
+                content=cordra_obj['content'],
+                metadata=cordra_obj.get('metadata'),
+                acl=cordra_obj.get('acl'),
+                payloads=cordra_obj.get('payloads'),
             )
 
         except Exception as e:

tests/test_client.py

@@ -1,6 +1,6 @@
 """Unit tests for the Cordra client."""
 
-from unittest.mock import Mock, patch
+from unittest.mock import patch
 
 import pytest
 
@@ -32,27 +32,27 @@ def client(config):
 
 @pytest.fixture
 def mock_cordra_object():
-    """Create a mock CordraObject."""
-    mock_obj = Mock()
-    mock_obj.type = "TestType"
-    mock_obj.content = {"title": "Test Object", "description": "A test object"}
-    mock_obj.metadata = {"created": "2023-01-01", "modified": "2023-01-02"}
-    mock_obj.acl = {"read": ["public"], "write": ["admin"]}
-    mock_obj.payloads = [
-        {
-            "name": "file1.txt",
-            "filename": "file1.txt",
-            "size": 1024,
-            "mediaType": "text/plain"
-        },
-        {
-            "name": "file2.pdf", 
-            "filename": "file2.pdf",
-            "size": 2048,
-            "mediaType": "application/pdf"
-        }
-    ]
-    return mock_obj
+    """Create a mock CordraObject response (dictionary)."""
+    return {
+        "type": "TestType",
+        "content": {"title": "Test Object", "description": "A test object"},
+        "metadata": {"created": "2023-01-01", "modified": "2023-01-02"},
+        "acl": {"read": ["public"], "write": ["admin"]},
+        "payloads": [
+            {
+                "name": "file1.txt",
+                "filename": "file1.txt",
+                "size": 1024,
+                "mediaType": "text/plain"
+            },
+            {
+                "name": "file2.pdf", 
+                "filename": "file2.pdf",
+                "size": 2048,
+                "mediaType": "application/pdf"
+            }
+        ]
+    }
 
 
 class TestDigitalObject: