fix: Handle that no keys in reqstool_config are required

src/reqstool/reqstool_config/reqstool_config.py

@@ -10,37 +10,44 @@ class Resources:
     software_verification_cases: Optional[str] = field(default=None)
     manual_verification_results: Optional[str] = field(default=None)
     annotations: Optional[str] = field(default=None)
-    test_results: List[str] = field(default_factory=lambda: [])
+    test_results: List[str] = field(default=None)
 
 
 @dataclass
 class ReqstoolConfig:
-    language: str
-    build: str
-    resources: Resources
+    language: Optional[str] = field(default=None)
+    build: Optional[str] = field(default=None)
+    resources: Optional[Resources] = field(default_factory=lambda: Resources())
 
     @staticmethod
     def _parse(yaml_data: dict) -> "ReqstoolConfig":
+        if not yaml_data:
+            return ReqstoolConfig()
+
         r_language = yaml_data.get("language", None)
         r_build = yaml_data.get("build", None)
 
         # Parse resources
-        resources_data = yaml_data["resources"]
-        r_resources = Resources(
-            requirements=(resources_data["requirements"] if "requirements" in resources_data else None),
-            software_verification_cases=(
-                resources_data["software_verification_cases"]
-                if "software_verification_cases" in resources_data
-                else None
-            ),
-            manual_verification_results=(
-                resources_data["manual_verification_results"]
-                if "manual_verification_results" in resources_data
-                else None
-            ),
-            annotations=resources_data["annotations"] if "annotations" in resources_data else None,
-            test_results=resources_data["test_results"] if "test_results" in resources_data else None,
-        )
+        resources_data = yaml_data.get("resources", None)
+
+        if not resources_data:
+            r_resources = Resources()
+        else:
+            r_resources = Resources(
+                requirements=(resources_data["requirements"] if "requirements" in resources_data else None),
+                software_verification_cases=(
+                    resources_data["software_verification_cases"]
+                    if "software_verification_cases" in resources_data
+                    else None
+                ),
+                manual_verification_results=(
+                    resources_data["manual_verification_results"]
+                    if "manual_verification_results" in resources_data
+                    else None
+                ),
+                annotations=resources_data["annotations"] if "annotations" in resources_data else None,
+                test_results=resources_data["test_results"] if "test_results" in resources_data else None,
+            )
 
         return ReqstoolConfig(
             language=r_language,

tests/unit/reqstool/reqstool_config/test_reqstool_config.py

@@ -27,10 +27,6 @@ def rc_yaml_index_all() -> dict:
 @fixture
 def rc_yaml_index_minimal() -> dict:
     YAML_STR = """
-    resources:
-        annotations: build/reqstool/annotations.yml
-        test_results:
-            - build/junit.xml
     """
     yaml = YAML(typ="safe")
     data = yaml.load(YAML_STR)
@@ -60,6 +56,5 @@ def test_minimal(rc_yaml_index_minimal):
     assert rc.resources.requirements is None
     assert rc.resources.software_verification_cases is None
     assert rc.resources.manual_verification_results is None
-    assert rc.resources.annotations == "build/reqstool/annotations.yml"
-    assert len(rc.resources.test_results) == 1
-    assert "build/junit.xml" in rc.resources.test_results
+    assert rc.resources.annotations is None
+    assert rc.resources.test_results is None