Handle empty nightly pytest reports

Author: soopel

tests/validation/tools/combine_reports.py

@@ -62,9 +62,7 @@ def parse_report_options(values: Iterable[str]) -> Dict[str, Path]:
     mapping: Dict[str, Path] = {}
     for value in values:
         if "=" not in value:
-            raise ValueError(
-                f"Invalid --report option '{value}'. Expected format NIC=PATH."
-            )
+            raise ValueError(f"Invalid --report option '{value}'. Expected format NIC=PATH.")
         nic, raw_path = value.split("=", 1)
         nic = nic.strip()
         if not nic:
@@ -99,22 +97,14 @@ def parse_report(path: Path) -> Dict[Tuple[str, str], str]:
                 test_name = test_name_element.get_text(separator=" ", strip=True)
             else:
                 title_element = test_details.select_one(".title")
-                test_name = (
-                    title_element.get_text(separator=" ", strip=True)
-                    if title_element
-                    else "UNKNOWN"
-                )
-
-            results[(file_path, test_name)] = STATUS_LABELS.get(
-                status_token, STATUS_LABELS["unknown"]
-            )
+                test_name = title_element.get_text(separator=" ", strip=True) if title_element else "UNKNOWN"
+
+            results[(file_path, test_name)] = STATUS_LABELS.get(status_token, STATUS_LABELS["unknown"])
 
     return results
 
 
-def build_dataframe(
-    keys: Iterable[Tuple[str, str]], data: Dict[str, Dict[Tuple[str, str], str]]
-) -> pd.DataFrame:
+def build_dataframe(keys: Iterable[Tuple[str, str]], data: Dict[str, Dict[Tuple[str, str], str]]) -> pd.DataFrame:
     ordered_tests = sorted(set(keys), key=lambda item: (item[0], item[1]))
     rows = []
     nic_columns = list(data.keys())
@@ -156,9 +146,19 @@ def main() -> None:
         print(f"Parsed {len(parsed)} tests for {nic_name} from {report_path}")
 
     if not all_keys:
-        raise RuntimeError("No tests discovered across provided reports.")
-
-    df = build_dataframe(all_keys, parsed_data)
+        print("Warning: No tests discovered across provided reports. Writing placeholder entry.")
+        df = pd.DataFrame(
+            [
+                {
+                    "Test File": "-",
+                    "Test Case": "-",
+                    **{nic: DEFAULT_STATUS for nic in reports.keys()},
+                    "Comments": "No tests discovered across provided reports.",
+                }
+            ]
+        )
+    else:
+        df = build_dataframe(all_keys, parsed_data)
     output_path = args.output
     output_path.parent.mkdir(parents=True, exist_ok=True)
     df.to_excel(output_path, index=False)