Add better error handling for wrong diff format

py-cov-action · Sep 26, 2023 · a3cf05c · a3cf05c
1 parent 08f2d84
commit a3cf05c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/coverage_comment/coverage.py b/coverage_comment/coverage.py
@@ -288,7 +288,8 @@ def parse_diff_output(diff: str) -> dict[pathlib.Path, list[int]]:
             current_file = pathlib.Path(line.removeprefix(added_filename_prefix))
             continue
         if line.startswith("@@"):
-            assert current_file
+            if current_file is None:
+                raise ValueError(f"Unexpected diff output format: \n{diff}")
             lines = parse_line_number_diff_line(line)
             result.setdefault(current_file, []).extend(lines)
             continue