Fail the test when partial credit is set to 0 (fixes #19)

Author: ChrisMayfield

CHANGELOG.md

@@ -13,6 +13,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `get_source_tree` function in audit.py
 - `name_date` function in common.py
 
+### Fixed
+
+- fail test if partial credit is set to 0 (#19)
+
 ### Changed
 
 - ignore other files if ADDITIONAL_FILES is None

jmu_pytest_utils/plugin.py

@@ -105,16 +105,16 @@ def pytest_sessionfinish(session: pytest.Session, exitstatus: int) -> None:
         # max_score is set by the @weight() decorator
         weight = getattr(test_function, "weight", 0)
         # score can be set manually for partial credit
-        score = getattr(test_function, "score", 0)
-        if not score:
+        score = getattr(test_function, "score", None)
+        if score is None:
             # The default score is all or nothing
             if any(r.failed for r in reports):
                 score = 0
             else:
                 score = weight
         # Show score only if not 0/0 points (blue)
         if score or weight:
-            total_score += score
+            total_score = score
             test["score"] = score
             test["max_score"] = weight