Add tests that __cause__ is populated from the right exception

Parsl · Jan 15, 2025 · e269929 · e269929
1 parent faf4795
commit e269929
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/parsl/tests/test_python_apps/test_fail.py b/parsl/tests/test_python_apps/test_fail.py
@@ -39,6 +39,9 @@ def test_fail_sequence_first():
     assert isinstance(t_final.exception().dependent_exceptions_tids[0][0], DependencyError)
     assert t_final.exception().dependent_exceptions_tids[0][1].startswith("task ")
 
+    assert hasattr(t_final.exception(),'__cause__')
+    assert t_final.exception().__cause__ == t1.exception()
+
 
 def test_fail_sequence_middle():
     t1 = random_fail(fail_prob=0)
@@ -50,3 +53,6 @@ def test_fail_sequence_middle():
 
     assert len(t_final.exception().dependent_exceptions_tids) == 1
     assert isinstance(t_final.exception().dependent_exceptions_tids[0][0], ManufacturedTestFailure)
+
+    assert hasattr(t_final.exception(),'__cause__')
+    assert t_final.exception().__cause__ == t2.exception()