Skip multipole-related tests if OPENMC_MULTIPOLE_LIBRARY is not set

pytest.ini

@@ -2,3 +2,4 @@
 python_files = test*.py
 python_classes = NoThanks
 filterwarnings = ignore::UserWarning
+addopts = -rs

tests/regression_tests/diff_tally/test.py

@@ -3,6 +3,7 @@
 
 import pandas as pd
 import openmc
+import pytest
 
 from tests.testing_harness import PyAPITestHarness
 
@@ -112,6 +113,9 @@ def _get_results(self):
         return df.to_csv(None, columns=cols, index=False, float_format='%.7e')
 
 
+@pytest.mark.skipif('OPENMC_MULTIPOLE_LIBRARY' not in os.environ,
+                    reason='OPENMC_MULTIPOLE_LIBRARY environment variable '
+                    'must be set')
 def test_diff_tally():
     harness = DiffTallyTestHarness('statepoint.3.h5')
     harness.main()

tests/regression_tests/multipole/test.py

@@ -2,6 +2,7 @@
 
 import openmc
 import openmc.model
+import pytest
 
 from tests.testing_harness import TestHarness, PyAPITestHarness
 
@@ -66,20 +67,16 @@ def make_model():
 
 
 class MultipoleTestHarness(PyAPITestHarness):
-    def execute_test(self):
-        if not 'OPENMC_MULTIPOLE_LIBRARY' in os.environ:
-            raise RuntimeError("The 'OPENMC_MULTIPOLE_LIBRARY' environment "
-                 "variable must be specified for this test.")
-        else:
-            super().execute_test()
-
     def _get_results(self):
         outstr = super()._get_results()
         su = openmc.Summary('summary.h5')
         outstr += str(su.geometry.get_all_cells()[11])
         return outstr
 
 
+@pytest.mark.skipif('OPENMC_MULTIPOLE_LIBRARY' not in os.environ,
+                    reason='OPENMC_MULTIPOLE_LIBRARY environment variable '
+                    'must be set')
 def test_multipole():
     model = make_model()
     harness = MultipoleTestHarness('statepoint.5.h5', model)

tests/unit_tests/test_data_multipole.py

@@ -1,12 +1,15 @@
-#!/usr/bin/env python
-
 import os
 
 import numpy as np
 import pytest
 import openmc.data
 
 
+pytestmark = pytest.mark.skipif(
+    'OPENMC_MULTIPOLE_LIBRARY' not in os.environ,
+    reason='OPENMC_MULTIPOLE_LIBRARY environment variable must be set')
+
+
 @pytest.fixture(scope='module')
 def u235():
     directory = os.environ['OPENMC_MULTIPOLE_LIBRARY']