Use cross-platform os.rename instead of system call to cp.

tests/test_basic/test_basic.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_confidence_intervals/test_confidence_intervals.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_density_atombcm/test_density_atombcm.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_density_atomcm3/test_density_atomcm3.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_density_kgm3/test_density_kgm3.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_density_sum/test_density_sum.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_eigenvalue_genperbatch/test_eigenvalue_genperbatch.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_eigenvalue_no_inactive/test_eigenvalue_no_inactive.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_energy_grid/test_energy_grid.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_entropy/test_entropy.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_filter_cell/test_filter_cell.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_filter_cellborn/test_filter_cellborn.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_filter_energy/test_filter_energy.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_filter_energyout/test_filter_energyout.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_filter_group_transfer/test_filter_group_transfer.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_filter_material/test_filter_material.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_filter_mesh_2d/test_filter_mesh_2d.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_filter_mesh_3d/test_filter_mesh_3d.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_filter_universe/test_filter_universe.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_fixed_source/test_fixed_source.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_lattice/test_lattice.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_lattice_multiple/test_lattice_multiple.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_natural_element/test_natural_element.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_output/test_output.py

@@ -29,7 +29,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_particle_restart/test_particle_restart.py

@@ -22,7 +22,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def test_run_restart():

tests/test_ptables_off/test_ptables_off.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_reflective_cone/test_reflective_cone.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_reflective_cylinder/test_reflective_cylinder.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_reflective_plane/test_reflective_plane.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_reflective_sphere/test_reflective_sphere.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_rotation/test_rotation.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_salphabeta/test_salphabeta.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_salphabeta_multiple/test_salphabeta_multiple.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_MT/test_score_MT.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_absorption/test_score_absorption.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_current/test_score_current.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_events/test_score_events.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_fission/test_score_fission.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_flux/test_score_flux.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_kappafission/test_score_kappafission.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_nufission/test_score_nufission.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_nuscatter/test_score_nuscatter.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_scatter/test_score_scatter.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_scatter_n/test_score_scatter_n.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_scatter_pn/test_score_scatter_pn.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_score_total/test_score_total.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_seed/test_seed.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_source_angle_mono/test_source_angle_mono.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_source_energy_maxwell/test_source_energy_maxwell.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_source_energy_mono/test_source_energy_mono.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_source_point/test_source_point.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_statepoint_batch/test_statepoint_batch.py

@@ -25,7 +25,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_statepoint_interval/test_statepoint_interval.py

@@ -28,7 +28,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_statepoint_restart/test_statepoint_restart.py

@@ -21,7 +21,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def test_restart_form1():
@@ -36,7 +36,7 @@ def test_results_form1():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def test_restart_form2():
@@ -51,7 +51,7 @@ def test_results_form2():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_statepoint_sourcesep/test_statepoint_sourcesep.py

@@ -24,7 +24,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_survival_biasing/test_survival_biasing.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_tally_assumesep/test_tally_assumesep.py

@@ -26,7 +26,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_trace/test_trace.py

@@ -25,7 +25,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_translation/test_translation.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_uniform_fs/test_uniform_fs.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_universe/test_universe.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():

tests/test_void/test_void.py

@@ -23,7 +23,7 @@ def test_results():
     os.system('python results.py')
     compare = filecmp.cmp('results_test.dat', 'results_true.dat')
     if not compare:
-      os.system('cp results_test.dat results_error.dat')
+      os.rename('results_test.dat', 'results_error.dat')
     assert compare
 
 def teardown():