def test_det_parallelism_mocked(self):
"""Test det_parallelism function (with mocked ulimit/get_avail_core_count)."""
orig_get_avail_core_count = st.get_avail_core_count
# mock number of available cores to 8
st.get_avail_core_count = lambda: 8
self.assertTrue(det_parallelism(), 8)
# make 'ulimit -u' return '40', which should result in default (max) parallelism of 4 ((40-15)/6)
st.run_cmd = mocked_run_cmd
self.assertTrue(det_parallelism(), 4)
self.assertTrue(det_parallelism(par=6), 4)
self.assertTrue(det_parallelism(maxpar=2), 2)
st.get_avail_core_count = orig_get_avail_core_count
def test_det_parallelism_mocked(self):
"""Test det_parallelism function (with mocked ulimit/get_avail_core_count)."""
orig_get_avail_core_count = st.get_avail_core_count
# mock number of available cores to 8
st.get_avail_core_count = lambda: 8
self.assertTrue(det_parallelism(), 8)
# make 'ulimit -u' return '40', which should result in default (max) parallelism of 4 ((40-15)/6)
st.run_cmd = mocked_run_cmd
self.assertTrue(det_parallelism(), 4)
self.assertTrue(det_parallelism(par=6), 4)
self.assertTrue(det_parallelism(maxpar=2), 2)
st.get_avail_core_count = orig_get_avail_core_count
def test_det_parallelism_native(self):
"""Test det_parallelism function (native calls)."""
self.assertTrue(det_parallelism() > 0)
# specified parallellism
self.assertEqual(det_parallelism(par=5), 5)
# max parallellism caps
self.assertEqual(det_parallelism(maxpar=1), 1)
self.assertEqual(det_parallelism(16, 1), 1)
self.assertEqual(det_parallelism(par=5, maxpar=2), 2)
self.assertEqual(det_parallelism(par=5, maxpar=10), 5)
def test_det_parallelism_native(self):
"""Test det_parallelism function (native calls)."""
self.assertTrue(det_parallelism() > 0)
# specified parallellism
self.assertEqual(det_parallelism(par=5), 5)
# max parallellism caps
self.assertEqual(det_parallelism(maxpar=1), 1)
self.assertEqual(det_parallelism(16, 1), 1)
self.assertEqual(det_parallelism(par=5, maxpar=2), 2)
self.assertEqual(det_parallelism(par=5, maxpar=10), 5)
def test_det_parallelism_native(self):
"""Test det_parallelism function (native calls)."""
self.assertTrue(det_parallelism(None, None) > 0)
# specified parallellism
self.assertEqual(det_parallelism(5, None), 5)
# max parallellism caps
self.assertEqual(det_parallelism(None, 1), 1)
self.assertEqual(det_parallelism(16, 1), 1)
self.assertEqual(det_parallelism(5, 2), 2)
self.assertEqual(det_parallelism(5, 10), 5)
def test_det_parallelism_native(self):
"""Test det_parallelism function (native calls)."""
self.assertTrue(det_parallelism(None, None) > 0)
# specified parallellism
self.assertEqual(det_parallelism(5, None), 5)
# max parallellism caps
self.assertEqual(det_parallelism(None, 1), 1)
self.assertEqual(det_parallelism(16, 1), 1)
self.assertEqual(det_parallelism(5, 2), 2)
self.assertEqual(det_parallelism(5, 10), 5)