make generate_reinitrng public

Author: anilbey

bluepyopt/ephys/create_hoc.py

@@ -76,7 +76,7 @@ def _generate_channels_by_location(mechs, location_order, loc_desc):
     return channels, point_channels
 
 
-def _generate_reinitrng(mechs):
+def generate_reinitrng(mechs) -> str:
     """Create re_init_rng function"""
 
     for mech in mechs:
@@ -333,7 +333,7 @@ def create_hoc(mechs,
     template_params['range_params'] = _range_exprs_to_hoc(
         template_params['range_params']
     )
-    re_init_rng = _generate_reinitrng(mechs)
+    re_init_rng = generate_reinitrng(mechs)
 
     if custom_jinja_params is None:
         custom_jinja_params = {}

bluepyopt/tests/test_ephys/test_create_hoc.py

@@ -118,3 +118,12 @@ def test_create_hoc_filename():
     assert 'endtemplate' in hoc
     assert 'Test template' in hoc
     assert custom_param_val in hoc
+
+
+@pytest.mark.unit
+def test_generate_reinitrng():
+    """ephys.create_hoc: Test generate_reinitrng"""
+    mech = utils.make_mech()
+    re_init_rng = create_hoc.generate_reinitrng([mech])
+    assert 'func hash_str() {localobj sf strdef right' in re_init_rng
+    assert ' hash = (hash * 31 + char_int) % (2 ^ 31 - 1)' in re_init_rng