make range_exprs_to_hoc public

Author: anilbey

bluepyopt/ephys/create_hoc.py

@@ -98,7 +98,7 @@ def generate_reinitrng(mechs) -> str:
     return reinitrng_content
 
 
-def _range_exprs_to_hoc(range_params):
+def range_exprs_to_hoc(range_params):
     """Process raw range parameters to hoc strings"""
 
     ret = []
@@ -330,7 +330,7 @@ def create_hoc(mechs,
     del template_params['pprocess_params']
     del template_params['point_channels']
 
-    template_params['range_params'] = _range_exprs_to_hoc(
+    template_params['range_params'] = range_exprs_to_hoc(
         template_params['range_params']
     )
     re_init_rng = generate_reinitrng(mechs)

bluepyopt/tests/test_ephys/test_create_hoc.py

@@ -4,12 +4,14 @@
 
 import os
 
+from bluepyopt.ephys.acc import ArbLabel
+from bluepyopt.ephys.parameterscalers import NrnSegmentSomaDistanceScaler
+
 from . import utils
-from bluepyopt.ephys import create_hoc
+from bluepyopt.ephys import create_acc, create_hoc
 
 
 import pytest
-import numpy
 
 DEFAULT_LOCATION_ORDER = [
     'all',
@@ -127,3 +129,25 @@ def test_generate_reinitrng():
     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
+
+
+@pytest.mark.unit
+def test_range_exprs_to_hoc():
+    """ephys.create_hoc: Test range_exprs_to_hoc"""
+    apical_region = ArbLabel("region", "apic", "(tag 4)")
+    param_scaler = NrnSegmentSomaDistanceScaler(
+        name='soma-distance-scaler',
+        distribution='(-0.8696 + 2.087*math.exp(({distance})*0.0031))*{value}'
+    )
+
+    range_expr = create_acc.RangeExpr(
+        location=apical_region,
+        name="gkbar_hh",
+        value=0.025,
+        value_scaler=param_scaler
+    )
+
+    hoc = create_hoc.range_exprs_to_hoc([range_expr])
+    assert hoc[0].param_name == 'gkbar_hh'
+    val_gt = '(-0.8696 + 2.087*exp((%.17g)*0.0031))*0.025000000000000001'
+    assert hoc[0].value == val_gt