# Copyright (c) 2015, Ecole Polytechnique Federale de Lausanne, Blue Brain Project
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'''Test neurom._bifurcationfunc functionality'''

from nose import tools as nt
from neurom.core import Section, Neurite
from neurom.fst import _bifurcationfunc as bf
from neurom.core import Tree, iter_neurites, iter_sections
from neurom.fst._neuritefunc import map_sections

s0 = Section(42)
s1 = s0.add_child(Section(42))
s2 = s0.add_child(Section(42))
s3 = s0.add_child(Section(42))
s4 = s1.add_child(Section(42))
s5 = s1.add_child(Section(42))
s6 = s4.add_child(Section(42))
s7 = s4.add_child(Section(42))

test_neurite = Neurite(s0)

def test_bifurcation_partition():
    nt.ok_(map(bf.bifurcation_partition, iter_sections(Neurite(s0), iterator_type=Tree.ibifurcation_point)) == [3.0, 1.0])
    try:
        map(bf.bifurcation_partition, iter_sections(Neurite(s0), iterator_type=Tree.ileaf))
        nt.ok_(False)
    except:
        nt.ok_(True)

def test_partition_asymmetry():
    nt.ok_(map(bf.partition_asymmetry, iter_sections(Neurite(s0), iterator_type=Tree.ibifurcation_point)) == [0.5, 0.0])
    try:
        map(bf.partition_asymmetry, iter_sections(Neurite(s0), iterator_type=Tree.ileaf))
        nt.ok_(False)
    except:
        nt.ok_(True)




Add tests for partition functions in bifurcationfunct level