maternal_grandfather_brother_mate,
sex = Sex.Male)
maternal_grandfather_brother_son_mate = Node(sex = Sex.Female)
father = Node(paternal_grandfather, paternal_grandmother, sex = Sex.Male)
parent_generation = Generation([mother, father, maternal_uncle,
maternal_uncle_mate,
maternal_grandfather_brother_son,
maternal_grandfather_brother_son_mate])
child = Node(father, mother)
cousin = Node(maternal_uncle, maternal_uncle_mate)
second_cousin = Node(maternal_grandfather_brother_son,
maternal_grandfather_brother_son_mate)
current_generation = Generation([child, cousin, second_cousin])
population._generations = [greatgrandparent_generation, grandparent_generation,
parent_generation, current_generation]
kinship = population.kinship_coefficients
def test_kinship(person_1, person_2, expected):
key = (person_1, person_2)
assert kinship[key] == expected, ERROR_STRING.format(expected, kinship[key])
test_kinship(child, mother, 0.25)
test_kinship(child, father, 0.25)
test_kinship(child, maternal_grandfather, 1/8)
test_kinship(child, paternal_grandfather, 1/8)
test_kinship(child, maternal_grandmother, 1/8)
test_kinship(child, paternal_grandmother, 1/8)
test_kinship(child, maternal_uncle, 1/8)
