def test_add_parent(self):
# Adding a parent should mutate the parents on self and the children on the parent
communication = Competency(identifier='123', name='communication', categories=['social skills'])
listening = Competency(identifier='456', name='listening', categories=['social skills'])
communication.add_parent(listening)
assert listening in communication.parents
assert communication in listening.children
def test_add_competency_merge(self):
# Should be able to add an competency that already exists, and it will merge the attributes
# Should be able to add a competency to an ontology
first_child = Competency(identifier='123', name='writing blog posts')
parent_competency = Competency(identifier='12', name='communication')
first_child.add_parent(parent_competency)
ontology = CompetencyOntology()
ontology.add_competency(first_child)
ontology.add_competency(parent_competency)
parent_competency = Competency(identifier='12', name='communication')
second_child = Competency(identifier='124', name='public speaking')
second_child.add_parent(parent_competency)
ontology.add_competency(second_child)
ontology.add_competency(parent_competency)
assert len(ontology.competencies) == 3
assert len(list(ontology.filter_by(lambda edge: edge.competency.identifier == '12').competencies)[0].children) == 2
