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# frozen_string_literal: true
require_relative '../lib/family_tree'
require_relative '../lib/person'
require_relative '../lib/family'
RSpec.describe FamilyTree do
let(:mother) { Person.new('Jane', Gender::FEMALE) }
let(:father) { Person.new('John', Gender::MALE) }
let(:child1) { Person.new('Anna', Gender::FEMALE) }
let(:child2) { Person.new('Bob', Gender::MALE) }
let(:family) { Family.new(mother, father, [child1, child2]) }
before do
# Reset FamilyTree singleton before each test
FamilyTree.instance.families.clear
end
describe '#add_family' do
it 'adds a family to the family list' do
FamilyTree.instance.add_family(family)
expect(FamilyTree.instance.families).to include(family)
end
it 'does not add a duplicate family' do
FamilyTree.instance.add_family(family)
FamilyTree.instance.add_family(family)
expect(FamilyTree.instance.families.count).to eq(1)
end
end
describe '#add_child' do
before do
FamilyTree.instance.add_family(family)
end
context 'when the mother is present' do
it 'adds a child to the family' do
result = FamilyTree.instance.add_child(mother.name, 'Charlie', Gender::FEMALE)
expect(result).to eq('CHILD_ADDED')
expect(family.children.last.name).to eq('Charlie')
end
it 'does not add a duplicate child' do
FamilyTree.instance.add_child(mother.name, 'Charlie', Gender::FEMALE)
result = FamilyTree.instance.add_child(mother.name, 'Charlie', Gender::FEMALE)
expect(result).to eq('CHILD_ADDITION_FAILED')
expect(family.children.count { |child| child.name.casecmp('Charlie').zero? }).to eq(1)
end
end
context 'when the mother is not present' do
it 'returns CHILD_ADDITION_FAILED' do
FamilyTree.instance.families.clear # Remove existing families
result = FamilyTree.instance.add_child('Unknown Mother', 'Charlie', Gender::FEMALE)
expect(result).to eq('CHILD_ADDITION_FAILED')
end
end
end
describe '#get_relationship' do
before do
FamilyTree.instance.add_family(family)
end
context 'when finding mother' do
it 'returns the mother if present' do
result = FamilyTree.instance.get_relationship('Anna', 'mother')
expect(result).to eq(mother.name)
end
it 'returns PERSON_NOT_FOUND if the person has no mother' do
orphan_family = Family.new(NilPerson.new, father, [child1])
FamilyTree.instance.families.clear
FamilyTree.instance.add_family(orphan_family)
result = FamilyTree.instance.get_relationship('Anna', 'mother')
expect(result).to eq('PERSON_NOT_FOUND')
end
end
context 'when finding father' do
it 'returns father\'s name if present' do
result = FamilyTree.instance.get_relationship('Anna', 'father')
expect(result).to eq(father.name)
end
it 'returns PERSON_NOT_FOUND if the person has no father' do
orphan_family = Family.new(mother, NilPerson.new, [child1])
FamilyTree.instance.families.clear
FamilyTree.instance.add_family(orphan_family)
result = FamilyTree.instance.get_relationship('Anna', 'father')
expect(result).to eq('PERSON_NOT_FOUND')
end
end
context 'when finding siblings' do
it 'returns the sibling\'s name if present' do
result = FamilyTree.instance.get_relationship('Anna', 'siblings')
expect(result).to eq(child2.name)
end
it 'returns NONE if there are no siblings' do
single_child_family = Family.new(mother, father, [child1])
FamilyTree.instance.families.clear
FamilyTree.instance.add_family(single_child_family)
result = FamilyTree.instance.get_relationship('Anna', 'siblings')
expect(result).to eq('NONE')
end
end
context 'when relationship type is invalid' do
it 'returns UNSUPPORTED_RELATIONSHIP' do
result = FamilyTree.instance.get_relationship('Anna', 'uncle')
expect(result).to eq('UNSUPPORTED_RELATIONSHIP')
end
end
end
end
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