demarches-normaliennes/spec/services/zxcvbn_service_spec.rb

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describe ZxcvbnService do
let(:password) { 'medium-strength-password' }
subject(:service) { ZxcvbnService.new(password) }
describe '#score' do
it 'returns the password complexity score' do
expect(service.score).to eq 3
end
end
describe '#complexity' do
it 'returns the password score, vulnerability and length' do
expect(service.complexity).to eq [3, 'medium, strength, password', 24]
end
end
describe 'caching' do
it 'lazily caches the tester between calls and instances' do
allow(Zxcvbn::Tester).to receive(:new).and_call_original
allow(YAML).to receive(:safe_load).and_call_original
first_service = ZxcvbnService.new('some-password')
first_service.score
first_service.complexity
other_service = ZxcvbnService.new('other-password')
other_service.score
other_service.complexity
expect(Zxcvbn::Tester).to have_received(:new).at_most(:once)
expect(YAML).to have_received(:safe_load).at_most(:once)
end
it 'lazily caches the tester between threads' do
allow(Zxcvbn::Tester).to receive(:new).and_call_original
threads = 1.upto(4).map do
Thread.new do
ZxcvbnService.new(password).score
end
end.map(&:join)
scores = threads.map(&:value)
expect(scores).to eq([3, 3, 3, 3])
expect(Zxcvbn::Tester).to have_received(:new).at_most(:once)
end
end
end