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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::CryptoHelper do
describe '.sha256' do
it 'generates SHA256 digest Base46 encoded' do
digest = described_class.sha256('some-value')
expect(digest).to match %r{\A[A-Za-z0-9+/=]+\z}
expect(digest).to eq digest.strip
end
end
describe '.aes256_gcm_encrypt' do
it 'is Base64 encoded string without new line character' do
encrypted = described_class.aes256_gcm_encrypt('some-value')
expect(encrypted).to match %r{\A[A-Za-z0-9+/=]+\z}
expect(encrypted).not_to include "\n"
end
end
describe '.aes256_gcm_decrypt' do
let(:encrypted) { described_class.aes256_gcm_encrypt('some-value') }
it 'correctly decrypts encrypted string' do
decrypted = described_class.aes256_gcm_decrypt(encrypted)
expect(decrypted).to eq 'some-value'
end
it 'decrypts a value when it ends with a new line character' do
decrypted = described_class.aes256_gcm_decrypt(encrypted + "\n")
expect(decrypted).to eq 'some-value'
end
end
end
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