135 lines
4.1 KiB
Ruby
135 lines
4.1 KiB
Ruby
# frozen_string_literal: true
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require 'json'
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require 'active_support/testing/time_helpers'
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RSpec.describe JSONWebToken::HMACToken do
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include ActiveSupport::Testing::TimeHelpers
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let(:secret) { 'shh secret squirrel' }
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shared_examples 'a valid, non-expired token' do
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it 'is an Array with two elements' do
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expect(decoded_token).to be_a(Array)
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expect(decoded_token.count).to eq(2)
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end
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it 'contains the following keys in the first Array element Hash - jti, iat, nbf, exp' do
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expect(decoded_token[0].keys).to include('jti', 'iat', 'nbf', 'exp')
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end
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it 'contains the following keys in the second Array element Hash - typ and alg' do
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expect(decoded_token[1]['typ']).to eql('JWT')
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expect(decoded_token[1]['alg']).to eql('HS256')
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end
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end
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describe '.decode' do
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let(:leeway) { described_class::LEEWAY }
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let(:decoded_token) { described_class.decode(encoded_token, secret, leeway: leeway) }
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context 'with an invalid token' do
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context 'that is junk' do
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let(:encoded_token) { 'junk' }
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it "raises exception saying 'Not enough or too many segments'" do
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expect { decoded_token }.to raise_error(JWT::DecodeError, 'Not enough or too many segments')
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end
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end
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context 'that has been fiddled with' do
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let(:encoded_token) do
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described_class.new(secret).encoded.tap { |token| token[0] = 'E' }
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end
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it "raises exception saying 'Invalid segment encoding'" do
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expect { decoded_token }.to raise_error(JWT::DecodeError, 'Invalid segment encoding')
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end
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end
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context 'that was generated using a different secret' do
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let(:encoded_token) { described_class.new('some other secret').encoded }
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it "raises exception saying 'Signature verification failed" do
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expect { decoded_token }.to raise_error(JWT::VerificationError, 'Signature verification failed')
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end
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end
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context 'that is expired' do
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# Needs the ! so freeze_time() is effective
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let!(:encoded_token) { described_class.new(secret).encoded }
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it "raises exception saying 'Signature has expired'" do
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# Needs to be 120 seconds, because the default expiry is 60 seconds
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# with an additional 60 second leeway.
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travel_to(Time.now + 120) do
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expect { decoded_token }.to raise_error(JWT::ExpiredSignature, 'Signature has expired')
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end
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end
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end
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end
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context 'with a valid token' do
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let(:encoded_token) do
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hmac_token = described_class.new(secret)
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hmac_token.expire_time = Time.now + expire_time
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hmac_token.encoded
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end
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context 'that has expired' do
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let(:expire_time) { 0 }
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around do |example|
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travel_to(Time.now + 1) { example.run }
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end
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context 'with the default leeway' do
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it_behaves_like 'a valid, non-expired token'
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end
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context 'with a leeway of 0 seconds' do
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let(:leeway) { 0 }
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it "raises exception saying 'Signature has expired'" do
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expect { decoded_token }.to raise_error(JWT::ExpiredSignature, 'Signature has expired')
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end
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end
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end
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context 'that has not expired' do
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let(:expire_time) { described_class::DEFAULT_EXPIRE_TIME }
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it_behaves_like 'a valid, non-expired token'
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end
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end
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end
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describe '#encoded' do
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let(:decoded_token) { described_class.decode(encoded_token, secret) }
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context 'without data' do
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let(:encoded_token) { described_class.new(secret).encoded }
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it_behaves_like 'a valid, non-expired token'
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end
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context 'with data' do
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let(:data) { { secret_key: 'secret value' }.to_json }
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let(:encoded_token) do
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ec = described_class.new(secret)
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ec[:data] = data
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ec.encoded
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end
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it_behaves_like 'a valid, non-expired token'
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it "contains the 'data' key in the first Array element Hash" do
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expect(decoded_token[0]).to have_key('data')
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end
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it 'can re-read back the data' do
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expect(decoded_token[0]['data']).to eql(data)
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end
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end
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end
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end
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