1 files changed, 97 insertions, 0 deletions
diff --git a/spec/lib/atlassian/jira_connect/jwt/symmetric_spec.rb b/spec/lib/atlassian/jira_connect/jwt/symmetric_spec.rb
new file mode 100644
index 00000000000..61adff7e221
--- /dev/null
+++ b/spec/lib/atlassian/jira_connect/jwt/symmetric_spec.rb
@@ -0,0 +1,97 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Atlassian::JiraConnect::Jwt::Symmetric do
+  let(:shared_secret) { 'secret' }
+
+  describe '#iss_claim' do
+    let(:jwt) { Atlassian::Jwt.encode({ iss: '123' }, shared_secret) }
+
+    subject { described_class.new(jwt).iss_claim }
+
+    it { is_expected.to eq('123') }
+
+    context 'invalid JWT' do
+      let(:jwt) { '123' }
+
+      it { is_expected.to eq(nil) }
+    end
+  end
+
+  describe '#sub_claim' do
+    let(:jwt) { Atlassian::Jwt.encode({ sub: '123' }, shared_secret) }
+
+    subject { described_class.new(jwt).sub_claim }
+
+    it { is_expected.to eq('123') }
+
+    context 'invalid JWT' do
+      let(:jwt) { '123' }
+
+      it { is_expected.to eq(nil) }
+    end
+  end
+
+  describe '#valid?' do
+    subject { described_class.new(jwt).valid?(shared_secret) }
+
+    context 'invalid JWT' do
+      let(:jwt) { '123' }
+
+      it { is_expected.to eq(false) }
+    end
+
+    context 'valid JWT' do
+      let(:jwt) { Atlassian::Jwt.encode({}, shared_secret) }
+
+      it { is_expected.to eq(true) }
+    end
+  end
+
+  describe '#verify_qsh_claim' do
+    let(:jwt) { Atlassian::Jwt.encode({ qsh: qsh_claim }, shared_secret) }
+    let(:qsh_claim) do
+      Atlassian::Jwt.create_query_string_hash('https://gitlab.test/subscriptions', 'GET', 'https://gitlab.test')
+    end
+
+    subject(:verify_qsh_claim) do
+      described_class.new(jwt).verify_qsh_claim('https://gitlab.test/subscriptions', 'GET', 'https://gitlab.test')
+    end
+
+    it { is_expected.to eq(true) }
+
+    context 'qsh does not match' do
+      let(:qsh_claim) do
+        Atlassian::Jwt.create_query_string_hash('https://example.com/foo', 'POST', 'https://example.com')
+      end
+
+      it { is_expected.to eq(false) }
+    end
+
+    context 'creating query string hash raises an error' do
+      let(:qsh_claim) { '123' }
+
+      specify do
+        expect(Atlassian::Jwt).to receive(:create_query_string_hash).and_raise(StandardError)
+
+        expect(verify_qsh_claim).to eq(false)
+      end
+    end
+  end
+
+  describe '#verify_context_qsh_claim' do
+    let(:jwt) { Atlassian::Jwt.encode({ qsh: qsh_claim }, shared_secret) }
+    let(:qsh_claim) { 'context-qsh' }
+
+    subject(:verify_context_qsh_claim) { described_class.new(jwt).verify_context_qsh_claim }
+
+    it { is_expected.to eq(true) }
+
+    context 'jwt does not contain a context qsh' do
+      let(:qsh_claim) { '123' }
+
+      it { is_expected.to eq(false) }
+    end
+  end
+end