1 files changed, 46 insertions, 0 deletions
diff --git a/spec/services/jira_connect/create_asymmetric_jwt_service_spec.rb b/spec/services/jira_connect/create_asymmetric_jwt_service_spec.rb
new file mode 100644
index 00000000000..f5359e5b643
--- /dev/null
+++ b/spec/services/jira_connect/create_asymmetric_jwt_service_spec.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe JiraConnect::CreateAsymmetricJwtService do
+  describe '#execute' do
+    let_it_be(:jira_connect_installation) { create(:jira_connect_installation) }
+
+    let(:service) { described_class.new(jira_connect_installation) }
+
+    subject(:jwt_token) { service.execute }
+
+    it 'raises an error' do
+      expect { jwt_token }.to raise_error(ArgumentError, 'jira_connect_installation is not a proxy installation')
+    end
+
+    context 'with proxy installation' do
+      let_it_be(:jira_connect_installation) { create(:jira_connect_installation, instance_url: 'https://gitlab.test') }
+
+      let(:public_key_id) { Atlassian::Jwt.decode(jwt_token, nil, false, algorithm: 'RS256').last['kid'] }
+      let(:public_key_cdn) { 'https://gitlab.com/-/jira_connect/public_keys/' }
+      let(:jwt_verification_claims) do
+        {
+          aud: 'https://gitlab.test/-/jira_connect',
+          iss: jira_connect_installation.client_key,
+          qsh: Atlassian::Jwt.create_query_string_hash('https://gitlab.test/-/jira_connect/events/installed', 'POST', 'https://gitlab.test/-/jira_connect')
+        }
+      end
+
+      subject(:jwt_token) { service.execute }
+
+      it 'stores the public key' do
+        expect { JiraConnect::PublicKey.find(public_key_id) }.not_to raise_error
+      end
+
+      it 'is produces a valid JWT' do
+        public_key = OpenSSL::PKey.read(JiraConnect::PublicKey.find(public_key_id).key)
+        options = jwt_verification_claims.except(:qsh).merge({ verify_aud: true, verify_iss: true, algorithm: 'RS256' })
+
+        decoded_token = Atlassian::Jwt.decode(jwt_token, public_key, true, options).first
+
+        expect(decoded_token).to eq(jwt_verification_claims.stringify_keys)
+      end
+    end
+  end
+end