1 files changed, 59 insertions, 0 deletions
diff --git a/spec/requests/jira_connect/cors_preflight_checks_controller_spec.rb b/spec/requests/jira_connect/cors_preflight_checks_controller_spec.rb
new file mode 100644
index 00000000000..d441a8575d0
--- /dev/null
+++ b/spec/requests/jira_connect/cors_preflight_checks_controller_spec.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe JiraConnect::CorsPreflightChecksController do
+  shared_examples 'allows cross-origin requests on self managed' do
+    it 'renders not found' do
+      options path
+
+      expect(response).to have_gitlab_http_status(:not_found)
+      expect(response.headers['Access-Control-Allow-Origin']).to be_nil
+    end
+
+    context 'with jira_connect_proxy_url setting' do
+      before do
+        stub_application_setting(jira_connect_proxy_url: 'https://gitlab.com')
+
+        options path, headers: { 'Origin' => 'http://notgitlab.com' }
+      end
+
+      it 'returns 200' do
+        expect(response).to have_gitlab_http_status(:ok)
+      end
+
+      it 'responds with access-control-allow headers', :aggregate_failures do
+        expect(response.headers['Access-Control-Allow-Origin']).to eq 'https://gitlab.com'
+        expect(response.headers['Access-Control-Allow-Methods']).to eq allowed_methods
+        expect(response.headers['Access-Control-Allow-Credentials']).to be_nil
+      end
+
+      context 'when on GitLab.com' do
+        before do
+          allow(Gitlab).to receive(:com?).and_return(true)
+        end
+
+        it 'renders not found' do
+          options path
+
+          expect(response).to have_gitlab_http_status(:not_found)
+          expect(response.headers['Access-Control-Allow-Origin']).to be_nil
+        end
+      end
+    end
+  end
+
+  describe 'OPTIONS /-/jira_connect/oauth_application_id' do
+    let(:allowed_methods) { 'GET, OPTIONS' }
+    let(:path) { '/-/jira_connect/oauth_application_id' }
+
+    it_behaves_like 'allows cross-origin requests on self managed'
+  end
+
+  describe 'OPTIONS /-/jira_connect/subscriptions/:id' do
+    let(:allowed_methods) { 'DELETE, OPTIONS' }
+    let(:path) { '/-/jira_connect/subscriptions/123' }
+
+    it_behaves_like 'allows cross-origin requests on self managed'
+  end
+end