chore: Add specs for stripe Webhooks endpoint (#5087)

spec/enterprise/controllers/enterprise/webooks/stripe_controller_spec.rb

@@ -0,0 +1,26 @@
+require 'rails_helper'
+
+RSpec.describe 'Enterprise::Webhooks::StripeController', type: :request do
+  describe 'POST /enterprise/webhooks/stripe' do
+    let(:params) { { content: 'hello' } }
+
+    it 'call the Enterprise::Billing::HandleStripeEventService with the params' do
+      handle_stripe = double
+      allow(Stripe::Webhook).to receive(:construct_event).and_return(params)
+      allow(Enterprise::Billing::HandleStripeEventService).to receive(:new).and_return(handle_stripe)
+      allow(handle_stripe).to receive(:perform)
+      post '/enterprise/webhooks/stripe', headers: { 'Stripe-Signature': 'test' }, params: params
+      expect(handle_stripe).to have_received(:perform).with(event: params)
+    end
+
+    it 'returns a bad request if the headers are missing' do
+      post '/enterprise/webhooks/stripe', params: params
+      expect(response).to have_http_status(:bad_request)
+    end
+
+    it 'returns a bad request if the headers are invalid' do
+      post '/enterprise/webhooks/stripe', headers: { 'Stripe-Signature': 'test' }, params: params
+      expect(response).to have_http_status(:bad_request)
+    end
+  end
+end