Basic FASP support (#34031)

spec/requests/api/fasp/registrations_spec.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Api::Fasp::Registrations', feature: :fasp do
+  describe 'POST /api/fasp/registration' do
+    subject do
+      post api_fasp_registration_path, params:
+    end
+
+    context 'when given valid data' do
+      let(:params) do
+        {
+          name: 'Test Provider',
+          baseUrl: 'https://newprovider.example.com/fasp',
+          serverId: '123',
+          publicKey: '9qgjOfWRhozWc9dwx5JmbshizZ7TyPBhYk9+b5tE3e4=',
+        }
+      end
+
+      it 'creates a new provider' do
+        expect { subject }.to change(Fasp::Provider, :count).by(1)
+
+        expect(response).to have_http_status 200
+      end
+    end
+
+    context 'when given invalid data' do
+      let(:params) do
+        {
+          name: 'incomplete',
+        }
+      end
+
+      it 'does not create a provider and returns an error code' do
+        expect { subject }.to_not change(Fasp::Provider, :count)
+
+        expect(response).to have_http_status 422
+      end
+    end
+  end
+end