Add tests for admin/invites_controller (#7412)

spec/controllers/admin/invites_controller_spec.rb

@@ -0,0 +1,43 @@
+require 'rails_helper'
+
+describe Admin::InvitesController do
+  render_views
+
+  let(:user) { Fabricate(:user, admin: true) }
+
+  before do
+    sign_in user, scope: :user
+  end
+
+  describe 'GET #index' do
+    subject { get :index, params: { available: true } }
+
+    let!(:invite) { Fabricate(:invite) }
+
+    it 'renders index page' do
+      expect(subject).to render_template :index
+      expect(assigns(:invites)).to include invite
+    end
+  end
+
+  describe 'POST #create' do
+    subject { post :create, params: { invite: { max_uses: '10', expires_in: 1800 } } }
+
+    it 'succeeds to create a invite' do
+      expect{ subject }.to change { Invite.count }.by(1)
+      expect(subject).to redirect_to admin_invites_path
+      expect(Invite.last).to have_attributes(user_id: user.id, max_uses: 10)
+    end
+  end
+
+  describe 'DELETE #destroy' do
+    let!(:invite) { Fabricate(:invite, expires_at: nil) }
+
+    subject { delete :destroy, params: { id: invite.id } }
+
+    it 'expires invite' do
+      expect(subject).to redirect_to admin_invites_path
+      expect(invite.reload).to be_expired
+    end
+  end
+end