Convert `admin/email_domain_blocks` controller -> system spec (#33759)

spec/controllers/admin/email_domain_blocks_controller_spec.rb

@@ -1,68 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-RSpec.describe Admin::EmailDomainBlocksController do
-  render_views
-
-  before do
-    sign_in Fabricate(:admin_user), scope: :user
-  end
-
-  describe 'GET #index' do
-    around do |example|
-      default_per_page = EmailDomainBlock.default_per_page
-      EmailDomainBlock.paginates_per 2
-      example.run
-      EmailDomainBlock.paginates_per default_per_page
-    end
-
-    it 'returns http success' do
-      2.times { Fabricate(:email_domain_block) }
-      Fabricate(:email_domain_block, allow_with_approval: true)
-      get :index, params: { page: 2 }
-      expect(response).to have_http_status(200)
-    end
-  end
-
-  describe 'GET #new' do
-    it 'returns http success' do
-      get :new
-      expect(response).to have_http_status(200)
-    end
-  end
-
-  describe 'POST #create' do
-    context 'when resolve button is pressed' do
-      before do
-        resolver = instance_double(Resolv::DNS)
-
-        allow(resolver).to receive(:getresources)
-          .with('example.com', Resolv::DNS::Resource::IN::MX)
-          .and_return([])
-        allow(resolver).to receive(:getresources).with('example.com', Resolv::DNS::Resource::IN::A).and_return([])
-        allow(resolver).to receive(:getresources).with('example.com', Resolv::DNS::Resource::IN::AAAA).and_return([])
-        allow(resolver).to receive(:timeouts=).and_return(nil)
-        allow(Resolv::DNS).to receive(:open).and_yield(resolver)
-
-        post :create, params: { email_domain_block: { domain: 'example.com' } }
-      end
-
-      it 'renders new template' do
-        expect(response).to render_template(:new)
-      end
-    end
-
-    context 'when save button is pressed' do
-      before do
-        post :create, params: { email_domain_block: { domain: 'example.com' }, save: '' }
-      end
-
-      it 'blocks the domain and redirects to email domain blocks' do
-        expect(EmailDomainBlock.find_by(domain: 'example.com')).to_not be_nil
-
-        expect(response).to redirect_to(admin_email_domain_blocks_path)
-      end
-    end
-  end
-end

spec/support/domain_helpers.rb

@@ -28,6 +28,25 @@ module DomainHelpers
       .and_yield(resolver)
   end
 
+  def configure_dns(domain:, results:)
+    resolver = instance_double(Resolv::DNS, :timeouts= => nil)
+
+    allow(resolver).to receive(:getresources)
+      .with(domain, Resolv::DNS::Resource::IN::MX)
+      .and_return(results)
+    allow(resolver)
+      .to receive(:getresources)
+      .with(domain, Resolv::DNS::Resource::IN::A)
+      .and_return(results)
+    allow(resolver)
+      .to receive(:getresources)
+      .with(domain, Resolv::DNS::Resource::IN::AAAA)
+      .and_return(results)
+    allow(Resolv::DNS)
+      .to receive(:open)
+      .and_yield(resolver)
+  end
+
   private
 
   def double_mx(exchange)

spec/system/admin/email_domain_blocks_spec.rb

@@ -7,6 +7,43 @@ RSpec.describe 'Admin::EmailDomainBlocks' do
 
   before { sign_in current_user }
 
+  describe 'Managing email domain blocks' do
+    before { configure_dns(domain: 'example.com', results: []) }
+
+    let!(:email_domain_block) { Fabricate :email_domain_block }
+
+    it 'views and creates new blocks' do
+      visit admin_email_domain_blocks_path
+      expect(page)
+        .to have_content(I18n.t('admin.email_domain_blocks.title'))
+        .and have_content(email_domain_block.domain)
+
+      click_on I18n.t('admin.email_domain_blocks.add_new')
+      expect(page)
+        .to have_content(I18n.t('admin.email_domain_blocks.new.title'))
+
+      fill_in I18n.t('admin.email_domain_blocks.domain'), with: 'example.com'
+      expect { submit_resolve }
+        .to_not change(EmailDomainBlock, :count)
+      expect(page)
+        .to have_content(I18n.t('admin.email_domain_blocks.new.title'))
+
+      expect { submit_create }
+        .to change(EmailDomainBlock.where(domain: 'example.com'), :count).by(1)
+      expect(page)
+        .to have_content(I18n.t('admin.email_domain_blocks.title'))
+        .and have_content(I18n.t('admin.email_domain_blocks.created_msg'))
+    end
+
+    def submit_resolve
+      click_on I18n.t('admin.email_domain_blocks.new.resolve')
+    end
+
+    def submit_create
+      click_on I18n.t('admin.email_domain_blocks.new.create')
+    end
+  end
+
   describe 'Performing batch updates' do
     before do
       visit admin_email_domain_blocks_path