Add tests for redirect confirmations (#28903)

spec/features/redirections_spec.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'redirection confirmations' do
+  let(:account) { Fabricate(:account, domain: 'example.com', uri: 'https://example.com/users/foo', url: 'https://example.com/@foo') }
+  let(:status)  { Fabricate(:status, account: account, uri: 'https://example.com/users/foo/statuses/1', url: 'https://example.com/@foo/1') }
+
+  context 'when a logged out user visits a local page for a remote account' do
+    it 'shows a confirmation page' do
+      visit "/@#{account.pretty_acct}"
+
+      # It explains about the redirect
+      expect(page).to have_content(I18n.t('redirects.title', instance: 'cb6e6126.ngrok.io'))
+
+      # It features an appropriate link
+      expect(page).to have_link(account.url, href: account.url)
+    end
+  end
+
+  context 'when a logged out user visits a local page for a remote status' do
+    it 'shows a confirmation page' do
+      visit "/@#{account.pretty_acct}/#{status.id}"
+
+      # It explains about the redirect
+      expect(page).to have_content(I18n.t('redirects.title', instance: 'cb6e6126.ngrok.io'))
+
+      # It features an appropriate link
+      expect(page).to have_link(status.url, href: status.url)
+    end
+  end
+end