Add system test & fix locale

app/controllers/registrar/admin_contacts_controller.rb

@@ -5,7 +5,6 @@ class Registrar
 
     def update
       authorize! :manage, :repp
-
       uri = BASE_URL
       request = form_request(uri)
       response = do_request(request, uri)

config/locales/registrar/admin_contacts.yml

@@ -0,0 +1,11 @@
+en:
+  registrar:
+    admin_contacts:
+      update:
+        replaced: Admin contacts have been successfully replaced.
+        affected_domains: Affected domains
+        skipped_domains: Skipped domains
+      process_request:
+        affected_domains: Affected domains
+        skipped_domains: Skipped domains
+  replaced: Admin contacts have been successfully replaced.

test/system/registrar_area/bulk_change/admin_contact_test.rb

@@ -0,0 +1,49 @@
+require 'application_system_test_case'
+
+class RegistrarAreaAdminContactBulkChangeTest < ApplicationSystemTestCase
+  setup do
+    sign_in users(:api_bestnames)
+  end
+
+  def test_replace_domain_contacts_of_current_registrar
+    request_stub = stub_request(:patch, /domains\/admin_contacts/)
+                     .with(body: { current_contact_id: 'william-001', new_contact_id: 'john-001' },
+                           basic_auth: ['test_bestnames', 'testtest'])
+                     .to_return(body: { data: { affected_domains: %w[foo.test bar.test],
+                                                skipped_domains: %w[baz.test qux.test] } }.to_json,
+                                status: 200)
+
+    visit registrar_domains_url
+    click_link 'Bulk change'
+    click_link 'Admin contact'
+
+    find('.current_admin_contact').fill_in 'Current contact ID', with: 'william-001'
+    find('.new_admin_contact').fill_in 'New contact ID', with: 'john-001'
+    click_on 'Replace admin contacts'
+
+    assert_requested request_stub
+    assert_current_path registrar_domains_path
+    assert_text 'Admin contacts have been successfully replaced'
+    assert_text 'Affected domains: foo.test, bar.test'
+    assert_text 'Skipped domains: baz.test, qux.test'
+  end
+
+  def test_fails_gracefully
+    stub_request(:patch, /domains\/admin_contacts/)
+      .to_return(status: 400,
+                 body: { message: 'epic fail' }.to_json,
+                 headers: { 'Content-type' => Mime[:json] })
+
+    visit registrar_domains_url
+    click_link 'Bulk change'
+    click_link 'Admin contact'
+
+    find('.current_admin_contact').fill_in 'Current contact ID', with: 'william-001'
+    find('.new_admin_contact').fill_in 'New contact ID', with: 'john-001'
+    click_on 'Replace admin contacts'
+
+    assert_text 'epic fail'
+    assert_field 'Current contact ID', with: 'william-001'
+    assert_field 'New contact ID', with: 'john-001'
+  end
+end