Add tests for social media reordering'

test/functional/admin/editionable_social_media_accounts_controller_test.rb

@@ -146,4 +146,27 @@ class Admin::EditionableSocialMediaAccountsControllerTest < ActionController::Te
     assert_response :redirect
     assert_empty @edition.social_media_accounts
   end
+
+  view_test "GET :reorder displays the reorderable social media accounts" do
+    get :reorder, params: { edition_id: @edition }
+
+    assert_response :success
+    assert_select ".gem-c-reorderable-list__item", count: @edition.social_media_accounts.count
+  end
+
+  test "PUT :reorder updates the ordering of social media accounts" do
+    social_media_account1 = create(:social_media_account, socialable: @edition, ordering: 1)
+    social_media_account2 = create(:social_media_account, socialable: @edition, ordering: 2)
+
+    put :reorder,
+        params: { edition_id: @edition,
+                  ordering: {
+                    social_media_account2.id.to_s => "1",
+                    social_media_account1.id.to_s => "2",
+                  } }
+
+    assert_response :redirect
+    reordered_accounts = @edition.reload.social_media_accounts.where(id: [social_media_account1.id, social_media_account2.id]).order(:ordering)
+    assert_equal [social_media_account2, social_media_account1], reordered_accounts
+  end
 end