Fix Admin panel routes

Update calls to the routes to use _mount point_ - that way we can avoid the errors when engine is used in mixed setup with host application. And some parts of the Admin panel is overridden.

Also disable Sprocket concurency (see rails/sprockets#581)

Author: paranoicsan

app/controllers/lcms/engine/admin/access_codes_controller.rb

@@ -9,15 +9,19 @@ class AccessCodesController < AdminController
         def create
           @access_code = AccessCode.new(permitted_params)
           if @access_code.save
-            redirect_to({ action: :index }, notice: t('.success'))
+            redirect_to lcms_engine.admin_access_codes_path, notice: t('.success')
           else
             render :new
           end
         end
 
         def destroy
           @access_code.destroy
-          redirect_to({ action: :index }, notice: t('.success'))
+          redirect_to lcms_engine.admin_access_codes_path, notice: t('.success')
+        end
+
+        def edit
+          @url = lcms_engine.admin_access_code_path(@access_code)
         end
 
         def index
@@ -30,8 +34,9 @@ def new
 
         def update
           if @access_code.update(permitted_params)
-            redirect_to({ action: :index }, notice: t('.success'))
+            redirect_to lcms_engine.admin_access_codes_path, notice: t('.success')
           else
+            @url = lcms_engine.admin_access_code_path(@access_code)
             render :edit
           end
         end

app/controllers/lcms/engine/admin/curriculums_controller.rb

@@ -11,7 +11,7 @@ def edit
         def update
           @form = CurriculumForm.new(params[:curriculum])
           if @form.save
-            redirect_to admin_path, notice: t('.success')
+            redirect_to lcms_engine.root_path, notice: t('.success')
           else
             @curriculum = CurriculumPresenter.new
             render :edit, alert: t('.error')

app/controllers/lcms/engine/admin/resource_bulk_edits_controller.rb

@@ -10,15 +10,15 @@ def new
           if @resources.any?
             @resource = BulkEditResourcesService.new(@resources).init_sample
           else
-            redirect_to :admin_resources, alert: t('.no_resources')
+            redirect_to lcms_engine.admin_resources_path, alert: t('.no_resources')
           end
         end
 
         def create
           BulkEditResourcesService.new(@resources, resource_params).edit!
           resources_count_msg = t(:resources_count, count: @resources.count)
           notice = t('.success', count: @resources.count, resources_count: resources_count_msg)
-          redirect_to :admin_resources, notice: notice
+          redirect_to lcms_engine.admin_resources_path, notice: notice
         end
 
         private

app/controllers/lcms/engine/admin/resources_controller.rb

@@ -30,7 +30,7 @@ def create
 
           if @resource.save
             create_tags
-            redirect_to :admin_resources, notice: t('.success', resource_id: @resource.id)
+            redirect_to lcms_engine.admin_resources_path, notice: t('.success', resource_id: @resource.id)
           else
             render :new
           end
@@ -50,17 +50,17 @@ def export_to_lti_cc
         end
 
         def bundle
-          return redirect_to :admin_resources, notice: t('.fail') unless can_bundle?(@resource)
+          return redirect_to lcms_engine.admin_resources_path, notice: t('.fail') unless can_bundle?(@resource)
 
           # see settings loaded via `lcms.yml`
           generator = DocTemplate.config.dig('bundles', @resource.curriculum_type).constantize
           generator.perform(@resource)
-          redirect_to :admin_resources, notice: t('.success')
+          redirect_to lcms_engine.admin_resources_path, notice: t('.success')
         end
 
         def update
           unless Settings[:editing_enabled]
-            return redirect_to(:admin_resources, alert: t('admin.common.editing_disabled'))
+            return redirect_to(lcms_engine.admin_resources_path, alert: t('admin.common.editing_disabled'))
           end
 
           create_tags
@@ -70,15 +70,15 @@ def update
           end
 
           if @resource.update(resource_params)
-            redirect_to :admin_resources, notice: t('.success', resource_id: @resource.id)
+            redirect_to lcms_engine.admin_resources_path, notice: t('.success', resource_id: @resource.id)
           else
             render :edit
           end
         end
 
         def destroy
           @resource.destroy
-          redirect_to :admin_resources, notice: t('.success', resource_id: @resource.id)
+          redirect_to lcms_engine.admin_resources_path, notice: t('.success', resource_id: @resource.id)
         end
 
         protected

app/controllers/lcms/engine/admin/settings_controller.rb

@@ -7,7 +7,7 @@ class SettingsController < AdminController
         def toggle_editing_enabled
           Settings[:editing_enabled] = !Settings[:editing_enabled]
           notice = Settings[:editing_enabled] ? t('.enabled') : t('.disabled')
-          redirect_to :admin_resources, notice: notice
+          redirect_to lcms_engine.admin_resources_path, notice: notice
         end
       end
     end

app/controllers/lcms/engine/admin/standards_controller.rb

@@ -20,7 +20,7 @@ def index
 
         def update
           if @standard.update(standard_params)
-            redirect_to admin_standards_path, notice: t('.success')
+            redirect_to lcms_engine.admin_standards_path, notice: t('.success')
           else
             render :edit
           end

app/controllers/lcms/engine/admin/users_controller.rb

@@ -21,30 +21,33 @@ def create
           @user.generate_password
           if @user.save
             @user.send_reset_password_instructions
-            redirect_to(:admin_users, notice: t('.success', user: @user.email))
+            redirect_to lcms_engine.admin_users_path, notice: t('.success', user: @user.email)
           else
             render :new
           end
         end
 
-        def edit; end
+        def edit
+          @url = lcms_engine.admin_user_path(@user)
+        end
 
         def update
           if @user.update(user_params)
-            redirect_to edit_admin_user_path(@user), notice: t('.success', user: @user.email)
+            redirect_to lcms_engine.admin_users_path, notice: t('.success', user: @user.email)
           else
+            @url = lcms_engine.admin_user_path(@user)
             render :edit
           end
         end
 
         def destroy
           @user.destroy
-          redirect_to :admin_users, notice: t('.success')
+          redirect_to lcms_engine.admin_users_path, notice: t('.success')
         end
 
         def reset_password
           @user.send_reset_password_instructions
-          redirect_to :admin_users, notice: t('.success')
+          redirect_to lcms_engine.admin_users_path, notice: t('.success')
         end
 
         private

app/controllers/lcms/engine/resources_controller.rb

@@ -7,13 +7,13 @@ def show
         @resource = find_resource
 
         # redirect to document if resource has it (#161)
-        return redirect_to document_path(@resource.document) if @resource.document?
+        return redirect_to dynamic_document_path(@resource.document) if @resource.document?
 
         # redirect grade and module to explore_curriculum (#122)
-        return redirect_to explore_curriculum_index_path(p: @resource.slug, e: 1) if grade_or_module?
+        return redirect_to lcms_engine.explore_curriculum_index_path(p: @resource.slug, e: 1) if grade_or_module?
 
         # redirect to the path with slug if we are using just the id
-        return redirect_to show_with_slug_path(@resource.slug), status: 301 if using_id?
+        return redirect_to lcms_engine.show_with_slug_path(@resource.slug), status: 301 if using_id?
 
         @related_instructions = related_instructions
         @props = CurriculumMap.new(@resource).props
@@ -27,14 +27,14 @@ def related_instruction
 
       def media
         resource = Resource.find(params[:id])
-        return redirect_to resource_path(resource) unless resource.media?
+        return redirect_to lcms_engine.resource_path(resource) unless resource.media?
 
         @resource = MediaPresenter.new(resource)
       end
 
       def generic
         resource = Resource.find(params[:id])
-        return redirect_to resource_path(resource) unless resource.generic?
+        return redirect_to lcms_engine.resource_path(resource) unless resource.generic?
 
         @resource = GenericPresenter.new(resource)
       end

app/views/lcms/engine/admin/access_codes/_form.html.erb

@@ -1,4 +1,4 @@
-<%= simple_form_for [:admin, @access_code], html: { id: 'access_code_form' } do |f| %>
+<%= simple_form_for @access_code, url: @url.presence || lcms_engine.admin_access_codes_path, html: { id: 'access_code_form' } do |f| %>
   <%= f.input :code %>
   <%= f.input :active %>
   <%= f.button :submit, t('ui.save'), name: nil %>

app/views/lcms/engine/admin/access_codes/index.html.erb

@@ -1,7 +1,7 @@
 <div class=o-page>
   <div class=clearfix>
     <div class=pull-right>
-      <%= link_to t('.new_access_code'), :new_admin_access_code, class: 'button success', 'data-turbolinks' => false %>
+      <%= link_to t('.new_access_code'), lcms_engine.new_admin_access_code_path, class: 'button success', 'data-turbolinks' => false %>
     </div>
   </div>
 
@@ -19,10 +19,10 @@
         <% @access_codes.each do |access_code| %>
           <% cache access_code do %>
             <tr id="access_code_<%= access_code.id %>">
-              <td><%= link_to access_code.code, edit_admin_access_code_path(access_code) %>
+              <td><%= link_to access_code.code, lcms_engine.edit_admin_access_code_path(access_code) %>
               <td><%= access_code.active ? 'YES' : 'NO' %>
               <td>
-                <%= button_to t('ui.delete'), admin_access_code_path(access_code), class: 'button alert', data: { confirm: t('ui.are_you_sure') }, form_class: 'inline', method: :delete %>
+                <%= button_to t('ui.delete'), lcms_engine.admin_access_code_path(access_code), class: 'button alert', data: { confirm: t('ui.are_you_sure') }, form_class: 'inline', method: :delete %>
               </td>
             </tr>
           <% end %>

app/views/lcms/engine/admin/batch_reimports/_search_form.html.erb

@@ -1,4 +1,4 @@
-<%= simple_form_for :query, url: :admin_batch_reimport, html: { class: 'form-inline well o-admin-lessons-search', method: :post } do |f| %>
+<%= simple_form_for :query, url: lcms_engine.admin_batch_reimport_path, html: { class: 'form-inline well o-admin-lessons-search', method: :post } do |f| %>
 
   <div class="row align-bottom align-justify">
     <button class="button o-admin-search-subject float-right" type="button" data-toggle="subject">Select Subject</button>

app/views/lcms/engine/admin/documents/_search_form.html.erb

@@ -1,4 +1,4 @@
-<%= simple_form_for :query, url: :admin_documents, html: { class: 'form-inline well o-admin-lessons-search', method: :get } do |f| %>
+<%= simple_form_for :query, url: lcms_engine.admin_documents_path, html: { class: 'form-inline well o-admin-lessons-search', method: :get } do |f| %>
 
   <div class='row align-bottom align-justify'>
     <button class="button o-admin-search-subject float-right" type="button" data-toggle="lesson-subject">Select Subject</button>

app/views/lcms/engine/admin/documents/index.html.erb

@@ -24,7 +24,7 @@
             path: delete_selected_admin_documents_path(query: @query_params),
             btn_style: 'alert'} %>
 
-      <%= link_to t('.new_lesson'), :new_admin_document, class: 'button primary' %>
+      <%= link_to t('.new_lesson'), lcms_engine.new_admin_document_path, class: 'button primary' %>
     </div>
     <table class="lessons-table table">
       <tr>

app/views/lcms/engine/admin/materials/_search_form.html.erb

@@ -1,4 +1,4 @@
-<%= simple_form_for :query, url: :admin_materials, html: { class: 'form-inline well o-admin-lessons-search', method: :get } do |f| %>
+<%= simple_form_for :query, url: lcms_engine.admin_materials_path, html: { class: 'form-inline well o-admin-lessons-search', method: :get } do |f| %>
 
   <div class="row align-bottom align-justify">
     <%= f.input :search_term, label: 'Identifier', required: false,

app/views/lcms/engine/admin/materials/index.html.erb

@@ -24,7 +24,7 @@
             path: delete_selected_admin_materials_path(query: @query_params),
             btn_style: 'alert'} %>
       <%# link_to t('.new_material_pdf'), new_admin_material_path(source_type: 'pdf'), class: 'button primary' %>
-      <%= link_to t('.new_material'), :new_admin_material, class: 'button primary' %>
+      <%= link_to t('.new_material'), lcms_engine.new_admin_material_path, class: 'button primary' %>
     </div>
     <div class="materials-table materials-table__wrapper">
       <table class="table u-text--centered">

app/views/lcms/engine/admin/resource_bulk_edits/new.html.erb

@@ -1,7 +1,7 @@
 <div class=o-page>
   <h2 class=text-center><%= t('.page_title') %></h2>
 
-  <%= simple_form_for @resource, url: :admin_resource_bulk_edits do |f| %>
+  <%= simple_form_for @resource, url: lcms_engine.admin_resource_bulk_edits_path do |f| %>
 
     <% @resources.each do |resource| %>
       <%= hidden_field_tag 'ids[]', resource.id %>

app/views/lcms/engine/admin/resources/_form.html.erb

@@ -1,4 +1,4 @@
-<% url = @resource.new_record? ? :admin_resources : admin_resource_path(@resource) %>
+<% url = @resource.new_record? ? lcms_engine.admin_resources_path : lcms_engine.admin_resource_path(@resource) %>
 
 <%= simple_nested_form_for @resource, url: url, html: { id: 'resource_form' } do |f| %>
   <div class="large-10 columns">

app/views/lcms/engine/admin/resources/_search_form.html.erb

@@ -1,4 +1,4 @@
-<%= simple_form_for @query, url: :admin_resources, html: { class: 'form-inline well admin-resource-search', method: :get } do |f| %>
+<%= simple_form_for @query, url: lcms_engine.admin_resources_path, html: { class: 'form-inline well admin-resource-search', method: :get } do |f| %>
 
   <div class='row align-justify'>
     <%= f.input :grades, as: :select, collection: Lcms::Engine::Grades.grades, input_html: { class: 'selectize resource-search-select', multiple: true }, label: t('.grades'), label_method: :humanize, required: false, wrapper_html: { class: 'resource-search-wrap' } %>

app/views/lcms/engine/admin/shared/_header.html.erb

@@ -13,36 +13,36 @@
         <div class="o-top-bar__item c-header__menu">
           <ul class="dropdown menu" data-dropdown-menu>
             <li class="c-header__link">
-              <%= link_to t('lcms.engine.admin.nav.curriculum'), edit_admin_curriculum_path %>
+              <%= link_to t('lcms.engine.admin.nav.curriculum'), lcms_engine.edit_admin_curriculum_path %>
             </li>
 
             <li class="dropdown c-header__link">
-              <%= link_to t('lcms.engine.admin.nav.resources'), admin_resources_path %>
+              <%= link_to t('lcms.engine.admin.nav.resources'), lcms_engine.admin_resources_path %>
               <ul class="menu vertical">
-                <%= nav_link t('lcms.engine.admin.nav.resources'), admin_resources_path %>
-                <%= nav_link t('lcms.engine.admin.nav.add_resource'), new_admin_resource_path %>
+                <%= nav_link t('lcms.engine.admin.nav.resources'), lcms_engine.admin_resources_path %>
+                <%= nav_link t('lcms.engine.admin.nav.add_resource'), lcms_engine.new_admin_resource_path %>
                 <%#= nav_link t('lcms.engine.admin.nav.sketch_compilation', version: 'v1'), new_admin_sketch_compiler_path(:v1) %>
                 <%#= nav_link t('lcms.engine.admin.nav.sketch_compilation', version: 'v2'), new_admin_sketch_compiler_path(:v2) %>
-                <%= nav_link t('lcms.engine.admin.nav.lessons'), admin_documents_path %>
-                <%= nav_link t('lcms.engine.admin.nav.materials'), admin_materials_path %>
-                <%= nav_link t('lcms.engine.admin.nav.batch_reimport'), new_admin_batch_reimport_path %>
+                <%= nav_link t('lcms.engine.admin.nav.lessons'), lcms_engine.admin_documents_path %>
+                <%= nav_link t('lcms.engine.admin.nav.materials'), lcms_engine.admin_materials_path %>
+                <%= nav_link t('lcms.engine.admin.nav.batch_reimport'), lcms_engine.new_admin_batch_reimport_path %>
               </ul>
             </li>
 
             <li class="c-header__link">
-              <%= link_to t('lcms.engine.admin.nav.standards'), admin_standards_path %>
+              <%= link_to t('lcms.engine.admin.nav.standards'), lcms_engine.admin_standards_path %>
             </li>
 
             <li class="dropdown c-header__link">
-              <%= link_to t('lcms.engine.admin.nav.users'), admin_users_path %>
+              <%= link_to t('lcms.engine.admin.nav.users'), lcms_engine.admin_users_path %>
               <ul class="menu vertical">
-                <%= nav_link t('lcms.engine.admin.nav.users'), admin_users_path %>
-                <%= nav_link t('lcms.engine.admin.nav.access_codes'), admin_access_codes_path %>
+                <%= nav_link t('lcms.engine.admin.nav.users'), lcms_engine.admin_users_path %>
+                <%= nav_link t('lcms.engine.admin.nav.access_codes'), lcms_engine.admin_access_codes_path %>
               </ul>
             </li>
 
             <li class="c-header__link">
-              <%= link_to t('lcms.engine.admin.nav.sign_out'), destroy_user_session_path %>
+              <%= link_to t('lcms.engine.admin.nav.sign_out'), lcms_engine.destroy_user_session_path %>
             </li>
           </ul>
         </div>

app/views/lcms/engine/admin/standards/_form.html.erb

@@ -1,4 +1,4 @@
-<%= simple_form_for @standard, as: :standard, url: admin_standard_path(@standard), html: { class: 'o-standard-form' } do |f| %>
+<%= simple_form_for @standard, as: :standard, url: lcms_engine.admin_standard_path(@standard), html: { class: 'o-standard-form' } do |f| %>
 
   <div class="row o-admin-standard-readonly">
     <label>Name: </label>

app/views/lcms/engine/admin/standards/_search_form.html.erb

@@ -1,4 +1,4 @@
-<%= simple_form_for :query, url: :admin_standards, html: { class: 'form-inline well o-admin-standards-search', method: :get } do |f| %>
+<%= simple_form_for :query, url: lcms_engine.admin_standards_path, html: { class: 'form-inline well o-admin-standards-search', method: :get } do |f| %>
 
   <div class='row align-bottom align-justify'>
     <%= f.input :name, label: 'Name', required: false, wrapper_html: { class: 'resource-search-title' } %>

app/views/lcms/engine/admin/users/_form.html.erb

@@ -1,4 +1,4 @@
-<%= simple_form_for [:admin, @user], html: { id: 'user_form' } do |f| %>
+<%= simple_form_for @user, url: @url.presence || lcms_engine.admin_users_path, html: { id: 'user_form' } do |f| %>
   <%= f.input :id, disabled: true %>
   <%= f.input :name %>
   <%= f.input :email %>

app/views/lcms/engine/admin/users/_search_form.html.erb

@@ -1,4 +1,4 @@
-<%= simple_form_for :query, url: :admin_users, html: { class: 'form-inline well o-admin-users-search', method: :get } do |f| %>
+<%= simple_form_for :query, url: lcms_engine.admin_users_path, html: { class: 'form-inline well o-admin-users-search', method: :get } do |f| %>
 
   <div class='row align-bottom align-justify'>
     <%= f.input :email, label: false, required: false, placeholder: 'Search by E-mail', wrapper_html: { class: 'o-admin-search-term' } %>

app/views/lcms/engine/admin/users/index.html.erb

@@ -7,7 +7,7 @@
 
   <div class="row">
     <div class="flex-pull-right">
-      <%= link_to t('.new_user'), :new_admin_user, class: 'button success' %>
+      <%= link_to t('.new_user'), lcms_engine.new_admin_user_path, class: 'button success' %>
     </div>
     <table class="table">
       <tr>
@@ -27,17 +27,17 @@
       <% @users.each do |user| %>
         <% cache user do %>
           <tr id="user_<%= user.id %>">
-            <td><%= link_to user.id, edit_admin_user_path(user) %>
-            <td><%= link_to user.survey&.fetch('first_name', nil) || user.name, edit_admin_user_path(user) %>
+            <td><%= link_to user.id, lcms_engine.edit_admin_user_path(user) %>
+            <td><%= link_to user.survey&.fetch('first_name', nil) || user.name, lcms_engine.edit_admin_user_path(user) %>
             <td><%= raw user.survey&.fetch('last_name', nil) %>
             <td><%= user.email %>
             <td><%= user.role %>
             <td><%= user.access_code.presence || '-' %>
             <td><%= user.confirmed? ? 'YES' : 'NO' %>
             <td class="u-txt--small"><%= user.created_at.to_s %>
-            <td><%= link_to content_tag(:i, nil, class: 'fas fa-pencil-alt').html_safe, edit_admin_user_path(user), class: 'button small primary' %>
-            <td><%= button_to t('.reset_password_btn'), reset_password_admin_user_path(user), class: 'button small', data: { confirm: t('ui.are_you_sure') }, form_class: 'inline', method: :post %>
-            <td><%= button_to t('ui.delete'), admin_user_path(user), class: 'button small alert', data: { confirm: t('ui.are_you_sure') }, form_class: 'inline', method: :delete %></td>
+            <td><%= link_to content_tag(:i, nil, class: 'fas fa-pencil-alt').html_safe, lcms_engine.edit_admin_user_path(user), class: 'button small primary' %>
+            <td><%= button_to t('.reset_password_btn'), lcms_engine.reset_password_admin_user_path(user), class: 'button small', data: { confirm: t('ui.are_you_sure') }, form_class: 'inline', method: :post %>
+            <td><%= button_to t('ui.delete'), lcms_engine.admin_user_path(user), class: 'button small alert', data: { confirm: t('ui.are_you_sure') }, form_class: 'inline', method: :delete %></td>
           </tr>
         <% end %>
       <% end %>

spec/controllers/admin/resource_bulk_edit_controller_spec.rb

@@ -22,7 +22,7 @@
       grades = resources.flat_map { |r| r.grades.list }
       expect(grades).to_not include('grade 11')
       post :create, params: { ids: ids, resource: { grades: ['grade 11'] } }
-      expect(response).to redirect_to(:admin_resources)
+      expect(response).to redirect_to(lcms_engine(admin_resources_path))
       resources.each do |r|
         expect(r.reload.grades.list).to include('grade 11')
       end

spec/controllers/admin/resources_controller_spec.rb

@@ -27,7 +27,7 @@
     subject { post :update, params: { id: resource.to_param, resource: params } }
 
     context 'with valid params' do
-      it { is_expected.to redirect_to admin_resources_path }
+      it { is_expected.to redirect_to lcms_engine(admin_resources_path) }
 
       it 'passes notice' do
         subject

spec/controllers/admin/settings_controller_spec.rb

@@ -11,6 +11,6 @@
     expect(Lcms::Engine::Settings[:editing_enabled]).to be true
     patch :toggle_editing_enabled
     expect(Lcms::Engine::Settings[:editing_enabled]).to be false
-    expect(response).to redirect_to(:admin_resources)
+    expect(response).to redirect_to(lcms_engine(admin_resources_path))
   end
 end

spec/controllers/admin/standards_controller_spec.rb

@@ -60,7 +60,7 @@
     subject { post :update, params: { id: standard.to_param, standard: params } }
 
     context 'with valid params' do
-      it { is_expected.to redirect_to admin_standards_path }
+      it { is_expected.to redirect_to lcms_engine(admin_standards_path) }
 
       it 'passes notice' do
         subject

spec/controllers/admin/welcome_controller_spec.rb

@@ -7,7 +7,7 @@
 
   describe 'requires admin user' do
     before { get :index }
-    it { expect(response).to redirect_to new_user_session_path }
+    it { expect(response).to redirect_to lcms_engine(new_user_session_path) }
   end
 
   describe 'allow admin' do

spec/controllers/resources_controller_spec.rb

@@ -49,19 +49,19 @@
     context 'with id' do
       before { get :show, id: resource.id }
 
-      it { expect(response).to redirect_to("/#{resource.slug}") }
+      it { expect(response).to redirect_to("/lcms-engine#{resource.slug}") }
     end
 
     context 'grade' do
       let(:resource) { create(:resource, :grade) }
       before { get :show, slug: resource.slug }
-      it { expect(response).to redirect_to explore_curriculum_index_path(p: resource.slug, e: 1) }
+      it { expect(response).to redirect_to lcms_engine(explore_curriculum_index_path(p: resource.slug, e: 1)) }
     end
 
     context 'module' do
       let(:resource) { create(:resource, :module) }
       before { get :show, slug: resource.slug }
-      it { expect(response).to redirect_to explore_curriculum_index_path(p: resource.slug, e: 1) }
+      it { expect(response).to redirect_to lcms_engine(explore_curriculum_index_path(p: resource.slug, e: 1)) }
     end
   end
 end

spec/dummy/config/initializers/assets.rb

@@ -14,3 +14,9 @@
 # application.js, application.css, and all non-JS/CSS in the app/assets
 # folder are already added.
 # Rails.application.config.assets.precompile += %w( admin.js admin.css )
+
+# To prevent Sass errors 
+# See https://github.com/rails/sprockets/issues/581
+Rails.application.config.assets.configure do |env|
+  env.export_concurrent = false
+end 

spec/features/admin/users_spec.rb

@@ -57,7 +57,7 @@
     click_button 'Save'
 
     user.reload
-    expect(current_path).to eq lcms_engine.edit_admin_user_path(user.id)
+    expect(current_path).to eq lcms_engine.admin_users_path
     expect(page.find('.callout.success').text).to include('saved successfully')
     expect(user.email).to eq "unbounded@#{domain}"
     expect(user.unconfirmed_email).to eq "joe@#{domain}"

spec/support/routes.rb

@@ -9,6 +9,10 @@ module ControllerRoutes
         included do
           routes { ::Lcms::Engine::Engine.routes }
         end
+
+        def lcms_engine(path)
+          "/lcms-engine#{path}"
+        end
       end
     end
   end