fix angular cli handling in test

Proxy href can be configured via OPENPROJECT_CLI_PROXY='[PROXY HREF]'. 'http://localhost:4200' is configured to be the default.

Also fixes accessing the server via port 3000 in dev mode.

app/helpers/frontend_asset_helper.rb

@@ -28,24 +28,33 @@
 #++
 
 module FrontendAssetHelper
+  CLI_DEFAULT_PROXY = 'http://localhost:4200'.freeze
+
+  def self.assets_proxied?
+    !Rails.env.production? && cli_proxy?
+  end
+
+  def self.cli_proxy
+    ENV.fetch('OPENPROJECT_CLI_PROXY', CLI_DEFAULT_PROXY)
+  end
+
+  def self.cli_proxy?
+    cli_proxy.present?
+  end
 
   ##
   # Include angular CLI frontend assets by either referencing a prod build,
   # or referencing the running CLI proxy that hosts the assets in memory.
   def include_frontend_assets
     capture do
-      if Rails.env.production? || !frontend_assets_proxied?
-        concat javascript_include_tag frontend_asset_path "vendor.js"
-        concat javascript_include_tag frontend_asset_path "polyfills.js"
-        concat javascript_include_tag frontend_asset_path "runtime.js"
-        concat javascript_include_tag frontend_asset_path "main.js"
-        concat stylesheet_link_tag frontend_asset_path "styles.css"
+      %w(vendor.js polyfills.js runtime.js main.js).each do |file|
+        concat javascript_include_tag variable_asset_path(file)
+      end
+
+      if FrontendAssetHelper.assets_proxied?
+        concat javascript_include_tag variable_asset_path("styles.js")
       else
-        concat javascript_include_tag angular_cli_asset "vendor.js"
-        concat javascript_include_tag angular_cli_asset "polyfills.js"
-        concat javascript_include_tag angular_cli_asset "runtime.js"
-        concat javascript_include_tag angular_cli_asset "main.js"
-        concat javascript_include_tag angular_cli_asset "styles.js"
+        concat stylesheet_link_tag variable_asset_path("styles.css")
       end
     end
   end
@@ -53,16 +62,7 @@ module FrontendAssetHelper
   private
 
   def angular_cli_asset(path)
-    base_url = ENV.fetch('OPENPROJECT_DEV_CLI_PROXY', 'http://localhost:4200')
-
-    URI.join(base_url, path)
-  end
-
-  def frontend_assets_proxied?
-    proxy_in_dev = Rails.env.development? && !ActiveRecord::Type::Boolean.new.cast(ENV['OPENPROJECT_NO_CLI_PROXY'])
-    proxy_in_test = Rails.env.test? && ActiveRecord::Type::Boolean.new.cast(ENV['OPENPROJECT_CLI_PROXY_IN_TEST'])
-
-    proxy_in_dev || proxy_in_test
+    URI.join(FrontendAssetHelper.cli_proxy, path)
   end
 
   def frontend_asset_path(unhashed, options = {})
@@ -70,4 +70,12 @@ module FrontendAssetHelper
 
     asset_path "assets/frontend/#{file_name}", options.merge(skip_pipeline: true)
   end
+
+  def variable_asset_path(path)
+    if FrontendAssetHelper.assets_proxied?
+      angular_cli_asset(path)
+    else
+      frontend_asset_path(path)
+    end
+  end
 end

config/initializers/secure_headers.rb

@@ -25,7 +25,7 @@ SecureHeaders::Configuration.default do |config|
   # Allow requests to CLI in dev mode
   connect_src = default_src
 
-  if Rails.env.development?
+  if FrontendAssetHelper.assets_proxied?
     connect_src += %w[ws://localhost:4200 http://localhost:4200]
     assets_src += %w[ws://localhost:4200 http://localhost:4200]
   end

config/routes.rb

@@ -51,6 +51,15 @@ OpenProject::Application.routes.draw do
   get '/auth/:provider', to: proc { [404, {}, ['']] }, as: 'omniauth_start'
   match '/auth/:provider/callback', to: 'account#omniauth_login', as: 'omniauth_login', via: %i[get post]
 
+  # In case assets are actually delivered by a node server (e.g. in test env)
+  # we redirect all requests to socksjs necessary to support HMR to that server.
+  # Status code 307 is important so that POST requests are repeated as POST.
+  if FrontendAssetHelper.assets_proxied?
+    match '/sockjs-node/*appendix',
+          to: redirect("http://localhost:4200/sockjs-node/%{appendix}", status: 307),
+          via: :all
+  end
+
   scope controller: 'account' do
     get '/account/force_password_change', action: 'force_password_change'
     post '/account/change_password', action: 'change_password'