precompile webpack assets when testing

.gitlab-ci.yml

@@ -24,6 +24,9 @@ before_script:
   - '[ "$USE_BUNDLE_INSTALL" != "true" ] || retry bundle install --without postgres production --jobs $(nproc) $FLAGS'
   - retry gem install knapsack
   - '[ "$SETUP_DB" != "true" ] || bundle exec rake db:drop db:create db:schema:load db:migrate add_limits_mysql'
+  - curl --silent --location https://deb.nodesource.com/setup_6.x | bash -
+  - apt-get install --assume-yes nodejs
+  - npm install
 
 stages:
 - prepare
@@ -61,6 +64,7 @@ stages:
   <<: *dedicated-runner
   <<: *use-db
   script:
+    - bundle exec rake webpack:compile
     - JOB_NAME=( $CI_BUILD_NAME )
     - export CI_NODE_INDEX=${JOB_NAME[1]}
     - export CI_NODE_TOTAL=${JOB_NAME[2]}
@@ -79,6 +83,7 @@ stages:
   <<: *dedicated-runner
   <<: *use-db
   script:
+    - bundle exec rake webpack:compile
     - JOB_NAME=( $CI_BUILD_NAME )
     - export CI_NODE_INDEX=${JOB_NAME[1]}
     - export CI_NODE_TOTAL=${JOB_NAME[2]}

config/application.rb

@@ -84,6 +84,7 @@ module Gitlab
     config.webpack.config_file = "config/webpack.config.js"
     config.webpack.output_dir  = "public/assets/webpack"
     config.webpack.public_path = "assets/webpack"
+    config.webpack.dev_server.enabled = false
 
     # Enable the asset pipeline
     config.assets.enabled = true

config/environments/development.rb

@@ -22,6 +22,9 @@ Rails.application.configure do
   # Only use best-standards-support built into browsers
   config.action_dispatch.best_standards_support = :builtin
 
+  # Enable webpack dev server
+  config.webpack.dev_server.enabled = true
+
   # Do not compress assets
   config.assets.compress = false