When your Rails application offers downloading a bunch of files as ZIP archive, you basically have two options: Write a ZIP file to disk and send it as a download...
...Add zip_tricks to your Gemfile and bundle install. In your controller, include ZipTricks::RailsStreaming. You can then use the zip_tricks_stream method in controller actions to generated your...
...at self.class.ancestors. For example: config.before do # stuff that_fancy_method if is_a? Spec::Rails::Example::ControllerExampleGroup # more stuff end Find out if you are in a spec that knows...
...s request and response, like helper specs or controller specs: if is_a? Spec::Rails::Example::FunctionalExampleGroup that_fancy_request_thing end Note that you should not check via something...
...does not apply to your "Background" steps How to set up database_cleaner for Rails with Cucumber and RSpec Before all in database transactions will fail
...a lib/ext/super_client.rb to your project (see How to organize monkey patches in Ruby on Rails projects) Add the extension, which overrides both methods (prepend is available since Ruby >=2)
When your Rails application server raises error, Capybara will fail your test when it clears the session after the last step. The effect is a test that passes all steps...
...This is arguably a good idea. As a workaround, use stub_const in your Rails specs like this: stub_const "#{SomeClass}::CONST", 'test' This will invoke Rails' autoloading and fix...
...not rendered in controller specs. If you need it to happen, use: RSpec 1 (Rails 2): integrate_views RSpec 2 (Rails 3): render_views Note that you can't use...
...is to to require all files in a specific diretory, using something like Dir.glob(Rails.root.join('lib/ext/**/*.rb')).each do |filename| require filename end However, this causes files to be required...
...behavior on different machines which are hard to debug. Simply add a .sort: Dir.glob(Rails.root.join('lib/ext/**/*.rb')).sort.each do |filename| require filename end Ruby 3 Ruby 3 Dir class sorts...
...a command on all servers. bundle exec cap production app:run cmd='zgrep -P "..." RAILS_ROOT/log/production.log' Code # lib/capistrano/tasks/app.rake namespace :app do # Use e.g. to grep logs on all servers:
...cap production app:run_cmd cmd='zgrep -P "..." RAILS_ROOT/log/production.log' # # * Use RAILS_ROOT as a placeholder for the remote Rails root directory. # * Append ` || test $? =1;` to grep calls in order...
...resources. The spec looks very similar to how one would build an API with Rails and uses similar patterns. Even if you don't plan on supporting the whole spec...
...for example could be sped up more than 4 times by reusing a cached Rails application, and the tests for a video player we built could also be sped up...
...your jQuery version if desired. Here is an example how this might look: { "dependencies": { "@rails/webpacker": "4.x", "bootstrap-datepicker": "1.8.0", "bootstrap-sass": "3.4.1", "font-awesome": "4.7.x", "jquery": "2.2.4",
...be done by compiling the packs for production and search for a working example: RAILS_ENV=production bundle exec rake assets:precompile. Remember to remove the folder public/packs afterwards...
...prevent this, you need to add ->{ uniq } as second argument to has_many (below Rails 4 it is a simple option: has_many :xyz, :uniq => true). Example
There is a way to use multiple databases in Rails. You may have asked yourself how you're able to keep your test databases clean, if you're running multiple...
...records to check if the migration works properly with those. after_initialize :readonly!, unless: -> { Rails.env.test? } end When defining multiple adapters in your database.yml, Rails needs to decide which one to...
When deleting a record in your Rails app, Carrierwave automatically takes care of removing all associated files. However, the file's container directory will not be removed automatically. If you...
...have to either: Sort both the query and database content. If you're on Rails 7.1 you can use the new normalizes macro for this. This solution would still use...
...model. Prefer to use a form model like User::RegistrationForm. Read our book Growing Rails Applications in Practice for details. Here is a test for the User model that automatically...
...will see less noise in your test output: if RSpec.configuration.files_to_run.count > 5 require "simplecov" SimpleCov.start 'rails' end See also How to use Simplecov to find untested code in a Rails project...
...three ways to go. The same applies to files in Carrierwave. Deliver attachments through Rails The first way is to store Paperclip attachments not in the default public/system, but in...
...can be configured like this: class Note < ActiveRecord::Base has_attached_file :attachment, :path => ":rails_root/storage/:rails_env/attachments/:id/:style/:basename.:extension" end To link to the protecting controller actions...
...load the dump successfully, i.e. restore data for all the tables it contained (including Rails' schema_migrations). However, it would not remove any extra tables that were not part of...
...cloned project. The reason is your environment.rb which is loaded for Raketasks and calls Rails.application.initialize! which in turn may/will evaluate classes. If one of those classes is tries to access...
...building it yourself Also see the chapter "Owning your Stack" in the book Growing Rails Applications in Practice. Services Open-Source Maturity & Maintenance Certification Rubygems
...if you don't know which one handled the request you are looking for. Rails application logs usually live in /var/www/ /shared/log. Web server logs usually live in /var/www/ /log...
...multiple servers at the same time With a custom Capistrano task: CMD='zgrep -P "..." RAILS_ROOT/log/production.log' bundle exec cap production app:run_cmd See Capistrano 3: Running a command on...
# ActiveRecord 3.2+ was activated end Detect if a gem has been required Rails will automatically require all the gems in your Gemfile, unless you pass the require: false...
...option. When working on non-Rails project (such as a gem), nothing is required automatically. To detect if a gem has been required, use defined? on one of the modules...