Prevent ActionMailer from sending to deleted users / blacklisted addresses

2011-12-22 in Rails, Ruby | Tags: , , | Leave a comment

No need to check in normal code, just do everything as usual and this interceptor will prevent you from spamming people who do not want any emails.
Its not perfect(missing bc/bcc filters but if should be fine for 90% of cases)

#config/initializers/blacklisted_emails.rb
class MailInterceptor
  def self.delivering_email(message)
    if User.where(:email => message.to, :receive_emails => false).any?
      message.perform_deliveries = false
    end
  end
end

Mail.register_interceptor(MailInterceptor)

You dont need RSpec in :development

2011-12-11 in Rails, Ruby | Tags: , | Leave a comment

You can speed up development load time and get rid of rspec in development if you simply not require it in :development and just load the tasks in the Rakefile where they are needed.

# Gemfile
group :development, :test do
  gem 'rspec-rails', :require => false
end

# Rakefile
require File.expand_path('../config/application', __FILE__)
require 'rspec-rails' if ['test', 'development'].include?(Rails.env)
...

Repeat for any other testing lib for even more speedup :)

Running tests via spork directly from Rubymine

2011-12-06 in Rails, Ruby | Tags: , | Leave a comment

Very fast test execution from inside Rubymine.
Cmd+F8 + 2 seconds == test results :D

1 Activate DRB in Rubymine
Run > Edit configurations > Defaults > RSpec > Use DRB Server

2 a) Start spork from Rubymine
Tools > Run Spork DRB Server

2 b) (alternatively) start spork from the commandline
Code

  # spec/spec_helper.rb
Spork.prefork do
  if ENV["RUBYMINE_HOME"]
    puts "Rubymine support"
    $:.unshift(File.expand_path("rb/testing/patch/common", ENV["RUBYMINE_HOME"]))
    $:.unshift(File.expand_path("rb/testing/patch/bdd", ENV["RUBYMINE_HOME"]))
  end
end

and run it via:

RUBYMINE_HOME=/Applications/Rubymine\ 3.2.4.app/ spork

Capybara: use current_path_info instead of current_path / current_url

2011-11-26 in Ruby | Tags: | Leave a comment

Capybara has current_url, which returns an url that is unmatcheable since it includes a randomized port, and current_path with contains neither query nor fragment(aka hash/anchor) and is therefore rather useless.

Behold the perfect current_path_info, which returns the full path and query + fragment.

Code

def current_path_info
  current_url.sub(%r{.*?://},'')[%r{[/\?\#].*}] || '/'
end

Adding travis hook to new github project via the commandline

2011-11-20 in Ruby | Tags: | Leave a comment

I got tired of clicking through the github menus, so after some toying around with the octopi github client (which does not work as expected…), I wrote this small script using pure rest-client.

Creates a new travis hook based on the travis info in your .gitconfig
and also triggers the initial test-run.

add to ~/.gitconfig

[travis]
  user = xxx
  token = yyy

download & run the Script
wget https://raw.github.com/grosser/dotfiles/master/bin/github-add-travis

./github-add-travis github-password project-name

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