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Editorial Team
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Asked: 2026-05-31T08:24:53+00:00

I taught that, with an option like delivery_method = :test in my config/environments/test.rb I

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I taught that, with an option like delivery_method = :test in my config/environments/test.rb I should not receive any mails while running my Rspec tests:

config/environments/test.rb:

config.action_mailer.delivery_method = :test

But in my tests, when I create a user with FactoryGirl and the user has an after_save callback that sends a signup-notification, this email will be sent:

myspec.rb:

user = FactoryGirl.create(:user, :login => 'johndoe')

user_observer.rb:

class UserObserver < ActiveRecord::Observer
  def after_create(user)
    UserMailer.signup_notification(user).deliver
  end
end

action_mailer.rb:

ActionMailer::Base.delivery_method = :smtp

ActionMailer::Base.smtp_settings = {
  :address => "...",
  :port => "25",
  :domain => "...",
  :user_name => "...",
  :password => "...",
  :authentication => :plain
}

What can be wrong?

I’m using:

  • Rails 3.2.2
  • buildin ActionMailer
  • RSpec-Rails
  • FactoryGirl
  • Guard
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1 Answer

  1. Editorial Team

    Yes, you are right. ActionMailer::Base.delivery_method = :smtp masks your configuration in environment/test.rb

    I propose you next solution: create fixture with specific data for each scope.
    like in enter link description here
    in my case it looks like:

    my config.yml

     development:
      support_mail: test@test.test
      smtp_user_name: test@test.test
      smtp_password: test
      smtp_domain: test.test
      smtp_address: test.test.test
      smtp_port: => 999

    test:
      support_mail: test@test.test
      smtp_user_name: test@test.test
      smtp_password: test
      smtp_domain: test.test
      smtp_address: test.test.test
      smtp_port: => 999

    production:
      support_mail: somth@somth.com
      smtp_user_name: somth@somth.com
      smtp_password: somth
      smtp_domain: somth.com
      smtp_address: smtp.somth.com
      smtp_port: => 587

    my environment.rb 

    # Load the rails application
require File.expand_path('../application', __FILE__)
#initialize custom config variables
APP_CONFIG = YAML.load_file("#{Rails.root}/config/config.yml")[Rails.env]
    ActionMailer::Base.smtp_settings = {
      :user_name => APP_CONFIG["smtp_user_name"], #ENV['SENDGRID_USERNAME'],
      :password => APP_CONFIG["smtp_password"], #  ENV['SENDGRID_PASSWORD'],
      :domain => APP_CONFIG["smtp_domain"],
      :address => APP_CONFIG["smtp_address"],
      :port => APP_CONFIG["smtp_port"],
      :authentication => :plain,
      :enable_starttls_auto => false
    }
ActionMailer::Base.delivery_method = :smtp
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