CapybaraEmail

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Easily test ActionMailer and Mail messages in your Capybara integration tests

Installation

Add this line to your application's Gemfile:

gem 'capybara-email'

And then execute:

$ bundle

Or install it yourself as:

$ gem install capybara-email

Usage

RSpec

Require capybara/email/rspec in your spec_helper

Example:

feature 'Emailer' do
  background do
    # will clear the message queue
    clear_emails
    visit email_trigger_path
    # Will find an email sent to [email protected]
    # and set `current_email`
    open_email('[email protected]')
  end

  scenario 'following a link' do
    current_email.click_link 'your profile'
    page.should have_content 'Profile page'
  end

  scenario 'testing for content' do
    current_email.should have_content 'Hello Joe!'
  end

  scenario 'view the email body in your browser' do
    # the `launchy` gem is required
    current_email.save_and_open
  end
end

Cucumber

Require capybara/email in your features/support/env.rb

require 'capybara/email'

Once you have required capybara-email, gaining access to usable methods is easy as adding this module to your Cucumber World:

World(Capybara::Email::DSL)

I recommend adding this to a support file such as features/support/capybara_email.rb

require 'capybara/email'
World(Capybara::Email::DSL)

Example:

Scenario: Email is sent to winning user
  Given "[email protected]" is playing a game
  When that user picks a winning piece
  Then "[email protected]" receives an email with "You've Won!" as the subject

Then /^"([^"]*)" receives an email with "([^"]*)" as the subject$/ do |email_address, subject|
  open_email(email_address)
  current_email.subject.should eq subject
end

Test::Unit

Require capybara/email at the top of test/test_helper.rb

  require 'capybara/email'

Include Capybara::Email::DSL in your test class

class ActionDispatch::IntegrationTest
  include Capybara::Email::DSL
end

Example:

class EmailTriggerControllerTest < ActionController::IntegrationTest
  def setup
    # will clear the message queue
    clear_emails
    visit email_trigger_path

    # Will find an email sent to `[email protected]`
    # and set `current_email`
    open_email('[email protected]')
  end

  test 'following a link' do
    current_email.click_link 'your profile'
    page.should have_content 'Profile page'
  end

  test 'testing for content' do
    current_email.should have_content 'Hello Joe!'
  end

  test 'view the email body in your browser' do
    # the `launchy` gem is required
    current_email.save_and_open
  end
end

Sending Emails with JavaScript

Sending emails asynchronously will cause #open_email to not open the correct email or not find any email at all depending on the state of the email queue. We recommend forcing a sleep prior to trying to read any email after an asynchronous event:

click_link 'Send email'
sleep 0.1
open_email '[email protected]'

Authors

Brian Cardarella

We are very thankful for the many contributors

Versioning

This gem follows Semantic Versioning

Want to help?

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Licensed under the MIT license