Sha256: 26dc0241c59204a8db5c777402ffb2e5a945fc0c8345447042579b304a1723e8

Contents?: true

Size: 1.76 KB

Versions: 18

Compression:

Stored size: 1.76 KB

Contents

module ActionMailer
  # Provides helper methods for testing Action Mailer, including #assert_emails
  # and #assert_no_emails
  module TestHelper
    # Asserts that the number of emails sent matches the given number.
    #
    #   def test_emails
    #     assert_emails 0
    #     ContactMailer.welcome.deliver_now
    #     assert_emails 1
    #     ContactMailer.welcome.deliver_now
    #     assert_emails 2
    #   end
    #
    # If a block is passed, that block should cause the specified number of
    # emails to be sent.
    #
    #   def test_emails_again
    #     assert_emails 1 do
    #       ContactMailer.welcome.deliver_now
    #     end
    #
    #     assert_emails 2 do
    #       ContactMailer.welcome.deliver_now
    #       ContactMailer.welcome.deliver_now
    #     end
    #   end
    def assert_emails(number)
      if block_given?
        original_count = ActionMailer::Base.deliveries.size
        yield
        new_count = ActionMailer::Base.deliveries.size
        assert_equal original_count + number, new_count, "#{number} emails expected, but #{new_count - original_count} were sent"
      else
        assert_equal number, ActionMailer::Base.deliveries.size
      end
    end

    # Assert that no emails have been sent.
    #
    #   def test_emails
    #     assert_no_emails
    #     ContactMailer.welcome.deliver_now
    #     assert_emails 1
    #   end
    #
    # If a block is passed, that block should not cause any emails to be sent.
    #
    #   def test_emails_again
    #     assert_no_emails do
    #       # No emails should be sent from this block
    #     end
    #   end
    #
    # Note: This assertion is simply a shortcut for:
    #
    #   assert_emails 0
    def assert_no_emails(&block)
      assert_emails 0, &block
    end
  end
end

Version data entries

18 entries across 17 versions & 4 rubygems

Version Path
activejob-lock-0.0.2 rails/actionmailer/lib/action_mailer/test_helper.rb
solidus_backend-1.0.0.pre vendor/bundle/gems/actionmailer-4.2.2/lib/action_mailer/test_helper.rb
solidus_backend-1.0.0.pre vendor/bundle/gems/actionmailer-4.2.1/lib/action_mailer/test_helper.rb
actionmailer-4.2.2 lib/action_mailer/test_helper.rb
shoppe-paypal-1.1.0 vendor/bundle/ruby/2.1.0/gems/actionmailer-4.2.1/lib/action_mailer/test_helper.rb
actionmailer-4.2.1 lib/action_mailer/test_helper.rb
actionmailer-4.2.1.rc4 lib/action_mailer/test_helper.rb
actionmailer-4.2.1.rc3 lib/action_mailer/test_helper.rb
actionmailer-4.2.1.rc2 lib/action_mailer/test_helper.rb
actionmailer-4.2.1.rc1 lib/action_mailer/test_helper.rb
activejob-lock-0.0.1 rails/actionmailer/lib/action_mailer/test_helper.rb
actionmailer-4.2.0 lib/action_mailer/test_helper.rb
actionmailer-4.2.0.rc3 lib/action_mailer/test_helper.rb
actionmailer-4.2.0.rc2 lib/action_mailer/test_helper.rb
actionmailer-4.2.0.rc1 lib/action_mailer/test_helper.rb
actionmailer-4.2.0.beta4 lib/action_mailer/test_helper.rb
actionmailer-4.2.0.beta3 lib/action_mailer/test_helper.rb
actionmailer-4.2.0.beta2 lib/action_mailer/test_helper.rb