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require 'abstract_unit'

class HelperMailer < ActionMailer::Base
  def use_mail_helper
    @text = "But soft! What light through yonder window breaks? It is the east, " +
            "and Juliet is the sun. Arise, fair sun, and kill the envious moon, " +
            "which is sick and pale with grief that thou, her maid, art far more " +
            "fair than she. Be not her maid, for she is envious! Her vestal " +
            "livery is but sick and green, and none but fools do wear it. Cast " +
            "it off!"

    mail_with_defaults do |format|
      format.html { render(:inline => "<%= block_format @text %>") }
    end
  end

  def use_mailer
    mail_with_defaults do |format|
      format.html { render(:inline => "<%= mailer.message.subject %>") }
    end
  end

  def use_message
    mail_with_defaults do |format|
      format.html { render(:inline => "<%= message.subject %>") }
    end
  end

  protected

  def mail_with_defaults(&block)
    mail(:to => "test@localhost", :from => "tester@example.com",
          :subject => "using helpers", &block)
  end
end

class MailerHelperTest < ActionMailer::TestCase
  def test_use_mail_helper
    mail = HelperMailer.use_mail_helper
    assert_match %r{ But soft!}, mail.body.encoded
    assert_match %r{east, and\r\n Juliet}, mail.body.encoded
  end

  def test_use_mailer
    mail = HelperMailer.use_mailer
    assert_match "using helpers", mail.body.encoded
  end

  def test_use_message
    mail = HelperMailer.use_message
    assert_match "using helpers", mail.body.encoded
  end
end

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