rails--rails/actionmailer/test/mail_service_test.rb

$:.unshift(File.dirname(__FILE__) + "/../lib/")

require 'test/unit'
require 'action_mailer'

class TestMailer < ActionMailer::Base
  def signed_up(recipient)
    @recipients   = recipient
    @subject      = "[Signed up] Welcome #{recipient}"
    @from         = "system@loudthinking.com"
    @sent_on      = Time.local(2004, 12, 12)
    @body["recipient"] = recipient
  end

  def cancelled_account(recipient)
    @recipients = recipient
    @subject    = "[Cancelled] Goodbye #{recipient}"
    @from       = "system@loudthinking.com"
    @sent_on    = Time.local(2004, 12, 12)
    @body       = "Goodbye, Mr. #{recipient}"
  end
end

TestMailer.template_root = File.dirname(__FILE__) + "/fixtures"

class ActionMailerTest < Test::Unit::TestCase
  def setup
    ActionMailer::Base.delivery_method = :test
    ActionMailer::Base.perform_deliveries = true
    ActionMailer::Base.deliveries = []

    @recipient = 'test@localhost'
  end

  def test_signed_up
    expected = TMail::Mail.new
    expected.to      = @recipient
    expected.subject = "[Signed up] Welcome #{@recipient}"
    expected.body    = "Hello there, \n\nMr. #{@recipient}"
    expected.from    = "system@loudthinking.com"
    expected.date    = Time.local(2004, 12, 12)

    created = nil
    assert_nothing_raised { created = TestMailer.create_signed_up(@recipient) }
    assert_not_nil created
    assert_equal expected.encoded, created.encoded

    assert_nothing_raised { TestMailer.deliver_signed_up(@recipient) }
    assert_not_nil ActionMailer::Base.deliveries.first
    assert_equal expected.encoded, ActionMailer::Base.deliveries.first.encoded
  end
  
  def test_cancelled_account
    expected = TMail::Mail.new
    expected.to      = @recipient
    expected.subject = "[Cancelled] Goodbye #{@recipient}"
    expected.body    = "Goodbye, Mr. #{@recipient}"
    expected.from    = "system@loudthinking.com"
    expected.date    = Time.local(2004, 12, 12)

    created = nil
    assert_nothing_raised { created = TestMailer.create_cancelled_account(@recipient) }
    assert_not_nil created
    assert_equal expected.encoded, created.encoded

    assert_nothing_raised { TestMailer.deliver_cancelled_account(@recipient) }
    assert_not_nil ActionMailer::Base.deliveries.first
    assert_equal expected.encoded, ActionMailer::Base.deliveries.first.encoded
  end
  
  def test_instances_are_nil
    assert_nil ActionMailer::Base.new
    assert_nil TestMailer.new
  end

  def test_deliveries_array
    assert_not_nil ActionMailer::Base.deliveries
    assert_equal 0, ActionMailer::Base.deliveries.size
    TestMailer.deliver_signed_up(@recipient)
    assert_equal 1, ActionMailer::Base.deliveries.size
    assert_not_nil ActionMailer::Base.deliveries.first
  end

  def test_perform_deliveries_flag
    ActionMailer::Base.perform_deliveries = false
    TestMailer.deliver_signed_up(@recipient)
    assert_equal 0, ActionMailer::Base.deliveries.size
    ActionMailer::Base.perform_deliveries = true
    TestMailer.deliver_signed_up(@recipient)
    assert_equal 1, ActionMailer::Base.deliveries.size
  end
end