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require 'abstract_unit'
require 'action_controller'

class AssetHostMailer < ActionMailer::Base
  def email_with_asset
    mail :to => 'test@localhost',
      :subject => 'testing email containing asset path while asset_host is set',
      :from => 'tester@example.com'
  end
end

class AssetHostTest < Test::Unit::TestCase
  def setup
    set_delivery_method :test
    ActionMailer::Base.perform_deliveries = true
    ActionMailer::Base.deliveries.clear
    AssetHostMailer.configure do |c|
      c.asset_host = "http://www.example.com"
      c.assets_dir = ''
    end
  end

  def teardown
    restore_delivery_method
  end

  def test_asset_host_as_string
    mail = AssetHostMailer.email_with_asset
    assert_equal %Q{<img alt="Somelogo" src="http://www.example.com/images/somelogo.png" />}, mail.body.to_s.strip
  end

  def test_asset_host_as_one_argument_proc
    AssetHostMailer.config.asset_host = Proc.new { |source|
      if source.starts_with?('/images')
        "http://images.example.com"
      else
        "http://assets.example.com"
      end
    }
    mail = AssetHostMailer.email_with_asset
    assert_equal %Q{<img alt="Somelogo" src="http://images.example.com/images/somelogo.png" />}, mail.body.to_s.strip
  end

  def test_asset_host_as_two_argument_proc
    ActionController::Base.config.asset_host = Proc.new {|source,request|
      if request && request.ssl?
        "https://www.example.com"
      else
        "http://www.example.com"
      end
    }
    mail = nil
    assert_nothing_raised { mail = AssetHostMailer.email_with_asset }
    assert_equal %Q{<img alt="Somelogo" src="http://www.example.com/images/somelogo.png" />}, mail.body.to_s.strip
  end
end
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