require File.expand_path(File.dirname(__FILE__) +  '/abstract_unit')

class TestController < ActionController::Base
end

class ModelMailerTest < Test::Unit::TestCase
  def test_headers
    email = ModelMailer.create_changes([people(:jonathan)], controller, User.current)
    assert_equal "1 change by Jonathan", email.subject
    
    email = ModelMailer.create_changes([people(:jonathan), people(:david)], controller, User.current)
    assert_equal "2 changes by Jonathan", email.subject
    
    assert_equal [ModelMailer.sender_address], email.from
  end
  
  def test_body_for_new_record
    person = Person.create!(:name => 'Plonker', :gender => genders(:male))
    email = ModelMailer.create_changes([person], controller, User.current)
    
    assert_match person.to_summary, email.body
    
    assert_no_match /(From|To)/, email.body
    
    ['Name', 'Plonker', 'Gender', 'Male'].each do |text|
      assert_match />#{text}:?<\/td>/, email.body
    end
  end
  
  def test_body_for_updated_record
    people(:jonathan).update_attributes!(:name => 'Mr Plonker')
    email = ModelMailer.create_changes([people(:jonathan), people(:jonathan)], controller, User.current)
    
    assert_match people(:jonathan).to_summary, email.body
    assert_match /From/, email.body
    assert_match /To/, email.body
    
    ['Name', 'Jonathan', 'Mr Plonker'].each do |text|
      assert_match />#{text}:?<\/td>/, email.body
    end
  end
  
  def test_update_nil_belongs_to_relationship
    people(:david).update_attributes!(:user => users(:dblue))
    email = ModelMailer.create_changes([people(:david)], controller, User.current)
    
    assert_match people(:david).to_summary, email.body
    
    # Just dblue because it was blank initially
    ['User', 'dblue'].each do |text|
      assert_match />#{text}:?<\/td>/, email.body
    end
  end
  
  def test_body_includes_controller_and_action_name
    email = ModelMailer.create_changes([], controller, User.current)
    
    assert_match "test/my_action", email.body
  end
  
 private
  def controller
    returning TestController.new do |controller|
      controller.action_name = 'my_action'
    end
  end
end