require 'test_helper'

class CsvDictionaryExtTest < Test::Unit::TestCase
  def setup
    CsvDictionaryTestHelper.setup_database
  end
  
  def teardown
    Aircraft.clear_csv_dictionaries
    CsvDictionaryTestHelper.teardown_database
  end
  
  # sanity check
  def test_should_have_dictionary_value_name
    assert_nothing_raised do
      Aircraft.new.brighter_planet_aircraft_class_code
    end
  end
  
  # sanity check
  def test_should_not_have_dictionary_key_name
    assert_raise NoMethodError do
      Aircraft.new.bts_aircraft_type
    end
  end
  
  def test_should_mixin_methods
    assert Aircraft.respond_to?(:csv_dictionary)
    assert Aircraft.respond_to?(:clear_csv_dictionaries)
    assert Aircraft.respond_to?(:replace_csv_dictionary_attributes!)
  end
  
  def test_should_not_affect_other_activerecord_models
    Aircraft.csv_dictionary :bts_aircraft_type, :url => CSV_URL
    assert Hash === Aircraft.csv_dictionaries
    assert NilClass === Scrum.csv_dictionaries
  end
  
  def test_should_configure_csv_dictionary
    key_name = :bts_aircraft_type
    options = { :url => GDOCS_URL, :sheet => 1 }
    CsvDictionary.expects(:new).with(key_name, options)
    Aircraft.csv_dictionary key_name, options
  end
  
  def test_should_replace_attributes
    Aircraft.csv_dictionary :bts_aircraft_type, :url => CSV_URL
    Aircraft.csv_dictionaries[:bts_aircraft_type].expects(:replace_attributes!)
    Aircraft.replace_csv_dictionary_attributes!({})
  end
  
  def test_should_recognize_dynamic_finders
    fixture = Aircraft.find_or_create_by_brighter_planet_aircraft_class_code('SJ')
    Aircraft.csv_dictionary :bts_aircraft_type, :url => CSV_URL
    Aircraft.csv_dictionaries[:bts_aircraft_type].expects(:lookup).with('103').returns('SJ').times(4)
    assert_equal fixture, Aircraft.find_by_bts_aircraft_type('103')
    assert_equal fixture, Aircraft.find_by_bts_aircraft_type_and_brighter_planet_aircraft_class_code('103', 'SJ')
    assert_equal [fixture], Aircraft.find_all_by_bts_aircraft_type('103')
    assert_equal [fixture], Aircraft.find_all_by_bts_aircraft_type_and_brighter_planet_aircraft_class_code('103', 'SJ')
  end
  
  def test_should_recognize_dynamic_initializers
    fixture = Aircraft.find_or_create_by_brighter_planet_aircraft_class_code('SJ')
    Aircraft.csv_dictionary :bts_aircraft_type, :url => CSV_URL
    Aircraft.csv_dictionaries[:bts_aircraft_type].expects(:lookup).with('103').returns('SJ').twice
    assert_equal fixture, Aircraft.find_or_create_by_bts_aircraft_type('103')
    assert_equal fixture, Aircraft.find_or_create_by_bts_aircraft_type_and_brighter_planet_aircraft_class_code('103', 'SJ')
  end
  
  def test_should_not_recognize_bad_dynamic_finders
    Aircraft.csv_dictionary :bts_aircraft_type, :url => CSV_URL
    assert_raise NoMethodError do
      Aircraft.find_or_create_by_foobar('X')
    end
    assert_raise NoMethodError do
      Aircraft.find_or_create_by_foobar_and_id('X', 'Y')
    end
    assert_raise NoMethodError do
      Aircraft.find_or_create_by_foobar_and_bts_aircraft_type('X', 'Y')
    end
  end
end