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

class DateFinderMock
  attr_reader :conditions
  
  def initialize
    @conditions = []
  end
  
  def condition(name, &block)
    @conditions << block
  end
  
  include DateFinderConditions
end

class DateConditionsTest < Test::Unit::TestCase
  def setup
    @mock = DateFinderMock.new
  end
  
  def method_missing(method_id, *args)
    if @mock.respond_to?(method_id)
      @mock.send(method_id, *args)
    else
      super
    end
  end
  
  def conditions_match?(date)
    @mock.conditions.any? { |c| c.call(date) }
  end
  
  def assert_conditions_match(*dates)
    dates.each { |d| assert conditions_match?(d) }
  end
  
  def assert_conditions_not_match(*dates)
    dates.each { |d| assert !conditions_match?(d) }
  end
  
  def test_day_number
    day_number(20)
    
    assert_conditions_match d(9, 20)
    assert_conditions_not_match d(9, 1), d(9, 21)
  end
  
  def test_day_by_number
    day(3)
    
    assert_conditions_match d(12, 6), d(9, 13), d(3, 8)
    assert_conditions_not_match d(3, 6), d(6, 22), d(11, 11)
  end
  
  def test_day_by_name
    day('sunday')
    
    assert_conditions_match d(10, 29), d(4, 23)
    assert_conditions_not_match d(4, 18), d(9, 2), d(1, 5)
  end
  
  def test_day_by_method_true
    tuesday(true)
    
    assert_conditions_match d(1, 17), d(2, 21)
    assert_conditions_not_match d(2, 24), d(2, 26)
  end
  
  def test_day_by_method_false
    tuesday(false)
    
    assert_conditions_not_match *7.times { |i| Date.today + i }
  end
  
  def test_weekday
    weekday
    
    assert_conditions_match d(4, 3), d(10, 3)
    assert_conditions_not_match d(4, 22), d(6, 10)
  end
  
  def test_month_by_number
    month(2)
    
    assert_conditions_match d(2, 3), d(2, 20), Date.new(2004, 2, 29)
    assert_conditions_not_match d(4, 5), d(6, 7), d(8, 9)
  end
  
  def test_month_by_name
    month('December')
    
    assert_conditions_match d(12, 1), d(12, 31), Date.new(2001, 12, 18)
    assert_conditions_not_match d(1, 1), d(10, 20), d(4, 4)
  end
  
  def test_day_occurrence
    day_occurrence('second')
    
    assert_conditions_match d(5, 9), d(8, 14), d(8, 10), d(12, 8)
    assert_conditions_not_match d(5, 2), d(8, 21), d(8, 6), d(4, 27)
  end
end