require 'chronic'
require 'test/unit'
 
class TestRepeaterHour < Test::Unit::TestCase
  
  def setup
    @now = Time.local(2006, 8, 16, 14, 0, 0, 0)
  end
 
  def test_next_future
    hours = Chronic::RepeaterHour.new(:hour)
    hours.start = @now
    
    next_hour = hours.next(:future)
    assert_equal Time.local(2006, 8, 16, 15), next_hour.begin
    assert_equal Time.local(2006, 8, 16, 16), next_hour.end
    
    next_next_hour = hours.next(:future)
    assert_equal Time.local(2006, 8, 16, 16), next_next_hour.begin
    assert_equal Time.local(2006, 8, 16, 17), next_next_hour.end
  end
  
  def test_next_past
    hours = Chronic::RepeaterHour.new(:hour)
    hours.start = @now
    
    past_hour = hours.next(:past)
    assert_equal Time.local(2006, 8, 16, 13), past_hour.begin
    assert_equal Time.local(2006, 8, 16, 14), past_hour.end
    
    past_past_hour = hours.next(:past)
    assert_equal Time.local(2006, 8, 16, 12), past_past_hour.begin
    assert_equal Time.local(2006, 8, 16, 13), past_past_hour.end
  end
  
  def test_this
    @now = Time.local(2006, 8, 16, 14, 30)
    
    hours = Chronic::RepeaterHour.new(:hour)
    hours.start = @now
    
    this_hour = hours.this(:future)
    assert_equal Time.local(2006, 8, 16, 14, 31), this_hour.begin
    assert_equal Time.local(2006, 8, 16, 15), this_hour.end
    
    this_hour = hours.this(:past)
    assert_equal Time.local(2006, 8, 16, 14), this_hour.begin
    assert_equal Time.local(2006, 8, 16, 14, 30), this_hour.end
  end
  
  def test_offset
    span = Chronic::Span.new(@now, @now + 1)
    
    offset_span = Chronic::RepeaterHour.new(:hour).offset(span, 3, :future)
    
    assert_equal Time.local(2006, 8, 16, 17), offset_span.begin
    assert_equal Time.local(2006, 8, 16, 17, 0, 1), offset_span.end
    
    offset_span = Chronic::RepeaterHour.new(:hour).offset(span, 24, :past)
    
    assert_equal Time.local(2006, 8, 15, 14), offset_span.begin
    assert_equal Time.local(2006, 8, 15, 14, 0, 1), offset_span.end
  end
  
end