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require 'abstract_unit'
class DateExtCalculationsTest < Test::Unit::TestCase
def test_to_s
date = Date.new(2005, 2, 21)
assert_equal "2005-02-21", date.to_s
assert_equal "21 Feb", date.to_s(:short)
assert_equal "February 21, 2005", date.to_s(:long)
assert_equal "February 21st, 2005", date.to_s(:long_ordinal)
assert_equal "2005-02-21", date.to_s(:db)
assert_equal "21 Feb 2005", date.to_s(:rfc822)
end
def test_readable_inspect
assert_equal "Mon, 21 Feb 2005", Date.new(2005, 2, 21).readable_inspect
assert_equal Date.new(2005, 2, 21).readable_inspect, Date.new(2005, 2, 21).inspect
end
def test_to_time
assert_equal Time.local(2005, 2, 21), Date.new(2005, 2, 21).to_time
assert_equal Time.local_time(2039, 2, 21), Date.new(2039, 2, 21).to_time
end
def test_to_datetime
assert_equal DateTime.civil(2005, 2, 21), Date.new(2005, 2, 21).to_datetime
assert_equal 0, Date.new(2005, 2, 21).to_datetime.offset # use UTC offset
assert_equal ::Date::ITALY, Date.new(2005, 2, 21).to_datetime.start # use Ruby's default start value
end
def test_to_date
assert_equal Date.new(2005, 2, 21), Date.new(2005, 2, 21).to_date
end
def test_change
assert_equal Date.new(2005, 2, 21), Date.new(2005, 2, 11).change(:day => 21)
assert_equal Date.new(2007, 5, 11), Date.new(2005, 2, 11).change(:year => 2007, :month => 5)
assert_equal Date.new(2006,2,22), Date.new(2005,2,22).change(:year => 2006)
assert_equal Date.new(2005,6,22), Date.new(2005,2,22).change(:month => 6)
end
def test_beginning_of_week
assert_equal Date.new(2005,1,31), Date.new(2005,2,4).beginning_of_week
assert_equal Date.new(2005,11,28), Date.new(2005,11,28).beginning_of_week #monday
assert_equal Date.new(2005,11,28), Date.new(2005,11,29).beginning_of_week #tuesday
assert_equal Date.new(2005,11,28), Date.new(2005,11,30).beginning_of_week #wednesday
assert_equal Date.new(2005,11,28), Date.new(2005,12,01).beginning_of_week #thursday
assert_equal Date.new(2005,11,28), Date.new(2005,12,02).beginning_of_week #friday
assert_equal Date.new(2005,11,28), Date.new(2005,12,03).beginning_of_week #saturday
assert_equal Date.new(2005,11,28), Date.new(2005,12,04).beginning_of_week #sunday
end
def test_beginning_of_month
assert_equal Date.new(2005,2,1), Date.new(2005,2,22).beginning_of_month
end
def test_beginning_of_quarter
assert_equal Date.new(2005,1,1), Date.new(2005,2,15).beginning_of_quarter
assert_equal Date.new(2005,1,1), Date.new(2005,1,1).beginning_of_quarter
assert_equal Date.new(2005,10,1), Date.new(2005,12,31).beginning_of_quarter
assert_equal Date.new(2005,4,1), Date.new(2005,6,30).beginning_of_quarter
end
def test_end_of_week
assert_equal Date.new(2008,2,24), Date.new(2008,2,22).end_of_week
assert_equal Date.new(2008,3,2), Date.new(2008,2,25).end_of_week #monday
assert_equal Date.new(2008,3,2), Date.new(2008,2,26).end_of_week #tuesday
assert_equal Date.new(2008,3,2), Date.new(2008,2,27).end_of_week #wednesday
assert_equal Date.new(2008,3,2), Date.new(2008,2,28).end_of_week #thursday
assert_equal Date.new(2008,3,2), Date.new(2008,2,29).end_of_week #friday
assert_equal Date.new(2008,3,2), Date.new(2008,3,01).end_of_week #saturday
assert_equal Date.new(2008,3,2), Date.new(2008,3,02).end_of_week #sunday
end
def test_end_of_quarter
assert_equal Date.new(2008,3,31), Date.new(2008,2,15).end_of_quarter
assert_equal Date.new(2008,3,31), Date.new(2008,3,31).end_of_quarter
assert_equal Date.new(2008,12,31), Date.new(2008,10,8).end_of_quarter
assert_equal Date.new(2008,6,30), Date.new(2008,4,14).end_of_quarter
assert_equal Date.new(2008,9,30), Date.new(2008,8,21).end_of_quarter
end
def test_end_of_year
assert_equal Date.new(2008,12,31).to_s, Date.new(2008,2,22).end_of_year.to_s
end
def test_end_of_month
assert_equal Date.new(2005,3,31), Date.new(2005,3,20).end_of_month
assert_equal Date.new(2005,2,28), Date.new(2005,2,20).end_of_month
assert_equal Date.new(2005,4,30), Date.new(2005,4,20).end_of_month
end
def test_beginning_of_year
assert_equal Date.new(2005,1,1).to_s, Date.new(2005,2,22).beginning_of_year.to_s
end
def test_months_ago
assert_equal Date.new(2005,5,5), Date.new(2005,6,5).months_ago(1)
assert_equal Date.new(2004,11,5), Date.new(2005,6,5).months_ago(7)
assert_equal Date.new(2004,12,5), Date.new(2005,6,5).months_ago(6)
assert_equal Date.new(2004,6,5), Date.new(2005,6,5).months_ago(12)
assert_equal Date.new(2003,6,5), Date.new(2005,6,5).months_ago(24)
end
def test_months_since
assert_equal Date.new(2005,7,5), Date.new(2005,6,5).months_since(1)
assert_equal Date.new(2006,1,5), Date.new(2005,12,5).months_since(1)
assert_equal Date.new(2005,12,5), Date.new(2005,6,5).months_since(6)
assert_equal Date.new(2006,6,5), Date.new(2005,12,5).months_since(6)
assert_equal Date.new(2006,1,5), Date.new(2005,6,5).months_since(7)
assert_equal Date.new(2006,6,5), Date.new(2005,6,5).months_since(12)
assert_equal Date.new(2007,6,5), Date.new(2005,6,5).months_since(24)
assert_equal Date.new(2005,4,30), Date.new(2005,3,31).months_since(1)
assert_equal Date.new(2005,2,28), Date.new(2005,1,29).months_since(1)
assert_equal Date.new(2005,2,28), Date.new(2005,1,30).months_since(1)
assert_equal Date.new(2005,2,28), Date.new(2005,1,31).months_since(1)
end
def test_years_ago
assert_equal Date.new(2004,6,5), Date.new(2005,6,5).years_ago(1)
assert_equal Date.new(1998,6,5), Date.new(2005,6,5).years_ago(7)
assert_equal Date.new(2003,2,28), Date.new(2004,2,29).years_ago(1) # 1 year ago from leap day
end
def test_years_since
assert_equal Date.new(2006,6,5), Date.new(2005,6,5).years_since(1)
assert_equal Date.new(2012,6,5), Date.new(2005,6,5).years_since(7)
assert_equal Date.new(2182,6,5), Date.new(2005,6,5).years_since(177)
assert_equal Date.new(2005,2,28), Date.new(2004,2,29).years_since(1) # 1 year since leap day
end
def test_last_year
assert_equal Date.new(2004,6,5), Date.new(2005,6,5).last_year
end
def test_next_year
assert_equal Date.new(2006,6,5), Date.new(2005,6,5).next_year
end
def test_yesterday
assert_equal Date.new(2005,2,21), Date.new(2005,2,22).yesterday
assert_equal Date.new(2005,2,28), Date.new(2005,3,2).yesterday.yesterday
end
def test_tomorrow
assert_equal Date.new(2005,2,23), Date.new(2005,2,22).tomorrow
assert_equal Date.new(2005,3,2), Date.new(2005,2,28).tomorrow.tomorrow
end
def test_advance
assert_equal Date.new(2006,2,28), Date.new(2005,2,28).advance(:years => 1)
assert_equal Date.new(2005,6,28), Date.new(2005,2,28).advance(:months => 4)
assert_equal Date.new(2005,3,21), Date.new(2005,2,28).advance(:weeks => 3)
assert_equal Date.new(2005,3,5), Date.new(2005,2,28).advance(:days => 5)
assert_equal Date.new(2012,9,28), Date.new(2005,2,28).advance(:years => 7, :months => 7)
assert_equal Date.new(2013,10,3), Date.new(2005,2,28).advance(:years => 7, :months => 19, :days => 5)
assert_equal Date.new(2013,10,17), Date.new(2005,2,28).advance(:years => 7, :months => 19, :weeks => 2, :days => 5)
assert_equal Date.new(2005,2,28), Date.new(2004,2,29).advance(:years => 1) #leap day plus one year
end
def test_next_week
assert_equal Date.new(2005,2,28), Date.new(2005,2,22).next_week
assert_equal Date.new(2005,3,4), Date.new(2005,2,22).next_week(:friday)
assert_equal Date.new(2006,10,30), Date.new(2006,10,23).next_week
assert_equal Date.new(2006,11,1), Date.new(2006,10,23).next_week(:wednesday)
end
def test_next_month_on_31st
assert_equal Date.new(2005, 9, 30), Date.new(2005, 8, 31).next_month
end
def test_last_month_on_31st
assert_equal Date.new(2004, 2, 29), Date.new(2004, 3, 31).last_month
end
def test_yesterday_constructor
assert_equal Date.today - 1, Date.yesterday
end
def test_tomorrow_constructor
assert_equal Date.today + 1, Date.tomorrow
end
def test_since
assert_equal Time.local(2005,2,21,0,0,45), Date.new(2005,2,21).since(45)
end
def test_ago
assert_equal Time.local(2005,2,20,23,59,15), Date.new(2005,2,21).ago(45)
end
def test_beginning_of_day
assert_equal Time.local(2005,2,21,0,0,0), Date.new(2005,2,21).beginning_of_day
end
def test_end_of_day
assert_equal Time.local(2005,2,21,23,59,59), Date.new(2005,2,21).end_of_day
end
def test_xmlschema
with_env_tz 'US/Eastern' do
assert_match(/^1980-02-28T00:00:00-05:?00$/, Date.new(1980, 2, 28).xmlschema)
assert_match(/^1980-06-28T00:00:00-04:?00$/, Date.new(1980, 6, 28).xmlschema)
# these tests are only of interest on platforms where older dates #to_time fail over to DateTime
if ::DateTime === Date.new(1880, 6, 28).to_time
assert_match(/^1880-02-28T00:00:00-05:?00$/, Date.new(1880, 2, 28).xmlschema)
assert_match(/^1880-06-28T00:00:00-05:?00$/, Date.new(1880, 6, 28).xmlschema) # DateTimes aren't aware of DST rules
end
end
end
uses_mocha 'TestDateCurrent' do
def test_current_returns_date_today_when_zone_default_not_set
with_env_tz 'US/Central' do
Time.stubs(:now).returns Time.local(1999, 12, 31, 23)
assert_equal Date.new(1999, 12, 31), Date.today
assert_equal Date.new(1999, 12, 31), Date.current
end
end
def test_current_returns_time_zone_today_when_zone_default_set
silence_warnings do # silence warnings raised by tzinfo gem
Time.zone_default = TimeZone['Eastern Time (US & Canada)']
with_env_tz 'US/Central' do
Time.stubs(:now).returns Time.local(1999, 12, 31, 23)
assert_equal Date.new(1999, 12, 31), Date.today
assert_equal Date.new(2000, 1, 1), Date.current
end
end
ensure
Time.zone_default = nil
end
end
protected
def with_env_tz(new_tz = 'US/Eastern')
old_tz, ENV['TZ'] = ENV['TZ'], new_tz
yield
ensure
old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ')
end
end
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