require 'abstract_unit' class DurationTest < ActiveSupport::TestCase def test_inspect assert_equal '1 month', 1.month.inspect assert_equal '1 month and 1 day', (1.month + 1.day).inspect assert_equal '6 months and -2 days', (6.months - 2.days).inspect assert_equal '10 seconds', 10.seconds.inspect assert_equal '10 years, 2 months, and 1 day', (10.years + 2.months + 1.day).inspect assert_equal '7 days', 1.week.inspect assert_equal '14 days', 1.fortnight.inspect end def test_minus_with_duration_does_not_break_subtraction_of_date_from_date assert_nothing_raised { Date.today - Date.today } end def test_plus_with_time assert_equal 1 + 1.second, 1.second + 1, "Duration + Numeric should == Numeric + Duration" end def test_argument_error begin 1.second.ago('') flunk("no exception was raised") rescue ArgumentError => e assert_equal 'expected a time or date, got ""', e.message, "ensure ArgumentError is not being raised by dependencies.rb" rescue Exception flunk("ArgumentError should be raised, but we got #{$!.class} instead") end end def test_fractional_weeks assert_equal((86400 * 7) * 1.5, 1.5.weeks) assert_equal((86400 * 7) * 1.7, 1.7.weeks) end def test_fractional_days assert_equal 86400 * 1.5, 1.5.days assert_equal 86400 * 1.7, 1.7.days end def test_since_and_ago_with_fractional_days Time.stubs(:now).returns Time.local(2000) # since assert_equal 36.hours.since, 1.5.days.since assert_equal((24 * 1.7).hours.since, 1.7.days.since) # ago assert_equal 36.hours.ago, 1.5.days.ago assert_equal((24 * 1.7).hours.ago, 1.7.days.ago) end def test_since_and_ago_with_fractional_weeks Time.stubs(:now).returns Time.local(2000) # since assert_equal((7 * 36).hours.since, 1.5.weeks.since) assert_equal((7 * 24 * 1.7).hours.since, 1.7.weeks.since) # ago assert_equal((7 * 36).hours.ago, 1.5.weeks.ago) assert_equal((7 * 24 * 1.7).hours.ago, 1.7.weeks.ago) end def test_since_and_ago_anchored_to_time_now_when_time_zone_default_not_set Time.zone_default = nil with_env_tz 'US/Eastern' do Time.stubs(:now).returns Time.local(2000) # since assert_equal false, 5.seconds.since.is_a?(ActiveSupport::TimeWithZone) assert_equal Time.local(2000,1,1,0,0,5), 5.seconds.since # ago assert_equal false, 5.seconds.ago.is_a?(ActiveSupport::TimeWithZone) assert_equal Time.local(1999,12,31,23,59,55), 5.seconds.ago end end def test_since_and_ago_anchored_to_time_zone_now_when_time_zone_default_set Time.zone_default = ActiveSupport::TimeZone['Eastern Time (US & Canada)'] with_env_tz 'US/Eastern' do Time.stubs(:now).returns Time.local(2000) # since assert_equal true, 5.seconds.since.is_a?(ActiveSupport::TimeWithZone) assert_equal Time.utc(2000,1,1,0,0,5), 5.seconds.since.time assert_equal 'Eastern Time (US & Canada)', 5.seconds.since.time_zone.name # ago assert_equal true, 5.seconds.ago.is_a?(ActiveSupport::TimeWithZone) assert_equal Time.utc(1999,12,31,23,59,55), 5.seconds.ago.time assert_equal 'Eastern Time (US & Canada)', 5.seconds.ago.time_zone.name end ensure Time.zone_default = nil end def test_adding_hours_across_dst_boundary with_env_tz 'CET' do assert_equal Time.local(2009,3,29,0,0,0) + 24.hours, Time.local(2009,3,30,1,0,0) end end def test_adding_day_across_dst_boundary with_env_tz 'CET' do assert_equal Time.local(2009,3,29,0,0,0) + 1.day, Time.local(2009,3,30,0,0,0) 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