require 'abstract_unit' class TimeZoneTest < Test::Unit::TestCase def test_utc_to_local silence_warnings do # silence warnings raised by tzinfo gem zone = TimeZone['Eastern Time (US & Canada)'] assert_equal Time.utc(1999, 12, 31, 19), zone.utc_to_local(Time.utc(2000, 1)) # standard offset -0500 assert_equal Time.utc(2000, 6, 30, 20), zone.utc_to_local(Time.utc(2000, 7)) # dst offset -0400 end end def test_local_to_utc silence_warnings do # silence warnings raised by tzinfo gem zone = TimeZone['Eastern Time (US & Canada)'] assert_equal Time.utc(2000, 1, 1, 5), zone.local_to_utc(Time.utc(2000, 1)) # standard offset -0500 assert_equal Time.utc(2000, 7, 1, 4), zone.local_to_utc(Time.utc(2000, 7)) # dst offset -0400 end end def test_period_for_local silence_warnings do # silence warnings raised by tzinfo gem zone = TimeZone['Eastern Time (US & Canada)'] assert_instance_of TZInfo::TimezonePeriod, zone.period_for_local(Time.utc(2000)) end end TimeZone::MAPPING.keys.each do |name| define_method("test_map_#{name.downcase.gsub(/[^a-z]/, '_')}_to_tzinfo") do silence_warnings do # silence warnings raised by tzinfo gem zone = TimeZone[name] assert zone.tzinfo.respond_to?(:period_for_local) end end end def test_from_integer_to_map assert_instance_of TimeZone, TimeZone[-28800] # PST end def test_from_duration_to_map assert_instance_of TimeZone, TimeZone[-480.minutes] # PST end TimeZone.all.each do |zone| name = zone.name.downcase.gsub(/[^a-z]/, '_') define_method("test_from_#{name}_to_map") do silence_warnings do # silence warnings raised by tzinfo gem assert_instance_of TimeZone, TimeZone[zone.name] end end define_method("test_utc_offset_for_#{name}") do silence_warnings do # silence warnings raised by tzinfo gem period = zone.tzinfo.period_for_utc(Time.utc(2006,1,1,0,0,0)) assert_equal period.utc_offset, zone.utc_offset end end end uses_mocha 'TestTimeZoneNowAndToday' do def test_now with_env_tz 'US/Eastern' do Time.stubs(:now).returns(Time.local(2000)) zone = TimeZone['Eastern Time (US & Canada)'] assert_instance_of ActiveSupport::TimeWithZone, zone.now assert_equal Time.utc(2000,1,1,5), zone.now.utc assert_equal Time.utc(2000), zone.now.time assert_equal zone, zone.now.time_zone end end def test_now_enforces_spring_dst_rules with_env_tz 'US/Eastern' do Time.stubs(:now).returns(Time.local(2006,4,2,2)) # 2AM springs forward to 3AM zone = TimeZone['Eastern Time (US & Canada)'] assert_equal Time.utc(2006,4,2,3), zone.now.time assert_equal true, zone.now.dst? end end def test_now_enforces_fall_dst_rules with_env_tz 'US/Eastern' do Time.stubs(:now).returns(Time.at(1162098000)) # equivalent to 1AM DST zone = TimeZone['Eastern Time (US & Canada)'] assert_equal Time.utc(2006,10,29,1), zone.now.time assert_equal true, zone.now.dst? end end def test_today Time.stubs(:now).returns(Time.utc(2000, 1, 1, 4, 59, 59)) # 1 sec before midnight Jan 1 EST assert_equal Date.new(1999, 12, 31), TimeZone['Eastern Time (US & Canada)'].today Time.stubs(:now).returns(Time.utc(2000, 1, 1, 5)) # midnight Jan 1 EST assert_equal Date.new(2000, 1, 1), TimeZone['Eastern Time (US & Canada)'].today Time.stubs(:now).returns(Time.utc(2000, 1, 2, 4, 59, 59)) # 1 sec before midnight Jan 2 EST assert_equal Date.new(2000, 1, 1), TimeZone['Eastern Time (US & Canada)'].today Time.stubs(:now).returns(Time.utc(2000, 1, 2, 5)) # midnight Jan 2 EST assert_equal Date.new(2000, 1, 2), TimeZone['Eastern Time (US & Canada)'].today end end def test_local silence_warnings do # silence warnings raised by tzinfo gem time = TimeZone["Hawaii"].local(2007, 2, 5, 15, 30, 45) assert_equal Time.utc(2007, 2, 5, 15, 30, 45), time.time assert_equal TimeZone["Hawaii"], time.time_zone end end def test_local_with_old_date silence_warnings do # silence warnings raised by tzinfo gem time = TimeZone["Hawaii"].local(1850, 2, 5, 15, 30, 45) assert_equal [45,30,15,5,2,1850], time.to_a[0,6] assert_equal TimeZone["Hawaii"], time.time_zone end end def test_local_enforces_spring_dst_rules zone = TimeZone['Eastern Time (US & Canada)'] twz = zone.local(2006,4,2,1,59,59) # 1 second before DST start assert_equal Time.utc(2006,4,2,1,59,59), twz.time assert_equal Time.utc(2006,4,2,6,59,59), twz.utc assert_equal false, twz.dst? assert_equal 'EST', twz.zone twz2 = zone.local(2006,4,2,2) # 2AM does not exist because at 2AM, time springs forward to 3AM assert_equal Time.utc(2006,4,2,3), twz2.time # twz is created for 3AM assert_equal Time.utc(2006,4,2,7), twz2.utc assert_equal true, twz2.dst? assert_equal 'EDT', twz2.zone twz3 = zone.local(2006,4,2,2,30) # 2:30AM does not exist because at 2AM, time springs forward to 3AM assert_equal Time.utc(2006,4,2,3,30), twz3.time # twz is created for 3:30AM assert_equal Time.utc(2006,4,2,7,30), twz3.utc assert_equal true, twz3.dst? assert_equal 'EDT', twz3.zone end def test_local_enforces_fall_dst_rules # 1AM during fall DST transition is ambiguous, it could be either DST or non-DST 1AM # Mirroring Time.local behavior, this method selects the DST time zone = TimeZone['Eastern Time (US & Canada)'] twz = zone.local(2006,10,29,1) assert_equal Time.utc(2006,10,29,1), twz.time assert_equal Time.utc(2006,10,29,5), twz.utc assert_equal true, twz.dst? assert_equal 'EDT', twz.zone end def test_at zone = TimeZone['Eastern Time (US & Canada)'] secs = 946684800.0 twz = zone.at(secs) assert_equal Time.utc(1999,12,31,19), twz.time assert_equal Time.utc(2000), twz.utc assert_equal zone, twz.time_zone assert_equal secs, twz.to_f end def test_at_with_old_date zone = TimeZone['Eastern Time (US & Canada)'] secs = DateTime.civil(1850).to_f twz = zone.at(secs) assert_equal [1850, 1, 1, 0], [twz.utc.year, twz.utc.mon, twz.utc.day, twz.utc.hour] assert_equal zone, twz.time_zone assert_equal secs, twz.to_f end def test_parse zone = TimeZone['Eastern Time (US & Canada)'] twz = zone.parse('1999-12-31 19:00:00') assert_equal Time.utc(1999,12,31,19), twz.time assert_equal Time.utc(2000), twz.utc assert_equal zone, twz.time_zone end def test_parse_string_with_timezone (-11..13).each do |timezone_offset| zone = TimeZone[timezone_offset] twz = zone.parse('1999-12-31 19:00:00') assert_equal twz, zone.parse(twz.to_s) end end def test_parse_with_old_date silence_warnings do # silence warnings raised by tzinfo gem zone = TimeZone['Eastern Time (US & Canada)'] twz = zone.parse('1850-12-31 19:00:00') assert_equal [0,0,19,31,12,1850], twz.to_a[0,6] assert_equal zone, twz.time_zone end end def test_parse_far_future_date_with_time_zone_offset_in_string silence_warnings do # silence warnings raised by tzinfo gem zone = TimeZone['Eastern Time (US & Canada)'] twz = zone.parse('2050-12-31 19:00:00 -10:00') # i.e., 2050-01-01 05:00:00 UTC assert_equal [0,0,0,1,1,2051], twz.to_a[0,6] assert_equal zone, twz.time_zone end end def test_parse_returns_nil_when_string_without_date_information_is_passed_in silence_warnings do # silence warnings raised by tzinfo gem zone = TimeZone['Eastern Time (US & Canada)'] assert_nil zone.parse('foobar') assert_nil zone.parse(' ') end end uses_mocha 'TestParseWithIncompleteDate' do def test_parse_with_incomplete_date zone = TimeZone['Eastern Time (US & Canada)'] zone.stubs(:now).returns zone.local(1999,12,31) twz = zone.parse('19:00:00') assert_equal Time.utc(1999,12,31,19), twz.time end end def test_utc_offset_lazy_loaded_from_tzinfo_when_not_passed_in_to_initialize silence_warnings do # silence warnings raised by tzinfo gem tzinfo = TZInfo::Timezone.get('America/New_York') zone = TimeZone.create(tzinfo.name, nil, tzinfo) assert_equal nil, zone.instance_variable_get('@utc_offset') assert_equal(-18_000, zone.utc_offset) end end def test_formatted_offset_positive zone = TimeZone['Moscow'] assert_equal "+03:00", zone.formatted_offset assert_equal "+0300", zone.formatted_offset(false) end def test_formatted_offset_negative zone = TimeZone['Eastern Time (US & Canada)'] assert_equal "-05:00", zone.formatted_offset assert_equal "-0500", zone.formatted_offset(false) end def test_formatted_offset_zero zone = TimeZone['London'] assert_equal "+00:00", zone.formatted_offset assert_equal "UTC", zone.formatted_offset(true, 'UTC') end def test_zone_compare zone1 = TimeZone['Central Time (US & Canada)'] # offset -0600 zone2 = TimeZone['Eastern Time (US & Canada)'] # offset -0500 assert zone1 < zone2 assert zone2 > zone1 assert zone1 == zone1 end def test_to_s assert_equal "(GMT+03:00) Moscow", TimeZone['Moscow'].to_s end def test_all_sorted all = TimeZone.all 1.upto( all.length-1 ) do |i| assert all[i-1] < all[i] end end def test_index assert_nil TimeZone["bogus"] assert_instance_of TimeZone, TimeZone["Central Time (US & Canada)"] assert_instance_of TimeZone, TimeZone[8] assert_raises(ArgumentError) { TimeZone[false] } end def test_new assert_equal TimeZone["Central Time (US & Canada)"], TimeZone.new("Central Time (US & Canada)") end def test_us_zones assert TimeZone.us_zones.include?(TimeZone["Hawaii"]) assert !TimeZone.us_zones.include?(TimeZone["Kuala Lumpur"]) 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