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rails--rails/activesupport/test/time_zone_test.rb

543 lines
21 KiB
Ruby

require "abstract_unit"
require "active_support/time"
require "time_zone_test_helpers"
require "yaml"
class TimeZoneTest < ActiveSupport::TestCase
include TimeZoneTestHelpers
def test_utc_to_local
zone = ActiveSupport::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
def test_local_to_utc
zone = ActiveSupport::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
def test_period_for_local
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
assert_instance_of TZInfo::TimezonePeriod, zone.period_for_local(Time.utc(2000))
end
ActiveSupport::TimeZone::MAPPING.each_key do |name|
define_method("test_map_#{name.downcase.gsub(/[^a-z]/, '_')}_to_tzinfo") do
zone = ActiveSupport::TimeZone[name]
assert_respond_to zone.tzinfo, :period_for_local
end
end
def test_from_integer_to_map
assert_instance_of ActiveSupport::TimeZone, ActiveSupport::TimeZone[-28800] # PST
end
def test_from_duration_to_map
assert_instance_of ActiveSupport::TimeZone, ActiveSupport::TimeZone[-480.minutes] # PST
end
ActiveSupport::TimeZone.all.each do |zone|
name = zone.name.downcase.gsub(/[^a-z]/, "_")
define_method("test_from_#{name}_to_map") do
assert_instance_of ActiveSupport::TimeZone, ActiveSupport::TimeZone[zone.name]
end
define_method("test_utc_offset_for_#{name}") do
period = zone.tzinfo.current_period
assert_equal period.utc_offset, zone.utc_offset
end
end
def test_now
with_env_tz "US/Eastern" do
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"].dup
def zone.time_now; Time.local(2000); end
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
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"].dup
def zone.time_now
Time.local(2006, 4, 2, 2) # 2AM springs forward to 3AM
end
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
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"].dup
def zone.time_now
Time.at(1162098000) # equivalent to 1AM DST
end
assert_equal Time.utc(2006, 10, 29, 1), zone.now.time
assert_equal true, zone.now.dst?
end
end
def test_unknown_timezones_delegation_to_tzinfo
zone = ActiveSupport::TimeZone["America/Montevideo"]
assert_equal ActiveSupport::TimeZone, zone.class
assert_equal zone.object_id, ActiveSupport::TimeZone["America/Montevideo"].object_id
assert_equal Time.utc(2010, 1, 31, 22), zone.utc_to_local(Time.utc(2010, 2)) # daylight saving offset -0200
assert_equal Time.utc(2010, 3, 31, 21), zone.utc_to_local(Time.utc(2010, 4)) # standard offset -0300
end
def test_today
travel_to(Time.utc(2000, 1, 1, 4, 59, 59)) # 1 sec before midnight Jan 1 EST
assert_equal Date.new(1999, 12, 31), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].today
travel_to(Time.utc(2000, 1, 1, 5)) # midnight Jan 1 EST
assert_equal Date.new(2000, 1, 1), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].today
travel_to(Time.utc(2000, 1, 2, 4, 59, 59)) # 1 sec before midnight Jan 2 EST
assert_equal Date.new(2000, 1, 1), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].today
travel_to(Time.utc(2000, 1, 2, 5)) # midnight Jan 2 EST
assert_equal Date.new(2000, 1, 2), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].today
travel_back
end
def test_tomorrow
travel_to(Time.utc(2000, 1, 1, 4, 59, 59)) # 1 sec before midnight Jan 1 EST
assert_equal Date.new(2000, 1, 1), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].tomorrow
travel_to(Time.utc(2000, 1, 1, 5)) # midnight Jan 1 EST
assert_equal Date.new(2000, 1, 2), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].tomorrow
travel_to(Time.utc(2000, 1, 2, 4, 59, 59)) # 1 sec before midnight Jan 2 EST
assert_equal Date.new(2000, 1, 2), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].tomorrow
travel_to(Time.utc(2000, 1, 2, 5)) # midnight Jan 2 EST
assert_equal Date.new(2000, 1, 3), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].tomorrow
travel_back
end
def test_yesterday
travel_to(Time.utc(2000, 1, 1, 4, 59, 59)) # 1 sec before midnight Jan 1 EST
assert_equal Date.new(1999, 12, 30), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].yesterday
travel_to(Time.utc(2000, 1, 1, 5)) # midnight Jan 1 EST
assert_equal Date.new(1999, 12, 31), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].yesterday
travel_to(Time.utc(2000, 1, 2, 4, 59, 59)) # 1 sec before midnight Jan 2 EST
assert_equal Date.new(1999, 12, 31), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].yesterday
travel_to(Time.utc(2000, 1, 2, 5)) # midnight Jan 2 EST
assert_equal Date.new(2000, 1, 1), ActiveSupport::TimeZone["Eastern Time (US & Canada)"].yesterday
travel_back
end
def test_travel_to_a_date
with_env_tz do
Time.use_zone("Hawaii") do
date = Date.new(2014, 2, 18)
time = date.midnight
travel_to date do
assert_equal date, Date.current
assert_equal time, Time.current
end
end
end
end
def test_travel_to_travels_back_and_reraises_if_the_block_raises
ts = Time.current - 1.second
travel_to ts do
raise
end
flunk # ensure travel_to re-raises
rescue
assert_not_equal ts, Time.current
end
def test_local
time = ActiveSupport::TimeZone["Hawaii"].local(2007, 2, 5, 15, 30, 45)
assert_equal Time.utc(2007, 2, 5, 15, 30, 45), time.time
assert_equal ActiveSupport::TimeZone["Hawaii"], time.time_zone
end
def test_local_with_old_date
time = ActiveSupport::TimeZone["Hawaii"].local(1850, 2, 5, 15, 30, 45)
assert_equal [45, 30, 15, 5, 2, 1850], time.to_a[0, 6]
assert_equal ActiveSupport::TimeZone["Hawaii"], time.time_zone
end
def test_local_enforces_spring_dst_rules
zone = ActiveSupport::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 = ActiveSupport::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 = ActiveSupport::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 = ActiveSupport::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 = ActiveSupport::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 = ActiveSupport::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
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
twz = zone.parse("1883-12-31 19:00:00")
assert_equal [0, 0, 19, 31, 12, 1883], twz.to_a[0, 6]
assert_equal zone, twz.time_zone
end
def test_parse_far_future_date_with_time_zone_offset_in_string
zone = ActiveSupport::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
def test_parse_returns_nil_when_string_without_date_information_is_passed_in
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
assert_nil zone.parse("foobar")
assert_nil zone.parse(" ")
end
def test_parse_with_incomplete_date
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
zone.stub(:now, zone.local(1999, 12, 31)) do
twz = zone.parse("19:00:00")
assert_equal Time.utc(1999, 12, 31, 19), twz.time
end
end
def test_parse_with_day_omitted
with_env_tz "US/Eastern" do
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
assert_equal Time.local(2000, 2, 1), zone.parse("Feb", Time.local(2000, 1, 1))
assert_equal Time.local(2005, 2, 1), zone.parse("Feb 2005", Time.local(2000, 1, 1))
assert_equal Time.local(2005, 2, 2), zone.parse("2 Feb 2005", Time.local(2000, 1, 1))
end
end
def test_parse_should_not_black_out_system_timezone_dst_jump
with_env_tz("EET") do
zone = ActiveSupport::TimeZone["Pacific Time (US & Canada)"]
twz = zone.parse("2012-03-25 03:29:00")
assert_equal [0, 29, 3, 25, 3, 2012], twz.to_a[0, 6]
end
end
def test_parse_should_black_out_app_timezone_dst_jump
with_env_tz("EET") do
zone = ActiveSupport::TimeZone["Pacific Time (US & Canada)"]
twz = zone.parse("2012-03-11 02:29:00")
assert_equal [0, 29, 3, 11, 3, 2012], twz.to_a[0, 6]
end
end
def test_parse_with_missing_time_components
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
zone.stub(:now, zone.local(1999, 12, 31, 12, 59, 59)) do
twz = zone.parse("2012-12-01")
assert_equal Time.utc(2012, 12, 1), twz.time
end
end
def test_parse_with_javascript_date
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
twz = zone.parse("Mon May 28 2012 00:00:00 GMT-0700 (PDT)")
assert_equal Time.utc(2012, 5, 28, 7, 0, 0), twz.utc
end
def test_parse_doesnt_use_local_dst
with_env_tz "US/Eastern" do
zone = ActiveSupport::TimeZone["UTC"]
twz = zone.parse("2013-03-10 02:00:00")
assert_equal Time.utc(2013, 3, 10, 2, 0, 0), twz.time
end
end
def test_parse_handles_dst_jump
with_env_tz "US/Eastern" do
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
twz = zone.parse("2013-03-10 02:00:00")
assert_equal Time.utc(2013, 3, 10, 3, 0, 0), twz.time
end
end
def test_strptime
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
twz = zone.strptime("1999-12-31 12:00:00", "%Y-%m-%d %H:%M:%S")
assert_equal Time.utc(1999, 12, 31, 17), twz
assert_equal Time.utc(1999, 12, 31, 12), twz.time
assert_equal Time.utc(1999, 12, 31, 17), twz.utc
assert_equal zone, twz.time_zone
end
def test_strptime_with_nondefault_time_zone
with_tz_default ActiveSupport::TimeZone["Pacific Time (US & Canada)"] do
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
twz = zone.strptime("1999-12-31 12:00:00", "%Y-%m-%d %H:%M:%S")
assert_equal Time.utc(1999, 12, 31, 17), twz
assert_equal Time.utc(1999, 12, 31, 12), twz.time
assert_equal Time.utc(1999, 12, 31, 17), twz.utc
assert_equal zone, twz.time_zone
end
end
def test_strptime_with_explicit_time_zone_as_abbrev
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
twz = zone.strptime("1999-12-31 12:00:00 PST", "%Y-%m-%d %H:%M:%S %Z")
assert_equal Time.utc(1999, 12, 31, 20), twz
assert_equal Time.utc(1999, 12, 31, 15), twz.time
assert_equal Time.utc(1999, 12, 31, 20), twz.utc
assert_equal zone, twz.time_zone
end
def test_strptime_with_explicit_time_zone_as_h_offset
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
twz = zone.strptime("1999-12-31 12:00:00 -08", "%Y-%m-%d %H:%M:%S %:::z")
assert_equal Time.utc(1999, 12, 31, 20), twz
assert_equal Time.utc(1999, 12, 31, 15), twz.time
assert_equal Time.utc(1999, 12, 31, 20), twz.utc
assert_equal zone, twz.time_zone
end
def test_strptime_with_explicit_time_zone_as_hm_offset
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
twz = zone.strptime("1999-12-31 12:00:00 -08:00", "%Y-%m-%d %H:%M:%S %:z")
assert_equal Time.utc(1999, 12, 31, 20), twz
assert_equal Time.utc(1999, 12, 31, 15), twz.time
assert_equal Time.utc(1999, 12, 31, 20), twz.utc
assert_equal zone, twz.time_zone
end
def test_strptime_with_explicit_time_zone_as_hms_offset
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
twz = zone.strptime("1999-12-31 12:00:00 -08:00:00", "%Y-%m-%d %H:%M:%S %::z")
assert_equal Time.utc(1999, 12, 31, 20), twz
assert_equal Time.utc(1999, 12, 31, 15), twz.time
assert_equal Time.utc(1999, 12, 31, 20), twz.utc
assert_equal zone, twz.time_zone
end
def test_strptime_with_almost_explicit_time_zone
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
twz = zone.strptime("1999-12-31 12:00:00 %Z", "%Y-%m-%d %H:%M:%S %%Z")
assert_equal Time.utc(1999, 12, 31, 17), twz
assert_equal Time.utc(1999, 12, 31, 12), twz.time
assert_equal Time.utc(1999, 12, 31, 17), twz.utc
assert_equal zone, twz.time_zone
end
def test_strptime_with_day_omitted
with_env_tz "US/Eastern" do
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
assert_equal Time.local(2000, 2, 1), zone.strptime("Feb", "%b", Time.local(2000, 1, 1))
assert_equal Time.local(2005, 2, 1), zone.strptime("Feb 2005", "%b %Y", Time.local(2000, 1, 1))
assert_equal Time.local(2005, 2, 2), zone.strptime("2 Feb 2005", "%e %b %Y", Time.local(2000, 1, 1))
end
end
def test_strptime_with_malformed_string
with_env_tz "US/Eastern" do
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
assert_raise(ArgumentError) { zone.strptime("1999-12-31", "%Y/%m/%d") }
end
end
def test_strptime_with_timestamp_seconds
with_env_tz "US/Eastern" do
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
time_str = "1470272280"
time = zone.strptime(time_str, "%s")
assert_equal Time.at(1470272280), time
end
end
def test_strptime_with_timestamp_milliseconds
with_env_tz "US/Eastern" do
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
time_str = "1470272280000"
time = zone.strptime(time_str, "%Q")
assert_equal Time.at(1470272280), time
end
end
def test_utc_offset_lazy_loaded_from_tzinfo_when_not_passed_in_to_initialize
tzinfo = TZInfo::Timezone.get("America/New_York")
zone = ActiveSupport::TimeZone.create(tzinfo.name, nil, tzinfo)
assert_nil zone.instance_variable_get("@utc_offset")
assert_equal(-18_000, zone.utc_offset)
end
def test_utc_offset_is_not_cached_when_current_period_gets_stale
tz = ActiveSupport::TimeZone.create("Moscow")
travel_to(Time.utc(2014, 10, 25, 21)) do # 1 hour before TZ change
assert_equal 14400, tz.utc_offset, "utc_offset should be initialized according to current_period"
end
travel_to(Time.utc(2014, 10, 25, 22)) do # after TZ change
assert_equal 10800, tz.utc_offset, "utc_offset should not be cached when current_period gets stale"
end
end
def test_seconds_to_utc_offset_with_colon
assert_equal "-06:00", ActiveSupport::TimeZone.seconds_to_utc_offset(-21_600)
assert_equal "+00:00", ActiveSupport::TimeZone.seconds_to_utc_offset(0)
assert_equal "+05:00", ActiveSupport::TimeZone.seconds_to_utc_offset(18_000)
end
def test_seconds_to_utc_offset_without_colon
assert_equal "-0600", ActiveSupport::TimeZone.seconds_to_utc_offset(-21_600, false)
assert_equal "+0000", ActiveSupport::TimeZone.seconds_to_utc_offset(0, false)
assert_equal "+0500", ActiveSupport::TimeZone.seconds_to_utc_offset(18_000, false)
end
def test_seconds_to_utc_offset_with_negative_offset
assert_equal "-01:00", ActiveSupport::TimeZone.seconds_to_utc_offset(-3_600)
assert_equal "-00:59", ActiveSupport::TimeZone.seconds_to_utc_offset(-3_599)
assert_equal "-05:30", ActiveSupport::TimeZone.seconds_to_utc_offset(-19_800)
end
def test_formatted_offset_positive
zone = ActiveSupport::TimeZone["New Delhi"]
assert_equal "+05:30", zone.formatted_offset
assert_equal "+0530", zone.formatted_offset(false)
end
def test_formatted_offset_negative
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
assert_equal "-05:00", zone.formatted_offset
assert_equal "-0500", zone.formatted_offset(false)
end
def test_z_format_strings
zone = ActiveSupport::TimeZone["Tokyo"]
twz = zone.now
assert_equal "+0900", twz.strftime("%z")
assert_equal "+09:00", twz.strftime("%:z")
assert_equal "+09:00:00", twz.strftime("%::z")
end
def test_formatted_offset_zero
zone = ActiveSupport::TimeZone["London"]
assert_equal "+00:00", zone.formatted_offset
assert_equal "UTC", zone.formatted_offset(true, "UTC")
end
def test_zone_compare
zone1 = ActiveSupport::TimeZone["Central Time (US & Canada)"] # offset -0600
zone2 = ActiveSupport::TimeZone["Eastern Time (US & Canada)"] # offset -0500
assert zone1 < zone2
assert zone2 > zone1
assert zone1 == zone1
end
def test_zone_match
zone = ActiveSupport::TimeZone["Eastern Time (US & Canada)"]
assert zone =~ /Eastern/
assert zone =~ /New_York/
assert zone !~ /Nonexistent_Place/
end
def test_to_s
assert_equal "(GMT+05:30) New Delhi", ActiveSupport::TimeZone["New Delhi"].to_s
end
def test_all_sorted
all = ActiveSupport::TimeZone.all
1.upto(all.length - 1) do |i|
assert all[i - 1] < all[i]
end
end
def test_index
assert_nil ActiveSupport::TimeZone["bogus"]
assert_instance_of ActiveSupport::TimeZone, ActiveSupport::TimeZone["Central Time (US & Canada)"]
assert_instance_of ActiveSupport::TimeZone, ActiveSupport::TimeZone[8]
assert_raise(ArgumentError) { ActiveSupport::TimeZone[false] }
end
def test_unknown_zone_raises_exception
assert_raise TZInfo::InvalidTimezoneIdentifier do
ActiveSupport::TimeZone.create("bogus")
end
end
def test_unknown_zones_dont_store_mapping_keys
assert_nil ActiveSupport::TimeZone["bogus"]
end
def test_new
assert_equal ActiveSupport::TimeZone["Central Time (US & Canada)"], ActiveSupport::TimeZone.new("Central Time (US & Canada)")
end
def test_us_zones
assert_includes ActiveSupport::TimeZone.us_zones, ActiveSupport::TimeZone["Hawaii"]
assert_not_includes ActiveSupport::TimeZone.us_zones, ActiveSupport::TimeZone["Kuala Lumpur"]
end
def test_country_zones
assert_includes ActiveSupport::TimeZone.country_zones("ru"), ActiveSupport::TimeZone["Moscow"]
assert_not_includes ActiveSupport::TimeZone.country_zones(:ru), ActiveSupport::TimeZone["Kuala Lumpur"]
end
def test_to_yaml
assert_equal("--- !ruby/object:ActiveSupport::TimeZone\nname: Pacific/Honolulu\n", ActiveSupport::TimeZone["Hawaii"].to_yaml)
assert_equal("--- !ruby/object:ActiveSupport::TimeZone\nname: Europe/London\n", ActiveSupport::TimeZone["Europe/London"].to_yaml)
end
def test_yaml_load
assert_equal(ActiveSupport::TimeZone["Pacific/Honolulu"], YAML.load("--- !ruby/object:ActiveSupport::TimeZone\nname: Pacific/Honolulu\n"))
end
end