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# This is a test of the monkey patches in timezone_fixes.rb
# We use MailServerLogDone here just as a totally random model that has a datetime type.
require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
describe "when doing things with timezones" do
it "should preserve time objects with local time conversion to default timezone UTC
and return them as UTC times when config.time_zone is UTC" do
with_env_tz 'America/New_York' do
with_active_record_default_timezone :utc do
time = Time.local(2000)
mail_server_log_done = MailServerLogDone.create('last_stat' => time, 'filename' => 'dummy')
raw_saved_time = MailServerLogDone.find(mail_server_log_done.id).read_attribute(:last_stat)
saved_time = MailServerLogDone.find(mail_server_log_done.id).last_stat
assert_equal time, saved_time
assert_equal saved_time, raw_saved_time
# Time is created in EST by local method (using ENV['TZ'])
assert_equal [0, 0, 0, 1, 1, 2000, 6, 1, false, "EST"], time.to_a
# Due to :utc active_record_default_timezone, everything saved as UTC
assert_equal [0, 0, 5, 1, 1, 2000, 6, 1, false, "UTC"], raw_saved_time.to_a
# As config.time_zone is UTC (from config default), times returned in UTC
assert_equal [0, 0, 5, 1, 1, 2000, 6, 1, false, "UTC"], saved_time.to_a
end
end
end
it "should preserve time objects with time with zone conversion to default timezone UTC
and return them as local times in the zone set by Time.use_zone" do
with_env_tz 'America/New_York' do
with_active_record_default_timezone :utc do
Time.use_zone 'Central Time (US & Canada)' do
time = Time.zone.local(2000)
mail_server_log_done = MailServerLogDone.create('last_stat' => time, 'filename' => 'dummy')
raw_saved_time = MailServerLogDone.find(mail_server_log_done.id).read_attribute(:last_stat)
saved_time = MailServerLogDone.find(mail_server_log_done.id).last_stat
assert_equal time, saved_time
assert_equal saved_time, raw_saved_time
# Time is created in CST by Time.local (as Time.zone has been set)
assert_equal [0, 0, 0, 1, 1, 2000, 6, 1, false, "CST"], time.to_a
# Due to :utc active_record_default_timezone, everything saved as UTC
assert_equal [0, 0, 6, 1, 1, 2000, 6, 1, false, "UTC"], raw_saved_time.to_a
# Times returned in CST due to Time.use_zone and ActiveRecord::time_zone_aware_attributes
# being true
assert_equal [0, 0, 0, 1, 1, 2000, 6, 1, false, "CST"], saved_time.to_a
end
end
end
end
it "should preserve time objects with UTC time conversion to default timezone local
and return then as UTC times when config.time_zone is UTC" do
with_env_tz 'America/New_York' do
with_active_record_default_timezone :local do
time = Time.utc(2000)
mail_server_log_done = MailServerLogDone.create('last_stat' => time, 'filename' => 'dummy')
raw_saved_time = MailServerLogDone.find(mail_server_log_done.id).read_attribute(:last_stat)
saved_time = MailServerLogDone.find(mail_server_log_done.id).last_stat
assert_equal time, saved_time
assert_equal saved_time, raw_saved_time
# Time is created in UTC by Time.utc method
assert_equal [0, 0, 0, 1, 1, 2000, 6, 1, false, "UTC"], time.to_a
# Due to :local active_record_default_timezone, saved as EST
assert_equal [0, 0, 19, 31, 12, 1999, 5, 365, false, "EST"], raw_saved_time.to_a
# As config.time_zone is UTC (from config default), times returned in UTC
assert_equal [0, 0, 0, 1, 1, 2000, 6, 1, false, "UTC"], saved_time.to_a
end
end
end
it "should preserve time objects with time with zone conversion to default timezone local
and return them as local times in the zone set by Time.use_zone" do
with_env_tz 'America/New_York' do
with_active_record_default_timezone :local do
Time.use_zone 'Central Time (US & Canada)' do
time = Time.zone.local(2000)
mail_server_log_done = MailServerLogDone.create('last_stat' => time, 'filename' => 'dummy')
raw_saved_time = MailServerLogDone.find(mail_server_log_done.id).read_attribute(:last_stat)
saved_time = MailServerLogDone.find(mail_server_log_done.id).last_stat
assert_equal time, saved_time
assert_equal saved_time, raw_saved_time
# Time is created in CST by Time.zone.local
assert_equal [0, 0, 0, 1, 1, 2000, 6, 1, false, "CST"], time.to_a
# Due to :local active_record_default_timezone, saved as EST
assert_equal [0, 0, 1, 1, 1, 2000, 6, 1, false, "EST"], raw_saved_time.to_a
# Due to Time.use_zone, and ActiveRecord::time_zone_aware_attributes
# being true, time returned in CST
assert_equal [0, 0, 0, 1, 1, 2000, 6, 1, false, "CST"], saved_time.to_a
end
end
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
def with_active_record_default_timezone(zone)
old_zone, ActiveRecord::Base.default_timezone = ActiveRecord::Base.default_timezone, zone
yield
ensure
ActiveRecord::Base.default_timezone = old_zone
end
end
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