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require_relative "spec_helper"
begin
require 'tzinfo'
rescue LoadError
warn "Skipping test of named_timezones extension: can't load tzinfo"
else
Sequel.extension :thread_local_timezones
Sequel.extension :named_timezones
Sequel.datetime_class = Time
describe "Sequel named_timezones extension" do
before do
@tz_in = TZInfo::Timezone.get('America/Los_Angeles')
@tz_out = TZInfo::Timezone.get('America/New_York')
@db = Sequel.mock
@dt = DateTime.civil(2009,6,1,10,20,30,0)
Sequel.application_timezone = 'America/Los_Angeles'
Sequel.database_timezone = 'America/New_York'
Sequel.datetime_class = DateTime
end
after do
Sequel.tzinfo_disambiguator = nil
Sequel.default_timezone = nil
Sequel.datetime_class = Time
end
it "should convert string arguments to *_timezone= to TZInfo::Timezone instances" do
Sequel.application_timezone.must_equal @tz_in
Sequel.database_timezone.must_equal @tz_out
end
it "should convert string arguments for Database#timezone= to TZInfo::Timezone instances for database-specific timezones" do
@db.extension :named_timezones
@db.timezone = 'America/Los_Angeles'
@db.timezone.must_equal @tz_in
end
it "should accept TZInfo::Timezone instances in *_timezone=" do
Sequel.application_timezone = @tz_in
Sequel.database_timezone = @tz_out
Sequel.application_timezone.must_equal @tz_in
Sequel.database_timezone.must_equal @tz_out
end
it "should convert datetimes going into the database to named database_timezone" do
ds = @db[:a].with_extend do
def supports_timestamp_timezones?; true; end
def supports_timestamp_usecs?; false; end
end
ds.insert([@dt, DateTime.civil(2009,6,1,3,20,30,-7/24.0), DateTime.civil(2009,6,1,6,20,30,-1/6.0)])
@db.sqls.must_equal ["INSERT INTO a VALUES ('2009-06-01 06:20:30-0400', '2009-06-01 06:20:30-0400', '2009-06-01 06:20:30-0400')"]
end
it "should convert datetimes coming out of the database from database_timezone to application_timezone" do
dt = Sequel.database_to_application_timestamp('2009-06-01 06:20:30-0400')
dt.must_equal @dt
dt.offset.must_equal(-7/24.0)
dt = Sequel.database_to_application_timestamp('2009-06-01 10:20:30+0000')
dt.must_equal @dt
dt.offset.must_equal(-7/24.0)
end
it "should raise an error for ambiguous timezones by default" do
proc{Sequel.database_to_application_timestamp('2004-10-31T01:30:00')}.must_raise(Sequel::InvalidValue)
end
it "should support tzinfo_disambiguator= to handle ambiguous timezones automatically" do
Sequel.tzinfo_disambiguator = proc{|datetime, periods| periods.first}
Sequel.database_to_application_timestamp('2004-10-31T01:30:00').must_equal DateTime.parse('2004-10-30T22:30:00-07:00')
end
it "should assume datetimes coming out of the database that don't have an offset as coming from database_timezone" do
dt = Sequel.database_to_application_timestamp('2009-06-01 06:20:30')
dt.must_equal @dt
dt.offset.must_equal(-7/24.0)
dt = Sequel.database_to_application_timestamp('2009-06-01 10:20:30')
dt.must_equal @dt + 1/6.0
dt.offset.must_equal(-7/24.0)
end
it "should work with the thread_local_timezones extension" do
q, q1, q2 = Queue.new, Queue.new, Queue.new
tz1, tz2 = nil, nil
t1 = Thread.new do
Sequel.thread_application_timezone = 'America/New_York'
q2.push nil
q.pop
tz1 = Sequel.application_timezone
end
t2 = Thread.new do
Sequel.thread_application_timezone = 'America/Los_Angeles'
q2.push nil
q1.pop
tz2 = Sequel.application_timezone
end
q2.pop
q2.pop
q.push nil
q1.push nil
t1.join
t2.join
tz1.must_equal @tz_out
tz2.must_equal @tz_in
end
end
end
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