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require 'abstract_unit'
class TimeZoneTest < Test::Unit::TestCase
uses_tzinfo 'TestTimeZoneCalculations' do
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
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
TZInfo::DataTimezone.any_instance.stubs(:now).returns(Time.utc(2000))
zone = TimeZone['Eastern Time (US & Canada)']
assert_instance_of ActiveSupport::TimeWithZone, zone.now
assert_equal Time.utc(2000), zone.now.time
assert_equal zone, zone.now.time_zone
end
def test_today
TZInfo::DataTimezone.any_instance.stubs(:now).returns(Time.utc(2000))
assert_equal Date.new(2000), TimeZone['Eastern Time (US & Canada)'].today
end
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 "(UTC+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
end
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