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require File.dirname(__FILE__) + '/../spec_helper'
module IceCube
describe TimeUtil do
describe :beginning_of_date do
let(:utc_time) { Time.utc(2014, 7, 8, 12, 34, 56) }
let(:dst_time) { Time.local(2014, 7, 8, 12, 34, 56) }
let(:std_time) { Time.local(2014, 1, 1, 12, 34, 56) }
it "returns 00:00:00 crossing into DST" do
time = TimeUtil.beginning_of_date(dst_time.to_date, std_time)
dst_diff = dst_time.utc_offset - std_time.utc_offset
expect([time.hour, time.min, time.sec]).to eq [0, 0, 0]
expect(time.utc_offset - std_time.utc_offset).to eq dst_diff
end
it "returns 00:00:00 crossing out of DST" do
time = TimeUtil.beginning_of_date(std_time.to_date, dst_time)
dst_diff = std_time.utc_offset - dst_time.utc_offset
expect([time.hour, time.min, time.sec]).to eq [0, 0, 0]
expect(time.utc_offset - dst_time.utc_offset).to eq dst_diff
end
it "returns 00:00:00 from UTC for local time" do
time = TimeUtil.beginning_of_date(utc_time.to_date, dst_time)
expect([time.hour, time.min, time.sec]).to eq [0, 0, 0]
expect(time.utc_offset).to eq dst_time.utc_offset
end
it "returns 00:00:00 from local time for UTC" do
time = TimeUtil.beginning_of_date(dst_time.to_date, utc_time)
expect([time.hour, time.min, time.sec]).to eq [0, 0, 0]
expect(time.utc?).to eq true
end
it "returns 00:00:00 from local time for nonlocal time" do
time = TimeUtil.beginning_of_date(dst_time.to_date, std_time.getlocal(7200))
expect([time.hour, time.min, time.sec]).to eq [0, 0, 0]
expect(time.utc_offset).to eq 7200
end
end
describe :wday_to_sym do
it 'converts 0..6 to weekday symbols' do
expect(TimeUtil.wday_to_sym(1)).to eq(:monday)
end
it 'returns weekday symbols as is' do
expect(TimeUtil.wday_to_sym(:monday)).to eq(:monday)
end
it 'raises an error for bad input' do
expect { TimeUtil.wday_to_sym(:anyday) }.to raise_error(ArgumentError)
expect { TimeUtil.wday_to_sym(17) }.to raise_error(ArgumentError)
end
end
describe :sym_to_wday do
it 'converts weekday symbols to 0..6 wday numbers' do
expect(TimeUtil.sym_to_wday(:monday)).to eq(1)
end
it 'returns wday numbers as is' do
expect(TimeUtil.sym_to_wday(1)).to eq(1)
end
it 'raises an error for bad input' do
expect { TimeUtil.sym_to_wday(:anyday) }.to raise_error(ArgumentError)
expect { TimeUtil.sym_to_wday(17) }.to raise_error(ArgumentError)
end
end
describe :sym_to_month do
it 'converts month symbols to 1..12 month numbers' do
expect(TimeUtil.sym_to_month(:january)).to eq(1)
end
it 'returns month numbers as is' do
expect(TimeUtil.sym_to_month(12)).to eq(12)
end
it 'raises an error for bad input' do
expect { TimeUtil.sym_to_month(13) }.to raise_error(ArgumentError)
expect { TimeUtil.sym_to_month(:neveruary) }.to raise_error(ArgumentError)
end
end
describe :deserialize_time do
it 'supports ISO8601 time strings' do
expect(TimeUtil.deserialize_time('2014-04-04T18:30:00+08:00')).to eq(Time.utc(2014, 4, 4, 10, 30, 0))
end
end
describe :match_zone do
let(:date) { Date.new(2014, 1, 1) }
WORLD_TIME_ZONES.each do |zone|
context "in #{zone}", :system_time_zone => zone do
let(:utc_time) { Time.utc(2014, 1, 1, 0, 0, 1) }
let(:local_time) { Time.local(2014, 1, 1, 0, 0, 1) }
it 'converts Date to beginning of date of local reference time' do
expect(TimeUtil.match_zone(date, local_time)).to eq local_time - 1
end
it 'converts Date to beginning of date of UTC reference time' do
expect(TimeUtil.match_zone(date, utc_time)).to eq utc_time - 1
end
end
end
context "in UTC" do
let(:utc_time) { Time.utc(2014, 1, 1, 0, 0, 1) }
it 'converts Date to beginning of date of reference time' do
expect(TimeUtil.match_zone(date, utc_time)).to eq utc_time - 1
end
end
end
end
end
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