#!/usr/bin/env rspec -wfd
# vim: set nosta noet ts=4 sw=4:

require_relative '../../helpers'

using Symphony::Metronome::TimeRefinements


describe Symphony::Metronome, 'mixins' do

	describe "numeric constant methods" do

		SECONDS_IN_A_MINUTE    = 60
		SECONDS_IN_AN_HOUR     = SECONDS_IN_A_MINUTE * 60
		SECONDS_IN_A_DAY       = SECONDS_IN_AN_HOUR * 24
		SECONDS_IN_A_WEEK      = SECONDS_IN_A_DAY * 7
		SECONDS_IN_A_FORTNIGHT = SECONDS_IN_A_WEEK * 2
		SECONDS_IN_A_MONTH     = SECONDS_IN_A_DAY * 30
		SECONDS_IN_A_YEAR      = Integer( SECONDS_IN_A_DAY * 365.25 )

		it "can calculate the number of seconds for various units of time" do
			expect( 1.second ).to eq( 1 )
			expect( 14.seconds ).to eq( 14 )

			expect( 1.minute ).to eq( SECONDS_IN_A_MINUTE )
			expect( 18.minutes ).to eq( SECONDS_IN_A_MINUTE * 18 )

			expect( 1.hour ).to eq( SECONDS_IN_AN_HOUR )
			expect( 723.hours ).to eq( SECONDS_IN_AN_HOUR * 723 )

			expect( 1.day ).to eq( SECONDS_IN_A_DAY )
			expect( 3.days ).to eq( SECONDS_IN_A_DAY * 3 )

			expect( 1.week ).to eq( SECONDS_IN_A_WEEK )
			expect( 28.weeks ).to eq( SECONDS_IN_A_WEEK * 28 )

			expect( 1.fortnight ).to eq( SECONDS_IN_A_FORTNIGHT )
			expect( 31.fortnights ).to eq( SECONDS_IN_A_FORTNIGHT * 31 )

			expect( 1.month ).to eq( SECONDS_IN_A_MONTH )
			expect( 67.months ).to eq( SECONDS_IN_A_MONTH * 67 )

			expect( 1.year ).to eq( SECONDS_IN_A_YEAR )
			expect( 13.years ).to eq( SECONDS_IN_A_YEAR * 13 )
		end


		it "can calculate various time offsets" do
			starttime = Time.now

			expect( 1.second.after( starttime ) ).to eq( starttime + 1 )
			expect( 18.seconds.from_now ).to be_within( 10.seconds ).of( starttime + 18 )

			expect( 1.second.before( starttime ) ).to eq( starttime - 1 )
			expect( 3.hours.ago ).to be_within( 10.seconds ).of( starttime - 10800 )
		end
	end
end