require 'spec_helper'

module BerkeleyLibrary
  module AV
    module Types
      describe Duration do
        describe :from_string do
          it 'parses HH:MM:SS' do
            duration = Duration.from_string('12:34:56')
            expect(duration).not_to be_nil
            expect(duration.hours).to eq(12)
            expect(duration.minutes).to eq(34)
            expect(duration.seconds).to eq(56)
          end

          it 'parses HHMMSS' do
            duration = Duration.from_string('123456')
            expect(duration).not_to be_nil
            expect(duration.hours).to eq(12)
            expect(duration.minutes).to eq(34)
            expect(duration.seconds).to eq(56)
          end

          it 'parses H:MM:SS' do
            duration = Duration.from_string('2:34:56')
            expect(duration).not_to be_nil
            expect(duration.hours).to eq(2)
            expect(duration.minutes).to eq(34)
            expect(duration.seconds).to eq(56)
          end

          it 'parses HMMSS' do
            duration = Duration.from_string('23456')
            expect(duration).not_to be_nil
            expect(duration.hours).to eq(2)
            expect(duration.minutes).to eq(34)
            expect(duration.seconds).to eq(56)
          end

          it 'parses MM:SS' do
            duration = Duration.from_string('34:56')
            expect(duration).not_to be_nil
            expect(duration.hours).to eq(0)
            expect(duration.minutes).to eq(34)
            expect(duration.seconds).to eq(56)
          end

          it 'parses MMSS' do
            duration = Duration.from_string('3456')
            expect(duration).not_to be_nil
            expect(duration.hours).to eq(0)
            expect(duration.minutes).to eq(34)
            expect(duration.seconds).to eq(56)
          end

          it 'returns nil for garbage' do
            duration = Duration.from_string('Not a duration')
            expect(duration).to be_nil
          end

          it 'handles whitespace' do
            duration = Duration.from_string('00: 23:44')
            expect(duration).not_to be_nil
            expect(duration.hours).to eq(0)
            expect(duration.minutes).to eq(23)
            expect(duration.seconds).to eq(44)
          end
        end

        describe :<=> do
          it 'returns 0 for equivalent durations' do
            d1 = Duration.from_string('00:34:56')
            d2 = Duration.new(hours: 0, minutes: 34, seconds: 56)
            expect(d1 <=> d2).to eq(0)
            expect(d2 <=> d1).to eq(0)
          end

          it 'returns nil for nil' do
            d = Duration.from_string('00:34:56')
            expect(d <=> nil).to be_nil
          end

          it 'returs nil for things that are not durations' do
            d = Duration.from_string('00:34:56')
            expect(d <=> d.to_s).to be_nil
          end
        end
      end
    end
  end
end