require 'spec_helper'
require 'parslet/rig/rspec'

module MARC
  module Spec
    module Parsing
      context 'suite' do
        describe :position_or_range do
          let(:parser) { Parser.new }
          let(:reporter) { Parslet::ErrorReporter::Deepest.new }

          describe 'positions or ranges are strings and match pattern' do
            # /invalid/invalidPositionOrRange.json
            it 'empty string -> invalid' do
              # /invalid/invalidPositionOrRange.json
              expect(parser.position_or_range).not_to parse('', trace: true, reporter: reporter)
            end

            it 'first position -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('0', trace: true, reporter: reporter)
            end

            it 'last position -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('#', trace: true, reporter: reporter)
            end

            it 'missing ending position -> invalid' do
              # /invalid/invalidPositionOrRange.json
              expect(parser.position_or_range).not_to parse('#-', trace: true, reporter: reporter)
            end

            it 'missing starting position -> invalid' do
              # /invalid/invalidPositionOrRange.json
              expect(parser.position_or_range).not_to parse('-2', trace: true, reporter: reporter)
            end

            it "only digits, one hyphen and the char '#' are allowed -> invalid" do
              # /invalid/invalidPositionOrRange.json
              expect(parser.position_or_range).not_to parse('1-X', trace: true, reporter: reporter)
              expect(parser.position_or_range).not_to parse('?', trace: true, reporter: reporter)
            end

            it 'only one hyphen allwed -> invalid' do
              # /invalid/invalidPositionOrRange.json
              expect(parser.position_or_range).not_to parse('1-2-', trace: true, reporter: reporter)
            end

            it 'position 101 -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('100', trace: true, reporter: reporter)
            end

            it 'position eleven -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('10', trace: true, reporter: reporter)
            end

            it 'position ten -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('9', trace: true, reporter: reporter)
            end

            it 'range from first position to first position, is like first position -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('0-0', trace: true, reporter: reporter)
            end

            it 'range from first position to last -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('0-#', trace: true, reporter: reporter)
            end

            it 'range from first position to second -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('0-1', trace: true, reporter: reporter)
            end

            it 'range from last position to last position, is like last position -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('#-#', trace: true, reporter: reporter)
            end

            it 'range from last position to position one (index reverted), is like last position -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('#-0', trace: true, reporter: reporter)
            end

            it 'range from last position to position two (index reverted) -> valid' do
              # /valid/validPositionOrRange.json
              expect(parser.position_or_range).to parse('#-1', trace: true, reporter: reporter)
            end

            it 'this matches pattern, but starting position number must not be higher than ending position number -> invalid' do
              # /invalid/invalidPositionOrRange.json
              expect(parser.position_or_range).not_to parse('2-1', trace: true, reporter: reporter)
            end

            it 'whitespace is not allowed -> invalid' do
              # /invalid/invalidPositionOrRange.json
              expect(parser.position_or_range).not_to parse('1- 2', trace: true, reporter: reporter)
            end

          end
        end
      end
    end
  end
end