require_relative '../spec_helper'

describe TagAlong::Offsets do

  it 'should initialize' do
    o = TagAlong::Offsets.new(OFFSETS_ARY)
    o.is_a?(TagAlong::Offsets).should be_true
  end

  it 'should process arrays' do
    o = TagAlong::Offsets.new(OFFSETS_ARY)
    o.is_a?(TagAlong::Offsets).should be_true
    o.first.offset_start.should == 61
    o.first.offset_end.should == 68
    o.first.item_string.should be_nil
    ary_with_item = OFFSETS_HASH.map do |h| 
      [h[:offsetStart], h[:offsetEnd], h[:verbatim]]
    end
    o = TagAlong::Offsets.new(ary_with_item)
    o.first.offset_start.should == 61
    o.first.offset_end.should == 68
    o.first.item_string.should == 'Pundulus'
    -> { TagAlong::Offsets.new([['a','b']]) }.should 
      raise_error(TypeError, 'Offsets must be integers') 
  end

  it 'should process hash' do
    o = TagAlong::Offsets.new(OFFSETS_HASH, 
                              offset_start: :offsetStart,
                              offset_end: :offsetEnd)
    o.is_a?(TagAlong::Offsets).should be_true
    o.first.offset_start.should == 61
    o.first.offset_end.should == 68
    o.first.item_string.should be_nil
    o = TagAlong::Offsets.new(OFFSETS_HASH, 
                              offset_start: 'offsetStart',
                              offset_end: 'offsetEnd',
                              item_string: 'verbatim')
    o.first.offset_start.should == 61
    o.first.offset_end.should == 68
    o.first.item_string.should == 'Pundulus'
  end

  it 'should process object' do
    o = TagAlong::Offsets.new(OFFSETS_OBJ, 
                              offset_start: :start,
                              offset_end: :end)
    o.is_a?(TagAlong::Offsets).should be_true
    o.first.offset_start.should == 61
    o.first.offset_end.should == 68
    o.first.item_string.should be_nil
    o = TagAlong::Offsets.new(OFFSETS_OBJ, 
                              offset_start: :start,
                              offset_end: :end,
                              item_string: 'name')
    o.is_a?(TagAlong::Offsets).should be_true
    o.first.offset_start.should == 61
    o.first.offset_end.should == 68
    o.first.item_string.should == 'Pundulus'
  end
end