# test_latex_document.rb: Unit tests for the pdfmult script.
#
# Copyright (C) 2011-2013 Marcus Stollsteimer

require 'minitest/spec'
require 'minitest/autorun'
require 'pdfmult'


describe Pdfmult::LaTeXDocument do

  before do
    @layout_class = Pdfmult::Layout
  end

  it 'should return the expected LaTeX code for 4 pages' do
    args = {
      :pdffile    => 'sample.pdf',
      :layout     => @layout_class.new(4),
      :page_count => 3
    }
    document_lines = Pdfmult::LaTeXDocument.new(args).to_s.split(/\n/)
    document_lines[0].must_equal  '\documentclass[a4paper]{article}'
    document_lines[-2].must_equal '\includepdf[pages={3,3,3,3},nup=2x2]{sample.pdf}%'
    document_lines.grep(/includepdf/).size.must_equal args[:page_count]
  end

  it 'should return the expected LaTeX code for 8 pages' do
    args = {
      :pdffile    => 'sample.pdf',
      :layout     => @layout_class.new(8),
      :page_count => 5
    }
    document_lines = Pdfmult::LaTeXDocument.new(args).to_s.split(/\n/)
    document_lines[0].must_equal  '\documentclass[a4paper,landscape]{article}'
    document_lines[-2].must_equal '\includepdf[pages={5,5,5,5,5,5,5,5},nup=4x2]{sample.pdf}%'
    document_lines.grep(/includepdf/).size.must_equal args[:page_count]
  end
end