# frozen_string_literal: true

require 'tc_helper'

class TestDLbls < Test::Unit::TestCase
  def setup
    @d_lbls = Axlsx::DLbls.new(Axlsx::Pie3DChart)
    @boolean_attributes = [:show_legend_key,
                           :show_val,
                           :show_cat_name,
                           :show_ser_name,
                           :show_percent,
                           :show_bubble_size,
                           :show_leader_lines]
  end

  def test_initialization
    assert_equal(:bestFit, @d_lbls.d_lbl_pos)
    @boolean_attributes.each do |attr|
      refute(@d_lbls.send(attr))
    end
  end

  def test_initialization_with_optoins
    options_hash = @boolean_attributes.to_h { |name| [name, true] }

    d_lbls = Axlsx::DLbls.new(Axlsx::Pie3DChart, options_hash.merge({ d_lbl_pos: :t }))

    @boolean_attributes.each do |attr|
      assert(d_lbls.send(attr), "boolean attributes set by options")
    end
    assert_equal(:t, d_lbls.d_lbl_pos, "d_lbl_pos set by options")
  end

  def test_d_lbl_pos
    assert_raise(ArgumentError, 'invlaid label positions are rejected') { @d_lbls.d_lbl_pos = :upside_down }
    assert_nothing_raised('accepts valid label position') { @d_lbls.d_lbl_pos = :ctr }
  end

  def test_boolean_attributes
    @boolean_attributes.each do |attr|
      assert_raise(ArgumentError, "rejects non boolean value for #{attr}") { @d_lbls.send("#{attr}=", :foo) }
      assert_nothing_raised("accepts boolean value for #{attr}") { @d_lbls.send("#{attr}=", true) }
      assert_nothing_raised("accepts boolean value for #{attr}") { @d_lbls.send("#{attr}=", false) }
    end
  end

  def test_to_xml_string
    str = +'<?xml version="1.0" encoding="UTF-8"?>'
    str << '<c:chartSpace xmlns:c="' << Axlsx::XML_NS_C << '" xmlns:a="' << Axlsx::XML_NS_A << '" xmlns:r="' << Axlsx::XML_NS_R << '">'
    @d_lbls.to_xml_string(str)
    str << '</c:chartSpace>'
    doc = Nokogiri::XML(str)

    Axlsx.instance_values_for(@d_lbls).each do |name, value|
      assert(doc.xpath("//c:#{Axlsx::camel(name, false)}[@val='#{value}']"), "#{name} is properly serialized")
    end
  end
end