test/stylesheet/tc_gradient_fill.rb


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# frozen_string_literal: true

require 'tc_helper'

class TestGradientFill < Test::Unit::TestCase
  def setup
    @item = Axlsx::GradientFill.new
  end

  def teardown; end

  def test_initialiation
    assert_equal(:linear, @item.type)
    assert_nil(@item.degree)
    assert_nil(@item.left)
    assert_nil(@item.right)
    assert_nil(@item.top)
    assert_nil(@item.bottom)
    assert(@item.stop.is_a?(Axlsx::SimpleTypedList))
  end

  def test_type
    assert_raise(ArgumentError) { @item.type = 7 }
    assert_nothing_raised { @item.type = :path }
    assert_equal(:path, @item.type)
  end

  def test_degree
    assert_raise(ArgumentError) { @item.degree = -7 }
    assert_nothing_raised { @item.degree = 5.0 }
    assert_in_delta(@item.degree, 5.0)
  end

  def test_left
    assert_raise(ArgumentError) { @item.left = -1.1 }
    assert_nothing_raised { @item.left = 1.0 }
    assert_in_delta(@item.left, 1.0)
  end

  def test_right
    assert_raise(ArgumentError) { @item.right = -1.1 }
    assert_nothing_raised { @item.right = 0.5 }
    assert_in_delta(@item.right, 0.5)
  end

  def test_top
    assert_raise(ArgumentError) { @item.top = -1.1 }
    assert_nothing_raised { @item.top = 1.0 }
    assert_in_delta(@item.top, 1.0)
  end

  def test_bottom
    assert_raise(ArgumentError) { @item.bottom = -1.1 }
    assert_nothing_raised { @item.bottom = 0.0 }
    assert_in_delta(@item.bottom, 0.0)
  end

  def test_stop
    @item.stop << Axlsx::GradientStop.new(Axlsx::Color.new(rgb: "00000000"), 0.5)

    assert_equal(1, @item.stop.size)
    assert(@item.stop.last.is_a?(Axlsx::GradientStop))
  end

  def test_to_xml_string
    @item.stop << Axlsx::GradientStop.new(Axlsx::Color.new(rgb: "000000"), 0.5)
    @item.stop << Axlsx::GradientStop.new(Axlsx::Color.new(rgb: "FFFFFF"), 0.5)
    @item.type = :path
    doc = Nokogiri::XML(@item.to_xml_string)

    assert(doc.xpath("//color[@rgb='FF000000']"))
  end
end