Contents

require File.dirname(__FILE__) + '/../../spec_helper'

describe Prawn::Svg::Color do
  describe :color_to_hex do
    it "converts #xxx to a hex value" do
      Prawn::Svg::Color.color_to_hex("#9ab").should == "99aabb"
    end

    it "converts #xxxxxx to a hex value" do
      Prawn::Svg::Color.color_to_hex("#9ab123").should == "9ab123"
    end

    it "converts an html colour name to a hex value" do
      Prawn::Svg::Color.color_to_hex("White").should == "ffffff"
    end

    it "converts an rgb string to a hex value" do
      Prawn::Svg::Color.color_to_hex("rgb(16, 32, 48)").should == "102030"
      Prawn::Svg::Color.color_to_hex("rgb(-5, 50%, 120%)").should == "007fff"
    end

    it "scans the string and finds the first colour it can parse" do
      Prawn::Svg::Color.color_to_hex("function(#someurl, 0) nonexistent rgb( 3 ,4,5 ) white").should == "030405"
    end

    it "ignores url()s" do
      expect(Prawn::Svg::Color.color_to_hex("url(#someplace) red")).to eq 'ff0000'
    end

    it "returns nil if the color doesn't exist" do
      expect(Prawn::Svg::Color.color_to_hex("blurble")).to be nil
    end

    it "raises UnresolvableURLWithNoFallbackError if there's no fallback after a url()" do
      expect {
        Prawn::Svg::Color.color_to_hex("url(#someplace)")
      }.to raise_error(Prawn::Svg::Color::UnresolvableURLWithNoFallbackError)
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
prawn-svg-0.21.0	spec/prawn/svg/color_spec.rb