Contents

require 'spec_helper'

describe RgbStringConverter do 
  describe ".matches?" do 
    it "should match args with rgb string" do 
      expect(RgbStringConverter.matches?("rgb(51, 102, 204)")).to be_true
    end

    it "should match args with rgba string" do 
      expect(RgbStringConverter.matches?("rgba(51, 102, 204, 0.2)")).to be_true
    end

    it "should not match args without rgb string" do 
      expect(RgbStringConverter.matches?(r: 51, g: 102, b: 204)).to be_false
    end
  end
  
  describe ".rgb" do 
    it "should convert rgb to rgba" do 
      conv = RgbStringConverter.new("rgb(51, 102, 204)")
      rgba = {r: 51, g: 102, b: 204, a: 1.0}
      expect(conv.rgba).to eq rgba
    end

    it "should convert rgba to rgba" do 
      conv = RgbStringConverter.new("rgba(51, 102, 204, 0.5)")
      rgba = {r: 51, g: 102, b: 204, a: 0.5}
      expect(conv.rgba).to eq rgba
    end

    it "should raise error for invalid color values" do 
      expect {
        conv = RgbStringConverter.new("rgba(foo)")
        conv.rgba 
      }.to raise_error(InvalidColorError)
    end

    it "should raise error for missing values" do 
      expect {
        conv = RgbStringConverter.new("rgba(51, 102)")
        conv.rgba 
      }.to raise_error(InvalidColorError)
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
color_conversion-0.1.0	spec/converters/rgb_string_converter_spec.rb