Contents

require 'test_helper'

module Vedeu

  describe Colour do

    let(:described)  { Colour.new(attributes) }
    let(:attributes) {
      {
        background: '',
        foreground: ''
      }
    }

    describe '#initialize' do
      it { described.must_be_instance_of(Colour) }
      it { described.instance_variable_get('@attributes').must_equal(attributes) }
    end

    describe '#background' do
      it { described.background.must_be_instance_of(String) }

      it 'returns an escape sequence' do
        Colour.new({
          background: '#000000'
        }).background.must_equal("\e[48;2;0;0;0m")
      end

      it 'returns an empty string when the value is empty' do
        Colour.new.background.must_equal('')
      end
    end

    describe '#foreground' do
      it { described.foreground.must_be_instance_of(String) }

      it 'returns an escape sequence' do
        Colour.new({
          foreground: '#ff0000'
        }).foreground.must_equal("\e[38;2;255;0;0m")
      end

      it 'returns an empty string when the value is empty' do
        Colour.new.foreground.must_equal('')
      end
    end

    describe '#to_s' do
      it { described.to_s.must_be_instance_of(String) }

      it 'returns an escape sequence' do
        Colour.new({
          foreground: '#ff0000',
          background: '#000000'
        }).to_s.must_equal("\e[38;2;255;0;0m\e[48;2;0;0;0m")
      end

      it 'returns an escape sequence when the foreground is missing' do
        Colour.new({
          background: '#000000'
        }).to_s.must_equal("\e[48;2;0;0;0m")
      end

      it 'returns an escape sequence when the background is missing' do
        Colour.new({
          foreground: '#ff0000',
        }).to_s.must_equal("\e[38;2;255;0;0m")
      end

      it 'returns an empty string when both are missing' do
        Colour.new.to_s.must_equal('')
      end
    end

  end # Colour

end # Vedeu

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
vedeu-0.3.0	test/lib/vedeu/presentation/colour_test.rb