Contents

require 'test_helper'

module Vedeu

  describe Position do

    let(:described) { Vedeu::Position }
    let(:instance)  { described.new(y, x) }
    let(:y)         { 12 }
    let(:x)         { 19 }

    describe '#initialize' do
      subject { instance }

      it { subject.must_be_instance_of(described) }
      it { subject.instance_variable_get('@y').must_equal(y) }
      it { subject.instance_variable_get('@x').must_equal(x) }
    end

    describe '#to_s' do
      # subject { described.new.to_s }

      it 'returns an escape sequence when no coordinates are provided' do
        Position.new.to_s.must_equal("\e[1;1H")
      end

      it 'returns an escape sequence when coordinates are provided' do
        Position.new(12, 19).to_s.must_equal("\e[12;19H")
      end

      it 'returns an escape sequence if a coordinate is missing' do
        Position.new(12).to_s.must_equal("\e[12;1H")
      end

      it 'returns an escape sequence if the x coordinate is negative' do
        Position.new(12, -5).to_s.must_equal("\e[12;1H")
      end

      it 'returns an escape sequence if the y coordinate is negative' do
        Position.new(-12, 5).to_s.must_equal("\e[1;5H")
      end

      it 'resets to starting position when a block is given' do
        Position.new(4, 9).to_s { 'test' }.must_equal("\e[4;9Htest\e[4;9H")
      end
    end

  end # Position

end # Vedeu

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
vedeu-0.3.3	test/lib/vedeu/support/position_test.rb