require 'spec_helper' describe Cell do let(:cell) { described_class.new('a', brush) } let(:brush) { double('brush') } describe '#empty?' do let(:cell) { described_class.new(text, brush) } subject { cell.empty? } context "when text is not blank" do let(:text) { 'a' } let(:brush) { double('brush', :default? => true) } it { should be(false) } end context "when brush is not default" do let(:text) { ' ' } let(:brush) { double('brush', :default? => false) } it { should be(false) } end context "when text is blank and brush is default" do let(:text) { ' ' } let(:brush) { double('brush', :default? => true) } it { should be(true) } end end describe '#==' do let(:other) { described_class.new(text, other_brush) } subject { cell == other } context "when text differs" do let(:text) { 'b' } let(:other_brush) { double('brush', :== => true) } it { should be(false) } end context "when brush differs" do let(:text) { 'a' } let(:other_brush) { double('brush', :== => false) } it { should be(false) } end context "when text and brush are equal" do let(:text) { 'a' } let(:other_brush) { double('brush', :== => true) } it { should be(true) } end end describe '#[]' do let(:cell) { described_class.new('abcdef', brush) } subject { cell[2..4] } it 'returns new cell with the cropped text and the same brush' do expect(subject).to eq(Cell.new('cde', brush)) end end describe '#as_json' do subject { cell.as_json } before do allow(brush).to receive(:as_json) { { fg: 1, bold: true } } end it { should eq(['a', { fg: 1, bold: true }]) } end end