asciinema.org/spec/decorators/asciicast_decorator_spec.rb

require 'rails_helper'

describe AsciicastDecorator do
  include Draper::ViewHelpers

  let(:asciicast) { Asciicast.new }
  let(:decorator) { described_class.new(asciicast) }

  subject { decorator.send(method) }

  describe '#os' do
    let(:method) { :os }

    context 'when user_agent is present' do
      context 'and the OS is Linux' do
        before do
          asciicast.user_agent =
            "asciinema/0.9.7 CPython/3.3.1 " \
            "Linux/3.8.0-30-generic-x86_64-with-Ubuntu-13.04-raring"
        end

        it { should == 'Linux' }
      end

      context 'and the OS is OS X' do
        before do
          asciicast.user_agent =
            "asciinema/0.9.7 CPython/2.7.4 " \
            "Darwin/10.0.0-i386-64bit"
        end

        it { should == 'OS X' }
      end

      context 'and the OS is other' do
        before do
          asciicast.user_agent = "asciinema/0.9.7 CPython/2.7.4 Jola/Misio-Foo"
        end

        it 'should return first token' do
          should == 'Jola'
        end
      end
    end

    context 'when uname is present' do
      context "and it's Linux-like" do
        before do
          asciicast.uname = "Linux t430u 3.5.0-18-generic #29-Ubuntu SMP"
        end

        it { should == 'Linux' }
      end

      context "and it's Darwin-like" do
        before do
          asciicast.uname = "Darwin local 10.3.0 Darwin Kernel Version 10.3.0"
        end

        it { should == 'OS X' }
      end

      context "and it's other" do
        before do
          asciicast.uname = "Jola Misio Foo"
        end

        it 'should return first token' do
          should == 'Jola'
        end
      end
    end

    context 'when user_agent and uname are nil' do
      before do
        asciicast.user_agent = nil
        asciicast.uname = nil
      end

      it { should == 'unknown' }
    end

    context 'when user_agent and uname are a blank string' do
      before do
        asciicast.user_agent = ' '
        asciicast.uname = ' '
      end

      it { should == 'unknown' }
    end
  end

  describe '#terminal_type' do
    let(:method) { :terminal_type }

    it "returns asciicast's terminal_type when non-blank" do
      asciicast.terminal_type = 'foo'
      should == 'foo'
    end

    it 'returns "?" for blank terminal_type' do
      asciicast.terminal_type = nil
      should == '?'

      asciicast.terminal_type = ''
      should == '?'
    end
  end

  describe '#shell' do
    let(:method) { :shell }

    it 'returns last segment of shell path' do
      asciicast.shell = '/usr/bin/some/bar'
      should == 'bar'
    end
  end

  describe '#title' do
    let(:method) { :title }

    context 'when title is present' do
      before do
        asciicast.title = 'tit'
      end

      it { should == 'tit' }
    end

    context 'when no title but command is present' do
      before do
        asciicast.title = nil
        asciicast.command = 'cmd'
      end

      it { should == 'cmd' }
    end

    context 'when no title nor command is present' do
      before do
        asciicast.title = nil
        asciicast.command = nil
        asciicast.id = 999
      end

      it 'should be in the form of "#<id>"' do
        should == "asciicast:#{asciicast.id}"
      end
    end
  end

  describe '#description' do
    let(:method) { :description }

    context 'when description present' do
      before do
        asciicast.description = '**yay**'
      end

      it 'should be processed with markdown processor' do
        should == "<p><strong>yay</strong></p>\n"
      end
    end

    context 'when no description' do
      before do
        asciicast.description = ''
      end

      it { should be(nil) }
    end
  end

  describe '#thumbnail' do
    let(:json) { [:qux] }
    let(:snapshot) { double('snapshot', :thumbnail => thumbnail) }
    let(:thumbnail) { double('thumbnail') }

    before do
      allow(asciicast).to receive(:snapshot) { json }
      allow(Snapshot).to receive(:build).with(json) { snapshot }
      allow(helpers).to receive(:render).
        with('asciicasts/thumbnail', :thumbnail => thumbnail) { '<pre></pre>' }
    end

    it "returns snapshot's thumbnail rendered by SnapshotPresenter" do
      expect(decorator.thumbnail).to eq('<pre></pre>')
    end
  end

  describe '#author_link' do
    subject { decorator.author_link }

    let(:asciicast) { double('asciicast', user: user) }
    let(:user) { double('user', link: 'link') }

    before do
      allow(user).to receive(:decorate) { user }
    end

    it { should eq('link') }
  end

  describe '#author_img_link' do
    subject { decorator.author_img_link }

    let(:asciicast) { double('asciicast', user: user) }
    let(:user) { double('user', img_link: 'img-link') }

    before do
      allow(user).to receive(:decorate) { user }
    end

    it { should eq('img-link') }
  end

  describe '#formatted_duration' do
    subject { decorator.formatted_duration }

    context "when it's below 1 minute" do
      before do
        asciicast.duration = 7.49
      end

      it { should eq("00:07") }
    end

    context "when it's over 1 minute" do
      before do
        asciicast.duration = 77.49
      end

      it { should eq("01:17") }
    end
  end

end