require 'spec_helper'

describe Alternator::CLI do
  let(:arguments) { ['action', 'some', 'arguments'] }
  let(:cli)       { Alternator::CLI.new arguments }

  before do
    module  Alternator
      module Actions
        class Action
          include Alternator::Action
        end
      end
    end
  end

  describe '#arguments' do
    it 'returns all the arguments' do
      cli.arguments.must_equal arguments
    end
  end

  describe '#action' do
    it 'returns the action instance' do
      cli.action.must_be_instance_of Alternator::Actions::Action
    end

    it 'returns the action with action arguments assigned' do
      cli.action.arguments.must_equal cli.action_arguments
    end
  end

  describe '#action_class_const' do
    it 'returns the action class const, named after the first argument' do
      cli.action_class_const.must_equal Alternator::Actions::Action
    end
  end

  describe '#action_arguments' do
    it 'returns the action arguments' do
      cli.action_arguments.must_equal arguments.drop(1)
    end
  end

  describe '#run' do
    it 'sends :execute to the action' do
      action = MiniTest::Mock.new
      action.expect :execute, nil
      cli.action = action
      cli.run
      action.verify
    end
  end
end