require 'spec_helper'
#require 'pathname'
#require 'middleman-core'
require_relative '../../lib/middleman-webp/extension'

describe Middleman::WebPExtension do

  before do
    #Middleman::Extension.any_instance.expects(:initialize).returns(true)
    app_mock = stub({
                      initialized: '',
                      instance_available: true,
                      after_configuration: nil,
                      after_build: nil
                    })
    @extension = Middleman::WebPExtension.new(app_mock)
  end

  describe '#dependencies_installed?' do
    it 'returns true if required command line tools are found' do
      Shell.any_instance.expects(:find_system_command).with('cwebp').returns('/usr/bin/cwebp')
      Shell.any_instance.expects(:find_system_command).with('gif2webp').returns('/usr/bin/gif2webp')

      @extension.dependencies_installed?(stub(say_status: '')).must_equal true
    end

    it 'returns false and displays error if cwebp is missing' do
      Shell.any_instance.expects(:find_system_command).with('cwebp').raises(Shell::Error::CommandNotFound)
      Shell.any_instance.stubs(:find_system_command).with('gif2webp').returns('/usr/bin/gif2webp')

      builder_mock = stub(:say_status)
      builder_mock.stubs(:say_status).once

      @extension.dependencies_installed?(builder_mock).must_equal false
    end

    it 'displays error if only gif2webp is missing and returns still true' do
      Shell.any_instance.expects(:find_system_command).with('gif2webp').raises(Shell::Error::CommandNotFound)
      Shell.any_instance.stubs(:find_system_command).with('cwebp').returns('/usr/bin/cwebp')

      builder_mock = stub(:say_status)
      builder_mock.stubs(:say_status).once

      @extension.dependencies_installed?(builder_mock).must_equal true
    end
  end

end