test.sh

gem install image_science -v 1.2.3
gem install image_science -v 1.2.4

export INLINEDIR=/tmp/.ruby_inline

ruby -e "gem 'image_science', '1.2.3'; require './test_inline.rb'"
ruby -e "gem 'image_science', '1.2.4'; require './test_inline.rb'"

rm -rf /tmp/.ruby_inline

ruby -e "gem 'image_science', '1.2.4'; require './test_inline.rb'"
ruby -e "gem 'image_science', '1.2.3'; require './test_inline.rb'"

test_inline.rb

require 'minitest/autorun'
require 'image_science'

p ImageScience::VERSION

class TestNewInlineDir < MiniTest::Unit::TestCase
  def test_orientation
    data = File.new("test/portrait.jpg").binmode.read
    ImageScience.with_image_from_memory data do |img|
      assert_equal 50, img.height
      assert_equal 38, img.width
    end
  end
end