require File.dirname(__FILE__) + '/spec_helper.rb'

describe RubyPython do
  describe "#import" do
    it "should handle multiple imports" do
      lambda do
        RubyPython.import 'cPickle'
        RubyPython.import 'urllib'
      end.should_not raise_exception
    end

    it "should propagate Python errors" do
      lambda do
        RubyPython.import 'nonExistentModule'
      end.should raise_exception(RubyPython::PythonError)
    end

    it "should return a RubyPyModule" do
      RubyPython.import('urllib2').should be_a(RubyPython::RubyPyModule)
    end
  end
end

describe RubyPython, :self_start => true do

  describe "#session" do
    it "should start interpreter" do
      RubyPython.session do
        cPickle = RubyPython.import "cPickle"
        cPickle.loads("(dp1\nS'a'\nS'n'\ns(I1\nS'2'\ntp2\nI4\ns.").rubify.should == {"a"=>"n", [1, "2"]=>4}
      end
    end

    it "should stop the interpreter" do
      RubyPython.session do
        cPickle = RubyPython.import "cPickle"
      end

      RubyPython.stop.should be_false
    end
  end

  describe "#run" do
    it "should start interpreter" do
      RubyPython.run do
        cPickle = import "cPickle"
        cPickle.loads("(dp1\nS'a'\nS'n'\ns(I1\nS'2'\ntp2\nI4\ns.").rubify.should == {"a"=>"n", [1, "2"]=>4}
      end
    end

    it "should stop the interpreter" do
      RubyPython.run do
        cPickle = import "cPickle"
      end

      RubyPython.stop.should be_false
    end
  end

  describe '#reload_library', :slow => true do
    it 'leaves RubyPython in a stable state' do
      lambda do 
        RubyPython.instance_eval { reload_library }
        RubyPython.run {}
      end.should_not raise_exception
    end
  end

  describe '.configure', :slow => true do
    it 'allows python executable to be specified', :unless => `which python2.6`.empty? do
      RubyPython.configure :python_exe => 'python2.6'
      RubyPython.run do
        sys = RubyPython.import 'sys'
        sys.version.rubify.to_f.should == 2.6
      end
    end

    after(:all) do
      RubyPython.clear_options
      RubyPython.instance_eval { reload_library }
    end
  end
end