Merge pull request #5 from sobrinho/master

Add tests

Gemfile

@@ -2,4 +2,3 @@ source "http://rubygems.org"
 
 # Specify your gem's dependencies in furnace.gemspec
 gemspec
-gem 'hanna-nouveau'

Rakefile

@@ -1,6 +1,9 @@
 require 'bundler/gem_tasks'
+require 'rspec/core/rake_task'
 require 'rdoc/task'
 
+RSpec::Core::RakeTask.new(:test)
+
 Rake::RDocTask.new do |rd|
   rd.main        = 'README.rdoc'
   rd.title       = 'RLua Documentation'

rlua.gemspec

@@ -23,6 +23,7 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency 'rdoc'
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'hanna-nouveau'
+  gem.add_development_dependency 'rspec'
 
   gem.extra_rdoc_files = Dir['*.rdoc', 'ext/*.c'].to_a
   gem.rdoc_options     = ['--main=README.rdoc', '--title=RLua Documentation']

spec/rlua_spec.rb

@@ -0,0 +1,41 @@
+require 'rlua'
+
+describe Lua::State do
+  context 'ruby' do
+    it 'creates a variable in Ruby and pass it to Lua' do
+      subject.value = 10
+
+      subject.__eval 'value = value * 2'
+
+      expect(subject.value).to eq 20
+    end
+
+    it 'creates a table in Ruby and pass it to Lua' do
+      subject.ruby = {
+        'meaning_of_life' => 42,
+        'zaphod' => lambda { |table| p "Meaning of life: #{table.meaning_of_life}" }
+      }
+
+      expect { subject.__eval "ruby:zaphod()" }.to output("\"Meaning of life: 42.0\"\n").to_stdout
+    end
+  end
+
+  describe 'lua' do
+    it 'creates a variable in Lua and pass it to Ruby' do
+      subject.__eval 'value = 15'
+
+      expect(subject.value).to eq 15
+    end
+
+    it 'creates a function in Lua and launch it from Ruby' do
+      subject.__eval "ran = false"
+      subject.__eval "function lua_func() ran = true end"
+
+      expect(subject.ran).to be_falsey
+
+      subject.lua_func
+
+      expect(subject.ran).to be_truthy
+    end
+  end
+end