Add rspec to the project for testing basic Hermann functionality

.gitignore

@@ -1 +1,7 @@
 hermann.iml
+.ruby-*
+ext/*.so
+ext/*.o
+ext/mkmf.log
+*.sw*
+ext/Makefile

Gemfile

@@ -1,4 +1,9 @@
 # A sample Gemfile
 source "https://rubygems.org"
 
-gem 'rake'
+gem 'rake'
+
+group :test do
+  gem 'rspec', '~> 3.0.0'
+  gem 'rspec-its'
+end

Gemfile.lock

@@ -0,0 +1,28 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.2.5)
+    rake (10.3.2)
+    rspec (3.0.0)
+      rspec-core (~> 3.0.0)
+      rspec-expectations (~> 3.0.0)
+      rspec-mocks (~> 3.0.0)
+    rspec-core (3.0.4)
+      rspec-support (~> 3.0.0)
+    rspec-expectations (3.0.4)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.0.0)
+    rspec-its (1.0.1)
+      rspec-core (>= 2.99.0.beta1)
+      rspec-expectations (>= 2.99.0.beta1)
+    rspec-mocks (3.0.4)
+      rspec-support (~> 3.0.0)
+    rspec-support (3.0.4)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rake
+  rspec (~> 3.0.0)
+  rspec-its

Rakefile

@@ -1,5 +1,7 @@
 
+require 'rubygems'
 require 'rake/clean'
+require 'rspec/core/rake_task'
 
 EXT_CONF = "ext/extconf.rb"
 MAKEFILE = 'ext/Makefile'
@@ -28,4 +30,6 @@ file MODULE => SRC do |t|
 end
 
 desc "Build the native library"
-task :build => MODULE
+task :build => MODULE
+
+RSpec::Core::RakeTask.new(:spec)

spec/spec_helper.rb

@@ -0,0 +1,9 @@
+require 'rubygems'
+
+# Add ext/ to the load path so we can load `hermann_lib`
+$LOAD_PATH.unshift(File.expand_path(File.dirname(__FILE__) + '/../ext/'))
+
+require 'hermann'
+
+RSpec.configure do |c|
+end