update rake tasks

.gitignore

@@ -5,3 +5,4 @@ Gemfile.lock
 *.rbc
 *.swp
 .ruby-version
+coverage

Gemfile

@@ -15,6 +15,7 @@ end
 
 group :extra do
   gem 'ZenTest'
+  gem 'pry'
 end
 
 group :osx do

Rakefile

@@ -1,13 +1,18 @@
-lib = File.expand_path('../lib/', __FILE__)
-$:.unshift lib unless $:.include?(lib)
+require 'bundler'
+begin
+  Bundler.setup
+rescue Bundler::BundlerError => e
+  $stderr.puts e.message
+  $stderr.puts "Run `bundle install` to install missing gems"
+  exit e.status_code
+end
 
 require 'rake/clean'
-require 'rake/testtask'
 require 'rake/extensiontask'
 
+$:.unshift(File.join(File.dirname(__FILE__), './lib'))
 require 'wapiti/version'
 
-task :default => [:test]
 
 Rake::ExtensionTask.new do |ext|
   ext.name = 'native'
@@ -17,9 +22,34 @@ Rake::ExtensionTask.new do |ext|
 
   CLEAN.include("#{ext.lib_dir}/native.*")
   CLEAN.include("#{ext.tmp_dir}")  
-
 end
 
+require 'rspec/core'
+require 'rspec/core/rake_task'
+RSpec::Core::RakeTask.new(:spec) do |spec|
+  spec.pattern = FileList['spec/**/*_spec.rb']
+end
+
+desc 'Run an IRB session with Wapiti loaded'
+task :console do
+  require 'pry'
+  require 'wapiti'
+
+  Pry.start
+end
+
+task :check_warnings do
+  $VERBOSE = true
+  require 'wapiti'
+  puts Wapiti::VERSION
+end
+
+require 'coveralls/rake/task'
+Coveralls::RakeTask.new
+task :test_with_coveralls => [:spec, 'coveralls:push']
+
+task :default => [:compile, :spec]
+
 task :build => [:clean] do
   system 'gem build wapiti.gemspec'
 end