travis CI integration

* isolate Jammit::VERSION into single file (easy to require)
* remove redgreen from Rakefile (contentious?)
* remove -rrubygems from bin/jammit - use inline require
* use `bundle exec` path in tests

Author: alunny

.travis.yml

@@ -0,0 +1,5 @@
+language: ruby
+rvm:
+  - "1.8.7"
+  - "1.9.2"
+  - "1.9.3"

Rakefile

@@ -5,8 +5,6 @@ task :test, [:path] do |task, args|
   ENV['RAILS_ENV'] = 'test'
   $LOAD_PATH.unshift(File.expand_path('test'))
 
-  require 'redgreen'
-
   if args[:path]
     require args[:path]
   else

bin/jammit

@@ -1,7 +1,8 @@
-#!/usr/bin/env ruby -rrubygems
+#!/usr/bin/env ruby
+require 'rubygems'
 require 'pathname'
 
 APP_ROOT = File.dirname(Pathname.new(__FILE__).realpath)
 require File.join(APP_ROOT, '../lib/jammit/command_line.rb')
 
-Jammit::CommandLine.new
+Jammit::CommandLine.new

jammit.gemspec

@@ -1,7 +1,7 @@
 lib = File.expand_path('../lib/', __FILE__)
 $:.unshift lib unless $:.include?(lib)
 
-require 'jammit'
+require 'jammit/version'
 
 Gem::Specification.new do |s|
   s.name      = 'jammit'

lib/jammit.rb

@@ -4,8 +4,6 @@
 # to all of the configuration options.
 module Jammit
 
-  VERSION                       = "0.6.5"
-
   ROOT                          = File.expand_path(File.dirname(__FILE__) + '/..')
 
   ASSET_ROOT                    = File.expand_path((defined?(Rails) && Rails.root.to_s.length > 0) ? Rails.root : ENV['RAILS_ROOT'] || ".") unless defined?(ASSET_ROOT)

lib/jammit/version.rb

@@ -0,0 +1,3 @@
+module Jammit
+  VERSION                       = "0.6.5"
+end

test/integration/test_command_line.rb

@@ -2,6 +2,7 @@
 require 'zlib'
 
 class CommandLineTest < Test::Unit::TestCase
+  JAMMIT = "bundle exec bin/jammit"
 
   def setup
     ENV['RAILS_ROOT'] = 'test'
@@ -15,12 +16,12 @@ def teardown
   end
 
   def test_version_and_help_can_run
-    assert system('bin/jammit -v > /dev/null')
-    assert system('bin/jammit -h > /dev/null')
+    assert system("#{ JAMMIT } -v > /dev/null")
+    assert system("#{ JAMMIT } -h > /dev/null")
   end
 
   def test_jammit_precaching
-    system('bin/jammit -c test/config/assets.yml -o test/precache -u http://www.example.com')
+    system("#{ JAMMIT } -c test/config/assets.yml -o test/precache -u http://www.example.com")
     assert_equal PRECACHED_FILES, glob('test/precache/*')
 
     assert_equal zlib_read('test/precache/css_test-datauri.css.gz'),
@@ -34,12 +35,12 @@ def test_jammit_precaching
   end
 
   def test_lazy_precaching
-    system('bin/jammit -c test/config/assets.yml -o test/precache -u http://www.example.com')
+    system("#{ JAMMIT } -c test/config/assets.yml -o test/precache -u http://www.example.com")
     assert_equal PRECACHED_FILES, glob('test/precache/*')
     mtime = File.mtime(PRECACHED_FILES.first)
-    system('bin/jammit -c test/config/assets.yml -o test/precache -u http://www.example.com')
+    system("#{ JAMMIT } -c test/config/assets.yml -o test/precache -u http://www.example.com")
     assert_equal File.mtime(PRECACHED_FILES.first), mtime
-    system('bin/jammit -c test/config/assets.yml -o test/precache -u http://www.example.com --force')
+    system("#{ JAMMIT } -c test/config/assets.yml -o test/precache -u http://www.example.com --force")
     assert File.mtime(PRECACHED_FILES.first) > mtime
   end