rake tasks for testing

E.g. shotgun-powered reloadable server:

  $ rake test:reloadable

If you don't want to use this, install the bundle without it:

 $ bundle install --without reloadable

Gemfile

@@ -1,5 +1,6 @@
 source 'http://rubygems.org'
 
-gem "json"
-
-gem "sinatra", "= 1.0"
+gem 'sinatra', '~> 1.0'
+gem 'shotgun', :group => :reloadable
+gem 'thin', :group => :reloadable
+gem 'json'

Gemfile.lock

@@ -1,14 +1,26 @@
 GEM
   remote: http://rubygems.org/
   specs:
+    daemons (1.1.0)
+    eventmachine (0.12.10)
     json (1.4.6)
     rack (1.2.1)
-    sinatra (1.0)
+    shotgun (0.8)
       rack (>= 1.0)
+    sinatra (1.1.2)
+      rack (~> 1.1)
+      tilt (~> 1.2)
+    thin (1.2.7)
+      daemons (>= 1.0.9)
+      eventmachine (>= 0.12.6)
+      rack (>= 1.0.0)
+    tilt (1.2.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   json
-  sinatra (= 1.0)
+  shotgun
+  sinatra (~> 1.0)
+  thin

Rakefile

@@ -0,0 +1,47 @@
+desc %(Starts the test server and opens it in a web browser)
+multitask :default => ['test:server', 'test:open']
+
+PORT = 4567
+
+namespace :test do
+  desc %(Starts the test server)
+  task :server do
+    system 'bundle exec ruby test/server.rb'
+  end
+
+  desc %(Starts the test server which reloads everything on each refresh)
+  task :reloadable do
+    exec "bundle exec shotgun test/config.ru -p #{PORT} --server thin"
+  end
+
+  task :open do
+    url = "http://localhost:#{PORT}"
+    puts "Opening test app at #{url} ..."
+    sleep 3
+    system( *browse_cmd(url) )
+  end
+end
+
+# Returns an array e.g.: ['open', 'http://example.com']
+def browse_cmd(url)
+  require 'rbconfig'
+  browser = ENV['BROWSER'] ||
+    (RbConfig::CONFIG['host_os'].include?('darwin') && 'open') ||
+    (RbConfig::CONFIG['host_os'] =~ /msdos|mswin|djgpp|mingw|windows/ && 'start') ||
+    %w[xdg-open x-www-browser firefox opera mozilla netscape].find { |comm| which comm }
+
+  abort('ERROR: no web browser detected') unless browser
+  Array(browser) << url
+end
+
+# which('ruby') #=> /usr/bin/ruby
+def which cmd
+  exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
+  ENV['PATH'].split(File::PATH_SEPARATOR).each do |path|
+    exts.each { |ext|
+      exe = "#{path}/#{cmd}#{ext}"
+      return exe if File.executable? exe
+    }
+  end
+  return nil
+end

test/config.ru

@@ -0,0 +1,3 @@
+$LOAD_PATH.unshift File.expand_path('..', __FILE__)
+require 'server'
+run Sinatra::Application