Adding the rakefile back in and setting an ignore

.gitignore

@@ -1,3 +1,4 @@
 /coverage
 coverage.data
 /test/*.sqlite*
+/test/*.log

Rakefile

@@ -0,0 +1,31 @@
+require 'rake'
+require 'rake/testtask'
+require 'rake/rdoctask'
+
+desc 'Default: run unit tests.'
+task :default => :test
+
+desc 'Test the Profanity Filter plugin.'
+Rake::TestTask.new(:test) do |t|
+  t.libs << 'lib'
+  t.pattern = 'test/**/*_test.rb'
+  t.verbose = true
+end
+
+desc 'Generate documentation for the happy plugin.'
+Rake::RDocTask.new(:rdoc) do |rdoc|
+  rdoc.rdoc_dir = 'rdoc'
+  rdoc.title    = 'Profanity Filter'
+  rdoc.options << '--line-numbers' << '--inline-source'
+  rdoc.rdoc_files.include('README')
+  rdoc.rdoc_files.include('lib/**/*.rb')
+end
+
+desc 'Measures test coverage using rcov'
+task :rcov do
+  rm_f "coverage"
+  rm_f "coverage.data"
+  rcov = "rcov --rails --aggregate coverage.data --text-summary -Ilib"
+  system("#{rcov} --html #{Dir.glob('test/**/*_test.rb').join(' ')}")
+  system("open coverage/index.html") if PLATFORM['darwin']
+end