add coveralls

.coveralls.yml

@@ -0,0 +1 @@
+service_name: travis-ci

prevent_blankification_validator.gemspec

@@ -24,4 +24,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rake'
   s.add_development_dependency 'rspec'
   s.add_development_dependency 'simplecov'
+  s.add_development_dependency 'coveralls'
 end

spec/spec_helper.rb

@@ -1,17 +1,22 @@
-if RUBY_VERSION =~ /1\.9/ && RUBY_ENGINE == 'ruby'
-  require 'simplecov'
+require 'simplecov'
+require 'coveralls'
 
-  SimpleCov.start do
-    add_filter "/spec"
-  end
+SimpleCov.start do
+  add_filter "/spec"
+end
+
+SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
+  SimpleCov::Formatter::HTMLFormatter,
+  Coveralls::SimpleCov::Formatter
+]
 
-  SimpleCov.at_exit do
-    File.open(File.join(SimpleCov.coverage_path, 'percent.txt'), 'w') do |f|
-      f.write SimpleCov.result.covered_percent
-    end
-    SimpleCov.result.format!
+SimpleCov.at_exit do
+  File.open(File.join(SimpleCov.coverage_path, 'percent.txt'), 'w') do |f|
+    f.write SimpleCov.result.covered_percent
   end
+  SimpleCov.result.format!
 end
+SimpleCov.start
 
 require 'active_model'
 require 'prevent_blankification_validator'