Fixing Coveralls for testing.

README.rdoc

@@ -4,6 +4,8 @@ home :: https://github.com/halostatue/diff-lcs
 code :: https://github.com/halostatue/diff-lcs
 bugs :: https://github.com/halostatue/diff-lcs/issues
 rdoc :: http://rubydoc.info/github/halostatue/diff-lcs
+continuous integration :: {<img src="https://travis-ci.org/halostatue/diff-lcs.png" />}[https://travis-ci.org/halostatue/diff-lcs]
+test coverage :: {<img src="https://coveralls.io/repos/halostatue/diff-lcs/badge.png" alt="Coverage Status" />}[https://coveralls.io/r/halostatue/diff-lcs]
 
 == Description
 
@@ -76,10 +78,6 @@ Mario I. Wolczko's {Smalltalk version 1.2}[ftp://st.cs.uiuc.edu/pub/Smalltalk/MA
 This library is called Diff::LCS because of an early version of Algorithm::Diff
 which was restrictively licensed.
 
-== Continuous Integration Status
-
-{<img src="https://travis-ci.org/halostatue/diff-lcs.png" />}[https://travis-ci.org/halostatue/diff-lcs]
-
 :include: Contributing.rdoc
 
 :include: License.rdoc

Rakefile

@@ -46,7 +46,7 @@ if RUBY_VERSION >= '1.9'
   namespace :spec do
     desc "Submit test coverage to Coveralls"
     task :coveralls do
-      ENV['COVERAGE'] = ENV['COVERALLS'] = 'yes'
+      ENV['COVERALLS'] = 'yes'
     end
 
     desc "Runs test coverage. Only works Ruby 1.9+ and assumes 'simplecov' is installed."

spec/spec_helper.rb

@@ -4,39 +4,33 @@
 require 'pathname'
 require 'psych'
 
-if ENV['COVERAGE']
+if ENV['COVERALLS']
+  require 'coveralls'
+  Coveralls.wear!
+elsif ENV['COVERAGE']
   require 'simplecov'
 
-  if ENV['COVERALLS']
-    require 'coveralls'
-    formatters = Coveralls::SimpleCov::Formatter
-  else
-    def try_require(resource, &block)
-      require resource
-      block.call
-    rescue LoadError
-      nil
-    end
-
-    formatters = [ SimpleCov::Formatter::HTMLFormatter ]
+  def require_do(resource, &block)
+    require resource
+    block.call
+  rescue LoadError
+    nil
+  end
 
-    try_require('simplecov-rcov') { formatters << SimpleCov::Formatter::RcovFormatter }
-    try_require('simplecov-vim/formatter') {
-      formatters << SimpleCov::Formatter::VimFormatter
-    }
-    try_require('simplecov-sublime-ruby-coverage') {
-      formatters << SimpleCov::Formatter::SublimeRubyCoverageFormatter
-    }
+  formatters = [ SimpleCov::Formatter::HTMLFormatter ]
 
-    formatters = if formatters.size == 1
-                   formatters.first
-                 else
-                   SimpleCov::Formatter::MultiFormatter[*formatters]
-                 end
-  end
+  require_do('simplecov-rcov') {
+    formatters << SimpleCov::Formatter::RcovFormatter
+  }
+  require_do('simplecov-vim/formatter') {
+    formatters << SimpleCov::Formatter::VimFormatter
+  }
+  require_do('simplecov-sublime-ruby-coverage') {
+    formatters << SimpleCov::Formatter::SublimeRubyCoverageFormatter
+  }
 
   SimpleCov.start do
-    formatter formatters
+    formatter SimpleCov::Formatter::MultiFormatter[*formatters]
   end
 end