using custom parallelized specs gem for rspec tests

Change-Id: Ia7d9ca7fd19267e9a3a66611b50d64bfc7bf3445
Reviewed-on: https://gerrit.instructure.com/10115
Tested-by: Hudson <hudson@instructure.com>
Reviewed-by: Bryan Madsen <bryan@instructure.com>

Gemfile

@@ -72,7 +72,7 @@ group :test do
   gem 'coffee-script-source',  '1.1.2' #pinned so everyone's compiled output matches
   gem 'bluecloth',    '2.0.10' # for generating api docs
   gem 'parallel',     '0.5.16'
-  gem 'parallel_tests-instructure', '0.6.19'
+  gem 'parallelized_specs', '0.0.8'
   gem 'mocha',        '0.10.0'
   gem 'rcov',         '0.9.9'
   gem 'rspec',        '1.3.2'

Rakefile

@@ -9,4 +9,4 @@ require 'rdoc/task'
 
 require 'tasks/rails'
 
-begin; require 'parallel_tests/tasks'; rescue LoadError; end
+begin; require 'parallelized_specs/tasks'; rescue LoadError; end

lib/tasks/parallelized.rake

@@ -0,0 +1,33 @@
+# Don't load rspec if running "rake gems:*"
+unless ARGV.any? { |a| a =~ /\Agems/ }
+
+  namespace :parallel do
+    task :nonselenium, :count do |t, args|
+      require "parallelized_specs"
+      count = args[:count]
+      test_files = FileList['vendor/plugins/*/spec_canvas/**/*_spec.rb'].exclude('vendor/plugins/*/spec_canvas/selenium/*_spec.rb') + FileList['spec/**/*_spec.rb'].exclude('spec/selenium/*_spec.rb')
+      test_files.map! { |f| "#{Rails.root}/#{f}" }
+      Rake::Task['parallel:spec'].invoke(count, '', '', test_files.join(' '))
+    end
+
+    task :selenium, :count do |t, args|
+      require "parallelized_specs"
+      count = args[:count]
+      test_files = FileList['spec/selenium/*_spec.rb'] + FileList['vendor/plugins/*/spec_canvas/selenium/*_spec.rb']
+      test_files.map! { |f| "#{Rails.root}/#{f}" }
+      Rake::Task['parallel:spec'].invoke(count, '', '', test_files.join(' '))
+    end
+
+    task :pattern, :count, :file_pattern do |t, args|
+      require "parallelized_specs"
+      count = args[:count]
+      file_pattern = args[:file_pattern]
+      if count.nil? || file_pattern.nil?
+        raise "Must specify a thread count and file pattern"
+      end
+      test_files = FileList[file_pattern]
+      test_files.map! { |f| "#{Rails.root}/#{f}" }
+      Rake::Task['parallel:spec'].invoke(count, '', '', test_files.join(' '))
+    end
+  end
+end