Add support for parallel_tests

.rspec_parallel

@@ -0,0 +1,2 @@
+--format progress
+--format ParallelTests::RSpec::SummaryLogger --out tmp/spec_summary.log

Gemfile

@@ -95,6 +95,7 @@ group :development, :ci, :test do
   gem 'standard', '~> 0.1.2'
   gem 'rspec-rails', '~> 3.8', '>= 3.8.2'
   gem 'rspec', '~> 3.8'
+  gem 'parallel_tests', '~> 2.32'
 end
 
 group :ci, :test do

Gemfile.lock

@@ -311,6 +311,8 @@ GEM
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     parallel (1.17.0)
+    parallel_tests (2.32.0)
+      parallel
     parser (2.6.3.0)
       ast (~> 2.4.0)
     pg (0.21.0)
@@ -547,6 +549,7 @@ DEPENDENCIES
   mini_magick (~> 4.9)
   nearest_time_zone (~> 0.0.4)
   parallel (~> 1.17)
+  parallel_tests (~> 2.32)
   param_validation!
   pg (~> 0.11)
   pry (~> 0.12.2)

config/database.yml

@@ -25,7 +25,7 @@ development:
 test:
   adapter: postgresql
   encoding: unicode
-  database: commitchange_test
+  database: houdini_test<%= ENV['TEST_ENV_NUMBER'] %>
   pool: 5
   username: houdini_user
   password: password

config/environments/test.rb

@@ -45,4 +45,7 @@ Commitchange::Application.configure do
 
   # Raises error for missing translations
   # config.action_view.raise_on_missing_translations = true
+
+  #recommended by https://github.com/grosser/parallel_tests/wiki
+  config.cache_store = :file_store, Rails.root.join("tmp", "cache", "paralleltests#{ENV['TEST_ENV_NUMBER']}")
 end

spec/spec_helper.rb

@@ -115,4 +115,7 @@ RSpec.configure do |config|
   end
 
   config.include(Wisper::RSpec::BroadcastMatcher)
+
+   # mute noise for parallel tests
+   config.silence_filter_announcements = true if ENV['TEST_ENV_NUMBER']
 end