Add Guard to run rspec on file change.

Gemfile

@@ -236,6 +236,8 @@ group :development do
   gem 'rblineprof', platform: :mri, require: false
   gem 'web-console', '~> 2.0'
+  gem 'guard-rspec', require: false
+
   # Better errors handler
   gem 'better_errors', '~> 1.0.1'
   gem 'binding_of_caller', '~> 0.7.2'

Gemfile.lock

@@ -396,6 +396,20 @@ GEM
     grape-entity (0.4.8)
       activesupport
       multi_json (>= 1.3.2)
+    guard (2.13.0)
+      formatador (>= 0.2.4)
+      listen (>= 2.7, <= 4.0)
+      lumberjack (~> 1.0)
+      nenv (~> 0.1)
+      notiffany (~> 0.0)
+      pry (>= 0.9.12)
+      shellany (~> 0.0)
+      thor (>= 0.18.1)
+    guard-compat (1.2.1)
+    guard-rspec (4.6.4)
+      guard (~> 2.1)
+      guard-compat (~> 1.1)
+      rspec (>= 2.99.0, < 4.0)
     haml (4.0.7)
       tilt
     haml-rails (0.9.0)
@@ -459,6 +473,7 @@ GEM
       rb-inotify (>= 0.9)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
+    lumberjack (1.0.10)
     macaddr (1.7.1)
       systemu (~> 2.6.2)
     mail (2.6.3)
@@ -474,6 +489,7 @@ GEM
     multi_xml (0.5.5)
     multipart-post (2.0.0)
     mysql2 (0.3.20)
+    nenv (0.2.0)
     nested_form (0.3.2)
     net-ldap (0.12.1)
     net-ssh (3.0.1)
@@ -484,6 +500,9 @@ GEM
     newrelic_rpm (3.9.4.245)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
+    notiffany (0.0.8)
+      nenv (~> 0.1)
+      shellany (~> 0.0)
     nprogress-rails (0.1.6.7)
     oauth (0.4.7)
     oauth2 (1.0.0)
@@ -731,6 +750,7 @@ GEM
     sexp_processor (4.6.0)
     sham_rack (1.3.6)
       rack
+    shellany (0.0.1)
     shoulda-matchers (2.8.0)
       activesupport (>= 3.0.0)
     sidekiq (4.0.1)
@@ -941,6 +961,7 @@ DEPENDENCIES
   gon (~> 6.0.1)
   grape (~> 0.13.0)
   grape-entity (~> 0.4.2)
+  guard-rspec
   haml-rails (~> 0.9.0)
   hipchat (~> 1.5.0)
   html-pipeline (~> 1.11.0)

Guardfile

+guard :rspec, cmd: "bundle exec rspec" do
+  require "guard/rspec/dsl"
+  dsl = Guard::RSpec::Dsl.new(self)
+
+  # Feel free to open issues for suggestions and improvements
+
+  # RSpec files
+  rspec = dsl.rspec
+  watch(rspec.spec_helper) { rspec.spec_dir }
+  watch(rspec.spec_support) { rspec.spec_dir }
+  watch(rspec.spec_files)
+
+  # Ruby files
+  ruby = dsl.ruby
+  dsl.watch_spec_files_for(ruby.lib_files)
+
+  # Rails files
+  rails = dsl.rails(view_extensions: %w(erb haml slim))
+  dsl.watch_spec_files_for(rails.app_files)
+  dsl.watch_spec_files_for(rails.views)
+
+  watch(rails.controllers) do |m|
+    [
+      rspec.spec.("routing/#{m[1]}_routing"),
+      rspec.spec.("controllers/#{m[1]}_controller"),
+      rspec.spec.("acceptance/#{m[1]}")
+    ]
+  end
+
+  # Rails config changes
+  watch(rails.spec_helper)     { rspec.spec_dir }
+  watch(rails.routes)          { "#{rspec.spec_dir}/routing" }
+  watch(rails.app_controller)  { "#{rspec.spec_dir}/controllers" }
+
+  ignore! /tmp/
+end