Add basic testing suite

michael-misshore · michael-misshore · commit d294837bd3ff · 2018-01-06T12:37:01.000-06:00
diff --git a/Gemfile b/Gemfile
@@ -7,6 +7,8 @@ group :development, :test do
   gem 'byebug', platform: [:ruby], require: false
   gem 'rubocop', require: false
   gem 'rspec-rails', '~> 3.6'
+  gem 'capybara', '~> 2.16'
+  gem 'pry-rails'
 end
 
 # HACK: npm install on bundle
diff --git a/app_container_name b/app_container_name
@@ -0,0 +1 @@
+criticalpathcss_ruby
diff --git a/config.ru b/config.ru
@@ -1,7 +1,6 @@
 require 'rubygems'
 require 'bundler'
+require 'combustion'
 
-Bundler.require :default, :development
-
-Combustion.initialize! :all
+Combustion.initialize! :action_controller, :action_view
 run Combustion::Application
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -4,13 +4,14 @@ services:
         build:
             context: .
             dockerfile: docker/ruby/Dockerfile
+        ports:
+            - 9292:9292
         volumes:
             - .:/app:rw
         volumes_from:
             - data
         env_file: docker/ruby/.env
         container_name: criticalpathcss_ruby
-
     data:
         build:
             context: .
diff --git a/docker/ruby/startup.dev b/docker/ruby/startup.dev
@@ -2,4 +2,4 @@
 
 bundle check || bundle install
 
-tail -f /dev/null
+bundle exec rackup --host 0.0.0.0
diff --git a/spec/internal/app/controllers/root_controller.rb b/spec/internal/app/controllers/root_controller.rb
@@ -0,0 +1,3 @@
+class RootController < ActionController::Base
+  def index; end
+end
diff --git a/spec/internal/app/views/layouts/application.html.erb b/spec/internal/app/views/layouts/application.html.erb
@@ -0,0 +1,4 @@
+<html>
+  <head></head>
+  <body><%= yield %></body>
+</html>
diff --git a/spec/internal/app/views/root/index.html.erb b/spec/internal/app/views/root/index.html.erb
@@ -0,0 +1 @@
+<p><%= CriticalPathCss.fetch(request.path) %></p>
diff --git a/spec/internal/config/critical_path_css.yml b/spec/internal/config/critical_path_css.yml
@@ -0,0 +1,11 @@
+defaults: &defaults
+  base_url: http://0.0.0.0:9292
+  css_path: /test.css
+  routes:
+    - /
+
+development:
+  <<: *defaults
+
+test:
+  <<: *defaults
diff --git a/spec/internal/config/routes.rb b/spec/internal/config/routes.rb
@@ -1,3 +1,3 @@
 Rails.application.routes.draw do
-  #
+  root 'root#index'
 end
diff --git a/spec/internal/public/test.css b/spec/internal/public/test.css
@@ -0,0 +1,3 @@
+p {
+  color: red;
+}
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
@@ -7,6 +7,7 @@
 Combustion.initialize! :action_controller, :action_view
 
 require 'rspec/rails'
+require 'capybara/rails'
 
 RSpec.configure do |config|
   config.use_transactional_fixtures = true
diff --git a/spec/system/fetch_critical_css_spec.rb b/spec/system/fetch_critical_css_spec.rb
@@ -0,0 +1,16 @@
+require 'spec_helper.rb'
+
+RSpec.describe 'fetching the critical css' do
+  before do
+    CriticalPathCss.generate_all
+  end
+
+  context 'on the root page' do
+    let(:route) { '/' }
+
+    it 'displays the correct critical CSS' do
+      visit route
+      expect(page).to have_content 'color: red;'
+    end
+  end
+end

Original file line number	Diff line number	Diff line change
`@@ -2,4 +2,4 @@`
`2`	`2`
`3`	`3`	`bundle check \|\| bundle install`
`4`	`4`
`5`		`-tail -f /dev/null`
	`5`	`+bundle exec rackup --host 0.0.0.0`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+class RootController < ActionController::Base`
	`2`	`+ def index; end`
	`3`	`+end`
-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +<html>
 +  <head></head>
 +  <body><%= yield %></body>
 +</html>
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+<p><%= CriticalPathCss.fetch(request.path) %></p>`