Create StarsController with #index view

Gemfile

@@ -10,8 +10,6 @@ end
 gem 'rails', '~> 5.1.1'
 # Use Puma as the app server
 gem 'puma', '~> 3.7'
-# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-# gem 'jbuilder', '~> 2.5'
 # Use Redis adapter to run Action Cable in production
 # gem 'redis', '~> 3.0'
 # Use ActiveModel has_secure_password
@@ -25,6 +23,7 @@ gem 'puma', '~> 3.7'
 
 gem 'pg'
 gem 'figaro'
+gem 'jbuilder'
 gem 'coveralls', require: false
 
 group :development, :test do

Gemfile.lock

@@ -58,6 +58,9 @@ GEM
     globalid (0.4.0)
       activesupport (>= 4.2.0)
     i18n (0.8.1)
+    jbuilder (2.6.4)
+      activesupport (>= 3.0.0)
+      multi_json (>= 1.2)
     json (2.1.0)
     json_spec (1.1.5)
       multi_json (~> 1.0)
@@ -170,6 +173,7 @@ DEPENDENCIES
   coveralls
   database_cleaner
   figaro
+  jbuilder
   json_spec
   listen (>= 3.0.5, < 3.2)
   pg

app/controllers/v1/application_controller.rb

@@ -1,4 +1,5 @@
 module V1
   class ApplicationController < ActionController::API
+    include ActionView::Rendering
   end
 end

app/controllers/v1/stars_controller.rb

@@ -0,0 +1,7 @@
+module V1
+  class StarsController < ApplicationController
+    def index
+      @stars = Star.all
+    end
+  end
+end

app/views/v1/stars/index.json.jbuilder

@@ -0,0 +1 @@
+json.array! @stars, :name

config/routes.rb

@@ -1,5 +1,6 @@
 Rails.application.routes.draw do
   namespace :v1 do
     root to: 'root#index'
+    resources :stars, only: :index
   end
 end

spec/controllers/v1/stars_controller_spec.rb

@@ -0,0 +1,21 @@
+require 'rails_helper'
+
+RSpec.describe V1::StarsController, type: :controller do
+  describe 'GET #index' do
+    before do
+      Star.create!(name: 'Sun')
+      get :index, format: :json
+    end
+
+    it 'returns a successful response' do
+      expect(response).to be_success
+      expect(response).to have_http_status(200)
+    end
+
+    it 'contains stars records' do
+      json = response.body
+      expect(json).to have_json_size(1)
+      expect(parse_json(json).first['name']).to eq('Sun')
+    end
+  end
+end

spec/rails_helper.rb

@@ -7,6 +7,8 @@
 require 'rspec/rails'
 # Add additional requires below this line. Rails is not loaded until this point!
 
+require 'database_cleaner'
+
 # Requires supporting ruby files with custom matchers and macros, etc, in
 # spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are
 # run as spec files by default. This means that files in spec/support that end
@@ -20,7 +22,7 @@
 # directory. Alternatively, in the individual `*_spec.rb` files, manually
 # require only the support files necessary.
 #
-# Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
+Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
 
 # Checks for pending migration and applies them before tests are run.
 # If you are not using ActiveRecord, you can remove this line.

spec/support/render_view.rb

@@ -0,0 +1,3 @@
+RSpec.configure do |config|
+  config.render_views = true
+end