Merge pull request #73 from plaredspear/master

Custom Generator : Controller

lib/generators/api_controller/USAGE

@@ -0,0 +1,8 @@
+Description:
+    Explain the generator
+
+Example:
+    rails generate api_controller Thing
+
+    This will create:
+        what/will/it/create

lib/generators/api_controller/api_controller_generator.rb

@@ -0,0 +1,27 @@
+class ApiControllerGenerator < Rails::Generators::Base
+  source_root File.expand_path('../templates', __FILE__)
+  argument :name, type: :string, default: "apicontroller"
+
+  def generate_controller
+    template "api_controller.rb", "app/controllers/#{controller_name}_controller.rb"
+    template "api_controller_spec.rb", "spec/controllers/#{controller_name}_controller_spec.rb"
+  end
+
+  private
+
+  def controller_name
+    name.underscore
+  end
+
+  def controller_class
+    controller_name.capitalize + "Controller"
+  end
+
+  def model_name
+    controller_name[0...-1]
+  end
+
+  def model_class
+    model_name.capitalize
+  end
+end

lib/generators/api_controller/templates/api_controller.rb

@@ -0,0 +1,38 @@
+class <%= controller_class %> < ApplicationController
+
+  before_action :set_<%= model_name %>, only: [:show, :update, :destroy]
+
+  def index
+    @<%= model_name %>s = <%= model_class %>.all
+    render json: @<%= model_name %>s
+  end
+
+  def show
+    render json: @<%= model_name %>
+  end
+
+  def create
+    @<%= model_name %> = <%= model_class %>.create(<%= model_name %>_params)
+    render json: @<%= model_name %>
+  end
+
+  def update
+    @<%= model_name %>.update(<%= model_name %>_params)
+    render json: @<%= model_name %>
+  end
+
+  def destroy
+    @<%= model_name %>.destroy
+    render json: { message: "destoryed" }
+  end
+
+  private
+
+  def set_<%= model_name %>
+    @<%= model_name %> = <%= model_class %>.find(params[:id])
+  end
+
+  def <%= model_name %>_params
+    params.require(:<%= model_name %>).permit()
+  end
+end

lib/generators/api_controller/templates/api_controller_spec.rb

@@ -0,0 +1,90 @@
+require 'spec_helper'
+
+describe <%= controller_class %> do
+
+  let(:<%= model_name %>) { create(:<%= model_name %>) }
+  let(:valid_attributes) { attributes_for(:<%= model_name %>) }
+  let(:update_attributes) { }
+  let(:invalid_attributes) { }
+
+  describe 'GET #index' do
+    it "> 모든 <%= model_name %>(으)로 instance 변수를 할당한다." do
+      <%= model_name %>s = [<%= model_name %>, create(:<%= model_name %>)]
+      get :index
+      expect(assigns(:<%= model_name %>s)).to match_array(<%= model_name %>s)
+    end
+  end
+
+  describe 'GET #show' do
+    it "> 요청한 <%= model_name %>(으)로 instance 변수를 할당한다." do
+      get :show, id: <%= model_name %>
+      expect(assigns(:<%= model_name %>)).to eq <%= model_name %>
+    end
+  end
+
+  describe 'POST #create' do
+    context "1) params가 유효할 때" do
+      it "> 새로운 <%= model_name %>(을)를 생성한다." do
+        expect{
+          post :create, <%= model_name %>: valid_attributes
+        }.to change(<%= model_class %>, :count).by(1)
+      end
+
+      it "> 새로운 <%= model_name %>(으)로 instance 변수를 할당한다." do
+        post :create, <%= model_name %>: valid_attributes
+        expect(assigns(:<%= model_name %>)).to be_a(<%= model_class %>)
+        expect(assigns(:<%= model_name %>)).to_not be_new_record
+      end
+    end
+
+    context "2) params가 유효하지 않을 때" do
+      it "> 새로운 <%= model_name %>(을)를 생성하지 않는다." do
+        expect{
+          post :create, <%= model_name %>: valid_attributes 
+        }.to change(<%= model_class %>, :count)
+      end
+
+      it "> 새로운 <%= model_name %>(으)로 instance 변수를 할당한다." do
+        post :create, <%= model_name %>: invalid_attributes 
+        expect(assigns(:<%= model_name %>)).to be_a(<%= model_class %>)
+        expect(assigns(:<%= model_name %>)).to be_new_record
+      end
+    end
+  end
+
+  describe 'PUT #update' do
+    context "1) params가 유효할 때" do
+      it "> 요청한 <%= model_name %>(을)를 업데이트한다." do
+        put :update, id: <%= model_name %>, <%= model_name %>: update_attributes
+        <%= model_name %>.reload
+        expect(<%= model_name %>).to eq <%= model_name %>
+      end
+
+      it "> 요청한 <%= model_name %>(으)로 instance 변수를 할당한다." do
+        patch :update, id: <%= model_name %>, <%= model_name %>: update_attributes
+        <%= model_name %>.reload
+        expect(assigns(:<%= model_name %>)).to eq <%= model_name %>
+      end
+    end
+
+    context "2) params가 유효하지 않을 때" do
+      it "> 요청한 <%= model_name %>(을)를 업데이트하지 않는다."
+
+      it "> 요청한 <%= model_name %>(으)로 instance 변수를 할당한다." do
+        patch :update, id: <%= model_name %>, <%= model_name %>: invalid_attributes 
+        <%= model_name %>.reload
+        expect(assigns(:<%= model_name %>)).to eq <%= model_name %>
+      end
+    end
+  end
+
+  describe 'DELETE #destroy' do
+    it "> 요청한 <%= model_name %>(을)를 삭제한다." do
+      <%= model_name %>
+      expect {
+        delete :destroy, id: <%= model_name %>
+      }.to change(<%= model_class %>, :count).by(-1)
+    end
+  end
+
+end