From 67243bda3157a9046148b41579f0b1e8cf4a7116 Mon Sep 17 00:00:00 2001
From: "Akihiko Odaki (@fn_aki@pawoo.net)" <akihiko.odaki.4i@stu.hosei.ac.jp>
Date: Mon, 26 Jun 2017 04:42:55 +0900
Subject: [PATCH] Cover Auth::RegistrationsController more (#3353)

---
 .../auth/registrations_controller_spec.rb     | 103 +++++++++++++++---
 1 file changed, 88 insertions(+), 15 deletions(-)

diff --git a/spec/controllers/auth/registrations_controller_spec.rb b/spec/controllers/auth/registrations_controller_spec.rb
index df0a3bfa6b..97d2c53df7 100644
--- a/spec/controllers/auth/registrations_controller_spec.rb
+++ b/spec/controllers/auth/registrations_controller_spec.rb
@@ -3,37 +3,110 @@ require 'rails_helper'
 RSpec.describe Auth::RegistrationsController, type: :controller do
   render_views
 
-  describe 'GET #new' do
-    before do
+  shared_examples 'checks for enabled registrations' do |path|
+    around do |example|
+      open_registrations = Setting.open_registrations
+      example.run
+      Setting.open_registrations = open_registrations
+    end
+
+    it 'redirects if it is in single user mode while it is open for registration' do
+      Fabricate(:account)
       Setting.open_registrations = true
-      request.env["devise.mapping"] = Devise.mappings[:user]
+      expect(Rails.configuration.x).to receive(:single_user_mode).and_return(true)
+
+      get path
+
+      expect(response).to redirect_to '/'
+    end
+
+    it 'redirects if it is not open for registration while it is not in single user mode' do
+      Setting.open_registrations = false
+      expect(Rails.configuration.x).to receive(:single_user_mode).and_return(false)
+
+      get path
+
+      expect(response).to redirect_to '/'
     end
+  end
 
+  describe 'GET #edit' do
     it 'returns http success' do
-      get :new
+      request.env["devise.mapping"] = Devise.mappings[:user]
+      sign_in(Fabricate(:user))
+      get :edit
       expect(response).to have_http_status(:success)
     end
   end
 
-  describe 'POST #create' do
-    let(:accept_language) { Rails.application.config.i18n.available_locales.sample.to_s }
+  describe 'GET #update' do
+    it 'returns http success' do
+      request.env["devise.mapping"] = Devise.mappings[:user]
+      sign_in(Fabricate(:user), scope: :user)
+      post :update
+      expect(response).to have_http_status(:success)
+    end
+  end
 
+  describe 'GET #new' do
     before do
-      Setting.open_registrations = true
       request.env["devise.mapping"] = Devise.mappings[:user]
-      request.headers["Accept-Language"] = accept_language
-      post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678' } }
     end
 
-    it 'redirects to login page' do
-      expect(response).to redirect_to new_user_session_path
+    context do
+      around do |example|
+        open_registrations = Setting.open_registrations
+        example.run
+        Setting.open_registrations = open_registrations
+      end
+
+      it 'returns http success' do
+        Setting.open_registrations = true
+        get :new
+        expect(response).to have_http_status(:success)
+      end
     end
 
-    it 'creates user' do
-      user = User.find_by(email: 'test@example.com')
-      expect(user).to_not be_nil
-      expect(user.locale).to eq(accept_language)
+    include_examples 'checks for enabled registrations', :new
+  end
+
+  describe 'POST #create' do
+    let(:accept_language) { Rails.application.config.i18n.available_locales.sample.to_s }
+
+    before { request.env["devise.mapping"] = Devise.mappings[:user] }
+
+    context do
+      around do |example|
+        open_registrations = Setting.open_registrations
+        example.run
+        Setting.open_registrations = open_registrations
+      end
+
+      subject do
+        Setting.open_registrations = true
+        request.headers["Accept-Language"] = accept_language
+        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678' } }
+      end
+
+      it 'redirects to login page' do
+        subject
+        expect(response).to redirect_to new_user_session_path
+      end
+
+      it 'creates user' do
+        subject
+        user = User.find_by(email: 'test@example.com')
+        expect(user).to_not be_nil
+        expect(user.locale).to eq(accept_language)
+      end
+    end
+
+    it 'does nothing if user already exists' do
+      Fabricate(:user, account: Fabricate(:account, username: 'test'))
+      subject
     end
+
+    include_examples 'checks for enabled registrations', :create
   end
 
   describe 'DELETE #destroy' do