emails: add show endpoint.

app/controllers/emails_controller.rb

@@ -2,6 +2,13 @@ class EmailsController < ApplicationController
   before_action :member_only
   respond_to :html, :xml, :json
 
+  def show
+    @user = User.find(params[:user_id])
+    check_privilege(@user)
+
+    respond_with(@user.email_address)
+  end
+
   def edit
     @user = User.find(params[:user_id])
     check_privilege(@user)

config/routes.rb

@@ -245,7 +245,7 @@ Rails.application.routes.draw do
   end
   resources :users do
     resources :favorite_groups, controller: "favorite_groups", only: [:index], as: "favorite_groups"
-    resource :email, only: [:edit, :update] do
+    resource :email, only: [:show, :edit, :update] do
       get :verify
     end
     resource :password, only: [:edit, :update]

test/functional/emails_controller_test.rb

@@ -6,6 +6,13 @@ class EmailsControllerTest < ActionDispatch::IntegrationTest
       @user = create(:user, email_address: build(:email_address, { address: "bob@ogres.net", is_verified: false }))
     end
 
+    context "#show" do
+      should "render" do
+        get_auth user_email_path(@user), @user, as: :json
+        assert_response :success
+      end
+    end
+
     context "#edit" do
       should "render" do
         get_auth edit_user_email_path(@user), @user