completing test coverage

app/controllers/accounts_controller.rb

@@ -2,23 +2,17 @@
 class AccountsController < ApplicationController
   before_action :set_account, only: [:show, :edit, :reveal, :update, :destroy]
 
-  # GET /accounts
-  # GET /accounts.json
   def index
     @accounts = Account.all
   end
 
-  # GET /accounts/1
-  # GET /accounts/1.json
   def show
   end
 
-  # GET /accounts/new
   def new
     @account = Account.new
   end
 
-  # GET /accounts/1/edit
   def edit
   end
 
@@ -26,54 +20,37 @@ class AccountsController < ApplicationController
     render json: { hash: @account.password }.to_json
   end
 
-  # POST /accounts
-  # POST /accounts.json
   def create
     @account = Account.new(account_params)
 
-    respond_to do |format|
-      if @account.save
-        format.html { redirect_to @account, notice: 'Account was successfully created.' }
-        format.json { render :show, status: :created, location: @account }
-      else
-        format.html { render :new }
-        format.json { render json: @account.errors, status: :unprocessable_entity }
-      end
+    if @account.save
+      redirect_to @account, notice: 'Account was successfully created.'
+    else
+      flash[:error] = 'Failed to create account'
+      render :new
     end
   end
 
-  # PATCH/PUT /accounts/1
-  # PATCH/PUT /accounts/1.json
   def update
-    respond_to do |format|
-      if @account.update(account_params)
-        format.html { redirect_to @account, notice: 'Account was successfully updated.' }
-        format.json { render :show, status: :ok, location: @account }
-      else
-        format.html { render :edit }
-        format.json { render json: @account.errors, status: :unprocessable_entity }
-      end
+    if @account.update(account_params)
+      redirect_to @account, notice: 'Account was successfully updated.'
+    else
+      flash[:error] = 'Failed to update account'
+      render :edit
     end
   end
 
-  # DELETE /accounts/1
-  # DELETE /accounts/1.json
   def destroy
     @account.destroy
-    respond_to do |format|
-      format.html { redirect_to accounts_url, notice: 'Account was successfully destroyed.' }
-      format.json { head :no_content }
-    end
+    redirect_to accounts_url, notice: 'Account was successfully destroyed.'
   end
 
   private
 
-    # Use callbacks to share common setup or constraints between actions.
     def set_account
       @account = Account.find(params[:id])
     end
 
-    # Never trust parameters from the scary internet, only allow the white list through.
     def account_params
       params.require(:account).permit(:username, :password, :home, :site)
     end

app/controllers/auth_controller.rb

@@ -10,6 +10,7 @@ class AuthController < ApplicationController
     redirect_to login_path
   end
 
+  # :nocov:
   def auth
     redirect_to client.auth_code.authorize_url(redirect_uri: ENV['callback_url'])
   end

app/models/account.rb

@@ -1,4 +1,9 @@
 # frozen_string_literal: true
 class Account < ApplicationRecord
   serialize :password, CryptSerializer
+
+  validates :username, presence: true
+  validates :password, presence: true
+  validates :home, presence: true
+  validates :site, presence: true
 end