Rails: Can not save on DB during rspec features test - ruby-on-rails

Question

I'm using rspec to perform feature tests and I can't save the user in the DB before the log in.
I'm using factory girl to build the object.
fixture are saved in db at the beginning of the test but are not deleted at the end.(maybe because the test fail. I don't know)
So I can not save the user before clicking on logIn and I get this errror message
--
DEPRECATION WARNING: an empty resource was given to Devise::Strategies::DatabaseAuthenticatable#validate. Please ensure the resource is not nil. (called from set_required_vars at app/controllers/application_controller.rb:43)
spec/features/login_to_mainpage_spec.rb (no error are rescued)
require "rails_helper"
feature 'Navigating to homepage' do
let(:user) { create(:user) }
let(:login_page) { MainLoginPage.new }
scenario "login" do
login_page.visit_page.login(user)
sleep(20)
end
end
A simple page object: spec/features/pages_objects/main_login_page.rb
class MainLoginPage
include Capybara::DSL
def login(user)
fill_in 'email', with: user.email
fill_in 'password', with: "password"
click_on 'logIn'
end
def visit_page
visit '/'
self
end
end
my rails_helper
require 'spec_helper'
require 'capybara/rspec'
require 'capybara/poltergeist'
require "selenium-webdriver"
Dir[Rails.root.join("spec/support/**/*.rb")].each { |f| require f }
Dir[Rails.root.join("spec/features/page_objects/**/*.rb")].each { |f| require f }
RSpec.configure do |config|
config.fixture_path = "#{::Rails.root}/spec/fixtures"
config.use_transactional_fixtures = false
config.before :each do
DatabaseCleaner.start
end
config.after :each do
DatabaseCleaner.clean
end
config.infer_spec_type_from_file_location!
config.include Devise::TestHelpers, :type => :controller
end
Capybara.default_driver = :selenium
Capybara.register_driver :selenium do |app|
Capybara::Selenium::Driver.new(app, :browser => :firefox)
end
in spec helper:
require 'simplecov'
require 'factory_girl'
require 'rspec/autorun'
require File.expand_path("../../config/environment", __FILE__)
require 'rspec/rails'
ENV["RAILS_ENV"] ||= 'test'
RSpec.configure do |config|
include ActionDispatch::TestProcess
config.expect_with :rspec do |expectations|
expectations.include_chain_clauses_in_custom_matcher_descriptions = true
end
config.mock_with :rspec do |mocks|
mocks.verify_partial_doubles = true
end
config.disable_monkey_patching!
if config.files_to_run.one?
config.default_formatter = 'doc'
end
config.profile_examples = 10
config.order = :random
Kernel.srand config.seed
end
EDIT 1
I switch "gem 'factory_girl'" to "gem 'factory_girl_rails'"
and add this to application.rb
config.generators do
|g|
g.test_framework :rspec,
:fixtures => true,
:view_specs => false,
:helper_specs => false,
:routing_specs => false,
:controller_specs => true,
:request_specs => true
g.fixture_replacement :factory_girl, :dir => "spec/factories"
end
I still can not save the user in DB.
Everything pass but I put some sleep(10) in by code to refresh my DB and see te records and user is never saved
EDIT 3
My problem is actually very simple. FactoryGirl.create never save the data in DB if I put in my rails_helper:
config.use_transactional_fixtures = true
or
config.before :each do
DatabaseCleaner.start
end
config.after :each do
DatabaseCleaner.clean
end
/spec/factories
FactoryGirl.define do
factory :user do
email 'pierre#tralala.com'
password 'password'
password_confirmation 'password'
end
/spec/support/factory_girl.rb
RSpec.configure do |config|
config.include FactoryGirl::Syntax::Methods
end
spec/features/login_to_mainpage_spec.rb
let(:user) { create(:user) }
scenario "login" do
login_page.visit_page.login(create(:user))
sleep(5)
end
User will not be saved because of the config I cited before.
I need to have data reseted between tests.
EDIT 4
If I'm using the console
RAILS_ENV=test rails c
FactoryGirl.create(:user) it is saved in db.
I don't understand why it does not work in my tests.

Answer 1

Try using let! to create your user.
From the rSpec documentation:
Note that let is lazy-evaluated: it is not evaluated until the first time
the method it defines is invoked. You can use let! to force the method's
invocation before each example.

Answer 2

You said that you are using FactoryGirl but I do not see this in your test. To create my Users with FactoryGirl I always do something like this:
FactoryGirl.create(:user, password: 'test', password_confirmation: 'test', name: 'test')
If setup correctly in your Factory you can just write:
FactoryGirl.create(:user)

Answer 3

To solve your problem with the unique fields FactoryGirl provides you sequences:
sequence :email do |n|
"person#{n}#example.com"
end
factory :user do
email { generate(:email }
end
This will start with "person1#example.com" and add 1 to the number each time FactoryGirl.create(:user) is called.