Using MiniTest, when trying to test `omniauth-google-oauth2` gem I keep getting a 302 redirect to my sign_in path

I've setup omniauth-google-oauth2 gem with my rails application. And it works but while I try to write my test for it I keep getting a 302 redirect. Many of the website results I've seen reference how to test it in Rspec, but I'm trying to do it with MiniTest that comes with Rails. Since I'm new to it I'm struggling seeing where I'm messing things up.

omniauth-google-oauth2

routes.rb

Rails.application.routes.draw do

devise_for :users, controllers: omniauth_callbacks: "users/omniauth_callbacks"

devise_scope :user do
get 'sign_in', :to => 'devise/sessions#new', :as => :new_user_session
get 'sign_out', :to => 'devise/sessions#destroy', :as => :destroy_user_session
end

root to: "home#index"

end


test_helper.rb

ENV['RAILS_ENV'] ||= 'test'
require_relative '../config/environment'
require 'rails/test_help'
require 'mocha/minitest'

class ActiveSupport::TestCase
# Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
fixtures :all

def setup_omniauth_mock(user)
OmniAuth.config.test_mode = true
OmniAuth.config.mock_auth[:google_oauth2] = OmniAuth::AuthHash.new(
provider: "google_oauth2",
email: "#user.email",
first_name: "#user.first_name",
last_name: "#user.last_name"
)
Rails.application.env_config["devise.mapping"] = Devise.mappings[:user]
Rails.application.env_config["omniauth.auth"] = OmniAuth.config.mock_auth[:google_oauth2]
end

def login_with_user(user)
setup_omniauth_mock(user)
get user_google_oauth2_omniauth_authorize_path
end

end

module ActionController
class TestCase
include Devise::Test::ControllerHelpers
end
end

module ActionDispatch
class IntegrationTest
include Devise::Test::IntegrationHelpers
end
end


test/integration/login_with_google_oauth2_test.rb

require 'test_helper'

class LoginWithGoogleOauth2Test < ActionDispatch::IntegrationTest
setup do
@user = users(:one)
end

test "allows a logged-in user to view the home page" do
login_with_user(@user)
get root_path
assert_redirected_to root_path
assert_selector "h1", text: "#user.full_name"
end

end


Error when running rails test

rails test

daveomcd@mcdonald-PC9020:~/rails_projects/haystack_scout$ rails test
Running via Spring preloader in process 24855
/home/daveomcd/.rvm/gems/ruby-2.5.1/gems/spring-2.0.2/lib/spring/application.rb:185: warning: Insecure world writable dir /home/daveomcd/.rvm/gems/ruby-2.5.1/bin in PATH, mode 040777
Run options: --seed 55919

# Running:

.....F

Failure:
LoginWithGoogleOauth2Test#test_allows_a_logged-in_user_to_view_the_home_page [/mnt/c/Users/mcdonaldd/Documents/Rails Projects/haystack_scout/test/integration/login_with_google_oauth2_test.rb:20]:
Expected response to be a redirect to <http://www.example.com/> but was a redirect to <http://www.example.com/sign_in>.
Expected "http://www.example.com/" to be === "http://www.example.com/sign_in".


bin/rails test test/integration/login_with_google_oauth2_test.rb:17



Finished in 0.238680s, 25.1383 runs/s, 50.2766 assertions/s.
6 runs, 12 assertions, 1 failures, 0 errors, 0 skips


1 Answer
1

So I've been able to figure out a means to testing omniauth-google-oauth2. I'll do my best to show it below. Thanks to anyone who took the time to look into my question.

omniauth-google-oauth2

testintegrationauthorization_integration_test.rb

require 'test_helper'

class AuthorizationIntegrationTest < ActionDispatch::IntegrationTest
include Capybara::DSL
include Capybara::Minitest::Assertions
include Devise::Test::IntegrationHelpers

setup do
OmniAuth.config.test_mode = true
Rails.application.env_config["devise.mapping"] = Devise.mappings[:user]
Rails.application.env_config["omniauth.auth"] = google_oauth2_mock
end

teardown do
OmniAuth.config.test_mode = false
end

test "authorizes and sets user currently in database with Google OAuth" do
visit root_path
assert page.has_content? "Sign in with Google"
click_link "Sign in with Google"
assert page.has_content? "Successfully authenticated from Google account."
end

private

def google_oauth2_mock
OmniAuth.config.mock_auth[:google_oauth2] = OmniAuth::AuthHash.new(
provider: "google_oauth2",
uid: "12345678910",
info:
email: "fakeemail@gmail-fake.com",
first_name: "David",
last_name: "McDonald"
,
credentials:
token: "abcdefgh12345",
refresh_token: "12345abcdefgh",
expires_at: DateTime.now

)
end

end


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