✅ implements system tests (#68)

Gemfile

@@ -73,4 +73,8 @@ group :test do
   gem "capybara", "3.39.2"
   # Framework library to test our code [https://github.com/rspec/rspec-rails/]
   gem "rspec-rails", "5.1.2"
+  # Limited DevTools interactions for Selenium WebDriver [https://rubygems.org/gems/selenium-devtools]
+  gem "selenium-devtools", "0.120.0"
+  # A browser automation framework and ecosystem [https://github.com/SeleniumHQ/selenium]
+  gem "selenium-webdriver", "4.16.0"
 end

Gemfile.lock

@@ -299,6 +299,13 @@ GEM
     ruby-progressbar (1.13.0)
     ruby-vips (2.2.0)
       ffi (~> 1.12)
+    rubyzip (2.3.2)
+    selenium-devtools (0.120.0)
+      selenium-webdriver (~> 4.2)
+    selenium-webdriver (4.16.0)
+      rexml (~> 3.2, >= 3.2.5)
+      rubyzip (>= 1.2.2, < 3.0)
+      websocket (~> 1.0)
     service_actor (3.2.0)
     shoulda-matchers (6.0.0)
       activesupport (>= 5.2.0)
@@ -332,6 +339,7 @@ GEM
       activemodel (>= 6.0.0)
       bindex (>= 0.4.0)
       railties (>= 6.0.0)
+    websocket (1.2.10)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
@@ -366,6 +374,8 @@ DEPENDENCIES
   rubocop-performance (= 1.20.1)
   rubocop-rails (= 2.23.1)
   rubocop-rspec (= 2.25.0)
+  selenium-devtools (= 0.120.0)
+  selenium-webdriver (= 4.16.0)
   service_actor (= 3.2.0)
   shoulda-matchers (= 6.0.0)
   sprockets-rails (= 3.4.2)

spec/support/capybara.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+require "capybara/rails"
+require "capybara/rspec"
+
+RSpec.configure do |config|
+  %i[component page].each do |type|
+    config.include Capybara::RSpecMatchers, type: type
+  end
+
+  config.before(:each, type: :system) do
+    driven_by(:selenium, using: :headless_chrome, screen_size: [1920, 1080]) do |options|
+      # Enable this if you want to see browser console logs
+      # Then you can run add `puts page.driver.browser.logs.get(:browser)` to your tests`
+      # options.add_option "goog:loggingPrefs", { browser: "ALL" }
+    end
+  end
+end

spec/support/devise.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module Devise
+  module CustomSignInHelpers
+    # This method requires `factory_bot` gem installed and a `:user` factory registered
+    # It creates a new user if no parameter is given, and returns the signed in user
+    def sign_in(user = create(:user))
+      super(user)
+      user
+    end
+  end
+end
+
+RSpec.configure do |config|
+  %i[request system].each do |type|
+    config.include Devise::Test::IntegrationHelpers, type: type
+    config.include Devise::CustomSignInHelpers, type: type
+  end
+end

spec/system/posts/create_spec.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe "Create post" do
+  context "with valid form" do
+    it "creates a new post" do
+      sign_in
+
+      visit root_path
+
+      click_link(I18n.t("application.navbar_component.new"))
+      attach_file("post_image", Rails.root.join("spec/fixtures/files/image.png"), make_visible: true)
+      fill_in I18n.t("posts.new_page.subtitle"), with: "test subtitle"
+      click_button(I18n.t("posts.new_page.create_post"))
+
+      expect(page).to have_text("test subtitle")
+        .and have_css("img[src*='image.png']")
+        .and have_text("Publicação criada com sucesso")
+    end
+  end
+
+  context "with invalid form" do
+    it "re-renders form with error" do
+      skip "it needs to be implemented"
+    end
+  end
+end

spec/system/posts/update_spec.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe "Update post" do
+  context "with valid form" do
+    it "updates the post" do
+      user = sign_in
+      create(:post, user: user)
+
+      visit root_path
+
+      click_link(I18n.t("structure.card_component.edit"))
+      fill_in "Your subtitle", with: "test subtitle"
+      click_button("Edit post")
+
+      expect(page).to have_text("test subtitle")
+    end
+  end
+
+  context "with invalid form" do
+    it "re-renders form with error" do
+      skip "it needs to be implemented"
+    end
+  end
+end