test: PokemonsController

Gemfile

@@ -34,9 +34,12 @@ group :test do
   gem 'selenium-webdriver'
   # Easy installation and use of web drivers to run system tests with browsers
   gem 'webdrivers'
+
+  gem 'factory_bot_rails'
+  gem 'faker'
   gem 'rexml' # necessary if using ruby 3+
-  gem 'webmock'
   gem 'vcr'
+  gem 'webmock'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem

Gemfile.lock

@@ -89,6 +89,13 @@ GEM
       rexml
     crass (1.0.6)
     erubi (1.10.0)
+    factory_bot (6.2.0)
+      activesupport (>= 5.0.0)
+    factory_bot_rails (6.2.0)
+      factory_bot (~> 6.2.0)
+      railties (>= 5.0.0)
+    faker (2.19.0)
+      i18n (>= 1.6, < 2)
     ffi (1.15.4)
     globalid (0.5.2)
       activesupport (>= 5.0)
@@ -216,6 +223,8 @@ DEPENDENCIES
   bootsnap (>= 1.4.4)
   byebug
   capybara (>= 3.26)
+  factory_bot_rails
+  faker
   jbuilder (~> 2.7)
   listen (~> 3.3)
   puma (~> 5.0)

config/environments/test.rb

@@ -57,4 +57,6 @@
 
   # Annotate rendered view with file names.
   # config.action_view.annotate_rendered_view_with_filenames = true
+
+  config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }
 end

test/controllers/api/pokemons_controller_test.rb

@@ -0,0 +1,36 @@
+require "test_helper"
+
+class Api::PokemonsControllerTest < ActionDispatch::IntegrationTest
+  def setup
+    create(:pokemon)
+    create(:pokemon)
+  end
+
+  test "index responds successfully" do
+    get api_pokemons_path
+    assert :success
+
+    assert_routing api_pokemons_path, controller: 'api/pokemons', action: 'index'
+  end
+
+  test "index lists all pokemons" do
+    get api_pokemons_path
+
+    assert_equal JSON.parse(response.body).count, Pokemon.count
+  end
+
+  test "show responds successfully" do
+    get api_pokemon_show_path(1)
+    assert :success
+
+    assert_routing api_pokemon_show_path(1), controller: 'api/pokemons', action: 'show', id: '1'
+  end
+
+  test "show retrieves details of one pokemon" do
+    pokemon = Pokemon.first
+
+    get api_pokemon_show_path(pokemon)
+
+    assert_equal JSON.parse(response.body)["id"], pokemon.id
+  end
+end

test/factories/pokemons.rb

@@ -0,0 +1,16 @@
+FactoryBot.define do
+  factory :pokemon do
+    name { Faker::Games::Pokemon.name }
+    base_experience { Faker::Number.number(digits: 2) }
+    height { Faker::Number.number(digits: 2) }
+    is_default { Faker::Boolean.boolean }
+    order { Faker::Number.number(digits: 2) }
+    weight { Faker::Number.decimal(l_digits: 2) }
+
+    after :create do |pokemon|
+      types = FactoryBot.create_list :type, 2
+      pokemon.types << types
+      pokemon.save
+    end
+  end
+end

test/factories/types.rb

@@ -0,0 +1,5 @@
+FactoryBot.define do
+  factory :type do
+    name { Faker::Types.rb_string }
+  end
+end

test/test_helper.rb

@@ -5,6 +5,8 @@
 require 'vcr'
 
 class ActiveSupport::TestCase
+  include FactoryBot::Syntax::Methods
+
   # Run tests in parallel with specified workers
   parallelize(workers: :number_of_processors)