add Axis, Category and Subject

Gemfile

@@ -44,6 +44,11 @@ end
 group :development do
   gem "annotate", "~> 3.2"
   gem "rails-erd", "~> 1.7"
-
   gem "web-console"
 end
+
+group :test do
+  gem "shoulda-matchers", "~> 5.1"
+end
+
+gem "faker", "~> 2.21"

Gemfile.lock

@@ -110,6 +110,8 @@ GEM
     factory_bot_rails (6.2.0)
       factory_bot (~> 6.2.0)
       railties (>= 5.0.0)
+    faker (2.21.0)
+      i18n (>= 1.8.11, < 2)
     faraday (2.3.0)
       faraday-net_http (~> 2.0)
       ruby2_keywords (>= 0.0.4)
@@ -282,6 +284,8 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
+    shoulda-matchers (5.1.0)
+      activesupport (>= 5.2.0)
     sprockets (4.1.1)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -324,6 +328,7 @@ DEPENDENCIES
   devise (~> 4.8)
   dotenv-rails (~> 2.7)
   factory_bot_rails (~> 6.2)
+  faker (~> 2.21)
   importmap-rails
   jbuilder
   omniauth (~> 1.9.1)
@@ -335,6 +340,7 @@ DEPENDENCIES
   redis (~> 4.0)
   rspec-rails (~> 5.1)
   sassc-rails
+  shoulda-matchers (~> 5.1)
   sprockets-rails
   stimulus-rails
   turbo-rails

app/models/axis.rb

@@ -0,0 +1,18 @@
+# == Schema Information
+#
+# Table name: axes
+#
+#  id         :bigint           not null, primary key
+#  name       :string
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+# Indexes
+#
+#  index_axes_on_name  (name) UNIQUE
+#
+class Axis < ApplicationRecord
+  has_many :subjects
+
+  validates :name, presence: true, uniqueness: true
+end

app/models/category.rb

@@ -0,0 +1,18 @@
+# == Schema Information
+#
+# Table name: categories
+#
+#  id         :bigint           not null, primary key
+#  name       :string
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+# Indexes
+#
+#  index_categories_on_name  (name) UNIQUE
+#
+class Category < ApplicationRecord
+  has_many :subjects
+
+  validates :name, presence: true, uniqueness: true
+end

app/models/subject.rb

@@ -0,0 +1,28 @@
+# == Schema Information
+#
+# Table name: subjects
+#
+#  id          :bigint           not null, primary key
+#  name        :string
+#  created_at  :datetime         not null
+#  updated_at  :datetime         not null
+#  axis_id     :bigint           not null
+#  category_id :bigint           not null
+#
+# Indexes
+#
+#  index_subjects_on_axis_id      (axis_id)
+#  index_subjects_on_category_id  (category_id)
+#  index_subjects_on_name         (name) UNIQUE
+#
+# Foreign Keys
+#
+#  fk_rails_...  (axis_id => axes.id)
+#  fk_rails_...  (category_id => categories.id)
+#
+class Subject < ApplicationRecord
+  belongs_to :category
+  belongs_to :axis
+
+  validates :name, presence: true, uniqueness: true
+end

db/migrate/20220721123241_create_categories.rb

@@ -0,0 +1,11 @@
+class CreateCategories < ActiveRecord::Migration[7.0]
+  def change
+    create_table :categories do |t|
+      t.string :name
+
+      t.timestamps
+    end
+
+    add_index(:categories, :name, unique: true)
+  end
+end

db/migrate/20220721123254_create_axes.rb

@@ -0,0 +1,11 @@
+class CreateAxes < ActiveRecord::Migration[7.0]
+  def change
+    create_table :axes do |t|
+      t.string :name
+
+      t.timestamps
+    end
+
+    add_index(:axes, :name, unique: true)
+  end
+end

db/migrate/20220721123327_create_subjects.rb

@@ -0,0 +1,13 @@
+class CreateSubjects < ActiveRecord::Migration[7.0]
+  def change
+    create_table :subjects do |t|
+      t.string :name
+      t.references :category, null: false, foreign_key: true
+      t.references :axis, null: false, foreign_key: true
+
+      t.timestamps
+    end
+
+    add_index(:subjects, :name, unique: true)
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2022_07_21_015136) do
+ActiveRecord::Schema[7.0].define(version: 2022_07_21_123327) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -28,6 +28,31 @@ ActiveRecord::Schema[7.0].define(version: 2022_07_21_015136) do
     t.index ["resource_type", "resource_id"], name: "index_active_admin_comments_on_resource"
   end
 
+  create_table "axes", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["name"], name: "index_axes_on_name", unique: true
+  end
+
+  create_table "categories", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["name"], name: "index_categories_on_name", unique: true
+  end
+
+  create_table "subjects", force: :cascade do |t|
+    t.string "name"
+    t.bigint "category_id", null: false
+    t.bigint "axis_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["axis_id"], name: "index_subjects_on_axis_id"
+    t.index ["category_id"], name: "index_subjects_on_category_id"
+    t.index ["name"], name: "index_subjects_on_name", unique: true
+  end
+
   create_table "users", force: :cascade do |t|
     t.string "email", default: "", null: false
     t.string "encrypted_password", default: "", null: false
@@ -41,4 +66,6 @@ ActiveRecord::Schema[7.0].define(version: 2022_07_21_015136) do
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
   end
 
+  add_foreign_key "subjects", "axes"
+  add_foreign_key "subjects", "categories"
 end

spec/factories/axes.rb

@@ -0,0 +1,18 @@
+# == Schema Information
+#
+# Table name: axes
+#
+#  id         :bigint           not null, primary key
+#  name       :string
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+# Indexes
+#
+#  index_axes_on_name  (name) UNIQUE
+#
+FactoryBot.define do
+  factory :axis do
+    name { Faker::Superhero.name }
+  end
+end

spec/factories/categories.rb

@@ -0,0 +1,18 @@
+# == Schema Information
+#
+# Table name: categories
+#
+#  id         :bigint           not null, primary key
+#  name       :string
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+# Indexes
+#
+#  index_categories_on_name  (name) UNIQUE
+#
+FactoryBot.define do
+  factory :category do
+    name { Faker::Superhero.name }
+  end
+end

spec/factories/subjects.rb

@@ -0,0 +1,29 @@
+# == Schema Information
+#
+# Table name: subjects
+#
+#  id          :bigint           not null, primary key
+#  name        :string
+#  created_at  :datetime         not null
+#  updated_at  :datetime         not null
+#  axis_id     :bigint           not null
+#  category_id :bigint           not null
+#
+# Indexes
+#
+#  index_subjects_on_axis_id      (axis_id)
+#  index_subjects_on_category_id  (category_id)
+#  index_subjects_on_name         (name) UNIQUE
+#
+# Foreign Keys
+#
+#  fk_rails_...  (axis_id => axes.id)
+#  fk_rails_...  (category_id => categories.id)
+#
+FactoryBot.define do
+  factory :subject do
+    name { Faker::Superhero.name }
+    axis
+    category
+  end
+end

spec/models/axis_spec.rb

@@ -0,0 +1,27 @@
+# == Schema Information
+#
+# Table name: axes
+#
+#  id         :bigint           not null, primary key
+#  name       :string
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+# Indexes
+#
+#  index_axes_on_name  (name) UNIQUE
+#
+require 'rails_helper'
+
+RSpec.describe(Axis, type: :model) do
+  describe "associations" do
+    it { is_expected.to(have_many(:subjects)) }
+  end
+
+  describe "validations" do
+    subject { create :axis }
+
+    it { is_expected.to(validate_presence_of(:name)) }
+    it { is_expected.to(validate_uniqueness_of(:name)) }
+  end
+end

spec/models/category_spec.rb

@@ -0,0 +1,25 @@
+# == Schema Information
+#
+# Table name: categories
+#
+#  id         :bigint           not null, primary key
+#  name       :string
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+# Indexes
+#
+#  index_categories_on_name  (name) UNIQUE
+#
+require 'rails_helper'
+
+RSpec.describe(Category, type: :model) do
+  describe "associations" do
+    it { is_expected.to(have_many(:subjects)) }
+  end
+
+  describe "validations" do
+    it { is_expected.to(validate_presence_of(:name)) }
+    it { is_expected.to(validate_uniqueness_of(:name)) }
+  end
+end

spec/models/subject_spec.rb

@@ -0,0 +1,38 @@
+# == Schema Information
+#
+# Table name: subjects
+#
+#  id          :bigint           not null, primary key
+#  name        :string
+#  created_at  :datetime         not null
+#  updated_at  :datetime         not null
+#  axis_id     :bigint           not null
+#  category_id :bigint           not null
+#
+# Indexes
+#
+#  index_subjects_on_axis_id      (axis_id)
+#  index_subjects_on_category_id  (category_id)
+#  index_subjects_on_name         (name) UNIQUE
+#
+# Foreign Keys
+#
+#  fk_rails_...  (axis_id => axes.id)
+#  fk_rails_...  (category_id => categories.id)
+#
+require 'rails_helper'
+
+RSpec.describe(Subject, type: :model) do
+  describe "associations" do
+    it { is_expected.to(belong_to(:axis)) }
+    it { is_expected.to(belong_to(:category)) }
+    # it { is_expected.to(have_many(:questions)) }
+  end
+
+  describe "validations" do
+    subject { create :subject }
+
+    it { is_expected.to(validate_presence_of(:name)) }
+    it { is_expected.to(validate_uniqueness_of(:name)) }
+  end
+end

spec/rails_helper.rb

@@ -39,26 +39,14 @@ RSpec.configure do |config|
   # instead of true.
   config.use_transactional_fixtures = true
 
-  # You can uncomment this line to turn off ActiveRecord support entirely.
-  # config.use_active_record = false
-
-  # RSpec Rails can automatically mix in different behaviours to your tests
-  # based on their file location, for example enabling you to call `get` and
-  # `post` in specs under `spec/controllers`.
-  #
-  # You can disable this behaviour by removing the line below, and instead
-  # explicitly tag your specs with their type, e.g.:
-  #
-  #     RSpec.describe UsersController, type: :controller do
-  #       # ...
-  #     end
-  #
-  # The different available types are documented in the features, such as in
-  # https://relishapp.com/rspec/rspec-rails/docs
   config.infer_spec_type_from_file_location!
-
-  # Filter lines from Rails gems in backtraces.
   config.filter_rails_from_backtrace!
-  # arbitrary gems may also be filtered via:
-  # config.filter_gems_from_backtrace("gem name")
+  config.include(FactoryBot::Syntax::Methods)
+end
+
+Shoulda::Matchers.configure do |config|
+  config.integrate do |with|
+    with.test_framework(:rspec)
+    with.library(:rails)
+  end
 end