Create feature tests for examples (#9)

* Add GitHub action
* Create docker testing containers for
  * todos scaffold 
  * todos hotwire 
  * todos api 
* Add unit tests

.github/workflows/ci.yml

@@ -0,0 +1,46 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will download a prebuilt Ruby version, install dependencies and run tests with Rake
+# For more information see: https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby
+
+name: Ruby
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  unit-tests:
+    name: Unit tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.3
+          bundler-cache: true
+      - run: bundle install
+      - run: bundle exec rake
+
+  app-tests:
+    name: ${{ matrix.repo }} feature specs
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        repo:
+          - todos-scaffold
+          - todos-hotwire
+          - todos-api
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.3
+          bundler-cache: true
+      - run: bin/test/${{ matrix.repo }}

.gitignore

@@ -6,4 +6,7 @@
 /pkg/
 /spec/reports/
 /tmp/
-examples/*.sqlite*
+examples/*.sqlite*
+**/*.sqlite*
+log/*
+**/uni_rails.gem

Gemfile

@@ -6,5 +6,8 @@ source "https://rubygems.org"
 gemspec
 
 gem "rake", "~> 13.0"
-
 gem "minitest", "~> 5.0"
+gem "rack-test"
+gem "debug"
+gem "sqlite3"
+gem "puma"

Gemfile.lock

@@ -88,6 +88,9 @@ GEM
     connection_pool (2.4.1)
     crass (1.0.6)
     date (3.3.4)
+    debug (1.9.2)
+      irb (~> 1.10)
+      reline (>= 0.3.8)
     drb (2.2.1)
     erubi (1.12.0)
     globalid (1.2.1)
@@ -120,10 +123,16 @@ GEM
     net-smtp (0.5.0)
       net-protocol
     nio4r (2.7.1)
+    nokogiri (1.16.3-arm64-darwin)
+      racc (~> 1.4)
     nokogiri (1.16.3-x86_64-darwin)
       racc (~> 1.4)
+    nokogiri (1.16.3-x86_64-linux)
+      racc (~> 1.4)
     psych (5.1.2)
       stringio
+    puma (6.4.2)
+      nio4r (~> 2.0)
     racc (1.7.3)
     rack (3.0.10)
     rack-session (2.0.0)
@@ -167,6 +176,9 @@ GEM
       psych (>= 4.0.0)
     reline (0.5.0)
       io-console (~> 0.5)
+    sqlite3 (1.7.3-arm64-darwin)
+    sqlite3 (1.7.3-x86_64-darwin)
+    sqlite3 (1.7.3-x86_64-linux)
     stringio (3.1.0)
     thor (1.3.1)
     timeout (0.4.1)
@@ -179,11 +191,17 @@ GEM
     zeitwerk (2.6.13)
 
 PLATFORMS
+  arm64-darwin-23
   x86_64-darwin-21
+  x86_64-linux
 
 DEPENDENCIES
+  debug
   minitest (~> 5.0)
+  puma
+  rack-test
   rake (~> 13.0)
+  sqlite3
   uni_rails!
 
 BUNDLED WITH

bin/test/todos-api

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+bundle install
+bundle exec rake build
+ls -t pkg | head -n1 | xargs -I {} mv pkg/{} features/todos-api/uni_rails.gem
+docker-compose -f features/todos-api/docker-compose.yml up --build --exit-code-from test

bin/test/todos-hotwire

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+bundle install
+bundle exec rake build
+ls -t pkg | head -n1 | xargs -I {} mv pkg/{} features/todos-hotwire/uni_rails.gem
+docker-compose -f features/todos-hotwire/docker-compose.yml up --build --exit-code-from test

bin/test/todos-scaffold

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+bundle install
+bundle exec rake build
+ls -t pkg | head -n1 | xargs -I {} mv pkg/{} features/todos-scaffold/uni_rails.gem
+docker-compose -f features/todos-scaffold/docker-compose.yml up --build --exit-code-from test

features/todos-api/Dockerfile

@@ -0,0 +1,22 @@
+FROM ruby:3.3.0-slim-bullseye
+
+ARG BUILD_PACKAGES="build-essential git curl libvips pkg-config sqlite3 libsqlite3-dev"
+
+# Install packages needed to build gems
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y $BUILD_PACKAGES
+
+WORKDIR /usr/src/app
+
+ENV LANG C.UTF-8
+ENV BUNDLER_VERSION 2.1
+ENV GEM_HOME="/usr/local/bundle"
+ENV PATH $GEM_HOME/bin:$GEM_HOME/gems/bin:$PATH
+
+COPY Gemfile uni_rails.gem ./
+RUN gem install uni_rails.gem
+RUN bundle install
+
+COPY . /usr/src/app
+
+CMD ["ruby", "app.rb"]

features/todos-api/Gemfile

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+gem 'uni_rails', path: '/usr/local/bundle'
+gem "sqlite3"
+gem "puma"
+
+# Test
+gem "capybara", "~> 3.40"
+gem "selenium-webdriver", "~> 4.19"
+gem "minitest"
+gem "debug"

features/todos-api/app.rb

@@ -0,0 +1,97 @@
+require 'uni_rails'
+require "rack/handler/puma"
+require 'debug'
+require 'sqlite3'
+
+ENV['DATABASE_URL'] = "sqlite3:///#{__dir__}/database.sqlite"
+
+ActiveRecord::Base.establish_connection
+ActiveRecord::Schema.define do
+  create_table :todos, force: :cascade do |t|
+    t.string :name
+    t.datetime :completed_at
+    t.timestamps
+  end
+end
+
+UniRails::App.routes.append do
+  resources :todos do
+    put :complete, on: :member
+  end
+end
+
+# MODELS
+
+class Todo < ActiveRecord::Base
+  validates :name, presence: true
+
+  def complete(at: Time.zone.now)
+    update(completed_at: at)
+  end
+end
+
+# CONTROLLERS
+
+class ApplicationController < ActionController::Base
+  protect_from_forgery with: :null_session
+end
+
+class TodosController < ApplicationController
+  before_action :set_todo, only: [:show, :update, :destroy, :complete]
+
+  def index
+    @todos = Todo.all
+    render json: @todos
+  end
+
+  def show
+    render json: @todo
+  end
+
+  def create
+    @todo = Todo.new(todo_params)
+    if @todo.save
+      render json: @todo, status: :created, location: @todo
+    else
+      render json: @todo.errors, status: :unprocessable_entity
+    end
+  end
+
+  def update
+    if @todo.update(todo_params)
+      render json: @todo
+    else
+      render json: @todo.errors, status: :unprocessable_entity
+    end
+  end
+
+  def complete
+    if @todo.complete
+      render json: @todo
+    else
+      render json: @todo.errors, status: :unprocessable_entity
+    end
+  end
+
+  def destroy
+    @todo.destroy
+    head :no_content
+  end
+
+  private
+
+  def set_todo
+    @todo = Todo.find(params[:id])
+  end
+
+  def todo_params
+    params.require(:todo).permit(:name, :status)
+  end
+end
+
+UniRails::App.configure do
+  config.log_level = :error
+  config.hosts << ENV['APP_HOST']
+end
+
+UniRails.run(Port: 3000)

features/todos-api/app_test.rb

@@ -0,0 +1,71 @@
+require "capybara"
+require "capybara/dsl"
+require 'capybara/minitest'
+require "selenium-webdriver"
+require "minitest/autorun"
+require "debug"
+
+APP_HOST = ENV.fetch('APP_HOST')
+
+def truncate_tables
+  require "sqlite3"
+  SQLite3::Database.new( "database.sqlite" ) do |db|
+    db.execute("DELETE FROM todos")
+  end
+end
+
+class Client
+  def initialize(url)
+    @uri = URI(url)
+  end
+
+  def get(url)
+    start do |http|
+      http.get(url)
+    end
+  end
+
+  def post(url, params)
+    start do |http|
+      http.post(url, params.to_json, "Content-Type" => "application/json")
+    end
+  end
+
+  def delete(url)
+    start do |http|
+      http.delete(url)
+    end
+  end
+
+  def start
+    Net::HTTP.start(@uri.hostname, @uri.port) do |http|
+      yield http
+    end
+  end
+end
+
+class TestJSONTodos < Minitest::Test
+  def setup
+    @client = Client.new(APP_HOST)
+    truncate_tables
+  end
+
+  def test_create_a_new_todo
+    response = @client.get('/todos.json')
+    todos = JSON.parse(response.body)
+    assert_equal 0, todos.length
+
+    response = @client.post '/todos.json', { todo: { name: 'Buy milk' } }
+    todo = JSON.parse(response.body)
+
+    response = @client.get('/todos.json')
+    todos = JSON.parse(response.body)
+    assert_equal 1, todos.length
+
+    @client.delete("/todos/#{todo['id']}.json")
+
+    response = @client.get('/todos.json')
+    todos = JSON.parse(response.body)
+    assert_equal 0, todos.length
+  end
+end

features/todos-api/docker-compose.yml

@@ -0,0 +1,28 @@
+version: '3'
+
+services:
+  uni_rails:
+    build: .
+    ports:
+      - 127.0.0.1:3000:3000
+    volumes:
+      - .:/usr/src/app
+    environment:
+      - APP_HOST=uni_rails:3000
+    healthcheck:
+      test: ["CMD-SHELL", "curl -f http://localhost:3000 || exit 1"]
+      interval: 3s
+      timeout: 5s
+      retries: 3
+      start_period: 5s
+    command: ruby app.rb
+  test:
+    build: .
+    volumes:
+      - .:/usr/src/app
+    environment:
+      - APP_HOST=http://uni_rails:3000
+    depends_on:
+      uni_rails:
+        condition: service_healthy
+    command: ruby app_test.rb