Use upcoming Bridgetown 2 test setup

It supports testing static pages and Roda routes with
the same setup.

I extracted it from bridgetownrb/bridgetown#954
With Jared's advice he gave me in Discord.

.devcontainer/Dockerfile

@@ -1,18 +1,19 @@
-FROM ruby:3.3.0
+FROM ruby:3.3.6
 
 # Install all of the preqeusities to actually building the app.
 RUN apt-get update \
   && apt-get install -y \
   vim \
   curl \
+  cmake \
   && curl -fsSL https://deb.nodesource.com/setup_lts.x | bash - \
   && apt-get install -y nodejs\
   && npm install --global yarn\
   && rm -rf /var/lib/apt/lists/* \
-  && gem install bundler -v 2.5.22
+  && gem install bundler -v 2.5.23
 
 # Add some custom setup to the container shell for easier usage.
-COPY .devcontainer/load-profile.sh /etc/profile.d/
+COPY .devcontainer/load-profile.sh /etc/profile.d/load-profile.sh
 RUN chmod +x /etc/profile.d/load-profile.sh
 
 # Do not work as a root user.
@@ -38,4 +39,3 @@ EXPOSE 4000
 
 # Run the application when the container starts
 CMD ["bin/bridgetown", "start"]
-

.dockerignore

@@ -25,7 +25,6 @@ bower_components
 .env
 
 # Dev and build only files
-.devcontainer
 .git
 Dockerfile
 .dockerignore

Gemfile

@@ -33,4 +33,12 @@ gem "puma", "< 7"
 # gem "nokogiri", "~> 1.13"
 
 # Or for faster parsing of HTML-only resources via Inspectors, use Nokolexbor:
-# gem "nokolexbor", "~> 0.4"
+gem "nokolexbor", "~> 0.4"
+
+gem "debug"
+
+group :test do
+  gem "minitest"
+  gem "minitest-reporters"
+  gem "rack-test"
+end

Gemfile.lock

@@ -17,6 +17,7 @@ GEM
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     amazing_print (1.6.0)
+    ansi (1.5.0)
     base64 (0.2.0)
     bigdecimal (3.1.8)
     bridgetown (1.3.4)
@@ -50,10 +51,15 @@ GEM
       zeitwerk (~> 2.5)
     bridgetown-paginate (1.3.4)
       bridgetown-core (= 1.3.4)
+    builder (3.3.0)
     colorator (1.1.0)
     concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     csv (3.3.0)
+    date (3.4.1)
+    debug (1.9.2)
+      irb (~> 1.10)
+      reline (>= 0.3.8)
     drb (2.2.1)
     erubi (1.13.0)
     faraday (2.12.0)
@@ -79,6 +85,10 @@ GEM
       activesupport (>= 5.0.0, < 8.0)
     i18n (1.14.6)
       concurrent-ruby (~> 1.0)
+    io-console (0.8.0)
+    irb (1.14.1)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
     json (2.7.2)
     kramdown (2.4.0)
       rexml
@@ -90,26 +100,46 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.6.1)
     minitest (5.25.1)
+    minitest-reporters (1.7.1)
+      ansi
+      builder
+      minitest (>= 5.0)
+      ruby-progressbar
     net-http (0.4.1)
       uri
     nio4r (2.7.3)
+    nokolexbor (0.5.4)
+    nokolexbor (0.5.4-arm64-darwin)
+    nokolexbor (0.5.4-x86_64-darwin)
+    nokolexbor (0.5.4-x86_64-linux)
+    psych (5.2.1)
+      date
+      stringio
     public_suffix (6.0.1)
     puma (6.4.3)
       nio4r (~> 2.0)
     rack (3.1.8)
+    rack-test (2.1.0)
+      rack (>= 1.3)
     rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
+    rdoc (6.8.1)
+      psych (>= 4.0.0)
+    reline (0.5.12)
+      io-console (~> 0.5)
     rexml (3.3.8)
     roda (3.85.0)
       rack
     rouge (4.4.0)
+    ruby-progressbar (1.13.0)
     securerandom (0.3.1)
     serbea (1.0.1)
       activesupport (>= 6.0)
       erubi (>= 1.10)
       tilt (~> 2.0)
+    stringio (3.1.2)
     thor (1.3.2)
     tilt (2.4.0)
     tzinfo (2.0.6)
@@ -133,7 +163,12 @@ PLATFORMS
 
 DEPENDENCIES
   bridgetown (~> 1.3.4)
+  debug
+  minitest
+  minitest-reporters
+  nokolexbor (~> 0.4)
   puma (< 7)
+  rack-test
 
 BUNDLED WITH
    2.5.22

Rakefile

@@ -19,6 +19,11 @@ task :test do
   Bridgetown::Commands::Build.start
 end
 
+require "minitest/test_task"
+Minitest::TestTask.create(:test) do |t| # add on to the test task
+  t.warning = false
+end
+
 desc "Runs the clean command"
 task :clean do
   Bridgetown::Commands::Clean.start

plugins/test_output.rb

@@ -0,0 +1,11 @@
+module TestOutput
+  unless Bridgetown.env.development?
+    Bridgetown::Hooks.register_one :site, :post_write do
+      # Load test suite to run on exit
+      require "nokogiri"
+      Dir["test/**/*.rb"].each { |file| require_relative("../#{file}") }
+    rescue LoadError
+      Bridgetown.logger.warn "Testing:", "To run tests, you must first run `bundle install --with test`"
+    end
+  end
+end

test/bridgetown_test.rb

@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+# This file can be required by project test suites to set up the Minitest environment
+
+require "bridgetown"
+
+ENV["BRIDGETOWN_NO_BUNDLER_REQUIRE"] = nil
+Bridgetown.begin!
+
+Bridgetown::Builders::PluginBuilder.then do
+  Bridgetown::Builders::DSL::Inspectors.setup_nokolexbor
+end
+
+require "bridgetown-core/rack/boot"
+class Bridgetown::Rack::Logger
+  def add(*)
+    super if ENV["SERVER_LOGS"] == "true"
+  end
+end
+
+Bridgetown::Current.preloaded_configuration = Bridgetown.configuration
+Bridgetown::Rack.boot
+
+require "rack/test"
+
+class Bridgetown::Test < Minitest::Test
+  include Rack::Test::Methods
+
+  attr_reader :document
+
+  def roda_app_class = RodaApp
+
+  def app = roda_app_class.app
+
+  def site
+    roda_app_class.opts[:bridgetown_site]
+  end
+
+  def html(request) = @document = Nokolexbor::Document.parse(request.body)
+
+  def json(request) = @document = JSON.parse(request.body)
+
+  def routes = JSON.parse(File.read(
+                            File.join(Bridgetown::Current.preloaded_configuration.root_dir,
+                                      ".routes.json")
+                          ))
+end

test/minitest_helper.rb

@@ -0,0 +1,5 @@
+require "minitest/autorun"
+require "minitest/reporters"
+Minitest::Reporters.use! [Minitest::Reporters::ProgressReporter.new]
+
+require_relative "bridgetown_test"

test/test_homepage.rb

@@ -0,0 +1,9 @@
+require "minitest_helper"
+
+class TestHomepage < Bridgetown::Test
+  def test_homepage
+    html get "/"
+
+    assert document.query_selector("body")
+  end
+end