Modernize config a bit

.ruby-version

@@ -0,0 +1 @@
+3.3.0

Gemfile

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
 gemspec
 
-gem "rake", "~> 13.0"
-gem "rake-compiler", "~> 1.2"
-gem "rb_sys", "~> 0.9.65"
-gem "minitest", "~> 5.16"
+gem 'nicetest'
+gem 'rake', '~> 13.0'
+gem 'rake-compiler'
+gem 'rb_sys', '~> 0.9'

Rakefile

@@ -1,35 +1,32 @@
 # frozen_string_literal: true
 
-require "bundler/gem_tasks"
-require "rake/testtask"
-require "rb_sys/extensiontask"
+require 'bundler/gem_tasks'
+require 'rb_sys/extensiontask'
 
-GEMSPEC = Gem::Specification.load("oxi-test.gemspec") || abort("Could not load oxi-test.gemspec")
+GEMSPEC = Gem::Specification.load('oxi-test.gemspec') || abort('Could not load oxi-test.gemspec')
 
-RbSys::ExtensionTask.new("oxi-test", GEMSPEC) do |ext|
-  ext.lib_dir = "lib/oxi/test"
+RbSys::ExtensionTask.new('oxi-test', GEMSPEC) do |ext|
+  ext.lib_dir = 'lib/oxi/test'
 end
 
-task :fmt do
-  sh "cargo", "fmt"
+task :ruby_test do
+  sh('bin/test', '--reporter', 'spec')
 end
 
-Rake::TestTask.new(:ruby_test) do |t|
-  t.libs << "test"
-  t.libs << "lib"
-  t.test_files = FileList["test/**/*_test.rb"]
+task :fmt do
+  sh 'cargo', 'fmt'
 end
 
 desc "Build native extension for a given platform (i.e. `rake 'native[x86_64-linux]'`)"
 task :native, [:platform] do |_t, platform:|
-  sh "bundle", "exec", "rb-sys-dock", "--platform", platform, "--build"
+  sh 'bundle', 'exec', 'rb-sys-dock', '--platform', platform, '--build'
 end
 
 task :cargo_test do
-  sh "cargo test"
+  sh 'cargo test'
 end
 
-task test: [:ruby_test, :cargo_test]
+task test: %i[ruby_test cargo_test]
 
 task build: :compile
 

bin/test

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'nicetest' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
+
+bundle_binstub = File.expand_path('bundle', __dir__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300).include?('This file was generated by Bundler')
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require 'rubygems'
+require 'bundler/setup'
+
+load Gem.bin_path('nicetest', 'nicetest')

ext/extconf.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require "mkmf"
-require "rb_sys/mkmf"
+require 'mkmf'
+require 'rb_sys/mkmf'
 
-create_rust_makefile("oxi/test/oxi_test")
+create_rust_makefile('oxi/test/oxi_test')

lib/oxi/test.rb

@@ -1,12 +1,12 @@
 # frozen_string_literal: true
 
-require "oxi/test/version"
+require 'oxi/test/version'
 
 begin
   RUBY_VERSION =~ /(\d+\.\d+)/
-  require "oxi/test/#{$1}/oxi_test"
+  require "oxi/test/#{Regexp.last_match(1)}/oxi_test"
 rescue LoadError
-  require "oxi/test/oxi_test"
+  require 'oxi/test/oxi_test'
 end
 
 module Oxi

lib/oxi/test/version.rb

@@ -2,6 +2,6 @@
 
 module Oxi
   module Test
-    VERSION = "0.1.0"
+    VERSION = '0.1.0'
   end
 end