Support for TruffleRuby (#44)

Initial support for TruffleRuby and JRuby.

.github/workflows/ruby.yml

@@ -32,7 +32,19 @@ jobs:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
           bundler-args: --without development
-      - name: Run Rubocop
-        run: bundle exec rubocop
       - name: Quickdraw tests
-        run: bundle exec qt
+        run: bundle exec qt -t 1
+  rubocop:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby-version: ['3.3']
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true
+      - name: Run RuboCop
+        run: bundle exec rubocop

.gitignore

@@ -9,3 +9,4 @@
 .rubocop-*
 .DS_Store
 .covered.db
+Gemfile.lock

Gemfile

@@ -5,10 +5,13 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in quickdraw.gemspec
 gemspec
 
-group :development do
-	gem "rubocop"
-	gem "rspec-expectations"
-	gem "minitest"
-	gem "sus"
-	gem "covered"
+gem "rspec-expectations"
+
+if RUBY_ENGINE == "ruby"
+	group :development do
+		gem "rubocop"
+		gem "minitest"
+		gem "sus"
+		gem "covered"
+	end
 end

lib/quickdraw.rb

@@ -1,5 +1,9 @@
 # frozen_string_literal: true
 
+require "concurrent/map"
+require "concurrent/array"
+require "concurrent/set"
+
 module Quickdraw
 	autoload :ArgumentError, "quickdraw/errors/argument_error"
 	autoload :CLI, "quickdraw/cli"
@@ -26,6 +30,7 @@ module Quickdraw
 	Null = Object.new.freeze
 	Error = Module.new
 	Config = Configuration.new
+	MATCHERS = Concurrent::Map.new
 
 	def self.configure(&)
 		yield Config

lib/quickdraw/context.rb

@@ -9,6 +9,8 @@ def test(name = nil, skip: false, &block)
 		end
 
 		def use(*new_matchers)
+			matchers = self.matchers
+
 			i = 0
 			number_of_new_matchers = new_matchers.size
 
@@ -19,10 +21,12 @@ def use(*new_matchers)
 		end
 
 		def matchers
-			@matchers ||= if superclass < Quickdraw::Context
-				superclass.matchers.dup
-			else
-				Set[]
+			Quickdraw::MATCHERS.fetch_or_store(self) do
+				if superclass < Quickdraw::Context
+					superclass.matchers.dup
+				else
+					Concurrent::Set.new
+				end
 			end
 		end
 
@@ -39,7 +43,7 @@ def initialize(name, skip, runner, matchers)
 		@runner = runner
 		@matchers = matchers
 
-		@expectations = []
+		@expectations = Concurrent::Array.new
 	end
 
 	def expect(value = Quickdraw::Null, &block)

lib/quickdraw/registry.rb

@@ -2,9 +2,9 @@
 
 class Quickdraw::Registry
 	def initialize
-		@registered_matchers = Quickdraw::Map.new
-		@type_matchers = Quickdraw::Map.new
-		@shapes = Quickdraw::Map.new
+		@registered_matchers = Concurrent::Map.new
+		@type_matchers = Concurrent::Map.new
+		@shapes = Concurrent::Map.new
 	end
 
 	# Register a new matcher for the given types.
@@ -32,15 +32,19 @@ def expectation_for(value, matchers: nil)
 
 	# A "shape" is a specialised Expectation class that includes the given matchers. It's cached against the list of matchers.
 	def shape_for(matchers)
-		@shapes[matchers] ||= Class.new(Quickdraw::Expectation) do
-			matchers.each { |m| include m }
-			freeze
+		@shapes.fetch_or_store(matchers) do
+			Class.new(Quickdraw::Expectation) do
+				matchers.each { |m| include m }
+				freeze
+			end
 		end
 	end
 
 	# Given a value, find all the matchers that match it. This is cached against the class of the value.
 	def matchers_for(value)
-		@type_matchers[value.class] ||= slowly_find_matchers_for(value)
+		@type_matchers.fetch_or_store(value.class) do
+			slowly_find_matchers_for(value)
+		end
 	end
 
 	# If the above has a cache miss, we'll need to find the correct matchers slowly and then cache them.

lib/quickdraw/run.rb

@@ -72,7 +72,7 @@ def load_tests
 	end
 
 	def batch_tests
-		batches = Array.new([@processes, @tests.size].min) { Quickdraw::Queue.new }
+		batches = Array.new([@processes, @tests.size].min) { Concurrent::Array.new }
 
 		number_of_tests = @tests.size
 		i = 0
@@ -111,7 +111,7 @@ def fork_processes
 	end
 
 	def run_inline
-		queue = Quickdraw::Queue.new
+		queue = Concurrent::Array.new
 
 		i = 0
 		number_of_tests = @tests.size

lib/quickdraw/runner.rb

@@ -7,8 +7,8 @@ def initialize(queue:, threads:)
 		@queue = queue
 		@threads = threads
 
-		@failures = Quickdraw::ConcurrentArray.new
-		@successes = Quickdraw::ConcurrentArray.new
+		@failures = Concurrent::Array.new
+		@successes = Concurrent::Array.new
 	end
 
 	def call
@@ -47,8 +47,13 @@ def failure!
 	private
 
 	def drain_queue
-		@queue.drain { |(name, skip, test, context)|
+		queue = @queue
+		next_item = queue.shift
+
+		while next_item
+			name, skip, test, context = next_item
 			context.run_test(name, skip, self, &test)
-		}
+			next_item = queue.shift
+		end
 	end
 end

quickdraw.gemspec

@@ -30,6 +30,8 @@ Gem::Specification.new do |spec|
 	spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
 	spec.require_paths = ["lib"]
 
+	spec.add_runtime_dependency "concurrent-ruby"
+
 	# For more information and examples about making a new gem, check out our
 	# guide at: https://bundler.io/guides/creating_gem.html
 	spec.metadata["rubygems_mfa_required"] = "true"