Add task to verify indexing against Top 100 RubyGems

.github/workflows/indexing.yml

@@ -0,0 +1,25 @@
+name: CI (indexing)
+
+on:
+  push:
+    paths:
+      - 'Gemfile.lock'
+      - 'lib/ruby_indexer/**'
+  pull_request:
+    paths:
+      - 'Gemfile.lock'
+      - 'lib/ruby_indexer/**'
+
+jobs:
+  indexing_sanity_check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+
+      - name: Index Top 100 Ruby gems
+        run: bundle exec rake index:topgems

rakelib/index.rake

@@ -0,0 +1,95 @@
+# frozen_string_literal: true
+
+# Based on https://github.com/ruby/prism/blob/main/rakelib/lex.rake
+
+module GemIndexing
+  class << self
+    # This method is responsible for iterating through a list of items and running
+    # each item in a separate thread. It will block until all items have been
+    # processed. This is particularly useful for tasks that are IO-bound like
+    # downloading files or reading files from disk.
+    def parallelize(items, &block)
+      Thread.abort_on_exception = true
+
+      queue = Queue.new
+      items.each { |item| queue << item }
+
+      workers =
+        ENV.fetch("WORKERS") { 16 }.to_i.times.map do
+          parallelize_thread(queue, &block)
+        end
+
+      workers.map(&:join)
+    end
+
+    private
+
+    # Create a new thread with a minimal number of locals that it can access.
+    def parallelize_thread(queue, &block)
+      Thread.new { block.call(queue.shift) until queue.empty? }
+    end
+  end
+end
+
+TOP_100_GEM_FILENAME = "rakelib/top_100_gems.yml"
+TOP_100_GEMS_DIR = "tmp/top_100_gems"
+
+namespace :download do
+  directory TOP_100_GEMS_DIR
+
+  desc "Download the top 100 rubygems under #{TOP_100_GEMS_DIR}/"
+  task topgems: TOP_100_GEMS_DIR do
+    $LOAD_PATH.unshift(File.expand_path("../lib", __dir__))
+    require "net/http"
+    require "rubygems/package"
+    require "tmpdir"
+
+    GemIndexing.parallelize(YAML.safe_load_file(TOP_100_GEM_FILENAME)) do |gem_name|
+      directory = File.expand_path("#{TOP_100_GEMS_DIR}/#{gem_name}")
+      next if File.directory?(directory)
+
+      puts "Downloading #{gem_name}"
+
+      uri = URI.parse("https://rubygems.org/gems/#{gem_name}.gem")
+      response = Net::HTTP.get_response(uri)
+      raise gem_name unless response.is_a?(Net::HTTPSuccess)
+
+      Dir.mktmpdir do |tmpdir|
+        filepath = File.join(tmpdir, "#{gem_name}.gem")
+        File.write(filepath, response.body)
+        Gem::Package.new(filepath).extract_files(directory, "**/*.rb")
+      end
+    end
+  end
+end
+
+# This task indexes against the top 100 gems, and will exit(1) if any fail.
+desc "Index against the top 100 rubygems"
+task "index:topgems": ["download:topgems"] do
+  $LOAD_PATH.unshift(File.expand_path("../lib", __dir__))
+  require "net/http"
+  require "rubygems/package"
+  require "tmpdir"
+
+  gem_names = YAML.safe_load_file(TOP_100_GEM_FILENAME)
+
+  errors = []
+  GemIndexing.parallelize(gem_names) do |gem_name|
+    directory = File.expand_path("#{TOP_100_GEMS_DIR}/#{gem_name}")
+
+    index = RubyIndexer::Index.new
+
+    errors = Dir[File.join(directory, "**", "*.rb")].filter_map do |filepath|
+      print(".")
+      code = File.read(filepath)
+      index.index_single(RubyIndexer::IndexablePath.new(nil, filepath), code)
+      nil
+    rescue => e
+      errors << { message: e.message, file: filepath }
+    end
+  end
+
+  puts "errors: #{errors}" if errors.any?
+ensure
+  FileUtils.rm_rf(TOP_100_GEMS_DIR)
+end

rakelib/top_100_gems.yml

@@ -0,0 +1,101 @@
+---
+- actioncable-7.0.4.3
+- actionmailbox-7.0.4.3
+- actionmailer-7.0.4.3
+- actionpack-7.0.4.3
+- actiontext-7.0.4.3
+- actionview-7.0.4.3
+- activejob-7.0.4.3
+- activemodel-7.0.4.3
+- activerecord-7.0.4.3
+- activestorage-7.0.4.3
+- activesupport-7.0.4.3
+- addressable-2.8.4
+- autoprefixer-rails-10.4.13.0
+- aws-partitions-1.744.0
+- aws-sdk-cloudformation-1.77.0
+- aws-sdk-cloudfront-1.76.0
+- aws-sdk-cloudwatch-1.72.0
+- aws-sdk-core-3.171.0
+- aws-sdk-dynamodb-1.83.0
+- aws-sdk-ec2-1.375.0
+- aws-sdk-iam-1.77.0
+- aws-sdk-kinesis-1.45.0
+- aws-sdk-kms-1.63.0
+- aws-sdk-lambda-1.93.0
+- aws-sdk-rds-1.175.0
+- aws-sdk-resources-3.162.0
+- aws-sdk-s3-1.120.1
+- aws-sdk-secretsmanager-1.73.0
+- aws-sdk-sns-1.60.0
+- aws-sdk-ssm-1.150.0
+- backports-3.24.1
+- brakeman-5.4.1
+- bundler-2.4.11
+- capybara-3.39.0
+- concurrent-ruby-1.2.2
+- connection_pool-2.4.0
+- dalli-3.2.4
+- database_cleaner-2.0.2
+- devise-4.9.2
+- dry-types-1.7.1
+- elasticsearch-8.7.0
+- elasticsearch-api-8.7.0
+- excon-0.99.0
+- faker-3.1.1
+- faraday-retry-2.1.0
+- fastlane-2.212.1
+- fog-aws-3.18.0
+- git-1.18.0
+- google-cloud-errors-1.3.1
+- google-protobuf-3.22.2
+- googleauth-1.5.1
+- graphql-2.0.21
+- grpc-1.53.0
+- jwt-2.7.0
+- loofah-2.20.0
+- mail-2.8.1
+- mime-types-data-3.2023.0218.1
+- minitest-5.18.0
+- msgpack-1.7.0
+- net-http-persistent-4.0.2
+- net-ssh-7.1.0
+- newrelic_rpm-9.1.0
+- nio4r-2.5.9
+- nokogiri-1.14.3
+- octokit-6.1.1
+- oj-3.14.3
+- parser-3.2.2.0
+- pg-1.4.6
+- plist-3.7.0
+- puma-6.2.1
+- rack-3.0.7
+- rack-cors-2.0.1
+- rack-protection-3.0.6
+- rack-test-2.1.0
+- rails-7.0.4.3
+- railties-7.0.4.3
+- raindrops-0.20.1
+- redis-store-1.9.2
+- regexp_parser-2.7.0
+- responders-3.1.0
+- rouge-4.1.0
+- rspec-core-3.12.1
+- rspec-mocks-3.12.5
+- rubocop-1.50.0
+- rubocop-ast-1.28.0
+- rubocop-performance-1.17.1
+- rubocop-rails-2.19.0
+- rubocop-rspec-2.19.0
+- ruby-progressbar-1.13.0
+- ruby_parser-3.20.0
+- rubygems-update-3.4.11
+- selenium-webdriver-4.8.6
+- sidekiq-7.0.8
+- sinatra-3.0.6
+- slop-4.10.1
+- sqlite3-1.6.2
+- thin-1.8.2
+- tilt-2.1.0
+- yard-0.9.32
+- zeitwerk-2.6.7

sorbet/config

@@ -1,6 +1,7 @@
 --dir
 .
 --ignore=vendor/
+--ignore=tmp/
 --ignore=test/fixtures/
 --ignore=test/expectations/
 --enable-experimental-requires-ancestor