Ruby implementation

ruby/.gitignore

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+Gemfile.lock
+*.gem

ruby/.rspec

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+--require spec_helper
+--color

ruby/.rubocop.yml

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+inherit_from: .rubocop_todo.yml
+
+plugins:
+  - rubocop-performance
+  - rubocop-rspec
+
+inherit_mode:
+  merge:
+    - Exclude
+
+AllCops:
+  TargetRubyVersion: 3.2
+  NewCops: enable
+
+# Stylistic preference for cucumber
+Gemspec/DevelopmentDependencies:
+  Enabled: false
+
+# Disabled on our repo's to enable polyglot-release
+Gemspec/RequireMFA:
+  Enabled: false

ruby/.rubocop_todo.yml

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+# This configuration was generated by
+# `rubocop --auto-gen-config`
+# on 2025-09-05 19:34:38 UTC using RuboCop version 1.80.2.
+# The point is for the user to remove these configuration records
+# one by one as the offenses are removed from the code base.
+# Note that changes in the inspected code, or installation of new
+# versions of RuboCop, may require this file to be generated again.
+
+# Offense count: 1
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: empty_lines, empty_lines_except_namespace, empty_lines_special, no_empty_lines
+Layout/EmptyLinesAroundModuleBody:
+  Exclude:
+    - 'spec/support/runner_helper.rb'
+
+# Offense count: 1
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: AllowInHeredoc.
+Layout/TrailingWhitespace:
+  Exclude:
+    - 'spec/cucumber/query/legacy/step_definitions_by_test_step_spec.rb'
+
+# Offense count: 8
+# Configuration parameters: AllowComments, AllowEmptyLambdas.
+Lint/EmptyBlock:
+  Exclude:
+    - 'spec/cucumber/query/legacy/hook_by_test_step_spec.rb'
+    - 'spec/cucumber/query/legacy/step_definitions_by_test_step_spec.rb'
+
+# Offense count: 8
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: AllowUnusedKeywordArguments, IgnoreEmptyMethods, IgnoreNotImplementedMethods, NotImplementedExceptions.
+# NotImplementedExceptions: NotImplementedError
+Lint/UnusedMethodArgument:
+  Exclude:
+    - 'lib/cucumber/query/query.rb'
+
+# Offense count: 4
+# Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes.
+Metrics/AbcSize:
+  Max: 43
+
+# Offense count: 1
+# Configuration parameters: AllowedMethods, AllowedPatterns.
+Metrics/CyclomaticComplexity:
+  Max: 14
+
+# Offense count: 3
+# Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns.
+Metrics/MethodLength:
+  Max: 24
+
+# Offense count: 1
+# Configuration parameters: AllowedMethods, AllowedPatterns.
+Metrics/PerceivedComplexity:
+  Max: 14
+
+# Offense count: 8
+Performance/MethodObjectAsBlock:
+  Exclude:
+    - 'lib/cucumber/query/legacy/hook_by_test_step.rb'
+    - 'lib/cucumber/query/legacy/pickle_by_test.rb'
+    - 'lib/cucumber/query/legacy/pickle_step_by_test_step.rb'
+    - 'lib/cucumber/query/legacy/step_definitions_by_test_step.rb'
+    - 'lib/cucumber/query/legacy/test_case_started_by_test_case.rb'
+
+# Offense count: 1
+# Configuration parameters: Prefixes, AllowedPatterns.
+# Prefixes: when, with, without
+RSpec/ContextWording:
+  Exclude:
+    - 'spec/cucumber/query/legacy/hook_by_test_step_spec.rb'
+
+# Offense count: 1
+# Configuration parameters: CountAsOne.
+RSpec/ExampleLength:
+  Max: 7
+
+# Offense count: 32
+# Configuration parameters: AssignmentOnly.
+RSpec/InstanceVariable:
+  Exclude:
+    - 'spec/cucumber/query/legacy/hook_by_test_step_spec.rb'
+    - 'spec/cucumber/query/legacy/pickle_by_test_spec.rb'
+    - 'spec/cucumber/query/legacy/pickle_step_by_test_step_spec.rb'
+    - 'spec/cucumber/query/legacy/step_definitions_by_test_step_spec.rb'
+    - 'spec/cucumber/query/legacy/test_case_started_by_test_case_spec.rb'
+
+# Offense count: 3
+RSpec/MultipleExpectations:
+  Max: 3
+
+# Offense count: 12
+# Configuration parameters: AllowedGroups.
+RSpec/NestedGroups:
+  Max: 5
+
+# Offense count: 8
+# Configuration parameters: AllowedConstants.
+Style/Documentation:
+  Exclude:
+    - 'lib/cucumber/query/helpers.rb'
+    - 'lib/cucumber/query/legacy/hook_by_test_step.rb'
+    - 'lib/cucumber/query/legacy/pickle_by_test.rb'
+    - 'lib/cucumber/query/legacy/pickle_step_by_test_step.rb'
+    - 'lib/cucumber/query/legacy/step_definitions_by_test_step.rb'
+    - 'lib/cucumber/query/legacy/test_case_started_by_test_case.rb'
+    - 'lib/cucumber/query/legacy/test_run_started.rb'
+    - 'lib/cucumber/query/query.rb'
+
+# Offense count: 4
+# This cop supports unsafe autocorrection (--autocorrect-all).
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: always, always_true, never
+Style/FrozenStringLiteralComment:
+  Exclude:
+    - 'lib/cucumber/query/helpers.rb'
+    - 'lib/cucumber/query/query.rb'
+    - 'spec/support/gherkin_helper.rb'
+    - 'spec/support/runner_helper.rb'
+
+# Offense count: 8
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: AllowHeredoc, AllowURI, AllowQualifiedName, URISchemes, IgnoreCopDirectives, AllowedPatterns, SplitStrings.
+# URISchemes: http, https
+Layout/LineLength:
+  Max: 198

ruby/Gemfile

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+# frozen_string_literal: true
+
+source 'https://rubygems.org'
+
+gemspec

ruby/Gemfile.lock

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+PATH
+  remote: .
+  specs:
+    cucumber-query (21.0.0)
+      cucumber-messages (> 25, < 30)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ast (2.4.2)
+    base64 (0.3.0)
+    bigdecimal (3.2.3)
+    builder (3.3.0)
+    cucumber (10.1.0)
+      base64 (~> 0.2)
+      builder (~> 3.2)
+      cucumber-ci-environment (> 9, < 11)
+      cucumber-core (> 15, < 17)
+      cucumber-cucumber-expressions (> 17, < 19)
+      cucumber-html-formatter (> 20.3, < 22)
+      diff-lcs (~> 1.5)
+      logger (~> 1.6)
+      mini_mime (~> 1.1)
+      multi_test (~> 1.1)
+      sys-uname (~> 1.3)
+    cucumber-ci-environment (10.0.1)
+    cucumber-core (15.2.1)
+      cucumber-gherkin (> 27, < 33)
+      cucumber-messages (> 26, < 30)
+      cucumber-tag-expressions (> 5, < 7)
+    cucumber-cucumber-expressions (18.0.1)
+      bigdecimal
+    cucumber-gherkin (32.2.0)
+      cucumber-messages (> 25, < 28)
+    cucumber-html-formatter (21.14.0)
+      cucumber-messages (> 19, < 28)
+    cucumber-messages (27.2.0)
+    cucumber-tag-expressions (6.1.2)
+    diff-lcs (1.5.1)
+    ffi (1.17.2)
+    ffi (1.17.2-x86_64-linux-gnu)
+    json (2.9.1)
+    language_server-protocol (3.17.0.4)
+    lint_roller (1.1.0)
+    logger (1.7.0)
+    memoist3 (1.0.0)
+    mini_mime (1.1.5)
+    multi_test (1.1.0)
+    parallel (1.26.3)
+    parser (3.3.9.0)
+      ast (~> 2.4.1)
+      racc
+    prism (1.4.0)
+    racc (1.8.1)
+    rainbow (3.1.1)
+    regexp_parser (2.10.0)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.2)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.2)
+    rubocop (1.80.2)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.46.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.46.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    rubocop-performance (1.25.0)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.38.0, < 2.0)
+    rubocop-rspec (3.7.0)
+      lint_roller (~> 1.1)
+      rubocop (~> 1.72, >= 1.72.1)
+    ruby-progressbar (1.13.0)
+    sys-uname (1.4.1)
+      ffi (~> 1.1)
+      memoist3 (~> 1.0.0)
+    unicode-display_width (3.1.4)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
+
+PLATFORMS
+  ruby
+  x86_64-linux
+
+DEPENDENCIES
+  cucumber (~> 10.1)
+  cucumber-query!
+  rspec (~> 3.13)
+  rubocop (~> 1.80.0)
+  rubocop-performance (~> 1.25.0)
+  rubocop-rspec (~> 3.7.0)
+
+BUNDLED WITH
+   2.6.2

ruby/LICENSE

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+MIT License
+
+Copyright (c) 2020 Cucumber Ltd and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

ruby/VERSION

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+21.0.0

ruby/cucumber-query.gemspec

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+# frozen_string_literal: true
+
+Gem::Specification.new do |s|
+  s.name        = 'cucumber-query'
+  s.version     = File.read(File.expand_path('VERSION', __dir__)).strip
+  s.authors     = ['Luke Hill']
+  s.description = 'Cucumber Query - query messages'
+  s.summary     = "#{s.name}-#{s.version}"
+  s.email       = 'cukebot@cucumber.io'
+  s.homepage    = 'https://github.com/cucumber/query'
+  s.platform    = Gem::Platform::RUBY
+  s.license     = 'MIT'
+  s.required_ruby_version = '>= 3.2'
+  s.required_rubygems_version = '>= 3.2.8'
+
+  s.metadata = {
+    'bug_tracker_uri' => 'https://github.com/cucumber/query/issues',
+    'changelog_uri' => 'https://github.com/cucumber/query/blob/main/CHANGELOG.md',
+    'documentation_uri' => 'https://github.com/cucumber/query/blob/main/README.md',
+    'mailing_list_uri' => 'https://groups.google.com/forum/#!forum/cukes',
+    'source_code_uri' => 'https://github.com/cucumber/query/blob/main/ruby'
+  }
+
+  s.add_dependency 'cucumber-messages', '> 25', '< 30'
+
+  s.add_development_dependency 'rspec', '~> 3.13'
+  s.add_development_dependency 'rubocop', '~> 1.80.0'
+  s.add_development_dependency 'rubocop-performance', '~> 1.25.0'
+  s.add_development_dependency 'rubocop-rspec', '~> 3.7.0'
+
+  s.files            = Dir['LICENSE', 'lib/**/*']
+  s.rdoc_options     = ['--charset=UTF-8']
+  s.require_path     = 'lib'
+end

ruby/lib/cucumber/error.rb

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+# frozen_string_literal: true
+
+module Cucumber
+  module Error
+    TestCaseUnknownError = Class.new(StandardError)
+    TestStepUnknownError = Class.new(StandardError)
+  end
+end