Add specs

Signed-off-by: Tim Smith <tsmith@chef.io>

.expeditor/verify.pipeline.yml

@@ -11,42 +11,42 @@ expeditor:
 
 steps:
 
-- label: run-chefstyle-ruby-2.4
+- label: run-chefstyle-and-specs-ruby-2.4
   command:
-    - .expeditor/run_linux_tests.sh rake style
+    - .expeditor/run_linux_tests.sh rake
   expeditor:
     executor:
       docker:
         image: ruby:2.4-buster
 
-- label: run-chefstyle-ruby-2.5
+- label: run-chefstyle-and-specs-ruby-2.5
   command:
-    - .expeditor/run_linux_tests.sh rake style
+    - .expeditor/run_linux_tests.sh rake
   expeditor:
     executor:
       docker:
         image: ruby:2.5-buster
 
-- label: run-chefstyle-ruby-2.6
+- label: run-chefstyle-and-specs-ruby-2.6
   command:
-    - .expeditor/run_linux_tests.sh rake style
+    - .expeditor/run_linux_tests.sh rake
   expeditor:
     executor:
       docker:
         image: ruby:2.6-buster
 
-- label: run-chefstyle-ruby-2.7
+- label: run-chefstyle-and-specs-ruby-2.7
   command:
-    - .expeditor/run_linux_tests.sh rake style
+    - .expeditor/run_linux_tests.sh rake
   expeditor:
     executor:
       docker:
         image: ruby:2.7-buster
 
-- label: run-chefstyle-windows
+- label: run-chefstyle-and-specs-windows
   command:
     - bundle install --jobs=7 --retry=3 --without docs debug
-    - bundle exec rake style
+    - bundle exec rake
   expeditor:
     executor:
       docker:

Gemfile

@@ -3,3 +3,14 @@ source "https://rubygems.org"
 
 # Specify your gem's dependencies in chefstyle.gemspec
 gemspec
+
+group :debug do
+  gem "pry"
+  gem "pry-byebug"
+  gem "pry-stack_explorer", "~> 0.4.0" # 0.5.0 drops support for Ruby < 2.6
+end
+
+group :development do
+  gem "rake", ">= 12.0"
+  gem "rspec", ">= 3.4"
+end

Rakefile

@@ -26,6 +26,40 @@ RuboCop::RakeTask.new(:style) do |task|
   task.options << "--display-cop-names"
 end
 
+require "rspec/core/rake_task"
+RSpec::Core::RakeTask.new(:spec) do |spec|
+  spec.pattern = FileList["spec/cop/**/*.rb"]
+end
+
+desc "Run RSpec with code coverage"
+task :coverage do
+  ENV["COVERAGE"] = "true"
+  Rake::Task["spec"].execute
+end
+
+desc "Ensure that all cops are defined in the chefstyle.yml config"
+task :validate_config do
+  require "chefstyle"
+  require "yaml" unless defined?(YAML)
+  status = 0
+  config = YAML.load_file("config/chefstyle.yml")
+
+  puts "Checking that all cops are defined in config/chefstyle.yml:"
+
+  RuboCop::Cop::Chef.constants.each do |dep|
+    RuboCop::Cop::Chef.const_get(dep).constants.each do |cop|
+      unless config["#{dep}/#{cop}"]
+        puts "Error: #{dep}/#{cop} not found in config/chefstyle.yml"
+        status = 1
+      end
+    end
+  end
+
+  puts "All Cops found in the config. Good work." if status == 0
+
+  exit status
+end
+
 begin
   require "yard" unless defined?(YARD)
   YARD::Rake::YardocTask.new(:docs)
@@ -39,4 +73,4 @@ task :console do
   ARGV.clear
   IRB.start
 end
-task default: %i{build install}
+task default: %i{style spec validate_config}

chefstyle.gemspec

@@ -18,9 +18,5 @@ Gem::Specification.new do |spec|
   spec.executables = %w{chefstyle}
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler"
-  spec.add_development_dependency "rake", ">= 12.0"
-  spec.add_development_dependency "rspec"
-  spec.add_development_dependency "pry"
   spec.add_dependency("rubocop", Chefstyle::RUBOCOP_VERSION)
 end

spec/rubocop/cop/chef/ruby/ruby_27_keyword_argument_warnings_spec.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+#
+# Copyright:: Chef Software, Inc.
+# Author:: Tim Smith (<tsmith@chef.io>)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require "spec_helper"
+
+describe RuboCop::Cop::Chef::ChefRuby::Ruby27KeywordArgumentWarnings, :config do
+  subject(:cop) { described_class.new(config) }
+
+  it "registers an offense when passing a hash with brackets to shell_out" do
+    expect_offense(<<~RUBY)
+    shell_out('hostnamectl status', {returns: [0, 1]})
+                                    ^^^^^^^^^^^^^^^^^ Pass options to shell_out helpers without the brackets to avoid Ruby 2.7 deprecation warnings.
+    RUBY
+
+    expect_correction(<<~RUBY)
+    shell_out('hostnamectl status', returns: [0, 1])
+    RUBY
+  end
+
+  it "registers an offense when passing a hash with brackets to shell_out!" do
+    expect_offense(<<~RUBY)
+    shell_out!('hostnamectl status', {returns: [0, 1]})
+                                     ^^^^^^^^^^^^^^^^^ Pass options to shell_out helpers without the brackets to avoid Ruby 2.7 deprecation warnings.
+    RUBY
+
+    expect_correction(<<~RUBY)
+    shell_out!('hostnamectl status', returns: [0, 1])
+    RUBY
+  end
+
+  it "doesn't register an offense when properly passing options to the helpers" do
+    expect_no_offenses("shell_out!('hostnamectl status', returns: [0, 1])")
+  end
+end

spec/shared/autocorrect_behavior.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+RSpec.shared_examples "autocorrect" do |original, corrected|
+  it "autocorrects `#{original}` to `#{corrected}`" do
+    autocorrected = autocorrect_source(original, "spec/foo_spec.rb")
+
+    expect(autocorrected).to eql(corrected)
+  end
+end

spec/spec_helper.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+require "rubocop"
+require "rubocop/rspec/support"
+
+module SpecHelper
+  ROOT = Pathname.new(__dir__).parent.freeze
+end
+
+spec_helper_glob = File.expand_path("{support,shared}/*.rb", __dir__)
+Dir.glob(spec_helper_glob).map(&method(:require))
+
+RSpec.configure do |config|
+  # Basic configuration
+  config.run_all_when_everything_filtered = true
+  config.filter_run(:focus)
+  config.order = :random
+
+  config.include RuboCop::RSpec::ExpectOffense
+end
+
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), "..", "lib"))
+$LOAD_PATH.unshift(File.dirname(__FILE__))
+
+require "chefstyle"