Chore/upgrade rubocop

.circleci/config.yml

@@ -21,7 +21,7 @@ jobs:
           name: run tests
           command: |
             mkdir /tmp/test-results
-            bundle exec rubocop --format progress -r $(bundle info --path rubocop-junit-formatter)/lib/rubocop/formatter/junit_formatter.rb --format RuboCop::Formatter::JUnitFormatter --out /tmp/test-results/rubocop.xml
+            bundle exec rubocop --format progress --format junit --out /tmp/test-results/rubocop.xml
             bundle exec rspec --format progress \
                             --format RspecJunitFormatter \
                             --out /tmp/test-results/rspec.xml \
@@ -32,10 +32,6 @@ jobs:
       - store_artifacts:
           path: /tmp/test-results
           destination: test-results
-  ruby-23:
-    <<: *build
-    docker:
-      - image: circleci/ruby:2.3
   ruby-24:
     <<: *build
     docker:
@@ -56,7 +52,6 @@ workflows:
   version: 2
   ruby-multi-build:
     jobs:
-      - ruby-23
       - ruby-24
       - ruby-25
       - ruby-26

.rubocop.yml

@@ -4,9 +4,6 @@ require:
 AllCops:
   TargetRubyVersion: 2.4
 
-Metrics/LineLength:
-  Max: 120
-
 Metrics/ClassLength:
   Max: 300
 
@@ -29,7 +26,10 @@ Style/CollectionMethods:
 Style/TrailingCommaInArguments:
   EnforcedStyleForMultiline: no_comma
 
-Style/TrailingCommaInLiteral:
+Style/TrailingCommaInArrayLiteral:
+  EnforcedStyleForMultiline: comma
+
+Style/TrailingCommaInHashLiteral:
   EnforcedStyleForMultiline: comma
 
 Style/Documentation:
@@ -38,15 +38,15 @@ Style/Documentation:
 Style/RedundantSelf:
   Enabled: false
 
+Layout/LineLength:
+  Max: 120
+
 Layout/MultilineMethodCallIndentation:
   EnforcedStyle: indented
 
-Layout/IndentHash:
+Layout/FirstHashElementIndentation:
   EnforcedStyle: consistent
 
-Style/BracesAroundHashParameters:
-  Enabled: false
-
 RSpec/NestedGroups:
   Max: 5
 
@@ -65,3 +65,148 @@ RSpec/MessageSpies:
 RSpec/AnyInstance:
   Exclude:
     - 'spec/scnnr/connection_spec.rb'
+
+RSpec/ContextWording:
+  Prefixes:
+    - when
+    - with
+    - without
+    - and
+
+RSpec/MultipleMemoizedHelpers:
+  Max: 7
+
+Layout/EmptyLinesAroundAttributeAccessor: # (new in 0.83)
+  Enabled: true
+
+Layout/SpaceAroundMethodCallOperator: # (new in 0.82)
+  Enabled: true
+
+Lint/BinaryOperatorWithIdenticalOperands: # (new in 0.89)
+  Enabled: true
+
+Lint/DeprecatedOpenSSLConstant: # (new in 0.84)
+  Enabled: true
+
+Lint/DuplicateElsifCondition: # (new in 0.88)
+  Enabled: true
+
+Lint/DuplicateRequire: # (new in 0.90)
+  Enabled: true
+
+Lint/DuplicateRescueException: # (new in 0.89)
+  Enabled: true
+
+Lint/EmptyConditionalBody: # (new in 0.89)
+  Enabled: true
+
+Lint/EmptyFile: # (new in 0.90)
+  Enabled: true
+
+Lint/FloatComparison: # (new in 0.89)
+  Enabled: true
+
+Lint/MissingSuper: # (new in 0.89)
+  Enabled: true
+
+Lint/MixedRegexpCaptureTypes: # (new in 0.85)
+  Enabled: true
+
+Lint/OutOfRangeRegexpRef: # (new in 0.89)
+  Enabled: true
+
+Lint/RaiseException: # (new in 0.81)
+  Enabled: true
+
+Lint/SelfAssignment: # (new in 0.89)
+  Enabled: true
+
+Lint/StructNewOverride: # (new in 0.81)
+  Enabled: true
+
+Lint/TopLevelReturnWithArgument: # (new in 0.89)
+  Enabled: true
+
+Lint/TrailingCommaInAttributeDeclaration: # (new in 0.90)
+  Enabled: true
+
+Lint/UnreachableLoop: # (new in 0.89)
+  Enabled: true
+
+Lint/UselessMethodDefinition: # (new in 0.90)
+  Enabled: true
+
+Style/AccessorGrouping: # (new in 0.87)
+  Enabled: true
+
+Style/ArrayCoercion: # (new in 0.88)
+  Enabled: true
+
+Style/BisectedAttrAccessor: # (new in 0.87)
+  Enabled: true
+
+Style/CaseLikeIf: # (new in 0.88)
+  Enabled: true
+
+Style/CombinableLoops: # (new in 0.90)
+  Enabled: true
+
+Style/ExplicitBlockArgument: # (new in 0.89)
+  Enabled: true
+
+Style/ExponentialNotation: # (new in 0.82)
+  Enabled: true
+
+Style/GlobalStdStream: # (new in 0.89)
+  Enabled: true
+
+Style/HashAsLastArrayItem: # (new in 0.88)
+  Enabled: true
+
+Style/HashEachMethods: # (new in 0.80)
+  Enabled: true
+
+Style/HashLikeCase: # (new in 0.88)
+  Enabled: true
+
+Style/HashTransformKeys: # (new in 0.80)
+  Enabled: true
+
+Style/HashTransformValues: # (new in 0.80)
+  Enabled: true
+
+Style/KeywordParametersOrder: # (new in 0.90)
+  Enabled: true
+
+Style/OptionalBooleanParameter: # (new in 0.89)
+  Enabled: true
+
+Style/RedundantAssignment: # (new in 0.87)
+  Enabled: true
+
+Style/RedundantFetchBlock: # (new in 0.86)
+  Enabled: true
+
+Style/RedundantFileExtensionInRequire: # (new in 0.88)
+  Enabled: true
+
+Style/RedundantRegexpCharacterClass: # (new in 0.85)
+  Enabled: true
+
+Style/RedundantRegexpEscape: # (new in 0.85)
+  Enabled: true
+
+Style/RedundantSelfAssignment: # (new in 0.90)
+  Enabled: true
+
+Style/SingleArgumentDig: # (new in 0.89)
+  Enabled: true
+
+Style/SlicingWithRange: # (new in 0.83)
+  Enabled: true
+
+Style/SoleNestedConditional: # (new in 0.89)
+  Enabled: true
+
+Style/StringConcatenation: # (new in 0.89)
+  Enabled: true

Gemfile

@@ -18,9 +18,8 @@ group :test do
   gem 'rspec', '~> 3.5'
   gem 'rspec_junit_formatter', '~> 0.3'
 
-  gem 'rubocop', '~> 0.49.0'
-  gem 'rubocop-junit-formatter', '~> 0.1'
-  gem 'rubocop-rspec', '~> 1.15.0'
+  gem 'rubocop', '~> 0.90.0'
+  gem 'rubocop-rspec', '~> 1.43.2'
 
   gem 'webmock', '~> 3.0'
 end

README.md

@@ -5,7 +5,7 @@
 - [API Documentation](https://api.scnnr.cubki.jp/v1/docs)
 
 ## Supported Ruby versions
-- Ruby 2.3+
+- Ruby 2.4+
 
 ## Installation
 

lib/scnnr/client.rb

@@ -40,6 +40,7 @@ def recognize_url(url, options = {})
     def fetch(recognition_id, options = {})
       options = merge_options options
       return request(recognition_id, options) if options.delete(:polling) == false
+
       PollingManager.new(options.delete(:timeout)).polling(self, recognition_id, options)
     end
 

lib/scnnr/configuration.rb

@@ -4,7 +4,7 @@ module Scnnr
   Configuration = Struct.new(:api_key, :api_version, :timeout, :logger) do
     require 'logger'
 
-    DEFAULT_LOGGER = Logger.new(STDOUT, level: :info)
+    DEFAULT_LOGGER = Logger.new($stdout, level: :info)
 
     def initialize
       super(nil, 'v1', 0, DEFAULT_LOGGER)

lib/scnnr/response.rb

@@ -6,6 +6,7 @@ class Response
 
     def initialize(response)
       raise UnexpectedError, response if response.content_type != SUPPORTED_CONTENT_TYPE
+
       @response = response
     end
 

lib/scnnr/routing.rb

@@ -26,16 +26,17 @@ def queries
     end
 
     def path
-      '/' + [self.path_prefix, @path]
+      "/#{[self.path_prefix, @path]
         .map { |value| value.sub(%r{\A/}, '').sub(%r{/\z}, '') }
-        .join('/')
+        .join('/')}"
     end
 
     private
 
     def query_string
       params = self.queries
       return if params.empty?
+
       params
         .map { |pair| pair.map { |val| URI.encode_www_form_component val }.join('=') }
         .join('&')

scnnr.gemspec

@@ -1,7 +1,6 @@
-# coding: utf-8
 # frozen_string_literal: true
 
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'scnnr/version'
 
@@ -24,4 +23,6 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_development_dependency 'bundler', '~> 2.1'
+
+  spec.required_ruby_version = '>= 2.4'
 end