chore: RuboCop: Support Frozen String Literals (#868)

.rubocop_todo.yml

@@ -603,13 +603,6 @@ Style/FormatStringToken:
     - 'test/adapters/integration.rb'
     - 'test/live_server.rb'
 
-# Offense count: 96
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: when_needed, always, never
-Style/FrozenStringLiteralComment:
-  Enabled: false
-
 # Offense count: 2
 # Configuration parameters: AllowedVariables.
 Style/GlobalVars:

Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 ruby RUBY_VERSION

Rakefile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rake/testtask'
 
 task :default => :test

bin/console

@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require 'bundler/setup'
 require 'faraday'

faraday.gemspec

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 lib = "faraday"
 lib_file = File.expand_path("../lib/#{lib}.rb", __FILE__)
 File.read(lib_file) =~ /\bVERSION\s*=\s*["'](.+?)["']/

lib/faraday.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'thread'
 require 'cgi'
 require 'set'

lib/faraday/adapter.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # Base class for all Faraday adapters. Adapters are
   # responsible for fulfilling a Faraday request.
@@ -5,7 +7,7 @@ module Faraday
     extend MiddlewareRegistry
     extend DependencyLoader
 
-    CONTENT_LENGTH = 'Content-Length'.freeze
+    CONTENT_LENGTH = 'Content-Length'
 
     register_middleware File.expand_path('../adapter', __FILE__),
       :test => [:Test, 'test'],

lib/faraday/adapter/em_http.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Adapter
     # EventMachine adapter. This adapter is useful for either asynchronous

lib/faraday/adapter/em_http_ssl_patch.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'openssl'
 require 'em-http'
 

lib/faraday/adapter/em_synchrony.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'uri'
 
 module Faraday

lib/faraday/adapter/em_synchrony/parallel_manager.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Adapter
     class EMSynchrony < Faraday::Adapter

lib/faraday/adapter/excon.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Adapter
     # Excon adapter.

lib/faraday/adapter/httpclient.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Adapter
     # HTTPClient adapter.

lib/faraday/adapter/net_http.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require 'net/https'
 rescue LoadError

lib/faraday/adapter/net_http_persistent.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Adapter
     # Net::HTTP::Persistent adapter.

lib/faraday/adapter/patron.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Adapter
     # Patron adapter.

lib/faraday/adapter/rack.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Adapter
     # Sends requests to a Rack app.

lib/faraday/adapter/test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Adapter
     # Examples

lib/faraday/adapter/typhoeus.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Adapter
     # Typhoeus adapter. This class is just a stub, the real adapter is in https://github.com/philsturgeon/typhoeus/blob/master/lib/typhoeus/adapters/faraday.rb

lib/faraday/autoload.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # Adds the ability for other modules to manage autoloadable
   # constants.

lib/faraday/connection.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # Connection objects manage the default properties and the middleware
   # stack for fulfilling an HTTP request.

lib/faraday/dependency_loader.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   module DependencyLoader
     attr_accessor :load_error

lib/faraday/encoders/flat_params_encoder.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   module FlatParamsEncoder
     class << self
@@ -24,7 +26,7 @@ module Faraday
       end
 
       # The params have form [['key1', 'value1'], ['key2', 'value2']].
-      buffer = ''
+      buffer = +""
       params.each do |key, value|
         encoded_key = escape(key)
         value = value.to_s if value == true || value == false

lib/faraday/encoders/nested_params_encoder.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # This is the default encoder for Faraday requests.
   # Using this encoder, parameters will be encoded respecting their structure,
@@ -39,7 +41,7 @@ module Faraday
             [key, val]
           end
           value.sort!
-          buffer = ""
+          buffer = +""
           value.each do |key, val|
             new_parent = "#{parent}%5B#{key}%5D"
             buffer << "#{to_query.call(new_parent, val)}&"
@@ -49,7 +51,7 @@ module Faraday
           new_parent = "#{parent}%5B%5D"
           return new_parent if value.empty?
 
-          buffer = ""
+          buffer = +""
           value.each_with_index do |val, i|
             buffer << "#{to_query.call(new_parent, val)}&"
           end
@@ -63,7 +65,7 @@ module Faraday
       end
 
       # The params have form [['key1', 'value1'], ['key2', 'value2']].
-      buffer = ''
+      buffer = +""
       params.each do |parent, value|
         encoded_parent = escape(parent)
         buffer << "#{to_query.call(encoded_parent, value)}&"

lib/faraday/error.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # Faraday error base class.
   class Error < StandardError
@@ -27,7 +29,7 @@ module Faraday
     end
 
     def inspect
-      inner = ''
+      inner = +""
       if @wrapped_exception
         inner << " wrapped=#{@wrapped_exception.inspect}"
       end

lib/faraday/middleware.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Middleware
     extend MiddlewareRegistry

lib/faraday/middleware_registry.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # Adds the ability for other modules to register and lookup
   # middleware classes.

lib/faraday/options.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # Subclasses Struct with some special helpers for converting from a Hash to
   # a Struct.

lib/faraday/options/connection_options.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class ConnectionOptions < Options.new(:request, :proxy, :ssl, :builder, :url,
                                         :parallel_manager, :params, :headers, :builder_class)

lib/faraday/options/env.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # @!attribute method
   #   @return [Symbol] HTTP method (`:get`, `:post`)
@@ -47,7 +49,7 @@ module Faraday
                           :ssl, :parallel_manager, :params, :response, :response_headers, :status,
                           :reason_phrase, :response_body)
 
-    ContentLength = 'Content-Length'.freeze
+    ContentLength = 'Content-Length'
     StatusesWithoutBody = Set.new [204, 304]
     SuccessfulStatuses = 200..299
 

lib/faraday/options/proxy_options.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class ProxyOptions < Options.new(:uri, :user, :password)
     extend Forwardable

lib/faraday/options/request_options.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class RequestOptions < Options.new(:params_encoder, :proxy, :bind,
                                      :timeout, :open_timeout, :write_timeout, :boundary,

lib/faraday/options/ssl_options.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # SSL-related options.
   #

lib/faraday/parameters.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'forwardable'
 require 'faraday/encoders/nested_params_encoder'
 require 'faraday/encoders/flat_params_encoder'

lib/faraday/rack_builder.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # A Builder that processes requests into responses by passing through an inner
   # middleware stack (heavily inspired by Rack).

lib/faraday/request.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # Used to setup URLs, params, headers, and the request body in a sane manner.
   #

lib/faraday/request/authorization.rb

@@ -1,7 +1,9 @@
+# frozen_string_literal: true
+
 module Faraday
   # Request middleware for the Authorization HTTP header
   class Request::Authorization < Faraday::Middleware
-    KEY = "Authorization".freeze unless defined? KEY
+    KEY = "Authorization" unless defined? KEY
 
     # @param type [String, Symbol]
     # @param token [String, Symbol, Hash]

lib/faraday/request/basic_authentication.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'base64'
 
 module Faraday

lib/faraday/request/instrumentation.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # Middleware for instrumenting Requests.
   class Request::Instrumentation < Faraday::Middleware

lib/faraday/request/multipart.rb

@@ -1,11 +1,13 @@
+# frozen_string_literal: true
+
 require File.expand_path("../url_encoded", __FILE__)
 require 'securerandom'
 
 module Faraday
   # Middleware for supporting multi-part requests.
   class Request::Multipart < Request::UrlEncoded
-    self.mime_type = 'multipart/form-data'.freeze
-    DEFAULT_BOUNDARY_PREFIX = "-----------RubyMultipartPost".freeze unless defined? DEFAULT_BOUNDARY_PREFIX
+    self.mime_type = 'multipart/form-data'
+    DEFAULT_BOUNDARY_PREFIX = "-----------RubyMultipartPost" unless defined? DEFAULT_BOUNDARY_PREFIX
 
     # Checks for files in the payload, otherwise leaves everything untouched.
     #

lib/faraday/request/retry.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   # Catches exceptions and retries each request a limited number of times.
   #

lib/faraday/request/token_authentication.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Request::TokenAuthentication < Request.load_middleware(:authorization)
     # Public

lib/faraday/request/url_encoded.rb

@@ -1,12 +1,14 @@
+# frozen_string_literal: true
+
 module Faraday
   # Middleware for supporting urlencoded requests.
   class Request::UrlEncoded < Faraday::Middleware
-    CONTENT_TYPE = 'Content-Type'.freeze unless defined? CONTENT_TYPE
+    CONTENT_TYPE = 'Content-Type' unless defined? CONTENT_TYPE
 
     class << self
       attr_accessor :mime_type
     end
-    self.mime_type = 'application/x-www-form-urlencoded'.freeze
+    self.mime_type = 'application/x-www-form-urlencoded'
 
     # Encodes as "application/x-www-form-urlencoded" if not already encoded or
     # of another type.

lib/faraday/response.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'forwardable'
 
 module Faraday

lib/faraday/response/logger.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'forwardable'
 
 module Faraday

lib/faraday/response/raise_error.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   class Response::RaiseError < Response::Middleware
     ClientErrorStatuses = 400...500

lib/faraday/upload_io.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require 'composite_io'
   require 'parts'
@@ -35,7 +37,7 @@ module Faraday
     # @param outbuf [String, nil]
     def read(length = nil, outbuf = nil)
       got_result = false
-      outbuf = outbuf ? outbuf.replace("") : ""
+      outbuf = outbuf ? (+outbuf).replace("") : +""
 
       while io = current_io
         if result = io.read(length)

lib/faraday/utils.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'thread'
 
 require 'faraday/utils/headers'

lib/faraday/utils/headers.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   module Utils
     # A case-insensitive Hash that preserves the original case of a header

lib/faraday/utils/params_hash.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   module Utils
     # A hash with stringified keys.

script/generate_certs

@@ -1,4 +1,6 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+
 # Usage: generate_certs
 # Generate test certs for testing Faraday with SSL
 

script/proxy-server

@@ -1,4 +1,6 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+
 # Usage: script/proxy-server [-p PORT] [-u USER:PASSWORD]
 require 'webrick'
 require 'webrick/httpproxy'

script/server

@@ -1,4 +1,6 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+
 old_verbose, $VERBOSE = $VERBOSE, nil
 begin
   require File.expand_path('../../test/live_server', __FILE__)

spec/faraday/adapter/excon_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Adapter::Excon do
   features :body_on_get, :reason_phrase_parse
 

spec/faraday/adapter/httpclient_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Adapter::HTTPClient do
   features :body_on_get, :reason_phrase_parse, :compression
 

spec/faraday/adapter/net_http_persistent_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Adapter::NetHttpPersistent do
   features :body_on_get, :reason_phrase_parse, :compression
 

spec/faraday/adapter/net_http_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Adapter::NetHttp do
   features :body_on_get, :reason_phrase_parse, :compression, :streaming
 

spec/faraday/adapter/patron_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Adapter::Patron do
   features :reason_phrase_parse
 

spec/faraday/adapter/typhoeus_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Adapter::Typhoeus do
   features :body_on_get, :parallel
 

spec/faraday/composite_read_io_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'stringio'
 
 RSpec.describe Faraday::CompositeReadIO do
@@ -67,11 +69,11 @@ RSpec.describe Faraday::CompositeReadIO do
   context 'with utf8 multibyte part' do
     subject { composite_io(part("\x86"), part("ファイル")) }
 
-    it { expect(subject.read).to eq("\x86\xE3\x83\x95\xE3\x82\xA1\xE3\x82\xA4\xE3\x83\xAB".force_encoding("BINARY"))}
+    it { expect(subject.read).to eq(String.new("\x86\xE3\x83\x95\xE3\x82\xA1\xE3\x82\xA4\xE3\x83\xAB", encoding: "BINARY"))}
     it 'allows to read in chunks' do
-      expect(subject.read(3)).to eq("\x86\xE3\x83".force_encoding("BINARY"))
-      expect(subject.read(3)).to eq("\x95\xE3\x82".force_encoding("BINARY"))
-      expect(subject.read(8)).to eq("\xA1\xE3\x82\xA4\xE3\x83\xAB".force_encoding("BINARY"))
+      expect(subject.read(3)).to eq(String.new("\x86\xE3\x83", encoding: "BINARY"))
+      expect(subject.read(3)).to eq(String.new("\x95\xE3\x82", encoding: "BINARY"))
+      expect(subject.read(8)).to eq(String.new("\xA1\xE3\x82\xA4\xE3\x83\xAB", encoding: "BINARY"))
       expect(subject.read(3)).to be_nil
     end
   end

spec/faraday/connection_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'initializer with url' do
   context 'with simple url' do
     let(:address) { 'http://sushi.com' }

spec/faraday/error_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::ClientError do
   describe '.initialize' do
     subject { described_class.new(exception, response) }

spec/faraday/options/env_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Env do
   subject(:env) { described_class.new }
 

spec/faraday/options/options_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Options do
   SubOptions = Class.new(Faraday::Options.new(:sub_a, :sub_b))
   class ParentOptions < Faraday::Options.new(:a, :b, :c)

spec/faraday/options/proxy_options_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::ProxyOptions do
   describe '#from' do
     it 'works with string' do

spec/faraday/options/request_options_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::RequestOptions do
   it 'allows to set the request proxy' do
     options = Faraday::RequestOptions.new

spec/faraday/params_encoders/flat_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rack/utils'
 
 RSpec.describe Faraday::FlatParamsEncoder do

spec/faraday/params_encoders/nested_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rack/utils'
 
 RSpec.describe Faraday::NestedParamsEncoder do

spec/faraday/rack_builder_spec.rb

@@ -1,8 +1,11 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::RackBuilder do
   # mock handler classes
   class Handler < Struct.new(:app)
     def call(env)
-      (env[:request_headers]['X-Middleware'] ||= '') << ":#{self.class.name.split('::').last}"
+      env[:request_headers]['X-Middleware'] ||= ''
+      env[:request_headers]['X-Middleware'] += ":#{self.class.name.split('::').last}"
       app.call(env)
     end
   end

spec/faraday/request/authorization_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Request::Authorization do
   let(:conn) do
     Faraday.new do |b|

spec/faraday/request/instrumentation_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Request::Instrumentation do
   class FakeInstrumenter
     attr_reader :instrumentations

spec/faraday/request/multipart_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Faraday::CompositeReadIO.class_eval { attr_reader :ios }
 
 RSpec.describe Faraday::Request::Multipart do

spec/faraday/request/retry_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Request::Retry do
   let(:calls) { [] }
   let(:times_called) { calls.size }

spec/faraday/request/url_encoded_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Request::UrlEncoded do
   let(:conn) do
     Faraday.new do |b|

spec/faraday/request_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Request do
   let(:conn) do
     Faraday.new(url: 'http://sushi.com/api',

spec/faraday/response/logger_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'stringio'
 require 'logger'
 

spec/faraday/response/middleware_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Response::Middleware do
   let(:conn) do
     Faraday.new do |b|

spec/faraday/response/raise_error_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Response::RaiseError do
   let(:conn) do
     Faraday.new do |b|

spec/faraday/response_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Response do
   subject { Faraday::Response.new(env) }
 

spec/faraday/utils/headers_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Utils::Headers do
   subject { Faraday::Utils::Headers.new }
 

spec/faraday/utils_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday::Utils do
   describe 'headers parsing' do
     let(:multi_response_headers) {

spec/faraday_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Faraday do
   it 'has a version number' do
     expect(Faraday::VERSION).not_to be nil

spec/spec_helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # This file was generated by the `rspec --init` command. Conventionally, all
 # specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
 # The generated `.rspec` file contains `--require spec_helper` which will cause

spec/support/fake_safe_buffer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # emulates ActiveSupport::SafeBuffer#gsub
 FakeSafeBuffer = Struct.new(:string) do
   def to_s; self end

spec/support/helper_methods.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   module HelperMethods
     def self.included(base)

spec/support/shared_examples/adapter.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'an adapter' do |**options|
   before { skip } if options[:skip]
 

spec/support/shared_examples/params_encoder.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'a params encoder' do
   it 'escapes safe buffer' do
     monies = FakeSafeBuffer.new('$32,000.00')

spec/support/shared_examples/request_method.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'a request method' do |http_method|
   let(:query_or_body) { method_with_body?(http_method) ? :body : :query }
   let(:response) { conn.public_send(http_method, '/') }

spec/support/streaming_response_checker.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   module StreamingResponseChecker
     def check_streaming_response(streamed, options = {})

test/adapters/em_http_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require File.expand_path('../integration', __FILE__)
 
 module Adapters

test/adapters/em_synchrony_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require File.expand_path('../integration', __FILE__)
 
 module Adapters

test/adapters/integration.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'forwardable'
 require File.expand_path("../../helper", __FILE__)
 require File.expand_path("../../shared", __FILE__)

test/adapters/rack_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require File.expand_path("../integration", __FILE__)
 require File.expand_path('../../live_server', __FILE__)
 

test/adapters/test_middleware_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require File.expand_path('../../helper', __FILE__)
 
 module Adapters

test/helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'simplecov'
 require 'coveralls'
 

test/live_server.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'sinatra/base'
 require_relative 'shared'
 

test/shared.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Faraday
   module Shared
     def self.big_string