diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index e49fd534..c6bc5af2 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2019-02-26 21:39:01 +0100 using RuboCop version 0.65.0.
+# on 2019-02-27 08:43:56 +0100 using RuboCop version 0.65.0.
 # 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
@@ -15,15 +15,6 @@ Layout/EndAlignment:
     - 'lib/faraday/connection.rb'
     - 'test/helper.rb'
 
-# Offense count: 3
-# Cop supports --auto-correct.
-# Configuration parameters: AllowForAlignment, ForceEqualSignAlignment.
-Layout/ExtraSpacing:
-  Exclude:
-    - 'lib/faraday/adapter/net_http.rb'
-    - 'lib/faraday/connection.rb'
-    - 'test/adapters/test_middleware_test.rb'
-
 # Offense count: 2
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle, IndentationWidth.
@@ -46,103 +37,6 @@ Layout/RescueEnsureAlignment:
   Exclude:
     - 'lib/faraday/adapter/patron.rb'
 
-# Offense count: 5
-# Cop supports --auto-correct.
-Layout/SpaceAfterComma:
-  Exclude:
-    - 'lib/faraday/connection.rb'
-    - 'lib/faraday/request/multipart.rb'
-    - 'lib/faraday/request/retry.rb'
-    - 'spec/faraday/connection_spec.rb'
-
-# Offense count: 5
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: space, no_space
-Layout/SpaceAroundEqualsInParameterDefault:
-  Exclude:
-    - 'lib/faraday/adapter/test.rb'
-
-# Offense count: 12
-# Cop supports --auto-correct.
-# Configuration parameters: AllowForAlignment.
-Layout/SpaceAroundOperators:
-  Exclude:
-    - 'lib/faraday/adapter/net_http.rb'
-    - 'lib/faraday/request/retry.rb'
-    - 'script/generate_certs'
-    - 'spec/faraday/request/url_encoded_spec.rb'
-    - 'spec/support/helper_methods.rb'
-    - 'test/adapters/test_middleware_test.rb'
-    - 'test/shared.rb'
-
-# Offense count: 3
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBraces.
-# SupportedStyles: space, no_space
-# SupportedStylesForEmptyBraces: space, no_space
-Layout/SpaceBeforeBlockBraces:
-  Exclude:
-    - 'spec/support/helper_methods.rb'
-    - 'test/adapters/test_middleware_test.rb'
-    - 'test/shared.rb'
-
-# Offense count: 2
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBrackets.
-# SupportedStyles: space, no_space, compact
-# SupportedStylesForEmptyBrackets: space, no_space
-Layout/SpaceInsideArrayLiteralBrackets:
-  Exclude:
-    - 'lib/faraday/response/logger.rb'
-
-# Offense count: 9
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBraces, SpaceBeforeBlockParameters.
-# SupportedStyles: space, no_space
-# SupportedStylesForEmptyBraces: space, no_space
-Layout/SpaceInsideBlockBraces:
-  Exclude:
-    - 'lib/faraday/adapter/test.rb'
-    - 'lib/faraday/utils.rb'
-    - 'script/generate_certs'
-    - 'spec/faraday/composite_read_io_spec.rb'
-    - 'spec/faraday/utils_spec.rb'
-    - 'spec/support/helper_methods.rb'
-    - 'test/shared.rb'
-
-# Offense count: 52
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBraces.
-# SupportedStyles: space, no_space, compact
-# SupportedStylesForEmptyBraces: space, no_space
-Layout/SpaceInsideHashLiteralBraces:
-  Exclude:
-    - 'lib/faraday/adapter/net_http_persistent.rb'
-    - 'lib/faraday/options/proxy_options.rb'
-    - 'lib/faraday/response/raise_error.rb'
-    - 'spec/faraday/params_encoders/flat_spec.rb'
-    - 'spec/faraday/params_encoders/nested_spec.rb'
-    - 'spec/faraday/request/url_encoded_spec.rb'
-    - 'spec/faraday/utils_spec.rb'
-    - 'test/adapters/rack_test.rb'
-    - 'test/adapters/test_middleware_test.rb'
-
-# Offense count: 10
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: space, no_space
-Layout/SpaceInsideParens:
-  Exclude:
-    - 'lib/faraday/adapter/excon.rb'
-    - 'lib/faraday/response/logger.rb'
-
-# Offense count: 2
-# Cop supports --auto-correct.
-Layout/SpaceInsidePercentLiteralDelimiters:
-  Exclude:
-    - 'lib/faraday/adapter/rack.rb'
-
 # Offense count: 1
 Lint/HandleExceptions:
   Exclude:
@@ -913,7 +807,7 @@ Style/YodaCondition:
     - 'script/proxy-server'
     - 'test/helper.rb'
 
-# Offense count: 272
+# Offense count: 273
 # Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
 # URISchemes: http, https
 Metrics/LineLength:
diff --git a/lib/faraday/adapter/excon.rb b/lib/faraday/adapter/excon.rb
index 2f39f3ef..421052be 100644
--- a/lib/faraday/adapter/excon.rb
+++ b/lib/faraday/adapter/excon.rb
@@ -27,7 +27,7 @@ module Faraday
           opts[:nonblock] = false
         end
 
-        if ( req = env[:request] )
+        if (req = env[:request])
           if req[:timeout]
             opts[:read_timeout]      = req[:timeout]
             opts[:connect_timeout]   = req[:timeout]
diff --git a/lib/faraday/adapter/net_http.rb b/lib/faraday/adapter/net_http.rb
index 1fac6dfb..8eac3ab3 100644
--- a/lib/faraday/adapter/net_http.rb
+++ b/lib/faraday/adapter/net_http.rb
@@ -161,7 +161,7 @@ module Faraday
         http.open_timeout  = req[:open_timeout]  if req[:open_timeout]
         http.write_timeout = req[:write_timeout] if req[:write_timeout] && http.respond_to?(:write_timeout=)
         # Only set if Net::Http supports it, since Ruby 2.5.
-        http.max_retries  = 0                    if http.respond_to?(:max_retries=)
+        http.max_retries = 0 if http.respond_to?(:max_retries=)
 
         @config_block.call(http) if @config_block
       end
diff --git a/lib/faraday/adapter/net_http_persistent.rb b/lib/faraday/adapter/net_http_persistent.rb
index 13b2bcb5..3035d89b 100644
--- a/lib/faraday/adapter/net_http_persistent.rb
+++ b/lib/faraday/adapter/net_http_persistent.rb
@@ -11,7 +11,7 @@ module Faraday
       def net_http_connection(env)
         @cached_connection ||=
           if Net::HTTP::Persistent.instance_method(:initialize).parameters.first == [:key, :name]
-            options = {name: 'Faraday'}
+            options = { name: 'Faraday' }
             options[:pool_size] = @connection_options[:pool_size] if @connection_options.key?(:pool_size)
             Net::HTTP::Persistent.new(options)
           else
diff --git a/lib/faraday/adapter/rack.rb b/lib/faraday/adapter/rack.rb
index 11f27323..378b49ea 100644
--- a/lib/faraday/adapter/rack.rb
+++ b/lib/faraday/adapter/rack.rb
@@ -19,7 +19,7 @@ module Faraday
       dependency 'rack/test'
 
       # not prefixed with "HTTP_"
-      SPECIAL_HEADERS = %w[ CONTENT_LENGTH CONTENT_TYPE ]
+      SPECIAL_HEADERS = %w[CONTENT_LENGTH CONTENT_TYPE]
 
       def initialize(faraday_app, rack_app)
         super(faraday_app)
diff --git a/lib/faraday/adapter/test.rb b/lib/faraday/adapter/test.rb
index 5504dfe5..e4c15bd6 100644
--- a/lib/faraday/adapter/test.rb
+++ b/lib/faraday/adapter/test.rb
@@ -77,15 +77,15 @@ module Faraday
           new_stub(:head, path, headers, &block)
         end
 
-        def post(path, body=nil, headers = {}, &block)
+        def post(path, body = nil, headers = {}, &block)
           new_stub(:post, path, headers, body, &block)
         end
 
-        def put(path, body=nil, headers = {}, &block)
+        def put(path, body = nil, headers = {}, &block)
           new_stub(:put, path, headers, body, &block)
         end
 
-        def patch(path, body=nil, headers = {}, &block)
+        def patch(path, body = nil, headers = {}, &block)
           new_stub(:patch, path, headers, body, &block)
         end
 
@@ -102,7 +102,7 @@ module Faraday
           failed_stubs = []
           @stack.each do |method, stubs|
             unless stubs.empty?
-              failed_stubs.concat(stubs.map {|stub|
+              failed_stubs.concat(stubs.map { |stub|
                 "Expected #{method} #{stub}."
               })
             end
@@ -112,7 +112,7 @@ module Faraday
 
         protected
 
-        def new_stub(request_method, path, headers = {}, body=nil, &block)
+        def new_stub(request_method, path, headers = {}, body = nil, &block)
           normalized_path, host =
             if path.is_a?(Regexp)
               path
@@ -181,7 +181,7 @@ module Faraday
         end
       end
 
-      def initialize(app, stubs=nil, &block)
+      def initialize(app, stubs = nil, &block)
         super(app)
         @stubs = stubs || Stubs.new
         configure(&block) if block
diff --git a/lib/faraday/connection.rb b/lib/faraday/connection.rb
index 80e55a64..3d3ede49 100644
--- a/lib/faraday/connection.rb
+++ b/lib/faraday/connection.rb
@@ -368,7 +368,7 @@ module Faraday
     def in_parallel(manager = nil)
       @parallel_manager = manager || default_parallel_manager {
         warn 'Warning: `in_parallel` called but no parallel-capable adapter on Faraday stack'
-        warn caller[2,10].join("\n")
+        warn caller[2, 10].join("\n")
         nil
       }
       yield
@@ -428,7 +428,7 @@ module Faraday
     # @return [String] the new path prefix
     def path_prefix=(value)
       url_prefix.path = if value
-                          value = '/' + value unless value[0,1] == '/'
+                          value = '/' + value unless value[0, 1] == '/'
                           value
       end
     end
@@ -512,7 +512,7 @@ module Faraday
       base = url_prefix
       if url and base.path and base.path !~ /\/$/
         base = base.dup
-        base.path = base.path + '/'  # ensure trailing slash
+        base.path = base.path + '/' # ensure trailing slash
       end
       uri = url ? base + url : base
       uri.query = params.to_query(params_encoder || options.params_encoder) if params
diff --git a/lib/faraday/options/proxy_options.rb b/lib/faraday/options/proxy_options.rb
index 0c5b631a..5056c273 100644
--- a/lib/faraday/options/proxy_options.rb
+++ b/lib/faraday/options/proxy_options.rb
@@ -8,9 +8,9 @@ module Faraday
     def self.from(value)
       case value
       when String
-        value = {uri: Utils.URI(value)}
+        value = { uri: Utils.URI(value) }
       when URI
-        value = {uri: value}
+        value = { uri: value }
       when Hash, Options
         if (uri = value.delete(:uri))
           value[:uri] = Utils.URI(uri)
diff --git a/lib/faraday/request/multipart.rb b/lib/faraday/request/multipart.rb
index 6a31d379..99061785 100644
--- a/lib/faraday/request/multipart.rb
+++ b/lib/faraday/request/multipart.rb
@@ -72,7 +72,7 @@ module Faraday
 
         case value
         when Array
-          values = value.inject([]) { |a,v| a << [nil, v] }
+          values = value.inject([]) { |a, v| a << [nil, v] }
           process_params(values, key, all, &block)
         when Hash
           process_params(value, key, all, &block)
diff --git a/lib/faraday/request/retry.rb b/lib/faraday/request/retry.rb
index 9facb69c..38b7659c 100644
--- a/lib/faraday/request/retry.rb
+++ b/lib/faraday/request/retry.rb
@@ -29,7 +29,7 @@ module Faraday
                                          :backoff_factor, :exceptions, :methods, :retry_if, :retry_block,
                                          :retry_statuses)
 
-      DEFAULT_CHECK = lambda { |env,exception| false }
+      DEFAULT_CHECK = lambda { |env, exception| false }
 
       def self.from(value)
         if Integer === value
@@ -202,7 +202,7 @@ module Faraday
 
     def calculate_retry_interval(retries)
       retry_index = @options.max - retries
-      current_interval = @options.interval * (@options.backoff_factor ** retry_index)
+      current_interval = @options.interval * (@options.backoff_factor**retry_index)
       current_interval = [current_interval, @options.max_interval].min
       random_interval  = rand * @options.interval_randomness.to_f * @options.interval
 
diff --git a/lib/faraday/response/logger.rb b/lib/faraday/response/logger.rb
index ea1d9ad0..6f66bcf2 100644
--- a/lib/faraday/response/logger.rb
+++ b/lib/faraday/response/logger.rb
@@ -23,19 +23,19 @@ module Faraday
 
     def call(env)
       info('request')  { "#{env.method.upcase} #{apply_filters(env.url.to_s)}" }
-      debug('request') { apply_filters( dump_headers env.request_headers ) } if log_headers?(:request)
-      debug('request') { apply_filters( dump_body(env[:body]) ) } if env[:body] && log_body?(:request)
+      debug('request') { apply_filters(dump_headers env.request_headers) } if log_headers?(:request)
+      debug('request') { apply_filters(dump_body(env[:body])) } if env[:body] && log_body?(:request)
       super
     end
 
     def on_complete(env)
       info('response')  { "Status #{env.status.to_s}" }
-      debug('response') { apply_filters( dump_headers env.response_headers ) } if log_headers?(:response)
-      debug('response') { apply_filters( dump_body env[:body] ) } if env[:body] && log_body?(:response)
+      debug('response') { apply_filters(dump_headers env.response_headers) } if log_headers?(:response)
+      debug('response') { apply_filters(dump_body env[:body]) } if env[:body] && log_body?(:response)
     end
 
     def filter(filter_word, filter_replacement)
-      @filter.push([ filter_word, filter_replacement ])
+      @filter.push([filter_word, filter_replacement])
     end
 
     private
diff --git a/lib/faraday/response/raise_error.rb b/lib/faraday/response/raise_error.rb
index 6292ab40..c6ac900b 100644
--- a/lib/faraday/response/raise_error.rb
+++ b/lib/faraday/response/raise_error.rb
@@ -28,7 +28,7 @@ module Faraday
     end
 
     def response_values(env)
-      {status: env.status, headers: env.response_headers, body: env.body}
+      { status: env.status, headers: env.response_headers, body: env.body }
     end
   end
 end
diff --git a/lib/faraday/utils.rb b/lib/faraday/utils.rb
index 6965f6d5..a1202df1 100644
--- a/lib/faraday/utils.rb
+++ b/lib/faraday/utils.rb
@@ -20,7 +20,7 @@ module Faraday
     ESCAPE_RE = /[^a-zA-Z0-9 .~_-]/
 
     def escape(s)
-      s.to_s.gsub(ESCAPE_RE) {|match|
+      s.to_s.gsub(ESCAPE_RE) { |match|
         '%' + match.unpack('H2' * match.bytesize).join('%').upcase
       }.tr(' ', '+')
     end
diff --git a/script/generate_certs b/script/generate_certs
index f47997ca..ff10303b 100755
--- a/script/generate_certs
+++ b/script/generate_certs
@@ -20,7 +20,7 @@ def create_self_signed_cert(bits, cn, comment)
   cert.subject = name
   cert.issuer = name
   cert.not_before = Time.now
-  cert.not_after = Time.now + (365*24*60*60)
+  cert.not_after = Time.now + (365 * 24 * 60 * 60)
   cert.public_key = rsa.public_key
   cert.sign(rsa, OpenSSL::Digest::SHA1.new)
   return [cert, rsa]
@@ -28,7 +28,7 @@ end
 
 def write(file, contents, env_var)
   FileUtils.mkdir_p(File.dirname(file))
-  File.open(file, 'w') {|f| f.puts(contents) }
+  File.open(file, 'w') { |f| f.puts(contents) }
   puts %(export #{env_var}="#{file}") if $shell
 end
 
diff --git a/spec/faraday/composite_read_io_spec.rb b/spec/faraday/composite_read_io_spec.rb
index 9575ecd0..ccba34f3 100644
--- a/spec/faraday/composite_read_io_spec.rb
+++ b/spec/faraday/composite_read_io_spec.rb
@@ -69,7 +69,7 @@ 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(String.new("\x86\xE3\x83\x95\xE3\x82\xA1\xE3\x82\xA4\xE3\x83\xAB", 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(String.new("\x86\xE3\x83", encoding: 'BINARY'))
       expect(subject.read(3)).to eq(String.new("\x95\xE3\x82", encoding: 'BINARY'))
diff --git a/spec/faraday/connection_spec.rb b/spec/faraday/connection_spec.rb
index 27f246ae..b3a23b1d 100644
--- a/spec/faraday/connection_spec.rb
+++ b/spec/faraday/connection_spec.rb
@@ -602,7 +602,7 @@ RSpec.describe Faraday::Connection do
       it 'allows to set params_encoder for single request' do
         encoder = Object.new
         def encoder.encode(params)
-          params.map { |k,v| "#{k.upcase}-#{v.to_s.upcase}" }.join(',')
+          params.map { |k, v| "#{k.upcase}-#{v.to_s.upcase}" }.join(',')
         end
         stubbed = stub_request(:get, 'http://example.com/?A-1,B-2,C-3,FEELING-BLUE')
 
diff --git a/spec/faraday/params_encoders/flat_spec.rb b/spec/faraday/params_encoders/flat_spec.rb
index 93a8c6c7..7e735762 100644
--- a/spec/faraday/params_encoders/flat_spec.rb
+++ b/spec/faraday/params_encoders/flat_spec.rb
@@ -7,7 +7,7 @@ RSpec.describe Faraday::FlatParamsEncoder do
 
   it 'decodes arrays' do
     query = 'a=one&a=two&a=three'
-    expected = {'a' => %w(one two three) }
+    expected = { 'a' => %w(one two three) }
     expect(subject.decode(query)).to eq(expected)
   end
 end
diff --git a/spec/faraday/params_encoders/nested_spec.rb b/spec/faraday/params_encoders/nested_spec.rb
index 46c30b01..aaeb0521 100644
--- a/spec/faraday/params_encoders/nested_spec.rb
+++ b/spec/faraday/params_encoders/nested_spec.rb
@@ -68,13 +68,13 @@ RSpec.describe Faraday::NestedParamsEncoder do
 
   it 'encodes empty string array value' do
     expected = 'baz=&foo%5Bbar%5D='
-    result = Faraday::NestedParamsEncoder.encode(foo: {bar: ''}, baz: '')
+    result = Faraday::NestedParamsEncoder.encode(foo: { bar: '' }, baz: '')
     expect(result).to eq(expected)
   end
 
   it 'encodes nil array value' do
     expected = 'baz&foo%5Bbar%5D'
-    result = Faraday::NestedParamsEncoder.encode(foo: {bar: nil}, baz: nil)
+    result = Faraday::NestedParamsEncoder.encode(foo: { bar: nil }, baz: nil)
     expect(result).to eq(expected)
   end
 
diff --git a/spec/faraday/request/url_encoded_spec.rb b/spec/faraday/request/url_encoded_spec.rb
index cb03524e..d0dbe716 100644
--- a/spec/faraday/request/url_encoded_spec.rb
+++ b/spec/faraday/request/url_encoded_spec.rb
@@ -8,7 +8,7 @@ RSpec.describe Faraday::Request::UrlEncoded do
       b.adapter :test do |stub|
         stub.post('/echo') do |env|
           posted_as = env[:request_headers]['Content-Type']
-          [200, {'Content-Type' => posted_as}, env[:body]]
+          [200, { 'Content-Type' => posted_as }, env[:body]]
         end
       end
     end
@@ -33,20 +33,20 @@ RSpec.describe Faraday::Request::UrlEncoded do
   end
 
   it 'works with with headers' do
-    response = conn.post('/echo', {'a'=>123}, 'content-type' => 'application/x-www-form-urlencoded')
+    response = conn.post('/echo', { 'a' => 123 }, 'content-type' => 'application/x-www-form-urlencoded')
     expect(response.headers['Content-Type']).to eq('application/x-www-form-urlencoded')
     expect(response.body).to eq('a=123')
   end
 
   it 'works with nested params' do
-    response = conn.post('/echo', { user: {name: 'Mislav', web: 'mislav.net'} })
+    response = conn.post('/echo', { user: { name: 'Mislav', web: 'mislav.net' } })
     expect(response.headers['Content-Type']).to eq('application/x-www-form-urlencoded')
-    expected = { 'user' => {'name' => 'Mislav', 'web' => 'mislav.net'} }
+    expected = { 'user' => { 'name' => 'Mislav', 'web' => 'mislav.net' } }
     expect(Faraday::Utils.parse_nested_query(response.body)).to eq(expected)
   end
 
   it 'works with non nested params' do
-    response = conn.post('/echo', { dimensions: ['date', 'location']}) do |req|
+    response = conn.post('/echo', { dimensions: ['date', 'location'] }) do |req|
       req.options.params_encoder = Faraday::FlatParamsEncoder
     end
     expect(response.headers['Content-Type']).to eq('application/x-www-form-urlencoded')
@@ -57,14 +57,14 @@ RSpec.describe Faraday::Request::UrlEncoded do
 
   it 'works with unicode' do
     err = capture_warnings {
-      response = conn.post('/echo', {str: 'eé cç aã aâ'})
+      response = conn.post('/echo', { str: 'eé cç aã aâ' })
       expect(response.body).to eq('str=e%C3%A9+c%C3%A7+a%C3%A3+a%C3%A2')
     }
     expect(err.empty?).to be_truthy
   end
 
   it 'works with nested keys' do
-    response = conn.post('/echo', {'a'=>{'b'=>{'c'=>['d']}}})
+    response = conn.post('/echo', { 'a' => { 'b' => { 'c' => ['d'] } } })
     expect(response.body).to eq('a%5Bb%5D%5Bc%5D%5B%5D=d')
   end
 end
diff --git a/spec/faraday/utils_spec.rb b/spec/faraday/utils_spec.rb
index 43b37e6e..b7d0f3f5 100644
--- a/spec/faraday/utils_spec.rb
+++ b/spec/faraday/utils_spec.rb
@@ -40,7 +40,7 @@ RSpec.describe Faraday::Utils do
     end
 
     it 'parses with block' do
-      with_default_uri_parser(lambda {|u| "booya#{"!" * u.size}" }) do
+      with_default_uri_parser(lambda { |u| "booya#{"!" * u.size}" }) do
         expect(normalize(url)).to eq('booya!!!!!!!!!!!!!!!!!!!!!!')
       end
     end
@@ -49,7 +49,7 @@ RSpec.describe Faraday::Utils do
       headers = Faraday::Utils::Headers.new('authorization' => 't0ps3cr3t!')
       expect(headers).to have_key('authorization')
 
-      headers.replace({'content-type' => 'text/plain'})
+      headers.replace({ 'content-type' => 'text/plain' })
       expect(headers).not_to have_key('authorization')
     end
   end
diff --git a/spec/support/helper_methods.rb b/spec/support/helper_methods.rb
index fa765c71..04755b4b 100644
--- a/spec/support/helper_methods.rb
+++ b/spec/support/helper_methods.rb
@@ -93,7 +93,7 @@ module Faraday
 
     def big_string
       kb = 1024
-      (32..126).map{|i| i.chr}.cycle.take(50*kb).join
+      (32..126).map { |i| i.chr }.cycle.take(50 * kb).join
     end
   end
 end
diff --git a/test/adapters/rack_test.rb b/test/adapters/rack_test.rb
index 95747c3f..44cd11d3 100644
--- a/test/adapters/rack_test.rb
+++ b/test/adapters/rack_test.rb
@@ -25,7 +25,7 @@ module Adapters
 
     # not using shared test because error is swallowed by Sinatra
     def test_timeout
-      conn = create_connection(request: {timeout: 1, open_timeout: 1})
+      conn = create_connection(request: { timeout: 1, open_timeout: 1 })
       begin
         conn.get '/slow'
       rescue Faraday::ClientError
diff --git a/test/adapters/test_middleware_test.rb b/test/adapters/test_middleware_test.rb
index 8b9264d1..dbc07500 100644
--- a/test/adapters/test_middleware_test.rb
+++ b/test/adapters/test_middleware_test.rb
@@ -8,28 +8,28 @@ module Adapters
     def setup
       @stubs = Stubs.new do |stub|
         stub.get('/hello') do
-          [200, {'Content-Type' => 'text/html'}, 'hello']
+          [200, { 'Content-Type' => 'text/html' }, 'hello']
         end
         stub.get('/method-echo') do |env|
-          [200, {'Content-Type' => 'text/html'}, env[:method].to_s]
+          [200, { 'Content-Type' => 'text/html' }, env[:method].to_s]
         end
         stub.get(/\A\/resources\/\d+(?:\?|\z)/) do
-          [200, {'Content-Type' => 'text/html'}, 'show']
+          [200, { 'Content-Type' => 'text/html' }, 'show']
         end
         stub.get(/\A\/resources\/(specified)\z/) do |env, meta|
-          [200, {'Content-Type' => 'text/html'}, "show #{meta[:match_data][1]}"]
+          [200, { 'Content-Type' => 'text/html' }, "show #{meta[:match_data][1]}"]
         end
         stub.get('http://domain.test/hello') do
-          [200, {'Content-Type' => 'text/html'}, 'domain: hello']
+          [200, { 'Content-Type' => 'text/html' }, 'domain: hello']
         end
         stub.get('http://wrong.test/hello') do
-          [200, {'Content-Type' => 'text/html'}, 'wrong: hello']
+          [200, { 'Content-Type' => 'text/html' }, 'wrong: hello']
         end
         stub.get('http://wrong.test/bait') do
-          [404, {'Content-Type' => 'text/html'}]
+          [404, { 'Content-Type' => 'text/html' }]
         end
       end
-      @conn  = Faraday.new do |builder|
+      @conn = Faraday.new do |builder|
         builder.adapter :test, @stubs
       end
       @resp = @conn.get('/hello')
@@ -89,8 +89,8 @@ module Adapters
     end
 
     def test_middleware_allow_different_outcomes_for_the_same_request
-      @stubs.get('/hello') { [200, {'Content-Type' => 'text/html'}, 'hello'] }
-      @stubs.get('/hello') { [200, {'Content-Type' => 'text/html'}, 'world'] }
+      @stubs.get('/hello') { [200, { 'Content-Type' => 'text/html' }, 'hello'] }
+      @stubs.get('/hello') { [200, { 'Content-Type' => 'text/html' }, 'world'] }
       assert_equal 'hello', @conn.get('/hello').body
       assert_equal 'world', @conn.get('/hello').body
     end
@@ -139,7 +139,7 @@ module Adapters
 
     def test_raises_an_error_if_no_stub_is_found_for_request
       assert_raises Stubs::NotFound do
-        @conn.get('/invalid'){ [200, {}, []] }
+        @conn.get('/invalid') { [200, {}, []] }
       end
     end
 
diff --git a/test/shared.rb b/test/shared.rb
index 8d2a6601..5d0c26fc 100644
--- a/test/shared.rb
+++ b/test/shared.rb
@@ -4,7 +4,7 @@ module Faraday
   module Shared
     def self.big_string
       kb = 1024
-      (32..126).map{|i| i.chr}.cycle.take(50*kb).join
+      (32..126).map { |i| i.chr }.cycle.take(50 * kb).join
     end
 
     def big_string