Add unconfigured rubocops and fix errors

.rubocop_cc.yml

@@ -162,6 +162,8 @@ Lint/AmbiguousRange:
   Enabled: true
 Lint/ConstantOverwrittenInRescue:
   Enabled: true
+Lint/ConstantReassignment:
+  Enabled: true
 Lint/DeprecatedConstants:
   Enabled: true
 Lint/DuplicateBranch:
@@ -172,12 +174,16 @@ Lint/DuplicateMatchPattern:
   Enabled: true
 Lint/DuplicateRegexpCharacterClassElement:
   Enabled: true
+Lint/DuplicateSetElement:
+  Enabled: true
 Lint/EmptyBlock:
   Enabled: true
 Lint/EmptyClass:
   Enabled: true
 Lint/EmptyInPattern:
   Enabled: true
+Lint/HashNewWithKeywordArgumentsAsDefault:
+  Enabled: true
 Lint/IncompatibleIoSelectWithFiberScheduler:
   Enabled: true
 Lint/ItWithoutArgumentsInBlock:
@@ -194,6 +200,8 @@ Lint/NonAtomicFileOperation:
   Enabled: true
 Lint/NumberedParameterAssignment:
   Enabled: true
+Lint/NumericOperationWithConstantResult:
+  Enabled: true
 Lint/OrAssignmentToConstant:
   Enabled: true
 Lint/RedundantDirGlobSort:
@@ -206,16 +214,22 @@ Lint/RequireRangeParentheses:
   Enabled: true
 Lint/RequireRelativeSelfPath:
   Enabled: true
+Lint/SharedMutableDefault:
+  Enabled: true
 Lint/SymbolConversion:
   Enabled: true
 Lint/ToEnumArguments:
   Enabled: true
 Lint/TripleQuotes:
   Enabled: true
+Lint/UnescapedBracketInRegexp:
+  Enabled: true
 Lint/UnexpectedBlockArity:
   Enabled: true
 Lint/UnmodifiedReduceAccumulator:
   Enabled: true
+Lint/UselessDefined:
+  Enabled: true
 Lint/UselessRescue:
   Enabled: true
 Lint/UselessRuby2Keywords:
@@ -228,18 +242,26 @@ Security/CompoundHash:
   Enabled: true
 Security/IoMethods:
   Enabled: true
+Style/AmbiguousEndlessMethodDefinition:
+  Enabled: true
 Style/ArgumentsForwarding:
   Enabled: true
 Style/ArrayIntersect:
   Enabled: true
+Style/BitwisePredicate:
+  Enabled: true
 Style/CollectionCompact:
   Enabled: true
+Style/CombinableDefined:
+  Enabled: true
 Style/ComparableClamp:
   Enabled: true
 Style/ConcatArrayLiterals:
   Enabled: true
 Style/DataInheritance:
   Enabled: true
+Style/DigChain:
+  Enabled: true
 Style/DirEmpty:
   Enabled: true
 Style/DocumentDynamicEvalDefinition:
@@ -256,8 +278,12 @@ Style/FetchEnvVar:
   Enabled: true
 Style/FileEmpty:
   Enabled: true
+Style/FileNull:
+  Enabled: true
 Style/FileRead:
   Enabled: true
+Style/FileTouch:
+  Enabled: true
 Style/FileWrite:
   Enabled: true
 Style/HashConversion:
@@ -268,6 +294,10 @@ Style/IfWithBooleanLiteralBranches:
   Enabled: true
 Style/InPatternThen:
   Enabled: true
+Style/ItAssignment:
+  Enabled: true
+Style/KeywordArgumentsMerging:
+  Enabled: true
 Style/MagicCommentFormat:
   Enabled: true
 Style/MapCompactWithConditionalBlock:
@@ -328,6 +358,8 @@ Style/RedundantStringEscape:
   Enabled: true
 Style/ReturnNilInPredicateMethodDefinition:
   Enabled: true
+Style/SafeNavigationChainLength:
+  Enabled: true
 Style/SelectByRegexp:
   Enabled: true
 Style/StringChars:
@@ -528,6 +560,8 @@ RSpec/SpecFilePathFormat:
   Enabled: true
 RSpec/SpecFilePathSuffix:
   Enabled: true
+RSpec/StringAsInstanceDoubleConstant:
+  Enabled: true
 RSpec/SubjectDeclaration:
   Enabled: true
 RSpec/VerifiedDoubleReference:

config/environment.rb

@@ -1,4 +1,4 @@
 require File.expand_path('application', __dir__)
 
-Rails.logger = Logger.new('/dev/null')
+Rails.logger = Logger.new(File::NULL)
 Rails.application.initialize!

lib/cloud_controller/blobstore/fingerprints_collection.rb

@@ -31,7 +31,7 @@ def each(&block)
 
       def parse_mode(raw_mode, filename)
         mode = raw_mode ? raw_mode.to_i(8) : DEFAULT_FILE_MODE
-        unless (mode & 0o600) == 0o600
+        unless mode.allbits?(0o600)
           raise CloudController::Errors::ApiError.new_from_details('AppResourcesFileModeInvalid',
                                                                    "File mode '#{raw_mode}' with path '#{filename}' is invalid. Minimum file mode is '0600'")
         end

spec/request/admin_actions_spec.rb

@@ -12,7 +12,7 @@
 
     let(:expected_codes_and_responses) do
       h = Hash.new(
-        code: 403
+        { code: 403 }.freeze
       )
       h['admin'] = {
         code: 202

spec/request/app_features_spec.rb

@@ -44,7 +44,7 @@
       end
 
       let(:expected_codes_and_responses) do
-        h = Hash.new(code: 404)
+        h = Hash.new({ code: 404 }.freeze)
         %w[admin admin_read_only global_auditor space_developer space_manager space_auditor org_manager
            space_supporter].each do |r|
           h[r] = { code: 200, response_object: features_response_object }
@@ -62,7 +62,7 @@
 
   describe 'GET /v3/apps/:guid/features/:name' do
     let(:expected_codes_and_responses) do
-      h = Hash.new(code: 404)
+      h = Hash.new({ code: 404 }.freeze)
       %w[admin admin_read_only global_auditor space_developer space_manager space_auditor org_manager
          space_supporter].each do |r|
         h[r] = { code: 200, response_object: feature_response_object }
@@ -132,7 +132,7 @@
       end
 
       let(:expected_codes_and_responses) do
-        h = Hash.new(code: 403, errors: CF_NOT_AUTHORIZED)
+        h = Hash.new({ code: 403, errors: CF_NOT_AUTHORIZED }.freeze)
         %w[no_role org_auditor org_billing_manager].each { |r| h[r] = { code: 404 } }
         %w[admin space_developer].each { |r| h[r] = { code: 200, response_object: feature_response_object } }
         h
@@ -166,7 +166,7 @@
       end
 
       let(:expected_codes_and_responses) do
-        h = Hash.new(code: 403, errors: CF_NOT_AUTHORIZED)
+        h = Hash.new({ code: 403, errors: CF_NOT_AUTHORIZED }.freeze)
         %w[no_role org_auditor org_billing_manager].each { |r| h[r] = { code: 404 } }
         %w[admin space_developer space_supporter].each do |r|
           h[r] = { code: 200, response_object: feature_response_object }
@@ -202,7 +202,7 @@
       end
 
       let(:expected_codes_and_responses) do
-        h = Hash.new(code: 403, errors: CF_NOT_AUTHORIZED)
+        h = Hash.new({ code: 403, errors: CF_NOT_AUTHORIZED }.freeze)
         %w[no_role org_auditor org_billing_manager].each { |r| h[r] = { code: 404 } }
         %w[admin space_developer].each { |r| h[r] = { code: 200, response_object: feature_response_object } }
         h

spec/request/app_manifests_spec.rb

@@ -58,7 +58,7 @@
     context 'permissions' do
       let(:api_call) { ->(user_headers) { get "/v3/apps/#{app_model.guid}/manifest", nil, user_headers } }
       let(:expected_codes_and_responses) do
-        h = Hash.new(code: 403)
+        h = Hash.new({ code: 403 }.freeze)
         h['no_role'] = { code: 404 }
         h['org_auditor'] = { code: 404 }
         h['org_billing_manager'] = { code: 404 }

spec/request/app_usage_events_spec.rb

@@ -16,8 +16,8 @@
 
     let(:expected_codes_and_responses) do
       h = Hash.new(
-        code: 404,
-        response_object: []
+        { code: 404,
+          response_object: [] }.freeze
       )
       h['admin'] = {
         code: 200,
@@ -63,8 +63,8 @@
 
     let(:expected_codes_and_responses) do
       h = Hash.new(
-        code: 200,
-        response_objects: []
+        { code: 200,
+          response_objects: [] }.freeze
       )
       h['admin'] = {
         code: 200,
@@ -151,7 +151,7 @@
     end
 
     let(:expected_codes_and_responses) do
-      h = Hash.new(code: 403)
+      h = Hash.new({ code: 403 }.freeze)
       h['admin'] = { code: 200 }
       h
     end