[rubygems/rubygems] util/rubocop -A --only Style/StringLiteralsInInterpolation

https://github.com/rubygems/rubygems/commit/cb554f6eb7

lib/rubygems.rb

@@ -903,7 +903,7 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   # Glob pattern for require-able path suffixes.
 
   def self.suffix_pattern
-    @suffix_pattern ||= "{#{suffixes.join(',')}}"
+    @suffix_pattern ||= "{#{suffixes.join(",")}}"
   end
 
   ##

lib/rubygems/basic_specification.rb

@@ -290,7 +290,7 @@ class Gem::BasicSpecification
   def lib_dirs_glob
     dirs = if self.raw_require_paths
       if self.raw_require_paths.size > 1
-        "{#{self.raw_require_paths.join(',')}}"
+        "{#{self.raw_require_paths.join(",")}}"
       else
         self.raw_require_paths.first
       end

lib/rubygems/command.rb

@@ -227,7 +227,7 @@ class Gem::Command
 
     if args.size > 1
       raise Gem::CommandLineError,
-            "Too many gem names (#{args.join(', ')}); please specify only one"
+            "Too many gem names (#{args.join(", ")}); please specify only one"
     end
 
     args.first

lib/rubygems/command_manager.rb

@@ -200,7 +200,7 @@ class Gem::CommandManager
 
     if possibilities.size > 1
       raise Gem::CommandLineError,
-            "Ambiguous command #{cmd_name} matches [#{possibilities.join(', ')}]"
+            "Ambiguous command #{cmd_name} matches [#{possibilities.join(", ")}]"
     elsif possibilities.empty?
       raise Gem::UnknownCommandError.new(cmd_name)
     end

lib/rubygems/commands/cleanup_command.rb

@@ -89,7 +89,7 @@ If no gems are named all gems in GEM_HOME are cleaned.
     verbose do
       skipped = @default_gems.map {|spec| spec.full_name }
 
-      "Skipped default gems: #{skipped.join ', '}"
+      "Skipped default gems: #{skipped.join ", "}"
     end
   end
 

lib/rubygems/commands/contents_command.rb

@@ -91,7 +91,7 @@ prefix or only the files that are requireable.
 
   def files_in_gem(spec)
     gem_path  = spec.full_gem_path
-    extra     = "/{#{spec.require_paths.join ','}}" if options[:lib_only]
+    extra     = "/{#{spec.require_paths.join ","}}" if options[:lib_only]
     glob      = "#{gem_path}#{extra}/**/*"
     prefix_re = /#{Regexp.escape(gem_path)}\//
 

lib/rubygems/commands/help_command.rb

@@ -327,7 +327,7 @@ platform.
 
     summary_width = 80 - margin_width - desc_width
     wrap_indent = " " * (margin_width + desc_width)
-    format = "#{' ' * margin_width}%-#{desc_width}s%s"
+    format = "#{" " * margin_width}%-#{desc_width}s%s"
 
     @command_manager.command_names.each do |cmd_name|
       command = @command_manager[cmd_name]
@@ -366,7 +366,7 @@ platform.
       command = @command_manager[possibilities.first]
       command.invoke("--help")
     elsif possibilities.size > 1
-      alert_warning "Ambiguous command #{command_name} (#{possibilities.join(', ')})"
+      alert_warning "Ambiguous command #{command_name} (#{possibilities.join(", ")})"
     else
       alert_warning "Unknown command #{command_name}. Try: gem help commands"
     end

lib/rubygems/commands/owner_command.rb

@@ -78,7 +78,7 @@ permission to.
 
       say "Owners for gem: #{name}"
       owners.each do |owner|
-        say "- #{owner['email'] || owner['handle'] || owner['id']}"
+        say "- #{owner["email"] || owner["handle"] || owner["id"]}"
       end
     end
   end

lib/rubygems/commands/setup_command.rb

@@ -133,7 +133,7 @@ prefix and suffix.  If ruby was installed as `ruby18`, gem will be
 installed as `gem18`.
 
 By default, this RubyGems will install gem as:
-  #{Gem.default_exec_format % 'gem'}
+  #{Gem.default_exec_format % "gem"}
     EOF
   end
 

lib/rubygems/commands/stale_command.rb

@@ -33,7 +33,7 @@ longer using.
     end
 
     gem_to_atime.sort_by {|_, atime| atime }.each do |name, atime|
-      say "#{name} at #{atime.strftime '%c'}"
+      say "#{name} at #{atime.strftime "%c"}"
     end
   end
 end

lib/rubygems/commands/update_command.rb

@@ -127,10 +127,10 @@ command to remove old versions.
     if updated.empty?
       say "Nothing to update"
     else
-      say "Gems updated: #{updated_names.join(' ')}"
+      say "Gems updated: #{updated_names.join(" ")}"
     end
-    say "Gems already up-to-date: #{up_to_date_names.join(' ')}" unless up_to_date_names.empty?
-    say "Gems not currently installed: #{not_installed_names.join(' ')}" unless not_installed_names.empty?
+    say "Gems already up-to-date: #{up_to_date_names.join(" ")}" unless up_to_date_names.empty?
+    say "Gems not currently installed: #{not_installed_names.join(" ")}" unless not_installed_names.empty?
   end
 
   def fetch_remote_gems(spec) # :nodoc:

lib/rubygems/core_ext/kernel_gem.rb

@@ -38,7 +38,7 @@ module Kernel
 
     if gem_name.kind_of? Gem::Dependency
       unless Gem::Deprecate.skip
-        warn "#{Gem.location_of_caller.join ':'}:Warning: Kernel.gem no longer "\
+        warn "#{Gem.location_of_caller.join ":"}:Warning: Kernel.gem no longer "\
           "accepts a Gem::Dependency object, please pass the name "\
           "and requirements directly"
       end

lib/rubygems/core_ext/kernel_require.rb

@@ -126,7 +126,7 @@ module Kernel
 
         if names.size > 1
           RUBYGEMS_ACTIVATION_MONITOR.exit
-          raise Gem::LoadError, "#{path} found in multiple gems: #{names.join ', '}"
+          raise Gem::LoadError, "#{path} found in multiple gems: #{names.join ", "}"
         end
 
         # Ok, now find a gem that has no conflicts, starting

lib/rubygems/doctor.rb

@@ -32,7 +32,7 @@ class Gem::Doctor
     Gem::REPOSITORY_SUBDIRECTORIES.sort -
     REPOSITORY_EXTENSION_MAP.map {|(k,_)| k }.sort
 
-  raise "Update REPOSITORY_EXTENSION_MAP, missing: #{missing.join ', '}" unless
+  raise "Update REPOSITORY_EXTENSION_MAP, missing: #{missing.join ", "}" unless
     missing.empty?
 
   ##

lib/rubygems/errors.rb

@@ -60,7 +60,7 @@ module Gem
 
     def build_message
       names = specs.map(&:full_name)
-      "Could not find '#{name}' (#{requirement}) - did find: [#{names.join ','}]\n"
+      "Could not find '#{name}' (#{requirement}) - did find: [#{names.join ","}]\n"
     end
   end
 

lib/rubygems/exceptions.rb

@@ -255,7 +255,7 @@ class Gem::UnsatisfiableDependencyError < Gem::DependencyError
   def initialize(dep, platform_mismatch=nil)
     if platform_mismatch && !platform_mismatch.empty?
       plats = platform_mismatch.map {|x| x.platform.to_s }.sort.uniq
-      super "Unable to resolve dependency: No match for '#{dep}' on this platform. Found: #{plats.join(', ')}"
+      super "Unable to resolve dependency: No match for '#{dep}' on this platform. Found: #{plats.join(", ")}"
     else
       if dep.explicit?
         super "Unable to resolve dependency: user requested '#{dep}'"

lib/rubygems/ext/builder.rb

@@ -189,7 +189,7 @@ EOF
     if @build_args.empty?
       say "Building native extensions. This could take a while..."
     else
-      say "Building native extensions with: '#{@build_args.join ' '}'"
+      say "Building native extensions with: '#{@build_args.join " "}'"
       say "This could take a while..."
     end
 

lib/rubygems/gemcutter_utilities.rb

@@ -211,7 +211,7 @@ module Gem::GemcutterUtilities
         say clean_text(response.body)
       end
     when Net::HTTPPermanentRedirect, Net::HTTPRedirection then
-      message = "The request has redirected permanently to #{response['location']}. Please check your defined push host URL."
+      message = "The request has redirected permanently to #{response["location"]}. Please check your defined push host URL."
       message = "#{error_prefix}: #{message}" if error_prefix
 
       say clean_text(message)

lib/rubygems/install_update_options.rb

@@ -141,7 +141,7 @@ module Gem::InstallUpdateOptions
       end unless v
 
       unless v
-        message = v ? v : "(tried #{Gem::GEM_DEP_FILES.join ', '})"
+        message = v ? v : "(tried #{Gem::GEM_DEP_FILES.join ", "})"
 
         raise Gem::OptionParser::InvalidArgument,
                 "cannot find gem dependencies file #{message}"

lib/rubygems/installer.rb

@@ -807,7 +807,7 @@ TEXT
     rb_topdir = RbConfig::TOPDIR || File.dirname(rb_config["bindir"])
 
     # get ruby executable file name from RbConfig
-    ruby_exe = "#{rb_config['RUBY_INSTALL_NAME']}#{rb_config['EXEEXT']}"
+    ruby_exe = "#{rb_config["RUBY_INSTALL_NAME"]}#{rb_config["EXEEXT"]}"
     ruby_exe = "ruby.exe" if ruby_exe.empty?
 
     if File.exist?(File.join bindir, ruby_exe)

lib/rubygems/package.rb

@@ -692,7 +692,7 @@ EOM
     end
 
     if (duplicates = @files.group_by {|f| f }.select {|_k,v| v.size > 1 }.map(&:first)) && duplicates.any?
-      raise Gem::Security::Exception, "duplicate files in the package: (#{duplicates.map(&:inspect).join(', ')})"
+      raise Gem::Security::Exception, "duplicate files in the package: (#{duplicates.map(&:inspect).join(", ")})"
     end
   end
 

lib/rubygems/query_utils.rb

@@ -263,7 +263,7 @@ module Gem::QueryUtils
         end
       end
 
-    entry << " (#{list.join ', '})"
+    entry << " (#{list.join ", "})"
   end
 
   def make_entry(entry_tuples, platforms)
@@ -282,7 +282,7 @@ module Gem::QueryUtils
   end
 
   def spec_authors(entry, spec)
-    authors = "Author#{spec.authors.length > 1 ? 's' : ''}: ".dup
+    authors = "Author#{spec.authors.length > 1 ? "s" : ""}: ".dup
     authors << spec.authors.join(", ")
     entry << format_text(authors, 68, 4)
   end
@@ -296,7 +296,7 @@ module Gem::QueryUtils
   def spec_license(entry, spec)
     return if spec.license.nil? || spec.license.empty?
 
-    licenses = "License#{spec.licenses.length > 1 ? 's' : ''}: ".dup
+    licenses = "License#{spec.licenses.length > 1 ? "s" : ""}: ".dup
     licenses << spec.licenses.join(", ")
     entry << "\n" << format_text(licenses, 68, 4)
   end
@@ -327,7 +327,7 @@ module Gem::QueryUtils
 
     if platforms.length == 1
       title = platforms.values.length == 1 ? "Platform" : "Platforms"
-      entry << "    #{title}: #{platforms.values.sort.join(', ')}\n"
+      entry << "    #{title}: #{platforms.values.sort.join(", ")}\n"
     else
       entry << "    Platforms:\n"
 

lib/rubygems/requirement.rb

@@ -163,7 +163,7 @@ class Gem::Requirement
       "#{op} #{version}"
     end.uniq
 
-    " (#{list.join ', '})"
+    " (#{list.join ", "})"
   end
 
   ##

lib/rubygems/security_option.rb

@@ -28,7 +28,7 @@ module Gem::SecurityOption
       policy = Gem::Security::Policies[value]
       unless policy
         valid = Gem::Security::Policies.keys.sort
-        raise Gem::OptionParser::InvalidArgument, "#{value} (#{valid.join ', '} are valid)"
+        raise Gem::OptionParser::InvalidArgument, "#{value} (#{valid.join ", "} are valid)"
       end
       policy
     end

lib/rubygems/specification.rb

@@ -2348,7 +2348,7 @@ class Gem::Specification < Gem::BasicSpecification
     when Array              then "[" + obj.map {|x| ruby_code x }.join(", ") + "]"
     when Hash               then
       seg = obj.keys.sort.map {|k| "#{k.to_s.dump} => #{obj[k].to_s.dump}" }
-      "{ #{seg.join(', ')} }"
+      "{ #{seg.join(", ")} }"
     when Gem::Version       then obj.to_s.dump
     when DateLike           then obj.strftime("%Y-%m-%d").dump
     when Time               then obj.strftime("%Y-%m-%d").dump

lib/rubygems/specification_policy.rb

@@ -213,7 +213,7 @@ duplicate dependency on #{dep}, (#{prev.requirement}) use:
           end
 
           "  if #{dep.name} is semantically versioned, use:\n" \
-          "    add_#{dep.type}_dependency '#{dep.name}', '~> #{base.join '.'}'#{bugfix}"
+          "    add_#{dep.type}_dependency '#{dep.name}', '~> #{base.join "."}'#{bugfix}"
         end
 
         warning_messages << ["open-ended dependency on #{dep} is not recommended", recommendation].join("\n") + "\n"
@@ -253,7 +253,7 @@ duplicate dependency on #{dep}, (#{prev.requirement}) use:
       @specification.instance_variable_get("@#{attrname}").nil?
     end
     return if nil_attributes.empty?
-    error "#{nil_attributes.join ', '} must not be nil"
+    error "#{nil_attributes.join ", "} must not be nil"
   end
 
   def validate_rubygems_version
@@ -374,7 +374,7 @@ duplicate dependency on #{dep}, (#{prev.requirement}) use:
 license value '#{license}' is invalid.  Use a license identifier from
 http://spdx.org/licenses or '#{Gem::Licenses::NONSTANDARD}' for a nonstandard license.
         WARNING
-        message += "Did you mean #{suggestions.map {|s| "'#{s}'" }.join(', ')}?\n" unless suggestions.nil?
+        message += "Did you mean #{suggestions.map {|s| "'#{s}'" }.join(", ")}?\n" unless suggestions.nil?
         warning(message)
       end
     end

lib/rubygems/uninstaller.rb

@@ -201,7 +201,7 @@ class Gem::Uninstaller
 
     remove = if @force_executables.nil?
       ask_yes_no("Remove executables:\n" +
-                 "\t#{executables.join ', '}\n\n" +
+                 "\t#{executables.join ", "}\n\n" +
                  "in addition to the gem?",
                  true)
     else

test/rubygems/helper.rb

@@ -334,7 +334,7 @@ class Gem::TestCase < Test::Unit::TestCase
       ruby
     end
 
-    @git = ENV["GIT"] || "git#{RbConfig::CONFIG['EXEEXT']}"
+    @git = ENV["GIT"] || "git#{RbConfig::CONFIG["EXEEXT"]}"
 
     Gem.ensure_gem_subdirectories @gemhome
     Gem.ensure_default_gem_subdirectories @gemhome
@@ -1256,7 +1256,7 @@ Also, a list:
     ruby = ENV["RUBY"]
     return ruby if ruby
     ruby = "ruby"
-    rubyexe = "#{ruby}#{RbConfig::CONFIG['EXEEXT']}"
+    rubyexe = "#{ruby}#{RbConfig::CONFIG["EXEEXT"]}"
 
     3.times do
       if File.exist?(ruby) && File.executable?(ruby) && !File.directory?(ruby)
@@ -1331,8 +1331,8 @@ Also, a list:
     end
   end
 
-  @@good_rake = "#{rubybin} #{escape_path(__dir__, 'good_rake.rb')}"
-  @@bad_rake = "#{rubybin} #{escape_path(__dir__, 'bad_rake.rb')}"
+  @@good_rake = "#{rubybin} #{escape_path(__dir__, "good_rake.rb")}"
+  @@bad_rake = "#{rubybin} #{escape_path(__dir__, "bad_rake.rb")}"
 
   ##
   # Construct a new Gem::Dependency.

test/rubygems/test_gem.rb

@@ -664,7 +664,7 @@ class TestGem < Gem::TestCase
     gemdir = File.join @tempdir, "a/b/c/gemdir"
     FileUtils.rm_rf File.join(@tempdir, "a") rescue nil
     refute File.exist?(File.join(@tempdir, "a")),
-           "manually remove #{File.join @tempdir, 'a'}, tests are broken"
+           "manually remove #{File.join @tempdir, "a"}, tests are broken"
     Gem.use_paths gemdir
 
     Gem.ensure_gem_subdirectories gemdir

test/rubygems/test_gem_commands_cert_command.rb

@@ -128,9 +128,9 @@ Added '/CN=alternate/DC=example'
                  output.shift
     assert_equal "Please repeat the passphrase for your Private Key:  ",
                  output.shift
-    assert_equal "Certificate: #{File.join @tempdir, 'gem-public_cert.pem'}",
+    assert_equal "Certificate: #{File.join @tempdir, "gem-public_cert.pem"}",
                  output.shift
-    assert_equal "Private Key: #{File.join @tempdir, 'gem-private_key.pem'}",
+    assert_equal "Private Key: #{File.join @tempdir, "gem-private_key.pem"}",
                  output.shift
 
     assert_equal "Don't forget to move the key file to somewhere private!",
@@ -160,9 +160,9 @@ Added '/CN=alternate/DC=example'
                  output.shift
     assert_equal "Please repeat the passphrase for your Private Key:  ",
                  output.shift
-    assert_equal "Certificate: #{File.join @tempdir, 'gem-public_cert.pem'}",
+    assert_equal "Certificate: #{File.join @tempdir, "gem-public_cert.pem"}",
                  output.shift
-    assert_equal "Private Key: #{File.join @tempdir, 'gem-private_key.pem'}",
+    assert_equal "Private Key: #{File.join @tempdir, "gem-private_key.pem"}",
                  output.shift
 
     assert_equal "Don't forget to move the key file to somewhere private!",
@@ -220,9 +220,9 @@ Added '/CN=alternate/DC=example'
                  output.shift
     assert_equal "Please repeat the passphrase for your Private Key:  ",
                  output.shift
-    assert_equal "Certificate: #{File.join @tempdir, 'gem-public_cert.pem'}",
+    assert_equal "Certificate: #{File.join @tempdir, "gem-public_cert.pem"}",
                  output.shift
-    assert_equal "Private Key: #{File.join @tempdir, 'gem-private_key.pem'}",
+    assert_equal "Private Key: #{File.join @tempdir, "gem-private_key.pem"}",
                  output.shift
 
     assert_equal "Don't forget to move the key file to somewhere private!",
@@ -283,7 +283,7 @@ Added '/CN=alternate/DC=example'
 
     output = @ui.output.split "\n"
 
-    assert_equal "Certificate: #{File.join @tempdir, 'gem-public_cert.pem'}",
+    assert_equal "Certificate: #{File.join @tempdir, "gem-public_cert.pem"}",
                  output.shift
 
     assert_empty output
@@ -305,7 +305,7 @@ Added '/CN=alternate/DC=example'
 
     output = @ui.output.split "\n"
 
-    assert_equal "Certificate: #{File.join @tempdir, 'gem-public_cert.pem'}",
+    assert_equal "Certificate: #{File.join @tempdir, "gem-public_cert.pem"}",
                  output.shift
 
     assert_empty output
@@ -326,7 +326,7 @@ Added '/CN=alternate/DC=example'
 
     output = @ui.output.split "\n"
 
-    assert_equal "Certificate: #{File.join @tempdir, 'gem-public_cert.pem'}",
+    assert_equal "Certificate: #{File.join @tempdir, "gem-public_cert.pem"}",
                  output.shift
 
     assert_empty output

test/rubygems/test_gem_commands_push_command.rb

@@ -105,7 +105,7 @@ class TestGemCommandsPushCommand < Gem::TestCase
     end
 
     @response = "Successfully registered gem: freewill (1.0.0)"
-    @fetcher.data["#{@spec.metadata['allowed_push_host']}/api/v1/gems"] = HTTPResponseFactory.create(body: @response, code: 200, msg: "OK")
+    @fetcher.data["#{@spec.metadata["allowed_push_host"]}/api/v1/gems"] = HTTPResponseFactory.create(body: @response, code: 200, msg: "OK")
     @fetcher.data["#{Gem.host}/api/v1/gems"] =
       ["fail", 500, "Internal Server Error"]
 

test/rubygems/test_gem_commands_signin_command.rb

@@ -210,7 +210,7 @@ class TestGemCommandsSigninCommand < Gem::TestCase
 
     # Set the expected response for the Web-API supplied
     ENV["RUBYGEMS_HOST"]       = host
-    data_key                   = "#{ENV['RUBYGEMS_HOST']}/api/v1/api_key"
+    data_key                   = "#{ENV["RUBYGEMS_HOST"]}/api/v1/api_key"
     fetcher.data[data_key]     = HTTPResponseFactory.create(body: api_key, code: 200, msg: "OK")
 
     use_ui key_name_ui do
@@ -241,9 +241,9 @@ class TestGemCommandsSigninCommand < Gem::TestCase
 
     # Set the expected response for the Web-API supplied
     ENV["RUBYGEMS_HOST"]       = host || Gem::DEFAULT_HOST
-    data_key                   = "#{ENV['RUBYGEMS_HOST']}/api/v1/api_key"
+    data_key                   = "#{ENV["RUBYGEMS_HOST"]}/api/v1/api_key"
     fetcher.data[data_key]     = response
-    profile                    = "#{ENV['RUBYGEMS_HOST']}/api/v1/profile/me.yaml"
+    profile                    = "#{ENV["RUBYGEMS_HOST"]}/api/v1/profile/me.yaml"
     fetcher.data[profile]      = profile_response
     Gem::RemoteFetcher.fetcher = fetcher
 

test/rubygems/test_gem_ext_cargo_builder.rb

@@ -36,7 +36,7 @@ class TestGemExtCargoBuilder < Gem::TestCase
     end
 
     output = output.join "\n"
-    bundle = File.join(@dest_path, "rust_ruby_example.#{RbConfig::CONFIG['DLEXT']}")
+    bundle = File.join(@dest_path, "rust_ruby_example.#{RbConfig::CONFIG["DLEXT"]}")
 
     assert_match(/Finished/, output)
     assert_match(/release/, output)
@@ -62,7 +62,7 @@ class TestGemExtCargoBuilder < Gem::TestCase
     end
 
     output = output.join "\n"
-    bundle = File.join(@dest_path, "rust_ruby_example.#{RbConfig::CONFIG['DLEXT']}")
+    bundle = File.join(@dest_path, "rust_ruby_example.#{RbConfig::CONFIG["DLEXT"]}")
 
     assert_ffi_handle bundle, "hello_from_rubygems"
     assert_ffi_handle bundle, "hello_from_rubygems_version"

test/rubygems/test_gem_installer.rb

@@ -1977,7 +1977,7 @@ gem 'other', version
 
     bin_env = get_bin_env
 
-    assert_equal("#!#{bin_env} #{RbConfig::CONFIG['ruby_install_name']}",
+    assert_equal("#!#{bin_env} #{RbConfig::CONFIG["ruby_install_name"]}",
                  shebang)
   end
 

test/rubygems/test_gem_package_tar_writer.rb

@@ -268,10 +268,10 @@ class TestGemPackageTarWriter < Gem::Package::TarTestCase
 
   def test_split_name
     assert_equal ["b" * 100, "a" * 155],
-                 @tar_writer.split_name("#{'a' * 155}/#{'b' * 100}")
+                 @tar_writer.split_name("#{"a" * 155}/#{"b" * 100}")
 
-    assert_equal ["#{'qwer/' * 19}bla", "a" * 151],
-                 @tar_writer.split_name("#{'a' * 151}/#{'qwer/' * 19}bla")
+    assert_equal ["#{"qwer/" * 19}bla", "a" * 151],
+                 @tar_writer.split_name("#{"a" * 151}/#{"qwer/" * 19}bla")
     names = [
       ([""] + ["123456789"] * 9 + ["1234567890"]).join("/"),  # 101 bytes (several pieces)
       (["123456789"] * 9 + ["1234567890"] + [""]).join("/"),  # 101 bytes (several pieces)

test/rubygems/test_gem_request.rb

@@ -208,7 +208,7 @@ class TestGemRequest < Gem::TestCase
     end
 
     auth_header = conn.payload["Authorization"]
-    assert_equal "Basic #{Base64.encode64('user:pass')}".strip, auth_header
+    assert_equal "Basic #{Base64.encode64("user:pass")}".strip, auth_header
     assert_includes @ui.output, "GET https://user:REDACTED@example.rubygems/specs.#{Gem.marshal_version}"
   end
 
@@ -225,7 +225,7 @@ class TestGemRequest < Gem::TestCase
     end
 
     auth_header = conn.payload["Authorization"]
-    assert_equal "Basic #{Base64.encode64('user:{DEScede}pass')}".strip, auth_header
+    assert_equal "Basic #{Base64.encode64("user:{DEScede}pass")}".strip, auth_header
     assert_includes @ui.output, "GET https://user:REDACTED@example.rubygems/specs.#{Gem.marshal_version}"
   end
 
@@ -242,7 +242,7 @@ class TestGemRequest < Gem::TestCase
     end
 
     auth_header = conn.payload["Authorization"]
-    assert_equal "Basic #{Base64.encode64('{DEScede}pass:x-oauth-basic')}".strip, auth_header
+    assert_equal "Basic #{Base64.encode64("{DEScede}pass:x-oauth-basic")}".strip, auth_header
     assert_includes @ui.output, "GET https://REDACTED:x-oauth-basic@example.rubygems/specs.#{Gem.marshal_version}"
   end