Enforce frozen string in Rubocop

86 files changed, 86 insertions, 0 deletions

diff --git a/actionview/test/abstract_unit.rb b/actionview/test/abstract_unit.rb
index a7d706c5e1..da554b830c 100644
--- a/actionview/test/abstract_unit.rb
+++ b/actionview/test/abstract_unit.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 $:.unshift File.expand_path("lib", __dir__)
 $:.unshift File.expand_path("fixtures/helpers", __dir__)
 $:.unshift File.expand_path("fixtures/alternate_helpers", __dir__)
diff --git a/actionview/test/actionpack/abstract/abstract_controller_test.rb b/actionview/test/actionpack/abstract/abstract_controller_test.rb
index 8f65a61493..7714f97605 100644
--- a/actionview/test/actionpack/abstract/abstract_controller_test.rb
+++ b/actionview/test/actionpack/abstract/abstract_controller_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "set"
 
diff --git a/actionview/test/actionpack/abstract/helper_test.rb b/actionview/test/actionpack/abstract/helper_test.rb
index 13922e4485..e3a1614057 100644
--- a/actionview/test/actionpack/abstract/helper_test.rb
+++ b/actionview/test/actionpack/abstract/helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 ActionController::Base.helpers_path = File.expand_path("../../fixtures/helpers", __dir__)
diff --git a/actionview/test/actionpack/abstract/layouts_test.rb b/actionview/test/actionpack/abstract/layouts_test.rb
index 4ece992597..e733dc43af 100644
--- a/actionview/test/actionpack/abstract/layouts_test.rb
+++ b/actionview/test/actionpack/abstract/layouts_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 module AbstractControllerTests
diff --git a/actionview/test/actionpack/abstract/render_test.rb b/actionview/test/actionpack/abstract/render_test.rb
index 8b0c54fb77..017e9ed2ff 100644
--- a/actionview/test/actionpack/abstract/render_test.rb
+++ b/actionview/test/actionpack/abstract/render_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 module AbstractController
diff --git a/actionview/test/actionpack/controller/capture_test.rb b/actionview/test/actionpack/controller/capture_test.rb
index cc3a23c60c..19167333ae 100644
--- a/actionview/test/actionpack/controller/capture_test.rb
+++ b/actionview/test/actionpack/controller/capture_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "active_support/logger"
 
diff --git a/actionview/test/actionpack/controller/layout_test.rb b/actionview/test/actionpack/controller/layout_test.rb
index b3e0329f57..8af6539056 100644
--- a/actionview/test/actionpack/controller/layout_test.rb
+++ b/actionview/test/actionpack/controller/layout_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "active_support/core_ext/array/extract_options"
 
diff --git a/actionview/test/actionpack/controller/render_test.rb b/actionview/test/actionpack/controller/render_test.rb
index 6528169312..c7990f8d96 100644
--- a/actionview/test/actionpack/controller/render_test.rb
+++ b/actionview/test/actionpack/controller/render_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "active_model"
 require "controller/fake_models"
diff --git a/actionview/test/actionpack/controller/view_paths_test.rb b/actionview/test/actionpack/controller/view_paths_test.rb
index 4c58b959a9..a0e9842dbf 100644
--- a/actionview/test/actionpack/controller/view_paths_test.rb
+++ b/actionview/test/actionpack/controller/view_paths_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class ViewLoadPathsTest < ActionController::TestCase
diff --git a/actionview/test/active_record_unit.rb b/actionview/test/active_record_unit.rb
index 901c0e2b3e..23d5d9814f 100644
--- a/actionview/test/active_record_unit.rb
+++ b/actionview/test/active_record_unit.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 # Define the essentials
diff --git a/actionview/test/activerecord/controller_runtime_test.rb b/actionview/test/activerecord/controller_runtime_test.rb
index 1cec5072c0..176d9e6d8c 100644
--- a/actionview/test/activerecord/controller_runtime_test.rb
+++ b/actionview/test/activerecord/controller_runtime_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_record_unit"
 require "active_record/railties/controller_runtime"
 require "fixtures/project"
diff --git a/actionview/test/activerecord/debug_helper_test.rb b/actionview/test/activerecord/debug_helper_test.rb
index 06ae555a03..6ada7a3e42 100644
--- a/actionview/test/activerecord/debug_helper_test.rb
+++ b/actionview/test/activerecord/debug_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_record_unit"
 require "nokogiri"
 
diff --git a/actionview/test/activerecord/form_helper_activerecord_test.rb b/actionview/test/activerecord/form_helper_activerecord_test.rb
index 3b314588c7..291568c672 100644
--- a/actionview/test/activerecord/form_helper_activerecord_test.rb
+++ b/actionview/test/activerecord/form_helper_activerecord_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_record_unit"
 require "fixtures/project"
 require "fixtures/developer"
diff --git a/actionview/test/activerecord/polymorphic_routes_test.rb b/actionview/test/activerecord/polymorphic_routes_test.rb
index b2e0fb08c4..2fd538fee0 100644
--- a/actionview/test/activerecord/polymorphic_routes_test.rb
+++ b/actionview/test/activerecord/polymorphic_routes_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_record_unit"
 require "fixtures/project"
 
diff --git a/actionview/test/activerecord/relation_cache_test.rb b/actionview/test/activerecord/relation_cache_test.rb
index d12c426586..a6d8f2d278 100644
--- a/actionview/test/activerecord/relation_cache_test.rb
+++ b/actionview/test/activerecord/relation_cache_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_record_unit"
 
 class RelationCacheTest < ActionView::TestCase
diff --git a/actionview/test/activerecord/render_partial_with_record_identification_test.rb b/actionview/test/activerecord/render_partial_with_record_identification_test.rb
index 60c3ab3045..88e72599d4 100644
--- a/actionview/test/activerecord/render_partial_with_record_identification_test.rb
+++ b/actionview/test/activerecord/render_partial_with_record_identification_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_record_unit"
 
 class RenderPartialWithRecordIdentificationController < ActionController::Base
diff --git a/actionview/test/fixtures/actionpack/layouts/builder.builder b/actionview/test/fixtures/actionpack/layouts/builder.builder
index c55488edd0..0f34d03a4c 100644
--- a/actionview/test/fixtures/actionpack/layouts/builder.builder
+++ b/actionview/test/fixtures/actionpack/layouts/builder.builder
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 xml.wrapper do
   xml << yield
 end
diff --git a/actionview/test/fixtures/actionpack/test/_hello.builder b/actionview/test/fixtures/actionpack/test/_hello.builder
index fc72df16d0..a767060f3c 100644
--- a/actionview/test/fixtures/actionpack/test/_hello.builder
+++ b/actionview/test/fixtures/actionpack/test/_hello.builder
@@ -1 +1,2 @@
+# frozen_string_literal: true
 xm.hello
diff --git a/actionview/test/fixtures/actionpack/test/formatted_xml_erb.builder b/actionview/test/fixtures/actionpack/test/formatted_xml_erb.builder
index f98aaa34a5..568a2ddefe 100644
--- a/actionview/test/fixtures/actionpack/test/formatted_xml_erb.builder
+++ b/actionview/test/fixtures/actionpack/test/formatted_xml_erb.builder
@@ -1 +1,2 @@
+# frozen_string_literal: true
 xml.test "failed"
diff --git a/actionview/test/fixtures/actionpack/test/hello.builder b/actionview/test/fixtures/actionpack/test/hello.builder
index b8ab17ad5b..205ad8722f 100644
--- a/actionview/test/fixtures/actionpack/test/hello.builder
+++ b/actionview/test/fixtures/actionpack/test/hello.builder
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 xml.html do
   xml.p "Hello #{@name}"
   xml << render(file: "test/greeting")
diff --git a/actionview/test/fixtures/actionpack/test/hello_world_container.builder b/actionview/test/fixtures/actionpack/test/hello_world_container.builder
index 24032ab5e0..f0291694ee 100644
--- a/actionview/test/fixtures/actionpack/test/hello_world_container.builder
+++ b/actionview/test/fixtures/actionpack/test/hello_world_container.builder
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 xml.test do
   render partial: "hello", locals: { xm: xml }
 end
diff --git a/actionview/test/fixtures/actionpack/test/hello_world_from_rxml.builder b/actionview/test/fixtures/actionpack/test/hello_world_from_rxml.builder
index 619a97ba96..2a87fd1a3d 100644
--- a/actionview/test/fixtures/actionpack/test/hello_world_from_rxml.builder
+++ b/actionview/test/fixtures/actionpack/test/hello_world_from_rxml.builder
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 xml.html do
   xml.p "Hello"
 end
diff --git a/actionview/test/fixtures/actionpack/test/hello_xml_world.builder b/actionview/test/fixtures/actionpack/test/hello_xml_world.builder
index d16bb6b5cb..c496fb4160 100644
--- a/actionview/test/fixtures/actionpack/test/hello_xml_world.builder
+++ b/actionview/test/fixtures/actionpack/test/hello_xml_world.builder
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 xml.html do
   xml.head do
     xml.title "Hello World"
diff --git a/actionview/test/fixtures/actionpack/test/implicit_content_type.atom.builder b/actionview/test/fixtures/actionpack/test/implicit_content_type.atom.builder
index 2fcb32d247..bcb3c79f0b 100644
--- a/actionview/test/fixtures/actionpack/test/implicit_content_type.atom.builder
+++ b/actionview/test/fixtures/actionpack/test/implicit_content_type.atom.builder
@@ -1,2 +1,3 @@
+# frozen_string_literal: true
 xml.atom do
 end
diff --git a/actionview/test/fixtures/actionpack/test/non_erb_block_content_for.builder b/actionview/test/fixtures/actionpack/test/non_erb_block_content_for.builder
index cd65da751b..4db7d66d90 100644
--- a/actionview/test/fixtures/actionpack/test/non_erb_block_content_for.builder
+++ b/actionview/test/fixtures/actionpack/test/non_erb_block_content_for.builder
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 content_for :title do
   "Putting stuff in the title!"
 end
diff --git a/actionview/test/fixtures/comments/empty.html.builder b/actionview/test/fixtures/comments/empty.html.builder
index 12d6fdd9a5..ecc1078747 100644
--- a/actionview/test/fixtures/comments/empty.html.builder
+++ b/actionview/test/fixtures/comments/empty.html.builder
@@ -1 +1,2 @@
+# frozen_string_literal: true
 xml.h1 "No Comment"
diff --git a/actionview/test/fixtures/company.rb b/actionview/test/fixtures/company.rb
index 9f527acdd8..18a197947a 100644
--- a/actionview/test/fixtures/company.rb
+++ b/actionview/test/fixtures/company.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Company < ActiveRecord::Base
   has_one :mascot
   self.sequence_name = :companies_nonstd_seq
diff --git a/actionview/test/fixtures/developer.rb b/actionview/test/fixtures/developer.rb
index 1a686a33ce..59f5f17efe 100644
--- a/actionview/test/fixtures/developer.rb
+++ b/actionview/test/fixtures/developer.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Developer < ActiveRecord::Base
   has_and_belongs_to_many :projects
   has_many :replies
diff --git a/actionview/test/fixtures/helpers/abc_helper.rb b/actionview/test/fixtures/helpers/abc_helper.rb
index cf2774bb5f..a743c7ee9a 100644
--- a/actionview/test/fixtures/helpers/abc_helper.rb
+++ b/actionview/test/fixtures/helpers/abc_helper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module AbcHelper
   def bare_a() end
 end
diff --git a/actionview/test/fixtures/helpers/helpery_test_helper.rb b/actionview/test/fixtures/helpers/helpery_test_helper.rb
index a4f2951efa..af67fe1c5c 100644
--- a/actionview/test/fixtures/helpers/helpery_test_helper.rb
+++ b/actionview/test/fixtures/helpers/helpery_test_helper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module HelperyTestHelper
   def helpery_test
     "Default"
diff --git a/actionview/test/fixtures/helpers_missing/invalid_require_helper.rb b/actionview/test/fixtures/helpers_missing/invalid_require_helper.rb
index 6ac6677daa..d1d66a7161 100644
--- a/actionview/test/fixtures/helpers_missing/invalid_require_helper.rb
+++ b/actionview/test/fixtures/helpers_missing/invalid_require_helper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "very_invalid_file_name"
 
 module InvalidRequireHelper
diff --git a/actionview/test/fixtures/mascot.rb b/actionview/test/fixtures/mascot.rb
index 1c0bd7c8fd..212303b838 100644
--- a/actionview/test/fixtures/mascot.rb
+++ b/actionview/test/fixtures/mascot.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Mascot < ActiveRecord::Base
   belongs_to :company
 end
diff --git a/actionview/test/fixtures/project.rb b/actionview/test/fixtures/project.rb
index 404b12cbab..a9e4bb44d6 100644
--- a/actionview/test/fixtures/project.rb
+++ b/actionview/test/fixtures/project.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Project < ActiveRecord::Base
   has_and_belongs_to_many :developers, -> { uniq }
 
diff --git a/actionview/test/fixtures/reply.rb b/actionview/test/fixtures/reply.rb
index 047522c55b..e9a7828d2d 100644
--- a/actionview/test/fixtures/reply.rb
+++ b/actionview/test/fixtures/reply.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Reply < ActiveRecord::Base
   scope :base, -> { all }
   belongs_to :topic, -> { includes(:replies) }
diff --git a/actionview/test/fixtures/ruby_template.ruby b/actionview/test/fixtures/ruby_template.ruby
index 5097bce47c..cae21339f5 100644
--- a/actionview/test/fixtures/ruby_template.ruby
+++ b/actionview/test/fixtures/ruby_template.ruby
@@ -1,2 +1,3 @@
+# frozen_string_literal: true
 body = ""
 body << ["Hello", "from", "Ruby", "code"].join(" ")
diff --git a/actionview/test/fixtures/test/hello.builder b/actionview/test/fixtures/test/hello.builder
index b8ab17ad5b..205ad8722f 100644
--- a/actionview/test/fixtures/test/hello.builder
+++ b/actionview/test/fixtures/test/hello.builder
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 xml.html do
   xml.p "Hello #{@name}"
   xml << render(file: "test/greeting")
diff --git a/actionview/test/fixtures/topic.rb b/actionview/test/fixtures/topic.rb
index 48a3dfba88..7e66f53bd5 100644
--- a/actionview/test/fixtures/topic.rb
+++ b/actionview/test/fixtures/topic.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Topic < ActiveRecord::Base
   has_many :replies, dependent: :destroy
 end
diff --git a/actionview/test/lib/controller/fake_models.rb b/actionview/test/lib/controller/fake_models.rb
index 5250101220..c419984997 100644
--- a/actionview/test/lib/controller/fake_models.rb
+++ b/actionview/test/lib/controller/fake_models.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_model"
 
 Customer = Struct.new(:name, :id) do
diff --git a/actionview/test/template/active_model_helper_test.rb b/actionview/test/template/active_model_helper_test.rb
index 6b63aa25a5..030c36b1b2 100644
--- a/actionview/test/template/active_model_helper_test.rb
+++ b/actionview/test/template/active_model_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class ActiveModelHelperTest < ActionView::TestCase
diff --git a/actionview/test/template/asset_tag_helper_test.rb b/actionview/test/template/asset_tag_helper_test.rb
index 6093a4e660..5bdcbda72e 100644
--- a/actionview/test/template/asset_tag_helper_test.rb
+++ b/actionview/test/template/asset_tag_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "active_support/ordered_options"
 
diff --git a/actionview/test/template/atom_feed_helper_test.rb b/actionview/test/template/atom_feed_helper_test.rb
index 7304b769a4..4a1188922c 100644
--- a/actionview/test/template/atom_feed_helper_test.rb
+++ b/actionview/test/template/atom_feed_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 Scroll = Struct.new(:id, :to_param, :title, :body, :updated_at, :created_at) do
diff --git a/actionview/test/template/capture_helper_test.rb b/actionview/test/template/capture_helper_test.rb
index 7f37523eeb..657fda405e 100644
--- a/actionview/test/template/capture_helper_test.rb
+++ b/actionview/test/template/capture_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class CaptureHelperTest < ActionView::TestCase
diff --git a/actionview/test/template/compiled_templates_test.rb b/actionview/test/template/compiled_templates_test.rb
index adb2be9be4..5135b1e90b 100644
--- a/actionview/test/template/compiled_templates_test.rb
+++ b/actionview/test/template/compiled_templates_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class CompiledTemplatesTest < ActiveSupport::TestCase
diff --git a/actionview/test/template/controller_helper_test.rb b/actionview/test/template/controller_helper_test.rb
index 8dd0cedb75..1b6f1b95c2 100644
--- a/actionview/test/template/controller_helper_test.rb
+++ b/actionview/test/template/controller_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class ControllerHelperTest < ActionView::TestCase
diff --git a/actionview/test/template/date_helper_i18n_test.rb b/actionview/test/template/date_helper_i18n_test.rb
index 207c8a683e..eee4340958 100644
--- a/actionview/test/template/date_helper_i18n_test.rb
+++ b/actionview/test/template/date_helper_i18n_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class DateHelperDistanceOfTimeInWordsI18nTests < ActiveSupport::TestCase
diff --git a/actionview/test/template/date_helper_test.rb b/actionview/test/template/date_helper_test.rb
index b667303318..72573917fa 100644
--- a/actionview/test/template/date_helper_test.rb
+++ b/actionview/test/template/date_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class DateHelperTest < ActionView::TestCase
diff --git a/actionview/test/template/dependency_tracker_test.rb b/actionview/test/template/dependency_tracker_test.rb
index 89917035ff..f3c1ab4fbf 100644
--- a/actionview/test/template/dependency_tracker_test.rb
+++ b/actionview/test/template/dependency_tracker_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "action_view/dependency_tracker"
 
diff --git a/actionview/test/template/digestor_test.rb b/actionview/test/template/digestor_test.rb
index de04f3f25d..b8cae0ab66 100644
--- a/actionview/test/template/digestor_test.rb
+++ b/actionview/test/template/digestor_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "fileutils"
 require "action_view/dependency_tracker"
diff --git a/actionview/test/template/erb/deprecated_erubis_implementation_test.rb b/actionview/test/template/erb/deprecated_erubis_implementation_test.rb
index aaf99f85c0..511dbf8008 100644
--- a/actionview/test/template/erb/deprecated_erubis_implementation_test.rb
+++ b/actionview/test/template/erb/deprecated_erubis_implementation_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 module ERBTest
diff --git a/actionview/test/template/erb/form_for_test.rb b/actionview/test/template/erb/form_for_test.rb
index e722b40a9a..e251083fc8 100644
--- a/actionview/test/template/erb/form_for_test.rb
+++ b/actionview/test/template/erb/form_for_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "template/erb/helper"
 
diff --git a/actionview/test/template/erb/helper.rb b/actionview/test/template/erb/helper.rb
index bc1eedc15f..78fc0d4290 100644
--- a/actionview/test/template/erb/helper.rb
+++ b/actionview/test/template/erb/helper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ERBTest
   class ViewContext
     include ActionView::Helpers::UrlHelper
diff --git a/actionview/test/template/erb/tag_helper_test.rb b/actionview/test/template/erb/tag_helper_test.rb
index 233f37c48a..65ded0aaf5 100644
--- a/actionview/test/template/erb/tag_helper_test.rb
+++ b/actionview/test/template/erb/tag_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "template/erb/helper"
 
diff --git a/actionview/test/template/erb_util_test.rb b/actionview/test/template/erb_util_test.rb
index 4412ea37fa..69d092b6c6 100644
--- a/actionview/test/template/erb_util_test.rb
+++ b/actionview/test/template/erb_util_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "active_support/json"
 
diff --git a/actionview/test/template/form_collections_helper_test.rb b/actionview/test/template/form_collections_helper_test.rb
index 6160524eb3..ddc2619e7a 100644
--- a/actionview/test/template/form_collections_helper_test.rb
+++ b/actionview/test/template/form_collections_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 Category = Struct.new(:id, :name)
diff --git a/actionview/test/template/form_helper/form_with_test.rb b/actionview/test/template/form_helper/form_with_test.rb
index ecdd5ce672..d62edf5dd9 100644
--- a/actionview/test/template/form_helper/form_with_test.rb
+++ b/actionview/test/template/form_helper/form_with_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "controller/fake_models"
 
diff --git a/actionview/test/template/form_helper_test.rb b/actionview/test/template/form_helper_test.rb
index b3a180b28a..8c06a6260f 100644
--- a/actionview/test/template/form_helper_test.rb
+++ b/actionview/test/template/form_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "controller/fake_models"
 
diff --git a/actionview/test/template/form_options_helper_i18n_test.rb b/actionview/test/template/form_options_helper_i18n_test.rb
index a1048fbb89..e23bd94307 100644
--- a/actionview/test/template/form_options_helper_i18n_test.rb
+++ b/actionview/test/template/form_options_helper_i18n_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class FormOptionsHelperI18nTests < ActionView::TestCase
diff --git a/actionview/test/template/form_options_helper_test.rb b/actionview/test/template/form_options_helper_test.rb
index 3247f20ba7..faeb84faef 100644
--- a/actionview/test/template/form_options_helper_test.rb
+++ b/actionview/test/template/form_options_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class Map < Hash
diff --git a/actionview/test/template/form_tag_helper_test.rb b/actionview/test/template/form_tag_helper_test.rb
index 084c540139..bbcb523771 100644
--- a/actionview/test/template/form_tag_helper_test.rb
+++ b/actionview/test/template/form_tag_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class FormTagHelperTest < ActionView::TestCase
diff --git a/actionview/test/template/html_test.rb b/actionview/test/template/html_test.rb
index 60f4b0aee6..17560287bc 100644
--- a/actionview/test/template/html_test.rb
+++ b/actionview/test/template/html_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class HTMLTest < ActiveSupport::TestCase
diff --git a/actionview/test/template/javascript_helper_test.rb b/actionview/test/template/javascript_helper_test.rb
index c7670b056b..fef2625114 100644
--- a/actionview/test/template/javascript_helper_test.rb
+++ b/actionview/test/template/javascript_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class JavaScriptHelperTest < ActionView::TestCase
diff --git a/actionview/test/template/log_subscriber_test.rb b/actionview/test/template/log_subscriber_test.rb
index 4c9f84f277..765f644bb4 100644
--- a/actionview/test/template/log_subscriber_test.rb
+++ b/actionview/test/template/log_subscriber_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "active_support/log_subscriber/test_helper"
 require "action_view/log_subscriber"
diff --git a/actionview/test/template/lookup_context_test.rb b/actionview/test/template/lookup_context_test.rb
index b47d92df34..b55f68e36b 100644
--- a/actionview/test/template/lookup_context_test.rb
+++ b/actionview/test/template/lookup_context_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "abstract_controller/rendering"
 
diff --git a/actionview/test/template/number_helper_test.rb b/actionview/test/template/number_helper_test.rb
index 678120a9c9..9077dbb0c8 100644
--- a/actionview/test/template/number_helper_test.rb
+++ b/actionview/test/template/number_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class NumberHelperTest < ActionView::TestCase
diff --git a/actionview/test/template/output_safety_helper_test.rb b/actionview/test/template/output_safety_helper_test.rb
index 537b4393ee..3b4b83110c 100644
--- a/actionview/test/template/output_safety_helper_test.rb
+++ b/actionview/test/template/output_safety_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class OutputSafetyHelperTest < ActionView::TestCase
diff --git a/actionview/test/template/partial_iteration_test.rb b/actionview/test/template/partial_iteration_test.rb
index 3ebf3b550a..3a31134e5b 100644
--- a/actionview/test/template/partial_iteration_test.rb
+++ b/actionview/test/template/partial_iteration_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "action_view/renderer/partial_renderer"
 
diff --git a/actionview/test/template/record_identifier_test.rb b/actionview/test/template/record_identifier_test.rb
index ce446715fd..529de9a57b 100644
--- a/actionview/test/template/record_identifier_test.rb
+++ b/actionview/test/template/record_identifier_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "controller/fake_models"
 
diff --git a/actionview/test/template/record_tag_helper_test.rb b/actionview/test/template/record_tag_helper_test.rb
index 3685230558..ab110d8314 100644
--- a/actionview/test/template/record_tag_helper_test.rb
+++ b/actionview/test/template/record_tag_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class RecordTagPost
diff --git a/actionview/test/template/render_test.rb b/actionview/test/template/render_test.rb
index 9999607067..3f7e671faf 100644
--- a/actionview/test/template/render_test.rb
+++ b/actionview/test/template/render_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "controller/fake_models"
 
diff --git a/actionview/test/template/resolver_cache_test.rb b/actionview/test/template/resolver_cache_test.rb
index 0ecfccd375..b881618a1d 100644
--- a/actionview/test/template/resolver_cache_test.rb
+++ b/actionview/test/template/resolver_cache_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class ResolverCacheTest < ActiveSupport::TestCase
diff --git a/actionview/test/template/resolver_patterns_test.rb b/actionview/test/template/resolver_patterns_test.rb
index 8e21f4b828..f5a28be400 100644
--- a/actionview/test/template/resolver_patterns_test.rb
+++ b/actionview/test/template/resolver_patterns_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class ResolverPatternsTest < ActiveSupport::TestCase
diff --git a/actionview/test/template/sanitize_helper_test.rb b/actionview/test/template/sanitize_helper_test.rb
index 4d4ed3c35c..8ca8cb6d17 100644
--- a/actionview/test/template/sanitize_helper_test.rb
+++ b/actionview/test/template/sanitize_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 # The exhaustive tests are in the rails-html-sanitizer gem.
diff --git a/actionview/test/template/streaming_render_test.rb b/actionview/test/template/streaming_render_test.rb
index 6ce66a1275..098c2e7551 100644
--- a/actionview/test/template/streaming_render_test.rb
+++ b/actionview/test/template/streaming_render_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class TestController < ActionController::Base
diff --git a/actionview/test/template/tag_helper_test.rb b/actionview/test/template/tag_helper_test.rb
index f1e5946e14..d338ff9d3f 100644
--- a/actionview/test/template/tag_helper_test.rb
+++ b/actionview/test/template/tag_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class TagHelperTest < ActionView::TestCase
diff --git a/actionview/test/template/template_error_test.rb b/actionview/test/template/template_error_test.rb
index 54c1d53b60..a5201edfcf 100644
--- a/actionview/test/template/template_error_test.rb
+++ b/actionview/test/template/template_error_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class TemplateErrorTest < ActiveSupport::TestCase
diff --git a/actionview/test/template/template_test.rb b/actionview/test/template/template_test.rb
index 9d31a98703..0420b2df1d 100644
--- a/actionview/test/template/template_test.rb
+++ b/actionview/test/template/template_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 # encoding: US-ASCII
 require "abstract_unit"
 require "logger"
diff --git a/actionview/test/template/test_case_test.rb b/actionview/test/template/test_case_test.rb
index 3deddd5706..4a8324b235 100644
--- a/actionview/test/template/test_case_test.rb
+++ b/actionview/test/template/test_case_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 require "rails/engine"
 
diff --git a/actionview/test/template/test_test.rb b/actionview/test/template/test_test.rb
index 52cac77bc5..ecc7a9a5a1 100644
--- a/actionview/test/template/test_test.rb
+++ b/actionview/test/template/test_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 module PeopleHelper
diff --git a/actionview/test/template/testing/fixture_resolver_test.rb b/actionview/test/template/testing/fixture_resolver_test.rb
index effe453fc0..45b4e1b309 100644
--- a/actionview/test/template/testing/fixture_resolver_test.rb
+++ b/actionview/test/template/testing/fixture_resolver_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class FixtureResolverTest < ActiveSupport::TestCase
diff --git a/actionview/test/template/testing/null_resolver_test.rb b/actionview/test/template/testing/null_resolver_test.rb
index 5346fd3368..cc7a732d21 100644
--- a/actionview/test/template/testing/null_resolver_test.rb
+++ b/actionview/test/template/testing/null_resolver_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class NullResolverTest < ActiveSupport::TestCase
diff --git a/actionview/test/template/text_helper_test.rb b/actionview/test/template/text_helper_test.rb
index 251c98230f..52f20b631b 100644
--- a/actionview/test/template/text_helper_test.rb
+++ b/actionview/test/template/text_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class TextHelperTest < ActionView::TestCase
diff --git a/actionview/test/template/text_test.rb b/actionview/test/template/text_test.rb
index 72ffd5f3be..4eb571eaa7 100644
--- a/actionview/test/template/text_test.rb
+++ b/actionview/test/template/text_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class TextTest < ActiveSupport::TestCase
diff --git a/actionview/test/template/translation_helper_test.rb b/actionview/test/template/translation_helper_test.rb
index 1cfc13f337..f43e8b9a80 100644
--- a/actionview/test/template/translation_helper_test.rb
+++ b/actionview/test/template/translation_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 module I18n
diff --git a/actionview/test/template/url_helper_test.rb b/actionview/test/template/url_helper_test.rb
index bdedbeba92..c5790d29b3 100644
--- a/actionview/test/template/url_helper_test.rb
+++ b/actionview/test/template/url_helper_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "abstract_unit"
 
 class UrlHelperTest < ActiveSupport::TestCase
diff --git a/actionview/test/ujs/config.ru b/actionview/test/ujs/config.ru
index 213a41127a..87f37efe8b 100644
--- a/actionview/test/ujs/config.ru
+++ b/actionview/test/ujs/config.ru
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 $LOAD_PATH.unshift __dir__
 require "server"
 
diff --git a/actionview/test/ujs/server.rb b/actionview/test/ujs/server.rb
index 7deb208af0..b31c6b896a 100644
--- a/actionview/test/ujs/server.rb
+++ b/actionview/test/ujs/server.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "rack"
 require "rails"
 require "action_controller/railtie"