From 1c99b72ecf78a1f8b2e6ccef162f69c466eabd10 Mon Sep 17 00:00:00 2001
From: Wanderson Policarpo <wpolicarpo@gmail.com>
Date: Wed, 13 May 2020 23:05:49 +0100
Subject: [PATCH] Enable frozen strings for tests

---
 CHANGELOG.md                                                    | 1 +
 test/cases/adapter_test_sqlserver.rb                            | 2 ++
 test/cases/change_column_null_test_sqlserver.rb                 | 2 ++
 test/cases/coerced_tests.rb                                     | 2 ++
 test/cases/column_test_sqlserver.rb                             | 2 ++
 test/cases/connection_test_sqlserver.rb                         | 2 ++
 test/cases/execute_procedure_test_sqlserver.rb                  | 2 ++
 test/cases/fetch_test_sqlserver.rb                              | 2 ++
 test/cases/fully_qualified_identifier_test_sqlserver.rb         | 2 ++
 test/cases/helper_sqlserver.rb                                  | 2 ++
 test/cases/in_clause_test_sqlserver.rb                          | 2 ++
 test/cases/index_test_sqlserver.rb                              | 2 ++
 test/cases/json_test_sqlserver.rb                               | 2 ++
 test/cases/migration_test_sqlserver.rb                          | 2 ++
 test/cases/order_test_sqlserver.rb                              | 2 ++
 test/cases/pessimistic_locking_test_sqlserver.rb                | 2 ++
 test/cases/rake_test_sqlserver.rb                               | 2 ++
 test/cases/schema_dumper_test_sqlserver.rb                      | 2 ++
 test/cases/schema_test_sqlserver.rb                             | 2 ++
 test/cases/scratchpad_test_sqlserver.rb                         | 2 ++
 test/cases/showplan_test_sqlserver.rb                           | 2 ++
 test/cases/specific_schema_test_sqlserver.rb                    | 2 ++
 test/cases/transaction_test_sqlserver.rb                        | 2 ++
 test/cases/trigger_test_sqlserver.rb                            | 2 ++
 test/cases/utils_test_sqlserver.rb                              | 2 ++
 test/cases/uuid_test_sqlserver.rb                               | 2 ++
 test/debug.rb                                                   | 2 ++
 test/migrations/create_clients_and_change_column_null.rb        | 2 ++
 .../transaction_table/1_table_will_never_be_created.rb          | 2 ++
 test/models/sqlserver/booking.rb                                | 2 ++
 test/models/sqlserver/customers_view.rb                         | 2 ++
 test/models/sqlserver/datatype.rb                               | 2 ++
 test/models/sqlserver/datatype_migration.rb                     | 2 ++
 test/models/sqlserver/dollar_table_name.rb                      | 2 ++
 test/models/sqlserver/edge_schema.rb                            | 2 ++
 test/models/sqlserver/fk_has_fk.rb                              | 2 ++
 test/models/sqlserver/fk_has_pk.rb                              | 2 ++
 test/models/sqlserver/natural_pk_data.rb                        | 2 ++
 test/models/sqlserver/natural_pk_int_data.rb                    | 2 ++
 test/models/sqlserver/no_pk_data.rb                             | 2 ++
 test/models/sqlserver/object_default.rb                         | 2 ++
 test/models/sqlserver/quoted_table.rb                           | 2 ++
 test/models/sqlserver/quoted_view_1.rb                          | 2 ++
 test/models/sqlserver/quoted_view_2.rb                          | 2 ++
 test/models/sqlserver/sst_memory.rb                             | 2 ++
 test/models/sqlserver/string_default.rb                         | 2 ++
 test/models/sqlserver/string_defaults_big_view.rb               | 2 ++
 test/models/sqlserver/string_defaults_view.rb                   | 2 ++
 test/models/sqlserver/tinyint_pk.rb                             | 2 ++
 test/models/sqlserver/trigger.rb                                | 2 ++
 test/models/sqlserver/trigger_history.rb                        | 2 ++
 test/models/sqlserver/upper.rb                                  | 2 ++
 test/models/sqlserver/uppered.rb                                | 2 ++
 test/models/sqlserver/uuid.rb                                   | 2 ++
 test/schema/sqlserver_specific_schema.rb                        | 2 ++
 test/support/coerceable_test_sqlserver.rb                       | 2 ++
 test/support/connection_reflection.rb                           | 2 ++
 test/support/core_ext/query_cache.rb                            | 2 ++
 test/support/load_schema_sqlserver.rb                           | 2 ++
 test/support/minitest_sqlserver.rb                              | 2 ++
 test/support/paths_sqlserver.rb                                 | 2 ++
 test/support/rake_helpers.rb                                    | 1 +
 test/support/sql_counter_sqlserver.rb                           | 2 ++
 test/support/test_in_memory_oltp.rb                             | 2 ++
 64 files changed, 126 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index de3d6b673..423cb971a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
 
 - [#763](https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/pull/763) Refactor columns introspection query to make it faster
 - [#783](https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/pull/783) Update test matrix
+- [#820](https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/pull/820) Enable frozen strings for tests
 
 #### Added
 
diff --git a/test/cases/adapter_test_sqlserver.rb b/test/cases/adapter_test_sqlserver.rb
index e9f889ac9..366c42302 100644
--- a/test/cases/adapter_test_sqlserver.rb
+++ b/test/cases/adapter_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 require 'models/topic'
 require 'models/task'
diff --git a/test/cases/change_column_null_test_sqlserver.rb b/test/cases/change_column_null_test_sqlserver.rb
index 32ef027f9..a4267f263 100644
--- a/test/cases/change_column_null_test_sqlserver.rb
+++ b/test/cases/change_column_null_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 require 'migrations/create_clients_and_change_column_null'
 
diff --git a/test/cases/coerced_tests.rb b/test/cases/coerced_tests.rb
index 5b3129f81..0e38cd068 100644
--- a/test/cases/coerced_tests.rb
+++ b/test/cases/coerced_tests.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 
diff --git a/test/cases/column_test_sqlserver.rb b/test/cases/column_test_sqlserver.rb
index 9e41e81e3..c5b6ef0a1 100644
--- a/test/cases/column_test_sqlserver.rb
+++ b/test/cases/column_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # encoding: UTF-8
 require 'cases/helper_sqlserver'
 
diff --git a/test/cases/connection_test_sqlserver.rb b/test/cases/connection_test_sqlserver.rb
index e4c1ed55b..56e691ff4 100644
--- a/test/cases/connection_test_sqlserver.rb
+++ b/test/cases/connection_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 require 'models/reply'
 require 'models/topic'
diff --git a/test/cases/execute_procedure_test_sqlserver.rb b/test/cases/execute_procedure_test_sqlserver.rb
index d8731cd6b..7cdfa984f 100644
--- a/test/cases/execute_procedure_test_sqlserver.rb
+++ b/test/cases/execute_procedure_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 class ExecuteProcedureTestSQLServer < ActiveRecord::TestCase
diff --git a/test/cases/fetch_test_sqlserver.rb b/test/cases/fetch_test_sqlserver.rb
index 48e7ba2e5..5650a5f55 100755
--- a/test/cases/fetch_test_sqlserver.rb
+++ b/test/cases/fetch_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 require 'models/book'
 
diff --git a/test/cases/fully_qualified_identifier_test_sqlserver.rb b/test/cases/fully_qualified_identifier_test_sqlserver.rb
index 18b028b2d..f3ecc2786 100644
--- a/test/cases/fully_qualified_identifier_test_sqlserver.rb
+++ b/test/cases/fully_qualified_identifier_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 class FullyQualifiedIdentifierTestSQLServer < ActiveRecord::TestCase
diff --git a/test/cases/helper_sqlserver.rb b/test/cases/helper_sqlserver.rb
index 028648c37..41da2e52f 100644
--- a/test/cases/helper_sqlserver.rb
+++ b/test/cases/helper_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'support/paths_sqlserver'
 require 'bundler/setup'
 Bundler.require :default, :development
diff --git a/test/cases/in_clause_test_sqlserver.rb b/test/cases/in_clause_test_sqlserver.rb
index 6ec295130..b32639bde 100644
--- a/test/cases/in_clause_test_sqlserver.rb
+++ b/test/cases/in_clause_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 require 'models/post'
 require 'models/author'
diff --git a/test/cases/index_test_sqlserver.rb b/test/cases/index_test_sqlserver.rb
index 3a073e572..a1cebaa9e 100644
--- a/test/cases/index_test_sqlserver.rb
+++ b/test/cases/index_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 class IndexTestSQLServer < ActiveRecord::TestCase
diff --git a/test/cases/json_test_sqlserver.rb b/test/cases/json_test_sqlserver.rb
index 664c8327c..c47b55794 100644
--- a/test/cases/json_test_sqlserver.rb
+++ b/test/cases/json_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 if ActiveRecord::Base.connection.supports_json?
diff --git a/test/cases/migration_test_sqlserver.rb b/test/cases/migration_test_sqlserver.rb
index 7348bc15b..3aa02406e 100644
--- a/test/cases/migration_test_sqlserver.rb
+++ b/test/cases/migration_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 require 'models/person'
 
diff --git a/test/cases/order_test_sqlserver.rb b/test/cases/order_test_sqlserver.rb
index d0707eede..f48a1fad1 100644
--- a/test/cases/order_test_sqlserver.rb
+++ b/test/cases/order_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 require 'models/post'
 
diff --git a/test/cases/pessimistic_locking_test_sqlserver.rb b/test/cases/pessimistic_locking_test_sqlserver.rb
index 0e3e44fd4..45160f156 100644
--- a/test/cases/pessimistic_locking_test_sqlserver.rb
+++ b/test/cases/pessimistic_locking_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 require 'models/person'
 require 'models/reader'
diff --git a/test/cases/rake_test_sqlserver.rb b/test/cases/rake_test_sqlserver.rb
index 366ece3e4..431497e00 100644
--- a/test/cases/rake_test_sqlserver.rb
+++ b/test/cases/rake_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 class SQLServerRakeTest < ActiveRecord::TestCase
diff --git a/test/cases/schema_dumper_test_sqlserver.rb b/test/cases/schema_dumper_test_sqlserver.rb
index a72438e2a..a5a5b6677 100644
--- a/test/cases/schema_dumper_test_sqlserver.rb
+++ b/test/cases/schema_dumper_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 class SchemaDumperTestSQLServer < ActiveRecord::TestCase
diff --git a/test/cases/schema_test_sqlserver.rb b/test/cases/schema_test_sqlserver.rb
index 5986b5b06..a913923bc 100644
--- a/test/cases/schema_test_sqlserver.rb
+++ b/test/cases/schema_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 class SchemaTestSQLServer < ActiveRecord::TestCase
diff --git a/test/cases/scratchpad_test_sqlserver.rb b/test/cases/scratchpad_test_sqlserver.rb
index 0d77122c0..f553170ca 100644
--- a/test/cases/scratchpad_test_sqlserver.rb
+++ b/test/cases/scratchpad_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 class ScratchpadTestSQLServer < ActiveRecord::TestCase
diff --git a/test/cases/showplan_test_sqlserver.rb b/test/cases/showplan_test_sqlserver.rb
index f54a37a88..c43122610 100644
--- a/test/cases/showplan_test_sqlserver.rb
+++ b/test/cases/showplan_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 require 'models/car'
 
diff --git a/test/cases/specific_schema_test_sqlserver.rb b/test/cases/specific_schema_test_sqlserver.rb
index 9e0659227..21c75a1be 100644
--- a/test/cases/specific_schema_test_sqlserver.rb
+++ b/test/cases/specific_schema_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 class SpecificSchemaTestSQLServer < ActiveRecord::TestCase
diff --git a/test/cases/transaction_test_sqlserver.rb b/test/cases/transaction_test_sqlserver.rb
index bca3c071e..edac70ca3 100644
--- a/test/cases/transaction_test_sqlserver.rb
+++ b/test/cases/transaction_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # encoding: UTF-8
 require 'cases/helper_sqlserver'
 require 'models/ship'
diff --git a/test/cases/trigger_test_sqlserver.rb b/test/cases/trigger_test_sqlserver.rb
index c762c709e..1e9e0e979 100644
--- a/test/cases/trigger_test_sqlserver.rb
+++ b/test/cases/trigger_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # encoding: UTF-8
 require 'cases/helper_sqlserver'
 
diff --git a/test/cases/utils_test_sqlserver.rb b/test/cases/utils_test_sqlserver.rb
index c64939384..8274a93af 100644
--- a/test/cases/utils_test_sqlserver.rb
+++ b/test/cases/utils_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'cases/helper_sqlserver'
 
 class UtilsTestSQLServer < ActiveRecord::TestCase
diff --git a/test/cases/uuid_test_sqlserver.rb b/test/cases/uuid_test_sqlserver.rb
index c97319230..3c4947f18 100644
--- a/test/cases/uuid_test_sqlserver.rb
+++ b/test/cases/uuid_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # encoding: UTF-8
 require 'cases/helper_sqlserver'
 
diff --git a/test/debug.rb b/test/debug.rb
index 99ef6950a..1b1f8faad 100644
--- a/test/debug.rb
+++ b/test/debug.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # require 'rails/all'
 require 'tiny_tds'
 
diff --git a/test/migrations/create_clients_and_change_column_null.rb b/test/migrations/create_clients_and_change_column_null.rb
index 96e459455..18f74cdcf 100644
--- a/test/migrations/create_clients_and_change_column_null.rb
+++ b/test/migrations/create_clients_and_change_column_null.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class CreateClientsAndChangeColumnNull < ActiveRecord::Migration[5.2]
   def up
     create_table :clients do |t|
diff --git a/test/migrations/transaction_table/1_table_will_never_be_created.rb b/test/migrations/transaction_table/1_table_will_never_be_created.rb
index ffc29d634..dfcec8368 100644
--- a/test/migrations/transaction_table/1_table_will_never_be_created.rb
+++ b/test/migrations/transaction_table/1_table_will_never_be_created.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class TableWillNeverBeCreated < ActiveRecord::Migration
 
   def self.up
diff --git a/test/models/sqlserver/booking.rb b/test/models/sqlserver/booking.rb
index 8b38e4e52..4b70013d1 100644
--- a/test/models/sqlserver/booking.rb
+++ b/test/models/sqlserver/booking.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestBooking < ActiveRecord::Base
   self.table_name = 'sst_bookings'
 end
diff --git a/test/models/sqlserver/customers_view.rb b/test/models/sqlserver/customers_view.rb
index 5c5a994e2..ef3ad2160 100644
--- a/test/models/sqlserver/customers_view.rb
+++ b/test/models/sqlserver/customers_view.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestCustomersView < ActiveRecord::Base
   self.table_name = 'sst_customers_view'
 end
diff --git a/test/models/sqlserver/datatype.rb b/test/models/sqlserver/datatype.rb
index d9b24d830..3e3d61ed5 100644
--- a/test/models/sqlserver/datatype.rb
+++ b/test/models/sqlserver/datatype.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestDatatype < ActiveRecord::Base
   self.table_name = :sst_datatypes
 end
diff --git a/test/models/sqlserver/datatype_migration.rb b/test/models/sqlserver/datatype_migration.rb
index 79ee8492d..2a77cce60 100644
--- a/test/models/sqlserver/datatype_migration.rb
+++ b/test/models/sqlserver/datatype_migration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestDatatypeMigration < ActiveRecord::Base
   self.table_name = :sst_datatypes_migration
 end
diff --git a/test/models/sqlserver/dollar_table_name.rb b/test/models/sqlserver/dollar_table_name.rb
index b43e89600..8b20e5275 100644
--- a/test/models/sqlserver/dollar_table_name.rb
+++ b/test/models/sqlserver/dollar_table_name.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestDollarTableName < ActiveRecord::Base
   self.table_name = 'sst_my$strange_table'
 end
diff --git a/test/models/sqlserver/edge_schema.rb b/test/models/sqlserver/edge_schema.rb
index 4d14bf81d..30c79ad54 100644
--- a/test/models/sqlserver/edge_schema.rb
+++ b/test/models/sqlserver/edge_schema.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestEdgeSchema < ActiveRecord::Base
 
   self.table_name = 'sst_edge_schemas'
diff --git a/test/models/sqlserver/fk_has_fk.rb b/test/models/sqlserver/fk_has_fk.rb
index 883c9dcee..95486c232 100644
--- a/test/models/sqlserver/fk_has_fk.rb
+++ b/test/models/sqlserver/fk_has_fk.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestHasFk < ActiveRecord::Base
   self.table_name = 'sst_has_fks'
 end
diff --git a/test/models/sqlserver/fk_has_pk.rb b/test/models/sqlserver/fk_has_pk.rb
index bb3889bdd..1bd2506e8 100644
--- a/test/models/sqlserver/fk_has_pk.rb
+++ b/test/models/sqlserver/fk_has_pk.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestHasPk < ActiveRecord::Base
   self.table_name = 'sst_has_pks'
 end
diff --git a/test/models/sqlserver/natural_pk_data.rb b/test/models/sqlserver/natural_pk_data.rb
index 0dbf67552..01cfdca06 100644
--- a/test/models/sqlserver/natural_pk_data.rb
+++ b/test/models/sqlserver/natural_pk_data.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestNaturalPkData < ActiveRecord::Base
   self.table_name = 'sst_natural_pk_data'
   self.primary_key = 'legacy_id'
diff --git a/test/models/sqlserver/natural_pk_int_data.rb b/test/models/sqlserver/natural_pk_int_data.rb
index 2a624f774..4eb770809 100644
--- a/test/models/sqlserver/natural_pk_int_data.rb
+++ b/test/models/sqlserver/natural_pk_int_data.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestNaturalPkIntData < ActiveRecord::Base
   self.table_name = 'sst_natural_pk_int_data'
 end
diff --git a/test/models/sqlserver/no_pk_data.rb b/test/models/sqlserver/no_pk_data.rb
index 65c7c1ab2..b9ef19ba3 100644
--- a/test/models/sqlserver/no_pk_data.rb
+++ b/test/models/sqlserver/no_pk_data.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestNoPkData < ActiveRecord::Base
   self.table_name = 'sst_no_pk_data'
 end
diff --git a/test/models/sqlserver/object_default.rb b/test/models/sqlserver/object_default.rb
index b3950166b..5ba7d4912 100644
--- a/test/models/sqlserver/object_default.rb
+++ b/test/models/sqlserver/object_default.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestObjectDefault < ActiveRecord::Base
   self.table_name = 'sst_defaultobjects'
 end
diff --git a/test/models/sqlserver/quoted_table.rb b/test/models/sqlserver/quoted_table.rb
index ce9d283a8..bee44dd9a 100644
--- a/test/models/sqlserver/quoted_table.rb
+++ b/test/models/sqlserver/quoted_table.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestQuotedTable < ActiveRecord::Base
   self.table_name = '[sst_quoted-table]'
 end
diff --git a/test/models/sqlserver/quoted_view_1.rb b/test/models/sqlserver/quoted_view_1.rb
index ff5d3495a..587f28691 100644
--- a/test/models/sqlserver/quoted_view_1.rb
+++ b/test/models/sqlserver/quoted_view_1.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestQuotedView1 < ActiveRecord::Base
   self.table_name = 'sst_quoted-view1'
 end
diff --git a/test/models/sqlserver/quoted_view_2.rb b/test/models/sqlserver/quoted_view_2.rb
index bd03a9acd..d993c274c 100644
--- a/test/models/sqlserver/quoted_view_2.rb
+++ b/test/models/sqlserver/quoted_view_2.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestQuotedView2 < ActiveRecord::Base
   self.table_name = 'sst_quoted-view2'
 end
diff --git a/test/models/sqlserver/sst_memory.rb b/test/models/sqlserver/sst_memory.rb
index c1767c5f8..5abbfd2e6 100644
--- a/test/models/sqlserver/sst_memory.rb
+++ b/test/models/sqlserver/sst_memory.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTMemory < ActiveRecord::Base
   self.table_name = 'sst_memory'
 end
diff --git a/test/models/sqlserver/string_default.rb b/test/models/sqlserver/string_default.rb
index b8938e2e8..d797a401e 100644
--- a/test/models/sqlserver/string_default.rb
+++ b/test/models/sqlserver/string_default.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestStringDefault < ActiveRecord::Base
   self.table_name = 'sst_string_defaults'
 end
diff --git a/test/models/sqlserver/string_defaults_big_view.rb b/test/models/sqlserver/string_defaults_big_view.rb
index a0626abc4..50bfcbb43 100644
--- a/test/models/sqlserver/string_defaults_big_view.rb
+++ b/test/models/sqlserver/string_defaults_big_view.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestStringDefaultsBigView < ActiveRecord::Base
   self.table_name = 'sst_string_defaults_big_view'
 end
diff --git a/test/models/sqlserver/string_defaults_view.rb b/test/models/sqlserver/string_defaults_view.rb
index 01a83942f..6bf3c8b6b 100644
--- a/test/models/sqlserver/string_defaults_view.rb
+++ b/test/models/sqlserver/string_defaults_view.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestStringDefaultsView < ActiveRecord::Base
   self.table_name = 'sst_string_defaults_view'
 end
diff --git a/test/models/sqlserver/tinyint_pk.rb b/test/models/sqlserver/tinyint_pk.rb
index 121a321c3..ca52f8de5 100644
--- a/test/models/sqlserver/tinyint_pk.rb
+++ b/test/models/sqlserver/tinyint_pk.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestTinyintPk < ActiveRecord::Base
   self.table_name = 'sst_tinyint_pk'
 end
diff --git a/test/models/sqlserver/trigger.rb b/test/models/sqlserver/trigger.rb
index cf1c45f7c..50e4942be 100644
--- a/test/models/sqlserver/trigger.rb
+++ b/test/models/sqlserver/trigger.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestTrigger < ActiveRecord::Base
   self.table_name = 'sst_table_with_trigger'
 end
diff --git a/test/models/sqlserver/trigger_history.rb b/test/models/sqlserver/trigger_history.rb
index 35fd98016..c358d935d 100644
--- a/test/models/sqlserver/trigger_history.rb
+++ b/test/models/sqlserver/trigger_history.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestTriggerHistory < ActiveRecord::Base
   self.table_name = 'sst_table_with_trigger_history'
 end
diff --git a/test/models/sqlserver/upper.rb b/test/models/sqlserver/upper.rb
index 623f67b0f..05432b476 100644
--- a/test/models/sqlserver/upper.rb
+++ b/test/models/sqlserver/upper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestUpper < ActiveRecord::Base
   self.table_name = 'sst_upper_tests'
 end
diff --git a/test/models/sqlserver/uppered.rb b/test/models/sqlserver/uppered.rb
index cb3989dc5..bb9dce777 100644
--- a/test/models/sqlserver/uppered.rb
+++ b/test/models/sqlserver/uppered.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestUppered < ActiveRecord::Base
   self.table_name = 'SST_UPPER_TESTS'
 end
diff --git a/test/models/sqlserver/uuid.rb b/test/models/sqlserver/uuid.rb
index f03a7c373..e6eea62e3 100644
--- a/test/models/sqlserver/uuid.rb
+++ b/test/models/sqlserver/uuid.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SSTestUuid < ActiveRecord::Base
   self.table_name = 'sst_uuids'
 end
diff --git a/test/schema/sqlserver_specific_schema.rb b/test/schema/sqlserver_specific_schema.rb
index 00fef941e..eefcb363d 100644
--- a/test/schema/sqlserver_specific_schema.rb
+++ b/test/schema/sqlserver_specific_schema.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ActiveRecord::Schema.define do
 
   # Exhaustive Data Types
diff --git a/test/support/coerceable_test_sqlserver.rb b/test/support/coerceable_test_sqlserver.rb
index 3a7d38387..6ecbe7953 100644
--- a/test/support/coerceable_test_sqlserver.rb
+++ b/test/support/coerceable_test_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ARTest
   module SQLServer
     module CoerceableTest
diff --git a/test/support/connection_reflection.rb b/test/support/connection_reflection.rb
index 20ef1fd8a..777fae534 100644
--- a/test/support/connection_reflection.rb
+++ b/test/support/connection_reflection.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ARTest
   module SQLServer
     module ConnectionReflection
diff --git a/test/support/core_ext/query_cache.rb b/test/support/core_ext/query_cache.rb
index 01601f695..1debd57db 100644
--- a/test/support/core_ext/query_cache.rb
+++ b/test/support/core_ext/query_cache.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'active_record/connection_adapters/sqlserver_adapter'
 
 module SqlIgnoredCache
diff --git a/test/support/load_schema_sqlserver.rb b/test/support/load_schema_sqlserver.rb
index 5e4eb8e1c..4b8a3c08b 100644
--- a/test/support/load_schema_sqlserver.rb
+++ b/test/support/load_schema_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ARTest
   module SQLServer
 
diff --git a/test/support/minitest_sqlserver.rb b/test/support/minitest_sqlserver.rb
index c12a467ce..4e5574ef0 100644
--- a/test/support/minitest_sqlserver.rb
+++ b/test/support/minitest_sqlserver.rb
@@ -1 +1,3 @@
+# frozen_string_literal: true
+
 require 'minitest-spec-rails/init/active_support'
diff --git a/test/support/paths_sqlserver.rb b/test/support/paths_sqlserver.rb
index c423d91a5..a495474f2 100644
--- a/test/support/paths_sqlserver.rb
+++ b/test/support/paths_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ARTest
   module SQLServer
 
diff --git a/test/support/rake_helpers.rb b/test/support/rake_helpers.rb
index 58ff2303c..db04b5bba 100644
--- a/test/support/rake_helpers.rb
+++ b/test/support/rake_helpers.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 
 SQLSERVER_HELPER = 'test/cases/helper_sqlserver.rb'
 SQLSERVER_COERCED = 'test/cases/coerced_tests.rb'
diff --git a/test/support/sql_counter_sqlserver.rb b/test/support/sql_counter_sqlserver.rb
index 04a814dc6..6977c17d6 100644
--- a/test/support/sql_counter_sqlserver.rb
+++ b/test/support/sql_counter_sqlserver.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ARTest
   module SQLServer
 
diff --git a/test/support/test_in_memory_oltp.rb b/test/support/test_in_memory_oltp.rb
index 5db693f0f..ba169951c 100644
--- a/test/support/test_in_memory_oltp.rb
+++ b/test/support/test_in_memory_oltp.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 if ENV['IN_MEMORY_OLTP']
   require 'config'
   require 'active_record'