Uses the frozen_string_literal magic comment (will be the default in Ruby 3)

spec/app/models/interesting_finding_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::InterestingFinding do
   it_behaves_like WPScan::References do
     subject(:finding) { described_class.new('http://e.org/file.php', opts) }

spec/app/models/media_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::Media do
   subject(:media) { described_class.new(url) }
   let(:url)       { 'http://e.oeg/?attachment_id=2' }

spec/app/models/plugin_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::Plugin do
   subject(:plugin) { described_class.new(slug, blog, opts) }
   let(:slug)       { 'spec' }

spec/app/models/theme_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::Theme do
   subject(:theme)  { described_class.new(slug, blog, opts) }
   let(:slug)       { 'spec' }

spec/app/models/timthumb_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::Timthumb do
   subject(:timthumb) { described_class.new(url, opts) }
   let(:url)          { 'http://wp.lab/wp-content/timthumb.php' }

spec/app/models/wp_item_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::WpItem do
   subject(:wp_item)  { described_class.new(slug, blog, opts) }
   let(:slug)         { 'test_item' }

spec/app/models/wp_version_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::WpVersion do
   describe '#new' do
     context 'when invalid number' do

spec/app/models/xml_rpc_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::XMLRPC do
   subject(:xml_rpc) { described_class.new('http//e.org/xmlrpc.php') }