Add a custom deprecator to SimpleForm

Rails 7.1 is deprecating the `ActiveSupport::Deprecation.instance` usage
in favor of defining library-specific deprecators, this implements one
for SimpleForm going forward.

lib/simple_form.rb

@@ -55,6 +55,10 @@ def self.configured? #:nodoc:
     @@configured
   end
 
+  def self.deprecator
+    @deprecator ||= ActiveSupport::Deprecation.new("5.3", "SimpleForm")
+  end
+
   ## CONFIGURATION OPTIONS
 
   # Method used to tidy up errors.
@@ -264,21 +268,21 @@ def self.additional_classes_for(component)
   ## SETUP
 
   def self.default_input_size=(*)
-    ActiveSupport::Deprecation.warn "[SIMPLE_FORM] SimpleForm.default_input_size= is deprecated and has no effect", caller
+    SimpleForm.deprecator.warn "[SIMPLE_FORM] SimpleForm.default_input_size= is deprecated and has no effect", caller
   end
 
   def self.form_class=(value)
-    ActiveSupport::Deprecation.warn "[SIMPLE_FORM] SimpleForm.form_class= is deprecated and will be removed in 4.x. Use SimpleForm.default_form_class= instead", caller
+    SimpleForm.deprecator.warn "[SIMPLE_FORM] SimpleForm.form_class= is deprecated and will be removed in 4.x. Use SimpleForm.default_form_class= instead", caller
     @@form_class = value
   end
 
   def self.file_methods=(file_methods)
-    ActiveSupport::Deprecation.warn(FILE_METHODS_DEPRECATION_WARN, caller)
+    SimpleForm.deprecator.warn(FILE_METHODS_DEPRECATION_WARN, caller)
     @@file_methods = file_methods
   end
 
   def self.file_methods
-    ActiveSupport::Deprecation.warn(FILE_METHODS_DEPRECATION_WARN, caller)
+    SimpleForm.deprecator.warn(FILE_METHODS_DEPRECATION_WARN, caller)
     @@file_methods
   end
 

lib/simple_form/components/label_input.rb

@@ -22,7 +22,7 @@ def deprecated_component(namespace, wrapper_options)
         method = method(namespace)
 
         if method.arity.zero?
-          ActiveSupport::Deprecation.warn(SimpleForm::CUSTOM_INPUT_DEPRECATION_WARN % { name: namespace })
+          SimpleForm.deprecator.warn(SimpleForm::CUSTOM_INPUT_DEPRECATION_WARN % { name: namespace })
 
           method.call
         else

lib/simple_form/railtie.rb

@@ -11,5 +11,9 @@ class Railtie < Rails::Railtie
           ' Use `rails generate simple_form:install` to generate the Simple Form configuration.'
       end
     end
+
+    initializer "simple_form.deprecator" do |app|
+      app.deprecators[:simple_form] = SimpleForm.deprecator if app.respond_to?(:deprecators)
+    end
   end
 end

lib/simple_form/wrappers/leaf.rb

@@ -13,7 +13,7 @@ def render(input)
         method = input.method(@namespace)
 
         if method.arity.zero?
-          ActiveSupport::Deprecation.warn(SimpleForm::CUSTOM_INPUT_DEPRECATION_WARN % { name: @namespace })
+          SimpleForm.deprecator.warn(SimpleForm::CUSTOM_INPUT_DEPRECATION_WARN % { name: @namespace })
 
           method.call
         else

test/action_view_extensions/form_helper_test.rb

@@ -24,7 +24,7 @@ class FormHelperTest < ActionView::TestCase
 
   # Remove this test when SimpleForm.form_class is removed in 4.x
   test 'SimpleForm allows overriding default form class, but not form class' do
-    ActiveSupport::Deprecation.silence do
+    SimpleForm.deprecator.silence do
       swap SimpleForm, form_class: "fixed_class", default_form_class: "my_custom_class" do
         with_concat_form_for :user, html: { class: "override_class" }
         assert_no_select 'form.my_custom_class'

test/form_builder/general_test.rb

@@ -296,7 +296,7 @@ def with_custom_form_for(object, *args, &block)
   # COMMON OPTIONS
   # Remove this test when SimpleForm.form_class is removed in 4.x
   test 'builder adds chosen form class' do
-    ActiveSupport::Deprecation.silence do
+    SimpleForm.deprecator.silence do
       swap SimpleForm, form_class: :my_custom_class do
         with_form_for @user, :name
         assert_select 'form.my_custom_class'
@@ -306,7 +306,7 @@ def with_custom_form_for(object, *args, &block)
 
   # Remove this test when SimpleForm.form_class is removed in 4.x
   test 'builder adds chosen form class and default form class' do
-    ActiveSupport::Deprecation.silence do
+    SimpleForm.deprecator.silence do
       swap SimpleForm, form_class: "my_custom_class", default_form_class: "my_default_class" do
         with_form_for @user, :name
         assert_select 'form.my_custom_class.my_default_class'

test/inputs/discovery_test.rb

@@ -129,10 +129,10 @@ def discovery(value = false)
       assert_select 'form input[type=file]#user_avatar.file-upload'
     end
   end
-  
+
   test 'inputs method without wrapper_options are deprecated' do
     discovery do
-      assert_deprecated do
+      assert_deprecated('input method now accepts a `wrapper_options` argument.', SimpleForm.deprecator) do
         with_form_for @user, :name, as: :deprecated
       end