look up ActiveRecord::Base.descendants instead of .subclasses

README.md

@@ -49,7 +49,7 @@ Sprig.reap(target_env: 'integration')
 
 #### Model List
 If you only want to `reap` a subset of your models, you may provide a list of models
-(`ActiveRecord::Base.subclasses`-only) or `ActiveRecord::Relations` (for pulling records based on
+(`ActiveRecord::Base.descendants`-only) or `ActiveRecord::Relations` (for pulling records based on
 scope):
 ```
 # Rake Task

lib/sprig/reap/association.rb

@@ -22,7 +22,7 @@ def polymorphic?
 
     def polymorphic_dependencies
       return [] unless polymorphic?
-      @polymorphic_dependencies ||= ActiveRecord::Base.subclasses.select { |model| polymorphic_match? model }
+      @polymorphic_dependencies ||= ActiveRecord::Base.descendants.select { |model| polymorphic_match? model }
     end
 
     def polymorphic_match?(model)

lib/sprig/reap/inputs/model.rb

@@ -5,7 +5,7 @@ class Model
     def self.valid_classes
       @@valid_classes ||= begin
         Rails.application.eager_load!
-        ActiveRecord::Base.subclasses
+        ActiveRecord::Base.descendants
       end
     end
 

spec/lib/sprig/reap/inputs/model_spec.rb

@@ -4,12 +4,12 @@
   describe ".valid_classes" do
     subject { described_class }
 
-    its(:valid_classes) { should == ActiveRecord::Base.subclasses }
+    its(:valid_classes) { should == ActiveRecord::Base.descendants }
   end
 
   describe ".default" do
     it "instantiates a Sprig::Reap::Inputs::Model for each model" do
-      ActiveRecord::Base.subclasses.each do |model|
+      ActiveRecord::Base.descendants.each do |model|
         Sprig::Reap::Inputs::Model.should_receive(:new).with(model)
       end