Adding negative case for initialize check with ancestry

spec/shortcode/presenter_spec.rb

@@ -8,6 +8,7 @@
 require "support/presenters/missing_for_presenter"
 require "support/presenters/missing_initialize_presenter"
 require "support/presenters/child_presenter"
+require "support/presenters/child_missing_initialize_presenter"
 require "support/presenters/missing_content_presenter"
 require "support/presenters/missing_attributes_presenter"
 
@@ -109,6 +110,13 @@
       end
     end
 
+    context "when self and ancestory are missing #initialize method" do
+      it "raises an exception" do
+        expect { shortcode.register_presenter ChildMissingInitializePresenter }
+          .to raise_error(ArgumentError, "The presenter must define an initialize method")
+      end
+    end
+
     context "when missing #content method" do
       it "raises an exception" do
         expect { shortcode.register_presenter MissingContentPresenter }

spec/support/presenters/child_missing_initialize_presenter.rb

@@ -0,0 +1,11 @@
+require "support/presenters/parent_missing_initialize_presenter"
+
+class ChildMissingInitializePresenter < ParentMissingInitializePresenter
+
+  def self.for; end
+
+  def content; end
+
+  def attributes; end
+
+end

spec/support/presenters/parent_missing_initialize_presenter.rb

@@ -0,0 +1,2 @@
+class ParentMissingInitializePresenter
+end