spec/integration/mixin_spec.rb in dry-container-0.5.0 vs spec/integration/mixin_spec.rb in dry-container-0.6.0

@@ -13,7 +13,20 @@
       Class.new { include Dry::Container::Mixin }
     end
     let(:container) { klass.new }
 
     it_behaves_like 'a container'
+
+    context 'into a class with a custom .initialize method' do
+      let(:klass) do
+        Class.new do
+          include Dry::Container::Mixin
+          def initialize; end
+        end
+      end
+
+      it 'does not fail on missing member variable' do
+        expect { container.register :key, ->{} }.to_not raise_error
+      end
+    end
   end
 end