fix: handle deleting integration when consumer and provider are the same pacticipant

Author: bethesque

lib/pact_broker/integrations/service.rb

@@ -20,7 +20,7 @@ def self.delete(consumer_name, provider_name)
         version_repository.delete_orphan_versions(consumer, provider)
 
         pacticipant_service.delete_if_orphan(consumer)
-        pacticipant_service.delete_if_orphan(provider)
+        pacticipant_service.delete_if_orphan(provider) unless consumer == provider
       end
     end
   end

spec/lib/pact_broker/integrations/service_spec.rb

@@ -208,6 +208,19 @@ module Integrations
             expect { subject }.to change { PactBroker::Domain::Version.count }
           end
         end
+
+        context "when a pacticipant has a pact with itself... I wouldn't have believed it unless I'd seen it..." do
+          before do
+            td.create_consumer("Foo")
+              .use_provider("Foo")
+              .create_consumer_version("1")
+              .create_pact
+          end
+
+          it "doesn't blow up" do
+            Service.delete("Foo", "Foo")
+          end
+        end
       end
     end
   end