Fix referential integrity checks on polymorphic points associations

app/models/tool_slot.rb

@@ -3,7 +3,7 @@
 # etc.
 class ToolSlot < ApplicationRecord
   belongs_to :tool
-  has_one :point, as: :pointer, dependent: :destroy
+  has_one :point, as: :pointer#, dependent: :destroy
   # has_many  :sequence_dependencies, dependent: :destroy, as: :dependency
   validates_uniqueness_of :tool,
                           allow_blank: true,

db/migrate/20170518182029_add_polymorphic_constraints.rb

@@ -1,7 +1,9 @@
 class AddPolymorphicConstraints < ActiveRecord::Migration[5.1]
   def change
-    add_polymorphic_constraints :pointer, :tool_slots
-    add_polymorphic_constraints :pointer, :plants
-    add_polymorphic_constraints :pointer, :generic_pointers
+    add_polymorphic_constraints :pointer,
+                                :points,
+                                polymorphic_models: [:plant,
+                                                     :tool_slot,
+                                                     :generic_pointer]
   end
 end

db/seeds.rb

@@ -2,10 +2,10 @@ unless Rails.env == "production"
     ENV['MQTT_HOST']        = "blooper.io"
     ENV['OS_UPDATE_SERVER'] = "http://blah.com"
     ENV['FW_UPDATE_SERVER'] = "http://test.com"
+    Point.destroy_all
     ToolSlot.destroy_all
     Device.destroy_all
     User.destroy_all
-    Point.destroy_all
     Users::Create.run!(name:                  "Administrator",
                        email:                 "notos@notos.com",
                        password:              "password123",

latest_corpus.rb

@@ -139,6 +139,6 @@ result.push(enum_type :LegalKindString, HASH[:nodes].map{ |x| x[:name] }.sort.un
 result.push(enum_type :LegalSequenceKind, CeleryScriptSettingsBag::STEPS.sort)
 result.push(enum_type :DataChangeType, CeleryScriptSettingsBag::ALLOWED_CHAGES)
 result.push(enum_type :ResourceName, CeleryScriptSettingsBag::RESOURCE_NAME)
-result.push(enum_type :PointType, CeleryScriptSettingsBag::ALLOWED_POINT_TYPE)
+result.push(enum_type :PointType, CeleryScriptSettingsBag::ALLOWED_POINTER_TYPE)
 
 puts result.join.gsub("\n\n\n", "\n")