Quick upsert prototype (#23)

* Add Minitest raketasks

* Add a super simple prototype for upsert vs. update

* Update lib/oaken.rb

* Update Rakefile

* Update lib/oaken.rb

* Run validations before using upsert

---------

Co-authored-by: Kasper Timm Hansen <kaspth@gmail.com>

lib/oaken.rb

@@ -48,6 +48,8 @@ def update(id, **attributes)
         end
       end
     end
+
+    alias :upsert :update
   end
 
   class Stored::Memory < Stored::Abstract
@@ -79,6 +81,12 @@ def update(id, **attributes)
         @type.create!(id: id.hash, **attributes)
       end
     end
+
+    def upsert(id, **attributes)
+      attributes = super
+      @type.new(attributes).validate!
+      @type.upsert({ id: id.hash, **attributes })
+    end
   end
 
   module Data

test/oaken_test.rb

@@ -47,4 +47,13 @@ def test_updating_fixture
     users.update :kasper, name: "Kasper2"
     assert_equal "Kasper2", users.kasper.name
   end
+
+  def test_upserting_vs_updating
+    assert_equal "Nice!", comments.praise.title
+
+    error = assert_raises RuntimeError do
+      comments.update :salty, title: "foo"
+    end
+    assert_equal "after_create", error.message
+  end
 end

test/seeds.rb

@@ -4,3 +4,5 @@
 users.with name: -> { id.to_s.capitalize }, accounts: [accounts.business]
 users.update :kasper
 users.update :coworker
+
+comments.upsert :praise, title: "Nice!"

test/test_helper.rb

@@ -48,6 +48,7 @@ class User < ActiveRecord::Base
 end
 
 class Comment < ActiveRecord::Base
+  after_create { raise "after_create" }
 end
 
 Oaken::Data.records.preregister ActiveRecord::Base.connection.tables.grep_v(/^ar_/)