Commit ee7326f

@@ -17,6 +17,7 @@ module Scim
           @meta = Meta.new('Schema', location)
           @meta.created = @meta.last_modified = @meta.version = nil
           @attributes = []
+          yield self if block_given?
         end
 
         def add_attribute(name:, type: :string)
@@ -26,7 +27,7 @@ module Scim
         end
 
         def core?
-          id.include?(Schemas::CORE)
+          id.include?(Schemas::CORE) || id.include?(Messages::CORE)
         end
 
         def self.build(*args)

@@ -13,6 +13,27 @@ module Scim
         RESOURCE_TYPE = "#{CORE}:ResourceType"
         SERVICE_PROVIDER_CONFIGURATION = "#{CORE}:ServiceProviderConfig"
         USER = "#{CORE}:User"
+
+        def self.error
+          Schema.new(id: Messages::ERROR, name: 'Error', location: nil) do |schema|
+            schema.add_attribute(name: :scim_type) do |attribute|
+              attribute.canonical_values = [
+                'invalidPath',
+                'invalidSyntax',
+                'invalidSyntax',
+                'invalidValue',
+                'invalidVers',
+                'mutability',
+                'noTarget',
+                'sensitive',
+                'tooMany',
+                'uniqueness',
+              ]
+            end
+            schema.add_attribute(name: :detail)
+            schema.add_attribute(name: :status, type: :integer)
+          end
+        end
       end
     end
   end

@@ -471,4 +471,20 @@ RSpec.describe Scim::Kit::V2::Resource do
       specify { expect(subject.emails[0][:primary]).to be(true) }
     end
   end
+
+  describe "Errors" do
+    subject { described_class.new(schemas: schemas) }
+    let(:schemas) { [Scim::Kit::V2::Schemas.error] }
+
+    before do
+      subject.scim_type = :invalidSyntax
+      subject.detail = "error"
+      subject.status = 400
+    end
+
+    specify { expect(subject.to_h[:schemas]).to match_array([Scim::Kit::V2::Messages::ERROR]) }
+    specify { expect(subject.to_h[:scimType]).to eql('invalidSyntax') }
+    specify { expect(subject.to_h[:detail]).to eql('error') }
+    specify { expect(subject.to_h[:status]).to be(400) }
+  end
 end