From 0492febf61d776401e3512c2748199b16cdf3af3 Mon Sep 17 00:00:00 2001
From: Miodrag Seslija <miodrag.seslija@consulteer.com>
Date: Thu, 9 Mar 2017 09:10:33 +0100
Subject: [PATCH] Add update method for ActiveModel compatible classes (#37)

* Added update method

* Added tests for update method
---
 lib/rest_in_peace/active_model_api.rb       |  5 +++++
 spec/rest_in_peace/active_model_api_spec.rb | 21 +++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/lib/rest_in_peace/active_model_api.rb b/lib/rest_in_peace/active_model_api.rb
index a2ed2c4..44d3544 100644
--- a/lib/rest_in_peace/active_model_api.rb
+++ b/lib/rest_in_peace/active_model_api.rb
@@ -46,6 +46,11 @@ def create_with_dirty_tracking
       valid?
     end
 
+    def update(attributes)
+      update_attributes(attributes)
+      save
+    end
+
     def valid?
       !errors.any?
     end
diff --git a/spec/rest_in_peace/active_model_api_spec.rb b/spec/rest_in_peace/active_model_api_spec.rb
index 6fc317a..052c5a1 100644
--- a/spec/rest_in_peace/active_model_api_spec.rb
+++ b/spec/rest_in_peace/active_model_api_spec.rb
@@ -168,6 +168,27 @@ def extended_class.model_name
       end
     end
 
+    describe '#update' do
+      let(:new_attributes) { { name: 'new_name', description: 'yoloswag' } }
+
+      subject { instance }
+
+      it 'saves record after update' do
+        expect(subject).to receive(:save)
+
+        subject.update(new_attributes)
+      end
+
+      specify do
+        expect { subject.update(new_attributes) }.
+          to change(instance, :description).from(attributes[:description]).to(new_attributes[:description])
+      end
+
+      specify do
+        expect { subject.update(new_attributes) }.to_not change(instance, :name).from(attributes[:name])
+      end
+    end
+
     describe 'validation handling' do
       before do
         def extended_class.model_name