Better settings coupling with spec coverage

spec/models/employee_spec.rb

@@ -13,4 +13,53 @@ describe Employee do
       end
     end
   end
+
+  describe 'settings' do
+    let(:supplier){ build :supplier }
+    let(:employee){ create :employee}
+    before do
+      supplier.add_employee employee
+      employee.enrich_with_settings supplier.settings_for(employee)
+    end
+
+    it 'responds to defaults' do
+      employee.manager?.should be false
+      employee.active?.should be true
+      employee.color.should == '#3a87ad'
+    end
+
+    it 'Sets the values non persisted on the supplier' do
+      employee.manager = true
+      supplier.employee_settings_storage[employee.id]['manager'].should be true
+      supplier.reload
+      supplier.employee_settings_storage.should_not be_present
+    end
+
+    it 'persists settings of the supplier on save' do
+      employee.manager = true
+      employee.save
+      supplier.reload
+      supplier.employee_settings_storage[employee.id]['manager'].should be true
+    end
+
+    it 'does not non existant suppliers on save' do
+      employee.manager = true
+      ->{ employee.save }.should_not change{ Supplier.count }
+    end
+
+    it 'sets attributes on the employee if fetched through the supplier' do
+      settings = supplier.settings_for employee
+      settings.is_manager!
+      employee.manager?.should be true
+    end
+
+    it 'Implements settings on employees' do
+      supplier.update employee_settings_storage: {employee.id => { 'manager' => true }}
+      supplier.reload
+      # Without the acessor employees on the supplier, the employee and therefore its settings are not linked to the supplier
+      linked_employee = supplier.employees.find{|e| e.id == employee.id }
+      linked_employee.should be_manager
+    end
+
+  end
 end