Ensure user_attributes returns a Hash

lib/airbrake_api/v3/notice_parser.rb

@@ -69,7 +69,8 @@ def request
       end
 
       def user_attributes
-        return context['user'] if context['user']
+        user = context['user']
+        return user.is_a?(Hash) ? user : { user: user } if user
 
         {
           'id'       => context['userId'],

spec/lib/airbrake_api/v3/notice_parser_spec.rb

@@ -105,6 +105,20 @@
     expect(parser.attributes[:server_environment]['hostname']).to eq('app01.infra.example.com')
   end
 
+  describe '#user_attributes' do
+    it 'returns a user context hash' do
+      user_hash = { id: 1, name: 'John Doe' }
+      parser = described_class.new('context' => { 'user' => user_hash })
+      expect(parser.send(:user_attributes)).to eq(user_hash)
+    end
+
+    it 'returns a hash for a user context string' do
+      user_string = '[Filtered]'
+      parser = described_class.new('context' => { 'user' => user_string })
+      expect(parser.send(:user_attributes)).to eq(user: user_string)
+    end
+  end
+
   def build_params_for(fixture, options = {})
     json = Rails.root.join('spec', 'fixtures', fixture).read
     data = JSON.parse(json)