Use retry_with_error in UserRefreshCredentials#revoke!

lib/googleauth/user_refresh.rb

@@ -92,6 +92,8 @@ module Google
       # Revokes the credential
       def revoke!(options = {})
         c = options[:connection] || Faraday.default_connection
+
+        retry_with_error do
           resp = c.get(REVOKE_TOKEN_URI, token: refresh_token || access_token)
           case resp.status
           when 200
@@ -103,6 +105,7 @@ module Google
                   "Unexpected error code #{resp.status}")
           end
         end
+      end
 
       # Verifies that a credential grants the requested scope
       #

spec/googleauth/user_refresh_spec.rb

@@ -293,4 +293,20 @@ describe Google::Auth::UserRefreshCredentials do
       )
     end
   end
+
+  describe 'when erros occured with request' do
+    it 'should fail with Signet::AuthorizationError if request times out' do
+      allow_any_instance_of(Faraday::Connection).to receive(:get)
+        .and_raise(Faraday::TimeoutError)
+      expect { @client.revoke! }
+        .to raise_error Signet::AuthorizationError
+    end
+
+    it 'should fail with Signet::AuthorizationError if request fails' do
+      allow_any_instance_of(Faraday::Connection).to receive(:get)
+        .and_raise(Faraday::ConnectionFailed, nil)
+      expect { @client.revoke! }
+        .to raise_error Signet::AuthorizationError
+    end
+  end
 end