exception message in json formatter

cucumber · Nov 8, 2017 · c3b1453 · c3b1453
1 parent 7bb5a3b
commit c3b1453
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/formatter/json_formatter.js b/src/formatter/json_formatter.js
@@ -156,7 +156,14 @@ export default class JsonFormatter extends Formatter {
         data.result.duration = testStep.result.duration
       }
       if (status === Status.FAILED && exception) {
-        data.result.error_message = exception.stack || exception
+        if (_.isString(exception)) {
+          data.result.error_message = exception
+        } else {
+          let { message = '', stack = '' } = exception
+          message = _.includes(stack, message) ? '' : message + '\n'
+          data.result.error_message =
+            message + stack || JSON.stringify(exception)
+        }
       }
     }
     if (_.size(testStep.attachments) > 0) {