From ea54a7cc5bf95d70a0b4aa98d27ba75be880951d Mon Sep 17 00:00:00 2001
From: Innocenti Sedili Valerio <valerio.innocenti.ext@yoox.com>
Date: Tue, 28 Nov 2017 15:13:22 +0100
Subject: [PATCH] exception message in json formatter

---
 package.json                    | 2 +-
 src/formatter/json_formatter.js | 3 ++-
 yarn.lock                       | 6 +++---
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/package.json b/package.json
index cf9901c8b..b7fd4b621 100644
--- a/package.json
+++ b/package.json
@@ -132,7 +132,7 @@
     "node": ">=0.10"
   },
   "dependencies": {
-    "assertion-error-formatter": "^2.0.0",
+    "assertion-error-formatter": "^2.0.1",
     "babel-runtime": "^6.11.6",
     "bluebird": "^3.4.1",
     "cli-table": "^0.3.1",
diff --git a/src/formatter/json_formatter.js b/src/formatter/json_formatter.js
index a10026397..ec8f348ab 100644
--- a/src/formatter/json_formatter.js
+++ b/src/formatter/json_formatter.js
@@ -3,6 +3,7 @@ import Formatter from './'
 import Status from '../status'
 import { formatLocation, GherkinDocumentParser, PickleParser } from './helpers'
 import { buildStepArgumentIterator } from '../step_arguments'
+import { format } from 'assertion-error-formatter'
 
 const {
   getStepLineToKeywordMap,
@@ -156,7 +157,7 @@ export default class JsonFormatter extends Formatter {
         data.result.duration = testStep.result.duration
       }
       if (status === Status.FAILED && exception) {
-        data.result.error_message = exception.stack || exception
+        data.result.error_message = format(exception)
       }
     }
     if (_.size(testStep.attachments) > 0) {
diff --git a/yarn.lock b/yarn.lock
index 1e05d11d5..35912edc9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -193,9 +193,9 @@ assert@^1.4.0:
   dependencies:
     util "0.10.3"
 
-assertion-error-formatter@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/assertion-error-formatter/-/assertion-error-formatter-2.0.0.tgz#17a24289cc8440889b54318e6d1187ebee2d5494"
+assertion-error-formatter@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/assertion-error-formatter/-/assertion-error-formatter-2.0.1.tgz#6bbdffaec8e2fa9e2b0eb158bfe353132d7c0a9b"
   dependencies:
     diff "^3.0.0"
     pad-right "^0.2.2"