From be5fc7524a2b08f1ef9c5ef2abad863b6ff49156 Mon Sep 17 00:00:00 2001
From: Roy Sutton <roy.sutton@lge.com>
Date: Thu, 13 Aug 2020 18:37:28 -0400
Subject: [PATCH] Add excpetion catcher

Enact-DCO-1.0-Signed-off-by: Roy Sutton roy.sutton@lge.com
---
 screenshot/errorHandler.js | 6 ++++++
 screenshot/index.js        | 1 +
 utils/runTest.js           | 4 ++++
 3 files changed, 11 insertions(+)
 create mode 100644 screenshot/errorHandler.js

diff --git a/screenshot/errorHandler.js b/screenshot/errorHandler.js
new file mode 100644
index 00000000..3db9a79b
--- /dev/null
+++ b/screenshot/errorHandler.js
@@ -0,0 +1,6 @@
+// A little utility to catch errors executing the test generation routines
+
+window.addEventListener('error', errorMsg => {
+	window.__TEST_DATA = 'Error occurred: ' + errorMsg.message;
+	return false;
+}, {capture: true});
diff --git a/screenshot/index.js b/screenshot/index.js
index 2dc66e58..05195c96 100644
--- a/screenshot/index.js
+++ b/screenshot/index.js
@@ -1,3 +1,4 @@
+import './errorHandler';
 import React from 'react';
 import {render} from 'react-dom';
 import App, {testMetadata} from 'UI_TEST_APP_ENTRY';
diff --git a/utils/runTest.js b/utils/runTest.js
index affc7fde..64c0e4b0 100644
--- a/utils/runTest.js
+++ b/utils/runTest.js
@@ -20,6 +20,10 @@ const runTest = ({concurrency, Page, skin, testName, ...rest}) => {
 				return window.__TEST_DATA; // eslint-disable-line no-undef
 			});
 
+			if (typeof testCases === 'string') {
+				throw new Error(`Test data failed to load: ${testCases}.\n\nLoad page in a browser to view the error.`)
+			}
+
 			expect(testCases).to.be.an('object', 'Test data failed to load');
 
 			describe(testName, function () {