From 75162b8b79dff0a68c89be1d01c5a7c7b26d4a5d Mon Sep 17 00:00:00 2001
From: Klemek <klemek@outlook.fr>
Date: Tue, 16 Jul 2019 15:09:49 +0200
Subject: [PATCH] more unit tests

---
 src/rendering.js       |  3 +++
 test/rendering.test.js | 16 ++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/rendering.js b/src/rendering.js
index c6c104e..9a82f79 100644
--- a/src/rendering.js
+++ b/src/rendering.js
@@ -129,6 +129,9 @@ module.exports = (options) => {
         return null;
 
       if (typeof icon === 'object') {
+        if (!icon.path || !icon.path.trim())
+          return null;
+
         icon.height = icon.height || icon.width || resources.height;
         icon.width = icon.width || icon.height;
         return icon;
diff --git a/test/rendering.test.js b/test/rendering.test.js
index 14a3a78..1d39bf1 100644
--- a/test/rendering.test.js
+++ b/test/rendering.test.js
@@ -171,6 +171,22 @@ describe('getIcon', () => {
       height: 512
     });
   });
+  test('custom invalid icon', () => {
+    const res = rendering().getIcon({
+      paht: 'hello',
+      width: 80,
+      height: 160
+    });
+    expect(res).toBe(null);
+  });
+  test('custom invalid icon 2', () => {
+    const res = rendering().getIcon({
+      path: '',
+      width: 80,
+      height: 160
+    });
+    expect(res).toBe(null);
+  });
 });
 
 describe('getLinkPath (non-regression)', () => {