From 7cf041e977a0c1343f503685c721913c7078aca8 Mon Sep 17 00:00:00 2001
From: Estevan Maito <ejmaito@gmail.com>
Date: Fri, 17 May 2019 15:29:42 -0300
Subject: [PATCH] add getClosestElement tests

---
 .../helpers/getClosestElement.test.js         | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/__tests__/helpers/getClosestElement.test.js

diff --git a/src/__tests__/helpers/getClosestElement.test.js b/src/__tests__/helpers/getClosestElement.test.js
new file mode 100644
index 0000000..cc3cf69
--- /dev/null
+++ b/src/__tests__/helpers/getClosestElement.test.js
@@ -0,0 +1,27 @@
+import getClosestElement from '../../helpers/getClosestElement'
+
+const template = `
+<div class="outer">
+  <div class="inner">
+    <span class="element"></span>
+  </div>
+</div>
+`
+
+document.body.innerHTML = template
+const element = document.querySelector('.element')
+
+describe('getClosestElement', () => {
+  it('should return the closest matching ancestor', () => {
+    const ancestor = getClosestElement(element, 'div')
+
+    expect(ancestor.classList).toContain('inner')
+  })
+  
+  it('should return null if there isn\'t a matching ancestor', () => {
+    const ancestor = getClosestElement(element, 'section')
+
+    expect(ancestor).toBeNull()
+  })
+  
+})