From c98657b8303150bfda3bdea750055b83a29b27a3 Mon Sep 17 00:00:00 2001
From: GeoSot <geo.sotis@gmail.com>
Date: Thu, 3 Jun 2021 18:53:27 +0300
Subject: Add `getOrCreateInstance` method in base-component (#33276)

Co-authored-by: Rohit Sharma <rohit2sharma95@gmail.com>
Co-authored-by: XhmikosR <xhmikosr@gmail.com>
---
 js/tests/unit/button.spec.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'js/tests/unit/button.spec.js')

diff --git a/js/tests/unit/button.spec.js b/js/tests/unit/button.spec.js
index 90cf76614..be99177e8 100644
--- a/js/tests/unit/button.spec.js
+++ b/js/tests/unit/button.spec.js
@@ -164,4 +164,26 @@ describe('Button', () => {
       expect(Button.getInstance(div)).toEqual(null)
     })
   })
+
+  describe('getOrCreateInstance', () => {
+    it('should return button instance', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+      const button = new Button(div)
+
+      expect(Button.getOrCreateInstance(div)).toEqual(button)
+      expect(Button.getInstance(div)).toEqual(Button.getOrCreateInstance(div, {}))
+      expect(Button.getOrCreateInstance(div)).toBeInstanceOf(Button)
+    })
+
+    it('should return new instance when there is no button instance', () => {
+      fixtureEl.innerHTML = '<div></div>'
+
+      const div = fixtureEl.querySelector('div')
+
+      expect(Button.getInstance(div)).toEqual(null)
+      expect(Button.getOrCreateInstance(div)).toBeInstanceOf(Button)
+    })
+  })
 })
-- 
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