From 26dc17bcd23fd2f5fd762c5cb73c6a670bd5f897 Mon Sep 17 00:00:00 2001
From: Johann-S <johann.servoire@gmail.com>
Date: Tue, 7 Nov 2017 08:18:52 +0100
Subject: Popover - call `content` once if it's a function. (#24690)

---
 js/tests/unit/popover.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'js/tests')

diff --git a/js/tests/unit/popover.js b/js/tests/unit/popover.js
index b5ea714ea..972da7828 100644
--- a/js/tests/unit/popover.js
+++ b/js/tests/unit/popover.js
@@ -410,4 +410,25 @@ $(function () {
       $popover.trigger($.Event('click'))
     }, 200)
   })
+
+  QUnit.test('popover should call content function only once', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+    var nbCall = 0
+    $('<div id="popover" style="display:none">content</div>').appendTo('#qunit-fixture')
+    var $popover = $('<a href="#">@Johann-S</a>')
+      .appendTo('#qunit-fixture')
+      .bootstrapPopover({
+        content: function () {
+          nbCall++
+          return $('#popover').clone().show().get(0)
+        }
+      })
+      .on('shown.bs.popover', function () {
+        assert.strictEqual(nbCall, 1)
+        done()
+      })
+
+    $popover.trigger($.Event('click'))
+  })
 })
-- 
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