fix(unit-test): dropdown, collapse and carousel

js/src/dropdown.js

@@ -479,7 +479,7 @@ class Dropdown {
         EventHandler.trigger(SelectorEngine.findOne(Selector.DATA_TOGGLE, parent), 'focus')
       }
 
-      EventHandler.trigger(this, 'click')
+      Dropdown._clearMenus()
       return
     }
 

js/tests/unit/carousel.js

@@ -676,7 +676,7 @@ $(function () {
     $template.bootstrapCarousel()
     var done = assert.async()
 
-    function handlerKeydown() {
+    function handlerKeydown(event) {
       assert.strictEqual(event.defaultPrevented, false)
       $template[0].removeEventListener('keydown', handlerKeydown)
     }
@@ -687,7 +687,7 @@ $(function () {
     keyDown.which = 40
     $template[0].dispatchEvent(keyDown)
 
-    function handlerKeydown2() {
+    function handlerKeydown2(event) {
       assert.strictEqual(event.defaultPrevented, false)
       $template[0].addEventListener('keydown', handlerKeydown2)
       done()

js/tests/unit/collapse.js

@@ -73,7 +73,7 @@ $(function () {
       assert.ok(!/height/i.test($el2.attr('style')), 'has height reset')
       done()
     })
-    $target[0].dispatchEvent(new Event('click'))
+    $target[0].click()
   })
 
   QUnit.test('should collapse only the first collapse', function (assert) {
@@ -760,11 +760,11 @@ $(function () {
           assert.ok($trigger3.hasClass('collapsed'), 'trigger3 has collapsed class')
           done()
         })
-        $trigger1[0].dispatchEvent(new Event('click'))
+        $trigger1[0].click()
       })
-      $trigger2[0].dispatchEvent(new Event('click'))
+      $trigger2[0].click()
     })
-    $trigger3[0].dispatchEvent(new Event('click'))
+    $trigger3[0].click()
   })
 
   QUnit.test('should set aria-expanded="true" to triggers targeting shown collaspe and aria-expanded="false" only when all the targeted collapses are shown', function (assert) {
@@ -792,11 +792,11 @@ $(function () {
           assert.strictEqual($trigger3.attr('aria-expanded'), 'false', 'aria-expanded on trigger3 is "false"')
           done()
         })
-        $trigger1[0].dispatchEvent(new Event('click'))
+        $trigger1[0].click()
       })
-      $trigger2[0].dispatchEvent(new Event('click'))
+      $trigger2[0].click()
     })
-    $trigger3[0].dispatchEvent(new Event('click'))
+    $trigger3[0].click()
   })
 
   QUnit.test('should not prevent interactions inside the collapse element', function (assert) {

js/tests/unit/dropdown.js

@@ -663,6 +663,8 @@ $(function () {
         $dropdown[0].dispatchEvent(keydown40)
         assert.ok($(document.activeElement).is($('#item1')), 'item1 is focused')
 
+        keydown40 = new Event('keydown')
+        keydown40.which = 40
         document.activeElement.dispatchEvent(keydown40)
         assert.ok($(document.activeElement).is($('#item2')), 'item2 is focused')
 
@@ -899,11 +901,15 @@ $(function () {
 
                 assert.ok(document.activeElement === $('#item1')[0], 'item1 is focused')
                 done()
-              }).bootstrapDropdown('toggle')
+              })
-            $input[0].dispatchEvent(new Event('click'))
+              .bootstrapDropdown('toggle')
+
+            $input.bootstrapDropdown('toggle')
           })
-        $input[0].dispatchEvent(new Event('click'))
+
+        $input.bootstrapDropdown('toggle')
       })
+
     $input[0].dispatchEvent(new Event('click'))
   })
 
@@ -973,10 +979,13 @@ $(function () {
 
                 assert.ok(document.activeElement === $('#item1')[0], 'item1 is focused')
                 done()
-              }).bootstrapDropdown('toggle')
+              })
-            $textarea[0].dispatchEvent(new Event('click'))
+              .bootstrapDropdown('toggle')
+
+            $textarea.bootstrapDropdown('toggle')
           })
-        $textarea[0].dispatchEvent(new Event('click'))
+
+        $textarea.bootstrapDropdown('toggle')
       })
     $textarea[0].dispatchEvent(new Event('click'))
   })

js/tests/visual/dropdown.html

@@ -211,6 +211,7 @@
 
     <script src="../../../node_modules/jquery/dist/jquery.slim.min.js"></script>
     <script src="../../../node_modules/popper.js/dist/umd/popper.min.js"></script>
+    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/eventHandler.js"></script>
     <script src="../../dist/dom/data.js"></script>
     <script src="../../dist/dom/selectorEngine.js"></script>