Merge pull request #14590 from twbs/carousel-keyboard-option

Add `keyboard` option to carousel

1 files changed, 79 insertions, 0 deletions

diff --git a/js/tests/unit/carousel.js b/js/tests/unit/carousel.js
index 64d214462..6f0b9642f 100644
--- a/js/tests/unit/carousel.js
+++ b/js/tests/unit/carousel.js
@@ -399,6 +399,85 @@ $(function () {
     strictEqual($template.find('.item')[1], $template.find('.active')[0], 'second item active')
   })
 
+  test('should go to previous item if left arrow key is pressed', function () {
+    var templateHTML = '<div id="myCarousel" class="carousel" data-interval="false">'
+        + '<div class="carousel-inner">'
+        + '<div id="first" class="item">'
+        + '<img alt="">'
+        + '</div>'
+        + '<div id="second" class="item active">'
+        + '<img alt="">'
+        + '</div>'
+        + '<div id="third" class="item">'
+        + '<img alt="">'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $template = $(templateHTML)
+
+    $template.bootstrapCarousel()
+
+    strictEqual($template.find('.item')[1], $template.find('.active')[0], 'second item active')
+
+    $template.trigger($.Event('keydown', { which: 37 }))
+
+    strictEqual($template.find('.item')[0], $template.find('.active')[0], 'first item active')
+  })
+
+  test('should go to next item if right arrow key is pressed', function () {
+    var templateHTML = '<div id="myCarousel" class="carousel" data-interval="false">'
+        + '<div class="carousel-inner">'
+        + '<div id="first" class="item active">'
+        + '<img alt="">'
+        + '</div>'
+        + '<div id="second" class="item">'
+        + '<img alt="">'
+        + '</div>'
+        + '<div id="third" class="item">'
+        + '<img alt="">'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $template = $(templateHTML)
+
+    $template.bootstrapCarousel()
+
+    strictEqual($template.find('.item')[0], $template.find('.active')[0], 'first item active')
+
+    $template.trigger($.Event('keydown', { which: 39 }))
+
+    strictEqual($template.find('.item')[1], $template.find('.active')[0], 'second item active')
+  })
+
+  test('should support disabling the keyboard navigation', function () {
+    var templateHTML = '<div id="myCarousel" class="carousel" data-interval="false" data-keyboard="false">'
+        + '<div class="carousel-inner">'
+        + '<div id="first" class="item active">'
+        + '<img alt="">'
+        + '</div>'
+        + '<div id="second" class="item">'
+        + '<img alt="">'
+        + '</div>'
+        + '<div id="third" class="item">'
+        + '<img alt="">'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $template = $(templateHTML)
+
+    $template.bootstrapCarousel()
+
+    strictEqual($template.find('.item')[0], $template.find('.active')[0], 'first item active')
+
+    $template.trigger($.Event('keydown', { which: 39 }))
+
+    strictEqual($template.find('.item')[0], $template.find('.active')[0], 'first item still active after right arrow press')
+
+    $template.trigger($.Event('keydown', { which: 37 }))
+
+    strictEqual($template.find('.item')[0], $template.find('.active')[0], 'first item still active after left arrow press')
+  })
+
   test('should only add mouseenter and mouseleave listeners when not on mobile', function () {
     var isMobile     = 'ontouchstart' in document.documentElement
     var templateHTML = '<div id="myCarousel" class="carousel" data-interval="false" data-pause="hover">'