support drag and drop for playlist items

dashboard-ui/bower_components/dragula.js/test/remove.js

@@ -0,0 +1,106 @@
+'use strict';
+
+var test = require('tape');
+var events = require('./lib/events');
+var dragula = require('..');
+
+test('remove does not throw when not dragging', function (t) {
+  t.test('a single time', function once (st) {
+    var drake = dragula();
+    st.doesNotThrow(function () {
+      drake.remove();
+    }, 'dragula ignores a single call to drake.remove');
+    st.end();
+  });
+  t.test('multiple times', function once (st) {
+    var drake = dragula();
+    st.doesNotThrow(function () {
+      drake.remove();
+      drake.remove();
+      drake.remove();
+      drake.remove();
+    }, 'dragula ignores multiple calls to drake.remove');
+    st.end();
+  });
+  t.end();
+});
+
+test('when dragging and remove gets called, element is removed', function (t) {
+  var div = document.createElement('div');
+  var item = document.createElement('div');
+  var drake = dragula([div]);
+  div.appendChild(item);
+  document.body.appendChild(div);
+  drake.start(item);
+  drake.remove();
+  t.equal(div.children.length, 0, 'item got removed from container');
+  t.equal(drake.dragging, false, 'drake has stopped dragging');
+  t.end();
+});
+
+test('when dragging and remove gets called, remove event is emitted', function (t) {
+  var div = document.createElement('div');
+  var item = document.createElement('div');
+  var drake = dragula([div]);
+  div.appendChild(item);
+  document.body.appendChild(div);
+  drake.start(item);
+  drake.on('remove', remove);
+  drake.on('dragend', dragend);
+  drake.remove();
+  t.plan(3);
+  t.end();
+  function dragend () {
+    t.pass('dragend got called');
+  }
+  function remove (target, container) {
+    t.equal(target, item, 'remove was invoked with item');
+    t.equal(container, div, 'remove was invoked with container');
+  }
+});
+
+test('when dragging a copy and remove gets called, cancel event is emitted', function (t) {
+  var div = document.createElement('div');
+  var item = document.createElement('div');
+  var drake = dragula([div], { copy: true });
+  div.appendChild(item);
+  document.body.appendChild(div);
+  events.raise(item, 'mousedown', { which: 0 });
+  events.raise(item, 'mousemove', { which: 0 });
+  drake.on('cancel', cancel);
+  drake.on('dragend', dragend);
+  drake.remove();
+  t.plan(4);
+  t.end();
+  function dragend () {
+    t.pass('dragend got called');
+  }
+  function cancel (target, container) {
+    t.equal(target.className, 'gu-transit', 'cancel was invoked with item');
+    t.notEqual(target, item, 'item is a copy and not the original');
+    t.equal(container, null, 'cancel was invoked with container');
+  }
+});
+
+test('when dragging a copy and remove gets called, cancel event is emitted', function (t) {
+  var div = document.createElement('div');
+  var item = document.createElement('div');
+  var drake = dragula([div], { copy: true });
+  div.appendChild(item);
+  document.body.appendChild(div);
+  events.raise(item, 'mousedown', { which: 0 });
+  events.raise(item, 'mousemove', { which: 0 });
+  drake.on('cancel', cancel);
+  drake.on('dragend', dragend);
+  drake.remove();
+  t.plan(4);
+  t.end();
+  function dragend () {
+    t.pass('dragend got called');
+  }
+  function cancel (target, container) {
+    t.equal(target.className, 'gu-transit', 'cancel was invoked with item');
+    t.notEqual(target, item, 'item is a copy and not the original');
+    t.equal(container, null, 'cancel was invoked with container');
+  }
+});