grid programme

node_modules/flickity/test/unit/cell-selector.js

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+QUnit.test( 'cellSelector', function( assert ) {
+  'use strict';
+
+  var elem = document.querySelector('#cell-selector');
+  var notCell1 = elem.querySelector('.not-cell1');
+  var notCell2 = elem.querySelector('.not-cell2');
+
+  var flkty = new Flickity( elem, {
+    cellSelector: '.cell'
+  });
+
+  var cellsMatchSelector = true;
+  for ( var i=0, len = flkty.cells.length; i < len; i++ ) {
+    var cell = flkty.cells[i];
+    var isMatch = matchesSelector( cell.element, flkty.options.cellSelector );
+    cellsMatchSelector = cellsMatchSelector && isMatch;
+  }
+
+  // getCellElements()
+  var cellElems = flkty.getCellElements();
+  var queriedCellElems = elem.querySelectorAll( flkty.options.cellSelector );
+  assert.equal( cellElems.length, flkty.cells.length, 'getCellElements returns corrent number of elements' );
+  for( i=0, len = cellElems.length; i < len; i++ ) {
+    assert.equal( cellElems[i], queriedCellElems[i], 'cell element same as queried cell element' );
+  }
+
+  assert.ok( cellsMatchSelector, 'all cell elements match cellSelector' );
+
+  assert.equal( notCell1.parentNode, elem, 'notCell1 parent node is still gallery' );
+  assert.equal( notCell2.parentNode, elem, 'notCell2 parent node is still gallery' );
+
+});