test: extract keyboard interaction mode tests (#7992) (#8008)

Co-authored-by: Sergey Vinogradov <mr.vursen@gmail.com>
Co-authored-by: Serhii Kulykov <iamkulykov@gmail.com>

Author: 3 people

packages/grid/test/helpers.js

@@ -293,3 +293,18 @@ export async function onceResized(grid) {
 export const shiftClick = (node) => {
   node.dispatchEvent(new MouseEvent('click', { shiftKey: true }));
 };
+
+export function getFocusedCellIndex(grid) {
+  const focusedCell = grid.shadowRoot.activeElement;
+  if (focusedCell instanceof HTMLTableCellElement) {
+    return [...focusedCell.parentNode.children].indexOf(focusedCell);
+  }
+  return -1;
+}
+
+export function getFocusedRowIndex(grid) {
+  const activeElement = grid.shadowRoot.activeElement;
+  const focusedRow = activeElement instanceof HTMLTableRowElement ? activeElement : activeElement.parentNode;
+  const section = focusedRow.parentNode;
+  return section === grid.$.items ? focusedRow.index : [...section.children].indexOf(focusedRow);
+}

packages/grid/test/keyboard-interaction-mode-lit.test.js

@@ -0,0 +1,3 @@
+import '../theme/lumo/lit-all-imports.js';
+import '../src/lit-all-imports.js';
+import './keyboard-interaction-mode.common.js';

packages/grid/test/keyboard-interaction-mode-polymer.test.js

@@ -0,0 +1,2 @@
+import '../all-imports.js';
+import './keyboard-interaction-mode.common.js';