From d12012e4686e714073ad446934324e0fb525b506 Mon Sep 17 00:00:00 2001
From: Andrey Dolzhikov <eylau-andrew@mail.ru>
Date: Fri, 8 Sep 2023 09:35:50 +0300
Subject: [PATCH] T1187314 - DataGrid displays an incorrect row count in
 "aria-label" if there is no data after filtering (#25551)

Co-authored-by: Andrey Dolzhikov <andrey.dolzhikov@devexpress.com>
---
 .../grids/grid_core/views/m_grid_view.ts      |  3 ++-
 .../testing/testcafe/model/dataGrid/index.ts  |  4 ++++
 .../tests/dataGrid/accessibility/bugs.ts      | 23 +++++++++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 packages/devextreme/testing/testcafe/tests/dataGrid/accessibility/bugs.ts

diff --git a/packages/devextreme/js/__internal/grids/grid_core/views/m_grid_view.ts b/packages/devextreme/js/__internal/grids/grid_core/views/m_grid_view.ts
index fee6dbee21e6..2862c84985ed 100644
--- a/packages/devextreme/js/__internal/grids/grid_core/views/m_grid_view.ts
+++ b/packages/devextreme/js/__internal/grids/grid_core/views/m_grid_view.ts
@@ -119,10 +119,11 @@ const resizingControllerMembers = {
   },
 
   _setAriaLabel() {
+    const totalItemsCount = Math.max(0, this._dataController.totalItemsCount());
     this.component.setAria('label', messageLocalization.format(
       this._getWidgetAriaLabel(),
       // @ts-expect-error
-      this._dataController.totalItemsCount(),
+      totalItemsCount,
       this.component.columnCount(),
     ), this.component.$element().children(`.${GRIDBASE_CONTAINER_CLASS}`));
   },
diff --git a/packages/devextreme/testing/testcafe/model/dataGrid/index.ts b/packages/devextreme/testing/testcafe/model/dataGrid/index.ts
index 5c66070fad18..b215bb871dad 100644
--- a/packages/devextreme/testing/testcafe/model/dataGrid/index.ts
+++ b/packages/devextreme/testing/testcafe/model/dataGrid/index.ts
@@ -106,6 +106,10 @@ export default class DataGrid extends Widget {
     return Widget.addClassPrefix(this.getName(), className);
   }
 
+  getContainer(): Selector {
+    return this.element.find(`.${CLASS.dataGrid}`);
+  }
+
   getHeaders(): Headers {
     return new Headers(this.element.find(`.${this.addWidgetPrefix(CLASS.headers)}`), this.getName());
   }
diff --git a/packages/devextreme/testing/testcafe/tests/dataGrid/accessibility/bugs.ts b/packages/devextreme/testing/testcafe/tests/dataGrid/accessibility/bugs.ts
new file mode 100644
index 000000000000..c8ed2e5d3eb5
--- /dev/null
+++ b/packages/devextreme/testing/testcafe/tests/dataGrid/accessibility/bugs.ts
@@ -0,0 +1,23 @@
+import createWidget from '../../../helpers/createWidget';
+import url from '../../../helpers/getPageUrl';
+import DataGrid from '../../../model/dataGrid';
+
+fixture`Accessibility bugs`
+  .page(url(__dirname, '../../container.html'));
+
+test('T1187314 - DataGrid displays an incorrect row count in "aria-label" if there is no data after filtering', async (t) => {
+  const dataGrid = new DataGrid('#container');
+
+  await t
+    .expect(dataGrid.getContainer().getAttribute('aria-label'))
+    .eql('Data grid with 0 rows and 2 columns');
+}).before(async () => createWidget('dxDataGrid', {
+  keyExpr: 'id',
+  dataSource: [{
+    id: 0,
+    data: 'A',
+  }],
+  filterRow: { visible: true },
+  filterValue: ['id', '=', '1'],
+  scrolling: { mode: 'infinite' },
+}));