[Lens] Add a11y test suite

x-pack/plugins/lens/public/drag_drop/providers.tsx

@@ -171,7 +171,11 @@ export function ReorderProvider({
       <EuiPortal>
         <EuiScreenReaderOnly>
           <div>
-            <p id="lnsDragDrop-reorderAnnouncement" aria-live="assertive" aria-atomic={true}>
+            <p
+              id={`lnsDragDrop-reorderAnnouncement-${id}`}
+              aria-live="assertive"
+              aria-atomic={true}
+            >
               {state.keyboardReorderMessage}
             </p>
             <p id={`lnsDragDrop-reorderInstructions-${id}`}>

x-pack/test/accessibility/apps/lens.ts

@@ -0,0 +1,98 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { FtrProviderContext } from '../ftr_provider_context';
+
+export default function ({ getService, getPageObjects }: FtrProviderContext) {
+  const PageObjects = getPageObjects(['common', 'visualize', 'header', 'home', 'settings', 'lens']);
+  const a11y = getService('a11y');
+  const testSubjects = getService('testSubjects');
+  const listingTable = getService('listingTable');
+
+  describe('Lens', () => {
+    const lensChartName = 'MyLensChart';
+    before(async () => {
+      await PageObjects.common.navigateToUrl('home', '/tutorial_directory/sampleData', {
+        useActualUrl: true,
+      });
+      await PageObjects.home.addSampleDataSet('flights');
+    });
+
+    after(async () => {
+      await PageObjects.common.navigateToApp('visualize');
+      await listingTable.searchForItemWithName(lensChartName);
+      await listingTable.checkListingSelectAllCheckbox();
+      await listingTable.clickDeleteSelected();
+      await PageObjects.common.clickConfirmOnModal();
+    });
+
+    it('lens', async () => {
+      await PageObjects.visualize.navigateToNewVisualization();
+      await PageObjects.visualize.clickVisType('lens');
+      await a11y.testAppSnapshot();
+    });
+
+    it('lens chart', async () => {
+      await PageObjects.visualize.navigateToNewVisualization();
+      await PageObjects.visualize.clickVisType('lens');
+
+      await PageObjects.lens.configureDimension({
+        dimension: 'lnsXY_xDimensionPanel > lns-empty-dimension',
+        operation: 'date_histogram',
+        field: 'timestamp',
+      });
+
+      await PageObjects.lens.configureDimension({
+        dimension: 'lnsXY_yDimensionPanel > lns-empty-dimension',
+        operation: 'avg',
+        field: 'AvgTicketPrice',
+      });
+
+      await a11y.testAppSnapshot();
+    });
+
+    it('dimension configuration panel', async () => {
+      await PageObjects.visualize.navigateToNewVisualization();
+      await PageObjects.visualize.clickVisType('lens');
+
+      await PageObjects.lens.openDimensionEditor('lnsXY_xDimensionPanel > lns-empty-dimension');
+      await a11y.testAppSnapshot();
+
+      await PageObjects.lens.closeDimensionEditor();
+      await PageObjects.lens.openDimensionEditor('lnsXY_yDimensionPanel > lns-empty-dimension');
+      await a11y.testAppSnapshot();
+
+      await PageObjects.lens.closeDimensionEditor();
+    });
+
+    it('change chart type', async () => {
+      await PageObjects.lens.switchToVisualization('line');
+      await a11y.testAppSnapshot();
+    });
+
+    it('change chart type via suggestions', async () => {
+      await PageObjects.lens.configureDimension({
+        dimension: 'lnsXY_xDimensionPanel > lns-empty-dimension',
+        operation: 'date_histogram',
+        field: 'timestamp',
+      });
+
+      await PageObjects.lens.configureDimension({
+        dimension: 'lnsXY_yDimensionPanel > lns-empty-dimension',
+        operation: 'avg',
+        field: 'AvgTicketPrice',
+      });
+
+      await testSubjects.click('lnsSuggestion-barChart > lnsSuggestion');
+      await a11y.testAppSnapshot();
+    });
+
+    it('saves lens chart', async () => {
+      await PageObjects.lens.save(lensChartName);
+      await a11y.testAppSnapshot();
+    });
+  });
+}

x-pack/test/accessibility/config.ts

@@ -28,6 +28,7 @@ export default async function ({ readConfigFile }: FtrConfigProviderContext) {
       require.resolve('./apps/kibana_overview'),
       require.resolve('./apps/ingest_node_pipelines'),
       require.resolve('./apps/ml'),
+      require.resolve('./apps/lens'),
     ],
 
     pageObjects,