DataGrid - AI Assistant: Add e2e tests

e2e/testcafe-devextreme/tests/dataGrid/common/aiAssistant/helpers/aiMock.ts

@@ -0,0 +1,101 @@
+interface MockSendRequestOptions {
+  response?: Record<string, unknown>;
+  reject?: boolean;
+  error?: Error | string;
+  delay?: number;
+}
+
+/**
+ * Creates an AIIntegration mock config for use inside createWidget's client-side callback.
+ * Must be called inside createWidget(() => ({ ... })) since it uses window.DevExpress.
+ *
+ * @example
+ * ```ts
+ * await createWidget('dxDataGrid', () => ({
+ *   ...getGridConfig(),
+ *   aiAssistant: {
+ *     enabled: true,
+ *     aiIntegration: createAIIntegrationMock({
+ *       response: {
+ *          actions: [
+ *            {
+ *              name: 'sorting',
+ *              args: { dataField: 'name', sortOrder: 'asc' }
+ *            }
+ *          ]
+ *        },
+ *     }),
+ *   },
+ * }));
+ * ```
+ */
+export function createAIIntegrationMock(options: MockSendRequestOptions): any {
+  const {
+    response, reject, error, delay,
+  } = options;
+
+  return new (window as any).DevExpress.aiIntegration.AIIntegration({
+    sendRequest() {
+      let aborted = false;
+
+      const promise = new Promise<any>((resolve, rejectFn) => {
+        const handle = (): void => {
+          if (aborted) return;
+
+          if (reject) {
+            rejectFn(error instanceof Error ? error : new Error(error ?? 'Mock error'));
+          } else {
+            resolve(response ?? { actions: [] });
+          }
+        };
+
+        if (delay) {
+          setTimeout(handle, delay);
+        } else {
+          // Use microtask to simulate async behavior
+          Promise.resolve().then(handle);
+        }
+      });
+
+      return {
+        promise,
+        abort: (): void => { aborted = true; },
+      };
+    },
+  });
+}
+
+/**
+ * Creates an AIIntegration mock that never resolves (for testing pending/in-flight states).
+ */
+export function createPendingAIIntegrationMock(): any {
+  return new (window as any).DevExpress.aiIntegration.AIIntegration({
+    sendRequest() {
+      return {
+        promise: new Promise(() => {}),
+        abort: (): void => {},
+      };
+    },
+  });
+}
+
+/**
+ * Creates an AIIntegration mock that captures sendRequest calls for inspection.
+ * The captured requests are stored in window.__aiRequests.
+ */
+export function createCapturingAIIntegrationMock(
+  response: Record<string, unknown>,
+): any {
+  (window as any).__aiRequests = [];
+
+  return new (window as any).DevExpress.aiIntegration.AIIntegration({
+    sendRequest(params: any) {
+      (window as any).__aiRequests.push(params);
+
+      return {
+        promise: Promise.resolve(response),
+        abort: (): void => {},
+      };
+    },
+  });
+}

e2e/testcafe-devextreme/tests/dataGrid/common/aiAssistant/helpers/testData.ts

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+export const GRID_SELECTOR = '#container';
+
+export const SIMPLE_DATA = [
+  { id: 1, name: 'Alice', value: 30 },
+  { id: 2, name: 'Bob', value: 20 },
+  { id: 3, name: 'Charlie', value: 10 },
+];
+
+export const PAGED_DATA = Array.from({ length: 20 }, (_, i) => ({
+  id: i + 1,
+  name: `Name ${i + 1}`,
+  value: (i + 1) * 10,
+}));
+
+export const DEFAULT_COLUMNS = ['id', 'name', 'value'];
+
+export function getBaseGridConfig(): Record<string, unknown> {
+  return {
+    dataSource: SIMPLE_DATA,
+    keyExpr: 'id',
+    columns: DEFAULT_COLUMNS,
+    showBorders: true,
+  };
+}
+
+export function getPagedGridConfig(): Record<string, unknown> {
+  return {
+    dataSource: PAGED_DATA,
+    keyExpr: 'id',
+    columns: DEFAULT_COLUMNS,
+    showBorders: true,
+    paging: {
+      pageSize: 5,
+    },
+  };
+}