[Security Solution][Data Quality Dashboard] fix pattern state reset on ilm phase filter change

x-pack/packages/security-solution/ecs_data_quality_dashboard/impl/data_quality_panel/hooks/use_results_rollup/hooks/use_stored_pattern_results/index.test.tsx

@@ -0,0 +1,108 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { renderHook } from '@testing-library/react-hooks';
+import { notificationServiceMock } from '@kbn/core-notifications-browser-mocks';
+
+import { getHistoricalResultStub } from '../../../../stub/get_historical_result_stub';
+import { useStoredPatternResults } from '.';
+
+describe('useStoredPatternResults', () => {
+  const httpFetch = jest.fn();
+  const mockToasts = notificationServiceMock.createStartContract().toasts;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  describe('when patterns are empty', () => {
+    it('should return an empty array and not call getStorageResults', () => {
+      const { result } = renderHook(() => useStoredPatternResults([], mockToasts, httpFetch));
+
+      expect(result.current).toEqual([]);
+      expect(httpFetch).not.toHaveBeenCalled();
+    });
+  });
+
+  describe('when patterns are provided', () => {
+    it('should fetch and return stored pattern results correctly', async () => {
+      const patterns = ['pattern1-*', 'pattern2-*'];
+
+      httpFetch.mockImplementation((path: string) => {
+        if (path === '/internal/ecs_data_quality_dashboard/results_latest/pattern1-*') {
+          return Promise.resolve([getHistoricalResultStub('pattern1-index1')]);
+        }
+
+        if (path === '/internal/ecs_data_quality_dashboard/results_latest/pattern2-*') {
+          return Promise.resolve([getHistoricalResultStub('pattern2-index1')]);
+        }
+
+        return Promise.reject(new Error('Invalid path'));
+      });
+
+      const { result, waitFor } = renderHook(() =>
+        useStoredPatternResults(patterns, mockToasts, httpFetch)
+      );
+
+      await waitFor(() => result.current.length > 0);
+
+      expect(httpFetch).toHaveBeenCalledTimes(2);
+
+      expect(httpFetch).toHaveBeenCalledWith(
+        '/internal/ecs_data_quality_dashboard/results_latest/pattern1-*',
+        {
+          method: 'GET',
+          signal: expect.any(AbortSignal),
+          version: '1',
+        }
+      );
+      expect(httpFetch).toHaveBeenCalledWith(
+        '/internal/ecs_data_quality_dashboard/results_latest/pattern2-*',
+        {
+          method: 'GET',
+          signal: expect.any(AbortSignal),
+          version: '1',
+        }
+      );
+
+      expect(result.current).toEqual([
+        {
+          pattern: 'pattern1-*',
+          results: {
+            'pattern1-index1': {
+              docsCount: expect.any(Number),
+              error: null,
+              ilmPhase: expect.any(String),
+              incompatible: expect.any(Number),
+              indexName: 'pattern1-index1',
+              pattern: 'pattern1-*',
+              markdownComments: expect.any(Array),
+              sameFamily: expect.any(Number),
+              checkedAt: expect.any(Number),
+            },
+          },
+        },
+        {
+          pattern: 'pattern2-*',
+          results: {
+            'pattern2-index1': {
+              docsCount: expect.any(Number),
+              error: null,
+              ilmPhase: expect.any(String),
+              incompatible: expect.any(Number),
+              indexName: 'pattern2-index1',
+              pattern: 'pattern2-*',
+              markdownComments: expect.any(Array),
+              sameFamily: expect.any(Number),
+              checkedAt: expect.any(Number),
+            },
+          },
+        },
+      ]);
+    });
+  });
+});

x-pack/packages/security-solution/ecs_data_quality_dashboard/impl/data_quality_panel/hooks/use_results_rollup/hooks/use_stored_pattern_results/index.tsx

@@ -0,0 +1,53 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+import { useEffect, useState } from 'react';
+import { IToasts } from '@kbn/core-notifications-browser';
+import { HttpHandler } from '@kbn/core-http-browser';
+import { isEmpty } from 'lodash/fp';
+
+import { DataQualityCheckResult } from '../../../../types';
+import { formatResultFromStorage, getStorageResults } from '../../utils/storage';
+
+export const useStoredPatternResults = (
+  patterns: string[],
+  toasts: IToasts,
+  httpFetch: HttpHandler
+) => {
+  const [storedPatternResults, setStoredPatternResults] = useState<
+    Array<{ pattern: string; results: Record<string, DataQualityCheckResult> }>
+  >([]);
+
+  useEffect(() => {
+    if (isEmpty(patterns)) {
+      return;
+    }
+
+    const abortController = new AbortController();
+    const fetchStoredPatternResults = async () => {
+      const requests = patterns.map((pattern) =>
+        getStorageResults({ pattern, httpFetch, abortController, toasts }).then((results = []) => ({
+          pattern,
+          results: Object.fromEntries(
+            results.map((storageResult) => [
+              storageResult.indexName,
+              formatResultFromStorage({ storageResult, pattern }),
+            ])
+          ),
+        }))
+      );
+
+      const patternResults = await Promise.all(requests);
+      if (patternResults?.length) {
+        setStoredPatternResults(patternResults);
+      }
+    };
+
+    fetchStoredPatternResults();
+  }, [httpFetch, patterns, toasts]);
+
+  return storedPatternResults;
+};