Fixes auto suggest in security solution

src/plugins/unified_search/public/query_string_input/query_string_input.tsx

@@ -31,11 +31,7 @@ import { compact, debounce, isEmpty, isEqual, isFunction, partition } from 'loda
 import { CoreStart, DocLinksStart, Toast } from '@kbn/core/public';
 import type { Query } from '@kbn/es-query';
 import { DataPublicPluginStart, getQueryLog } from '@kbn/data-plugin/public';
-import {
-  type DataView,
-  DataView as KibanaDataView,
-  DataViewsPublicPluginStart,
-} from '@kbn/data-views-plugin/public';
+import { type DataView, DataViewsPublicPluginStart } from '@kbn/data-views-plugin/public';
 import type { PersistedLog } from '@kbn/data-plugin/public';
 import { getFieldSubtypeNested, KIBANA_USER_QUERY_LANGUAGE_KEY } from '@kbn/data-plugin/common';
 import { toMountPoint } from '@kbn/kibana-react-plugin/public';
@@ -188,7 +184,7 @@ export default class QueryStringInputUI extends PureComponent<QueryStringInputPr
       QueryStringInputProps['indexPatterns'][number],
       DataView
     >(this.props.indexPatterns || [], (indexPattern): indexPattern is DataView => {
-      return indexPattern instanceof KibanaDataView;
+      return indexPattern.hasOwnProperty('fields') && indexPattern.hasOwnProperty('title');
     });
     const idOrTitlePatterns = stringPatterns.map((sp) =>
       typeof sp === 'string' ? { type: 'title', value: sp } : sp

x-pack/plugins/security_solution/cypress/e2e/header/search_bar.cy.ts

@@ -6,8 +6,17 @@
  */
 
 import { login, visit } from '../../tasks/login';
-import { openAddFilterPopover, fillAddFilterForm } from '../../tasks/search_bar';
-import { GLOBAL_SEARCH_BAR_FILTER_ITEM } from '../../screens/search_bar';
+import {
+  openAddFilterPopover,
+  fillAddFilterForm,
+  openKqlQueryBar,
+  fillKqlQueryBar,
+} from '../../tasks/search_bar';
+import {
+  AUTO_SUGGEST_AGENT_NAME,
+  AUTO_SUGGEST_HOST_NAME_VALUE,
+  GLOBAL_SEARCH_BAR_FILTER_ITEM,
+} from '../../screens/search_bar';
 import { getHostIpFilter } from '../../objects/filter';
 
 import { HOSTS_URL } from '../../urls/navigation';
@@ -29,4 +38,11 @@ describe('SearchBar', () => {
       `${getHostIpFilter().key}: ${getHostIpFilter().value}`
     );
   });
+
+  it('auto suggests fields from the data view and auto completes available field values', () => {
+    openKqlQueryBar();
+    cy.get(AUTO_SUGGEST_AGENT_NAME).should('be.visible');
+    fillKqlQueryBar(`host.name:`);
+    cy.get(AUTO_SUGGEST_HOST_NAME_VALUE).should('be.visible');
+  });
 });

x-pack/plugins/security_solution/cypress/screens/search_bar.ts

@@ -32,3 +32,10 @@ export const GLOBAL_SEARCH_BAR_FILTER_ITEM = '#popoverFor_filter0';
 export const GLOBAL_SEARCH_BAR_FILTER_ITEM_AT = (value: number) => `#popoverFor_filter${value}`;
 
 export const GLOBAL_SEARCH_BAR_PINNED_FILTER = '.globalFilterItem-isPinned';
+
+export const GLOBAL_KQL_INPUT =
+  '[data-test-subj="filters-global-container"] [data-test-subj="unifiedQueryInput"] textarea';
+
+export const AUTO_SUGGEST_AGENT_NAME = `[data-test-subj="autocompleteSuggestion-field-agent.name-"]`;
+
+export const AUTO_SUGGEST_HOST_NAME_VALUE = `[data-test-subj='autocompleteSuggestion-value-"siem-kibana"-']`;

x-pack/plugins/security_solution/cypress/tasks/search_bar.ts

@@ -16,6 +16,7 @@ import {
   ADD_FILTER_FORM_OPERATOR_FIELD,
   ADD_FILTER_FORM_FIELD_OPTION,
   ADD_FILTER_FORM_FILTER_VALUE_INPUT,
+  GLOBAL_KQL_INPUT,
 } from '../screens/search_bar';
 
 export const openAddFilterPopover = () => {
@@ -24,6 +25,16 @@ export const openAddFilterPopover = () => {
   cy.get(GLOBAL_SEARCH_BAR_ADD_FILTER).click();
 };
 
+export const openKqlQueryBar = () => {
+  cy.get(GLOBAL_KQL_INPUT).should('be.visible');
+  cy.get(GLOBAL_KQL_INPUT).click();
+};
+
+export const fillKqlQueryBar = (query: string) => {
+  cy.get(GLOBAL_KQL_INPUT).should('be.visible');
+  cy.get(GLOBAL_KQL_INPUT).type(query);
+};
+
 export const fillAddFilterForm = ({ key, value, operator }: SearchBarFilter) => {
   cy.get(ADD_FILTER_FORM_FIELD_INPUT).should('exist');
   cy.get(ADD_FILTER_FORM_FIELD_INPUT).should('be.visible');