[8.16] [ML] Memory usage: Functional tests (#197415) (#197808)

# Backport

This will backport the following commits from `main` to `8.16`:
- [[ML] Memory usage: Functional tests
(#197415)](https://github.com/elastic/kibana/pull/197415)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Robert
Jaszczurek","email":"92210485+rbrtj@users.noreply.github.com"},"sourceCommit":{"committedDate":"2024-10-25T11:39:38Z","message":"[ML]
Memory usage: Functional tests (#197415)\n\n## Summary\r\n\r\nFunctional
tests for `memory usage` page in
ML.","sha":"479280c0b74747056634421c9b9e05f94a3c7e07","branchLabelMapping":{"^v9.0.0$":"main","^v8.17.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["non-issue",":ml","release_note:skip","v9.0.0","Team:ML","v8.16.0","backport:version","v8.17.0"],"title":"[ML]
Memory usage: Functional
tests","number":197415,"url":"https://github.com/elastic/kibana/pull/197415","mergeCommit":{"message":"[ML]
Memory usage: Functional tests (#197415)\n\n## Summary\r\n\r\nFunctional
tests for `memory usage` page in
ML.","sha":"479280c0b74747056634421c9b9e05f94a3c7e07"}},"sourceBranch":"main","suggestedTargetBranches":["8.16","8.x"],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/197415","number":197415,"mergeCommit":{"message":"[ML]
Memory usage: Functional tests (#197415)\n\n## Summary\r\n\r\nFunctional
tests for `memory usage` page in
ML.","sha":"479280c0b74747056634421c9b9e05f94a3c7e07"}},{"branch":"8.16","label":"v8.16.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"8.x","label":"v8.17.0","branchLabelMappingKey":"^v8.17.0$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Robert Jaszczurek <92210485+rbrtj@users.noreply.github.com>

.buildkite/ftr_platform_stateful_configs.yml

@@ -249,6 +249,7 @@ enabled:
   - x-pack/test/functional/apps/ml/permissions/config.ts
   - x-pack/test/functional/apps/ml/short_tests/config.ts
   - x-pack/test/functional/apps/ml/stack_management_jobs/config.ts
+  - x-pack/test/functional/apps/ml/memory_usage/config.ts
   - x-pack/test/functional/apps/monitoring/config.ts
   - x-pack/test/functional/apps/painless_lab/config.ts
   - x-pack/test/functional/apps/remote_clusters/config.ts

x-pack/plugins/ml/public/application/memory_usage/memory_tree_map/tree_map.tsx

@@ -161,7 +161,7 @@ export const JobMemoryTreeMap: FC<Props> = ({ node, type, height }) => {
           options={typeOptions}
           selectedOptions={selectedOptions ?? []}
           onChange={setSelectedOptions}
-          isClearable={false}
+          data-test-subj="mlJobTreeMapComboBox"
         />
 
         <EuiSpacer size="s" />

x-pack/plugins/ml/public/application/memory_usage/memory_usage_page.tsx

@@ -50,16 +50,18 @@ export const MemoryUsagePage: FC = () => {
 
       {showNodeInfo ? (
         <>
-          <EuiTabs>
+          <EuiTabs data-test-subj="mlMemoryUsageTabs">
             <EuiTab
               isSelected={selectedTab === TAB.NODES}
               onClick={() => setSelectedTab(TAB.NODES)}
+              data-test-subj="mlMemoryUsageTab-nodes"
             >
               <FormattedMessage id="xpack.ml.memoryUsage.nodesTab" defaultMessage="Nodes" />
             </EuiTab>
             <EuiTab
               isSelected={selectedTab === TAB.MEMORY_USAGE}
               onClick={() => setSelectedTab(TAB.MEMORY_USAGE)}
+              data-test-subj="mlMemoryUsageTab-memory-usage"
             >
               <FormattedMessage id="xpack.ml.memoryUsage.memoryTab" defaultMessage="Memory usage" />
             </EuiTab>

x-pack/plugins/ml/public/application/memory_usage/nodes_overview/expanded_row.tsx

@@ -64,6 +64,7 @@ export const ExpandedRow: FC<ExpandedRowProps> = ({ item }) => {
         <EuiTab
           isSelected={selectedTab === TAB.DETAILS}
           onClick={() => setSelectedTab(TAB.DETAILS)}
+          data-test-subj="mlNodesOverviewPanelDetailsTab"
         >
           <FormattedMessage
             id="xpack.ml.trainedModels.nodesList.expandedRow.detailsTabTitle"
@@ -73,6 +74,7 @@ export const ExpandedRow: FC<ExpandedRowProps> = ({ item }) => {
         <EuiTab
           isSelected={selectedTab === TAB.MEMORY_USAGE}
           onClick={() => setSelectedTab(TAB.MEMORY_USAGE)}
+          data-test-subj="mlNodesOverviewPanelMemoryTab"
         >
           <FormattedMessage
             id="xpack.ml.trainedModels.nodesList.expandedRow.memoryTabTitle"
@@ -85,7 +87,7 @@ export const ExpandedRow: FC<ExpandedRowProps> = ({ item }) => {
         <>
           <EuiSpacer size="s" />
           <EuiFlexGrid columns={2} gutterSize={'s'}>
-            <EuiFlexItem>
+            <EuiFlexItem data-test-subj="mlNodesTableRowDetailsPanel">
               <EuiPanel hasShadow={false}>
                 <EuiTitle size={'xs'}>
                   <h5>
@@ -104,7 +106,7 @@ export const ExpandedRow: FC<ExpandedRowProps> = ({ item }) => {
               </EuiPanel>
             </EuiFlexItem>
 
-            <EuiFlexItem>
+            <EuiFlexItem data-test-subj="mlNodesTableRowDetailsAttributesPanel">
               <EuiPanel hasShadow={false}>
                 <EuiTitle size={'xs'}>
                   <h5>

x-pack/plugins/ml/public/application/memory_usage/nodes_overview/nodes_list.tsx

@@ -185,6 +185,7 @@ export const NodesList: FC<NodesListProps> = ({ compactView = false }) => {
     },
     box: {
       incremental: true,
+      'data-test-subj': 'mlNodesTableSearchInput',
     },
   };
 

x-pack/plugins/ml/public/application/routing/routes/memory_usage.tsx

@@ -39,6 +39,7 @@ export const nodesListRouteFactory = (
     },
   ],
   enableDatePicker: true,
+  'data-test-subj': 'mlPageMemoryUsage',
 });
 
 const PageWrapper: FC = () => {

x-pack/test/functional/apps/ml/memory_usage/config.ts

@@ -0,0 +1,20 @@
+/*
+ * 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 { FtrConfigProviderContext } from '@kbn/test';
+
+export default async function ({ readConfigFile }: FtrConfigProviderContext) {
+  const functionalConfig = await readConfigFile(require.resolve('../../../config.base.js'));
+
+  return {
+    ...functionalConfig.getAll(),
+    testFiles: [require.resolve('.')],
+    junit: {
+      reportName: 'Chrome X-Pack UI Functional Tests - ML memory_usage',
+    },
+  };
+}

x-pack/test/functional/apps/ml/memory_usage/index.ts

@@ -0,0 +1,33 @@
+/*
+ * 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 { FtrProviderContext } from '../../../ftr_provider_context';
+
+export default function ({ getService, loadTestFile }: FtrProviderContext) {
+  const ml = getService('ml');
+
+  describe('machine learning - overview page', function () {
+    this.tags(['skipFirefox']);
+
+    before(async () => {
+      await ml.securityCommon.createMlRoles();
+      await ml.securityCommon.createMlUsers();
+      await ml.securityUI.loginAsMlPowerUser();
+    });
+
+    after(async () => {
+      await ml.securityUI.logout();
+
+      await ml.securityCommon.cleanMlUsers();
+      await ml.securityCommon.cleanMlRoles();
+
+      await ml.testResources.resetKibanaTimeZone();
+    });
+
+    loadTestFile(require.resolve('./memory_usage_page'));
+  });
+}

x-pack/test/functional/apps/ml/memory_usage/memory_usage_page.ts

@@ -0,0 +1,72 @@
+/*
+ * 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 { FtrProviderContext } from '../../../ftr_provider_context';
+
+export default function ({ getService }: FtrProviderContext) {
+  const ml = getService('ml');
+  const esArchiver = getService('esArchiver');
+
+  const jobId = 'sample_job';
+
+  describe('ML memory usage page', function () {
+    this.tags(['ml']);
+
+    before(async () => {
+      await esArchiver.loadIfNeeded('x-pack/test/functional/es_archives/ml/farequote');
+
+      const jobConfig = ml.commonConfig.getADFqSingleMetricJobConfig(jobId);
+
+      // Create and open AD job
+      await ml.api.createAnomalyDetectionJob(jobConfig);
+      await ml.api.openAnomalyDetectionJob(jobId);
+
+      await ml.navigation.navigateToMl();
+      await ml.navigation.navigateToMemoryUsage();
+    });
+
+    after(async () => {
+      await ml.api.closeAnomalyDetectionJob(jobId);
+      await ml.api.cleanMlIndices();
+    });
+
+    it('opens page with nodes tab selected', async () => {
+      await ml.memoryUsage.assertMemoryUsageTabIsSelected('nodes');
+    });
+
+    it('allows sorting', async () => {
+      await ml.memoryUsage.sortColumn('tableHeaderCell_name_1');
+      await ml.memoryUsage.assertColumnIsSorted('tableHeaderCell_name_1', 'descending');
+    });
+
+    it('allows searching for a node', async () => {
+      await ml.memoryUsage.searchForNode('ftr');
+      await ml.memoryUsage.assertRowCount(1);
+    });
+
+    it('expands node details and displays memory usage details', async () => {
+      await ml.memoryUsage.expandRow();
+      await ml.memoryUsage.assertNodeExpandedDetailsPanelsExist();
+      await ml.memoryUsage.selectNodeExpandedRowTab('mlNodesOverviewPanelMemoryTab');
+      await ml.memoryUsage.assertChartItemsSelectedByDefault();
+      await ml.memoryUsage.assertTreeChartExists();
+    });
+
+    it('clears selected chart items', async () => {
+      await ml.memoryUsage.clearSelectedChartItems();
+      await ml.memoryUsage.assertEmptyTreeChartExists();
+    });
+
+    it('selects memory usage tab and displays chart', async () => {
+      await ml.memoryUsage.selectTab('memory-usage');
+      await ml.memoryUsage.assertTreeChartExists();
+
+      await ml.memoryUsage.clearSelectedChartItems();
+      await ml.memoryUsage.assertEmptyTreeChartExists();
+    });
+  });
+}

x-pack/test/functional/services/ml/index.ts

@@ -69,6 +69,8 @@ import { MlTableServiceProvider } from './common_table_service';
 import { MachineLearningFieldStatsFlyoutProvider } from './field_stats_flyout';
 import { MachineLearningDataDriftProvider } from './data_drift';
 import { TrainedModelsFlyoutProvider } from './add_trained_models_flyout';
+import { MachineLearningMemoryUsageProvider } from './memory_usage';
+
 export function MachineLearningProvider(context: FtrProviderContext) {
   const commonAPI = MachineLearningCommonAPIProvider(context);
   const commonUI = MachineLearningCommonUIProvider(context);
@@ -178,7 +180,7 @@ export function MachineLearningProvider(context: FtrProviderContext) {
   const deployDFAModelFlyout = DeployDFAModelFlyoutProvider(context, commonUI);
   const mlNodesPanel = MlNodesPanelProvider(context);
   const notifications = NotificationsProvider(context, commonUI, tableService);
-
+  const memoryUsage = MachineLearningMemoryUsageProvider(context);
   const cases = MachineLearningCasesProvider(context, swimLane, anomalyCharts);
 
   return {
@@ -244,5 +246,6 @@ export function MachineLearningProvider(context: FtrProviderContext) {
     trainedModelsFlyout,
     deployDFAModelFlyout,
     trainedModelsTable,
+    memoryUsage,
   };
 }

x-pack/test/functional/services/ml/memory_usage.ts

@@ -0,0 +1,107 @@
+/*
+ * 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 expect from '@kbn/expect';
+import { FtrProviderContext } from '../../ftr_provider_context';
+
+export function MachineLearningMemoryUsageProvider({ getService }: FtrProviderContext) {
+  const testSubjects = getService('testSubjects');
+  const comboBox = getService('comboBox');
+
+  return {
+    async assertNodeExpandedDetailsPanelsExist() {
+      await testSubjects.existOrFail('mlNodesTableRowDetailsPanel');
+      await testSubjects.existOrFail('mlNodesTableRowDetailsAttributesPanel');
+    },
+
+    async assertTabIsSelected(tabName: string) {
+      await testSubjects.existOrFail(`mlNodesOverviewPanel ${tabName}Tab`);
+    },
+
+    async selectTab(tabName: string) {
+      await testSubjects.click(`mlMemoryUsageTab-${tabName}`);
+    },
+
+    async assertMemoryUsageTabsExist() {
+      await testSubjects.existOrFail('mlMemoryUsageTabs');
+    },
+
+    async assertMemoryUsageTabIsSelected(tabName: string) {
+      const isSelected = await testSubjects.getAttribute(
+        `mlMemoryUsageTab-${tabName}`,
+        'aria-selected'
+      );
+      expect(isSelected).to.eql('true');
+    },
+
+    async assertRowCount(expectedCount: number) {
+      const rowCount = await this.getRowCount();
+      expect(rowCount).to.eql(expectedCount);
+    },
+
+    async getAllRows() {
+      return await testSubjects.findAll('~mlNodesTableRow');
+    },
+
+    async expandRow() {
+      await testSubjects.click('mlNodesTableRowDetailsToggle');
+    },
+
+    async getRowCount() {
+      const rows = await this.getAllRows();
+      return rows.length;
+    },
+
+    async assertColumnHeaderExists(columnName: string) {
+      await testSubjects.existOrFail(columnName);
+    },
+
+    async assertColumnIsSorted(columnName: string, sortDirection: 'ascending' | 'descending') {
+      const sorted = await testSubjects.getAttribute(columnName, 'aria-sort');
+      expect(sorted).to.eql(sortDirection);
+    },
+
+    async sortColumn(columnName: string) {
+      await this.assertColumnHeaderExists(columnName);
+      await testSubjects.click(columnName);
+    },
+
+    async assertSearchBarExists() {
+      await testSubjects.existOrFail('mlNodesTableSearchInput');
+    },
+
+    async searchForNode(nodeId: string) {
+      await this.assertSearchBarExists();
+      await testSubjects.setValue('mlNodesTableSearchInput', nodeId);
+    },
+
+    async selectNodeExpandedRowTab(tabName: string) {
+      await testSubjects.click(tabName);
+    },
+
+    async clearSelectedChartItems() {
+      await comboBox.clear('~mlJobTreeMap > mlJobTreeMapComboBox');
+    },
+
+    async getSelectedChartItems() {
+      return await comboBox.getComboBoxSelectedOptions('~mlJobTreeMap > comboBoxInput');
+    },
+
+    async assertChartItemsSelectedByDefault() {
+      const selectedOptions = await this.getSelectedChartItems();
+      expect(selectedOptions.length).to.be.greaterThan(0);
+    },
+
+    async assertTreeChartExists() {
+      await testSubjects.existOrFail('mlJobTreeMap withData');
+    },
+
+    async assertEmptyTreeChartExists() {
+      await testSubjects.existOrFail('mlJobTreeMap empty');
+    },
+  };
+}

x-pack/test/functional/services/ml/navigation.ts

@@ -154,6 +154,10 @@ export function MachineLearningNavigationProvider({
       await this.navigateToArea('~mlMainTab & ~notifications', 'mlPageNotifications');
     },
 
+    async navigateToMemoryUsage() {
+      await this.navigateToArea('~mlMainTab & ~nodesOverview', 'mlPageMemoryUsage');
+    },
+
     async navigateToAnomalyDetection() {
       await this.navigateToArea('~mlMainTab & ~anomalyDetection', 'mlPageJobManagement');
     },