[CI] Combines Jest unit tests (elastic#89948)

Signed-off-by: Tyler Smalley <tyler.smalley@elastic.co>
# Conflicts:
#	jest.config.oss.js
#	src/dev/code_coverage/shell_scripts/extract_archives.sh
#	test/scripts/jenkins_unit.sh
#	test/scripts/jenkins_xpack.sh
#	vars/kibanaCoverage.groovy
#	x-pack/jest.config.js

.ci/es-snapshots/Jenkinsfile_verify_es

@@ -29,7 +29,6 @@ kibanaPipeline(timeoutMinutes: 150) {
       withEnv(["ES_SNAPSHOT_MANIFEST=${SNAPSHOT_MANIFEST}"]) {
         parallel([
           'kibana-intake-agent': workers.intake('kibana-intake', './test/scripts/jenkins_unit.sh'),
-          'x-pack-intake-agent': workers.intake('x-pack-intake', './test/scripts/jenkins_xpack.sh'),
           'kibana-oss-agent': workers.functional('kibana-oss-tests', { kibanaPipeline.buildOss() }, [
             'oss-ciGroup1': kibanaPipeline.ossCiGroupProcess(1),
             'oss-ciGroup2': kibanaPipeline.ossCiGroupProcess(2),

.ci/jobs.yml

@@ -2,7 +2,6 @@
 
 JOB:
   - kibana-intake
-  - x-pack-intake
   - kibana-firefoxSmoke
   - kibana-ciGroup1
   - kibana-ciGroup2

jest.config.integration.js

@@ -17,12 +17,15 @@ module.exports = {
   testPathIgnorePatterns: preset.testPathIgnorePatterns.filter(
     (pattern) => !pattern.includes('integration_tests')
   ),
+  setupFilesAfterEnv: ['<rootDir>/packages/kbn-test/target/jest/setup/after_env.integration.js'],
   reporters: [
     'default',
     [
       '<rootDir>/packages/kbn-test/target/jest/junit_reporter',
       { reportName: 'Jest Integration Tests' },
     ],
   ],
-  setupFilesAfterEnv: ['<rootDir>/packages/kbn-test/target/jest/setup/after_env.integration.js'],
+  coverageReporters: !!process.env.CI
+    ? [['json', { file: 'jest-integration.json' }]]
+    : ['html', 'text'],
 };

jest.config.js

@@ -7,6 +7,14 @@
  */
 
 module.exports = {
+  preset: '@kbn/test',
   rootDir: '.',
-  projects: [...require('./jest.config.oss').projects, ...require('./x-pack/jest.config').projects],
+  projects: [
+    '<rootDir>/packages/*/jest.config.js',
+    '<rootDir>/src/*/jest.config.js',
+    '<rootDir>/src/legacy/*/jest.config.js',
+    '<rootDir>/src/plugins/*/jest.config.js',
+    '<rootDir>/test/*/jest.config.js',
+    '<rootDir>/x-pack/plugins/*/jest.config.js',
+  ],
 };

packages/kbn-test/jest-preset.js

@@ -19,7 +19,9 @@ module.exports = {
   coveragePathIgnorePatterns: ['/node_modules/', '.*\\.d\\.ts'],
 
   // A list of reporter names that Jest uses when writing coverage reports
-  coverageReporters: !!process.env.CODE_COVERAGE ? ['json'] : ['html', 'text'],
+  coverageReporters: !!process.env.CODE_COVERAGE
+    ? [['json', { file: 'jest.json' }]]
+    : ['html', 'text'],
 
   // An array of file extensions your modules use
   moduleFileExtensions: ['js', 'mjs', 'json', 'ts', 'tsx', 'node'],

test/scripts/jenkins_unit.sh

@@ -1,7 +1,3 @@
-#!/usr/bin/env bash
-
-source test/scripts/jenkins_test_setup.sh
-
 # Lint
 ./test/scripts/lint/eslint.sh
 ./test/scripts/lint/stylelint.sh
@@ -24,4 +20,4 @@ source test/scripts/jenkins_test_setup.sh
 ./test/scripts/checks/plugins_with_circular_deps.sh
 ./test/scripts/checks/verify_notice.sh
 ./test/scripts/checks/test_projects.sh
-./test/scripts/checks/test_hardening.sh
+./test/scripts/checks/test_hardening.sh

test/scripts/test/jest_unit.sh

@@ -2,5 +2,7 @@
 
 source src/dev/ci_setup/setup_env.sh
 
+export NODE_OPTIONS="--max-old-space-size=2048"
+
 checks-reporter-with-killswitch "Jest Unit Tests" \
-  node scripts/jest --config jest.config.oss.js --ci --verbose --maxWorkers=5
+  node scripts/jest --ci --verbose --maxWorkers=8

vars/kibanaPipeline.groovy

@@ -174,20 +174,21 @@ def uploadGcsArtifact(uploadPrefix, pattern) {
 def withGcsArtifactUpload(workerName, closure) {
   def uploadPrefix = "kibana-ci-artifacts/jobs/${env.JOB_NAME}/${BUILD_NUMBER}/${workerName}"
   def ARTIFACT_PATTERNS = [
+    'target/junit/**/*',
     'target/kibana-*',
-    'target/test-metrics/*',
+    'target/kibana-coverage/**/*',
     'target/kibana-security-solution/**/*.png',
-    'target/junit/**/*',
+    'target/test-metrics/*',
     'target/test-suites-ci-plan.json',
-    'test/**/screenshots/session/*.png',
-    'test/**/screenshots/failure/*.png',
     'test/**/screenshots/diff/*.png',
+    'test/**/screenshots/failure/*.png',
+    'test/**/screenshots/session/*.png',
     'test/functional/failure_debug/html/*.html',
-    'x-pack/test/**/screenshots/session/*.png',
-    'x-pack/test/**/screenshots/failure/*.png',
     'x-pack/test/**/screenshots/diff/*.png',
-    'x-pack/test/functional/failure_debug/html/*.html',
+    'x-pack/test/**/screenshots/failure/*.png',
+    'x-pack/test/**/screenshots/session/*.png',
     'x-pack/test/functional/apps/reporting/reports/session/*.pdf',
+    'x-pack/test/functional/failure_debug/html/*.html',
   ]
 
   withEnv([
@@ -445,15 +446,10 @@ def allCiTasks() {
       }
     },
     jest: {
-      workers.ci(name: 'jest', size: 'c2-8', ramDisk: true) {
+      workers.ci(name: 'jest', size: 'n2-standard-16', ramDisk: false) {
         scriptTask('Jest Unit Tests', 'test/scripts/test/jest_unit.sh')()
       }
     },
-    xpackJest: {
-      workers.ci(name: 'xpack-jest', size: 'c2-8', ramDisk: true) {
-        scriptTask('X-Pack Jest Unit Tests', 'test/scripts/test/xpack_jest_unit.sh')()
-      }
-    },
   ])
 }
 

vars/workers.groovy

@@ -19,8 +19,8 @@ def label(size) {
       return 'docker && tests-xl-highmem'
     case 'xxl':
       return 'docker && tests-xxl && gobld/machineType:custom-64-270336'
-    case 'c2-8':
-      return 'docker && linux && immutable && gobld/machineType:c2-standard-8'
+    case 'n2-standard-16':
+      return 'docker && linux && immutable && gobld/machineType:n2-standard-16'
   }
 
   error "unknown size '${size}'"