Updates to Jest configuration (#125727)

.buildkite/pipelines/es_snapshots/verify.yml

@@ -65,6 +65,7 @@ steps:
 
   - command: .buildkite/scripts/steps/test/jest_integration.sh
     label: 'Jest Integration Tests'
+    parallelism: 2
     agents:
       queue: n2-4
     timeout_in_minutes: 120

.buildkite/scripts/steps/code_coverage/jest.sh

@@ -10,11 +10,11 @@ is_test_execution_step
 
 echo '--- Jest code coverage'
 
-.buildkite/scripts/steps/code_coverage/jest_parallel.sh
+.buildkite/scripts/steps/code_coverage/jest_parallel.sh jest.config.js
 
 tar -czf kibana-jest-thread-coverage.tar.gz target/kibana-coverage/jest
 
 echo "--- Merging code coverage for a thread"
 yarn nyc report --nycrc-path src/dev/code_coverage/nyc_config/nyc.jest.config.js --reporter json
 rm -rf target/kibana-coverage/jest/*
-mv target/kibana-coverage/jest-combined/coverage-final.json "target/kibana-coverage/jest/jest-merged-coverage-$(date +%s%3N).json"
+mv target/kibana-coverage/jest-combined/coverage-final.json "target/kibana-coverage/jest/jest-merged-coverage-$(date +%s%3N).json"

.buildkite/scripts/steps/test/jest.sh

@@ -10,4 +10,4 @@ is_test_execution_step
 
 echo '--- Jest'
 checks-reporter-with-killswitch "Jest Unit Tests $((BUILDKITE_PARALLEL_JOB+1))" \
-  .buildkite/scripts/steps/test/jest_parallel.sh
+  .buildkite/scripts/steps/test/jest_parallel.sh jest.config.js

.buildkite/scripts/steps/test/jest_parallel.sh

@@ -25,6 +25,6 @@ while read -r config; do
 
   ((i=i+1))
 # uses heredoc to avoid the while loop being in a sub-shell thus unable to overwrite exitCode
-done <<< "$(find src x-pack packages -name ${1:-jest.config.js} -not -path "*/__fixtures__/*" | sort)"
+done <<< "$(find src x-pack packages -name "$1" -not -path "*/__fixtures__/*" | sort)"
 
 exit $exitCode

jest.config.integration.js

@@ -1,27 +0,0 @@
-/*
- * 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 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-const Fs = require('fs');
-const Path = require('path');
-
-module.exports = {
-  preset: '@kbn/test/jest_integration',
-  rootDir: '.',
-  roots: [
-    '<rootDir>/src',
-    '<rootDir>/packages',
-    ...Fs.readdirSync(Path.resolve(__dirname, 'x-pack')).flatMap((name) => {
-      // create roots for all x-pack/* dirs except for test
-      if (name !== 'test' && Fs.statSync(Path.resolve(__dirname, 'x-pack', name)).isDirectory()) {
-        return [`<rootDir>/x-pack/${name}`];
-      }
-
-      return [];
-    }),
-  ],
-};

jest.config.js

@@ -1,24 +0,0 @@
-/*
- * 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 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-module.exports = {
-  preset: '@kbn/test',
-  rootDir: '.',
-  projects: [
-    '<rootDir>/packages/*/jest.config.js',
-    '<rootDir>/src/*/jest.config.js',
-    '<rootDir>/src/plugins/*/jest.config.js',
-    '<rootDir>/src/plugins/chart_expressions/*/jest.config.js',
-    '<rootDir>/src/plugins/vis_types/*/jest.config.js',
-    '<rootDir>/test/*/jest.config.js',
-    '<rootDir>/x-pack/plugins/*/jest.config.js',
-    '<rootDir>/x-pack/plugins/security_solution/*/jest.config.js',
-    '<rootDir>/x-pack/plugins/security_solution/public/*/jest.config.js',
-    '<rootDir>/x-pack/plugins/security_solution/server/*/jest.config.js',
-  ],
-};

packages/kbn-test/src/jest/run_check_jest_configs_cli.ts

@@ -10,7 +10,7 @@ import { writeFileSync } from 'fs';
 import path from 'path';
 import Mustache from 'mustache';
 
-import { run } from '@kbn/dev-utils';
+import { run, createFailError } from '@kbn/dev-utils';
 import { REPO_ROOT } from '@kbn/utils';
 
 import { JestConfigs, CONFIG_NAMES } from './configs';
@@ -72,7 +72,7 @@ export async function runCheckJestConfigsCli() {
             log.info('created %s', file);
           });
         } else {
-          log.info(
+          throw createFailError(
             `Run 'node scripts/check_jest_configs --fix' to create the missing config files`
           );
         }

scripts/jest_integration.js

@@ -9,4 +9,4 @@
 require('../src/setup_node_env/ensure_node_preserve_symlinks');
 process.argv.push('--runInBand');
 
-require('@kbn/test').runJest('jest.config.integration.js');
+require('@kbn/test').runJest('jest.integration.config.js');