chore: cleanup benchmark scripts (jestjs#12688)

.eslintrc.cjs

@@ -237,10 +237,10 @@ module.exports = {
     },
     {
       files: [
+        'e2e/**',
         'website/**',
+        '**/__benchmarks__/**',
         '**/__tests__/**',
-        'e2e/**',
-        '**/pretty-format/perf/**',
         'packages/jest-types/**/*',
         '.eslintplugin/**',
       ],
@@ -263,6 +263,7 @@ module.exports = {
     {
       files: [
         'scripts/*',
+        'packages/*/__benchmarks__/test.js',
         'packages/jest-cli/src/init/index.ts',
         'packages/jest-repl/src/cli/runtime-cli.ts',
       ],
@@ -274,14 +275,10 @@ module.exports = {
       files: [
         'e2e/**',
         'examples/**',
-        'scripts/*',
         'website/**',
         '**/__mocks__/**',
         '**/__tests__/**',
         '**/__typetests__/**',
-        '**/__performance_tests__/**',
-        'packages/diff-sequences/perf/index.js',
-        'packages/pretty-format/perf/test.js',
       ],
       rules: {
         '@typescript-eslint/no-unused-vars': 'off',

.prettierignore

@@ -9,7 +9,7 @@ coverage
 /packages/*/build
 /packages/*/dist
 /packages/jest-config/src/__tests__/jest-preset.json
-/packages/pretty-format/perf/world.geo.json
+/packages/pretty-format/__benchmarks__/world.geo.json
 
 # Breaks tests
 /e2e/coverage-handlebars/greet.hbs

jest.config.mjs

@@ -15,7 +15,7 @@ export default {
     '**/packages/*/**/*.ts',
     '!**/bin/**',
     '!**/cli/**',
-    '!**/perf/**',
+    '!**/__benchmarks__/**',
     '!**/__mocks__/**',
     '!**/__tests__/**',
     '!**/__typetests__/**',
@@ -38,6 +38,7 @@ export default {
   snapshotSerializers: [require.resolve('pretty-format/ConvertAnsi')],
   testPathIgnorePatterns: [
     '/__arbitraries__/',
+    '/__benchmarks__/',
     '/__typetests__/',
     '/node_modules/',
     '/examples/',
@@ -64,8 +65,6 @@ export default {
     '/packages/jest-snapshot/src/__tests__/plugins',
     '/packages/jest-snapshot/src/__tests__/fixtures/',
     '/packages/jest-validate/src/__tests__/fixtures/',
-    '/packages/jest-worker/src/__performance_tests__',
-    '/packages/pretty-format/perf/test.js',
     '/e2e/__tests__/iterator-to-null-test.ts',
   ],
   testTimeout: 70000,

package.json

@@ -106,7 +106,6 @@
     "test-types": "yarn jest --config jest.config.tsd.mjs",
     "test-ci-partial": "yarn test-ci-partial:parallel -i",
     "test-ci-partial:parallel": "yarn jest --color --config jest.config.ci.mjs",
-    "test-pretty-format-perf": "node packages/pretty-format/perf/test.js",
     "test-leak": "yarn jest -i --detectLeaks --color jest-mock jest-diff jest-repl pretty-format",
     "test": "yarn lint && yarn jest",
     "verify-old-ts": "node ./scripts/verifyOldTs.mjs",

packages/diff-sequences/.npmignore

@@ -1,5 +1,6 @@
 **/__mocks__/**
 **/__tests__/**
+__benchmarks__
 __typetests__
 src
 tsconfig.json

packages/diff-sequences/perf/index.js → packages/diff-sequences/__benchmarks__/test.js

@@ -5,19 +5,23 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-// Make sure to run node with --expose-gc option!
-
-// The times are reliable if about 1% relative mean error if you run it:
+/**
+ * To start the test, build the repo and run:
+ *   node --expose-gc test.js
+ */
 
-// * immediately after restart
-// * with 100% battery charge
-// * not connected to network
+/**
+ * The times are reliable if about 1% relative mean error if you run it:
+ *   - immediately after restart
+ *   - with 100% battery charge
+ *   - not connected to network
+ */
 
-/* eslint import/no-extraneous-dependencies: "off" */
+'use strict';
 
 const Benchmark = require('benchmark');
 const diffBaseline = require('diff').diffLines;
-const diffImproved = require('../build/index.js').default;
+const diffImproved = require('../').default;
 
 const testBaseline = (a, b) => {
   const benchmark = new Benchmark({
@@ -163,6 +167,10 @@ const testLength = n => {
   ); // simulate TDD
 };
 
+if (!globalThis.gc) {
+  throw new Error('GC not present, start with: node --expose-gc test.js');
+}
+
 writeHeading2();
 
 testLength(20);

packages/diff-sequences/package.json

@@ -27,9 +27,6 @@
     },
     "./package.json": "./package.json"
   },
-  "scripts": {
-    "perf": "node --expose-gc perf/index.js"
-  },
   "devDependencies": {
     "benchmark": "^2.1.4",
     "diff": "^5.0.0",

packages/jest-worker/.npmignore

@@ -1,6 +1,6 @@
 **/__mocks__/**
 **/__tests__/**
-**/__performance_tests__/**
+__benchmarks__
 __typetests__
 src
 tsconfig.json

packages/jest-worker/src/__performance_tests__/test.js → packages/jest-worker/__benchmarks__/test.js

@@ -5,22 +5,25 @@
  * LICENSE file in the root directory of this source tree.
  */
 
+/**
+ * To start the test, build the repo and run:
+ *   node --expose-gc test.js empty 100000
+ *   node --expose-gc test.js loadTest 10000
+ */
+
 'use strict';
 
 const assert = require('assert');
 const {performance} = require('perf_hooks');
-// eslint-disable-next-line import/no-extraneous-dependencies
 const workerFarm = require('worker-farm');
-const JestWorker = require('../../build').Worker;
+const JestWorker = require('../').Worker;
 
-// Typical tests: node --expose-gc test.js empty 100000
-//                node --expose-gc test.js loadTest 10000
 assert(process.argv[2], 'Pass a child method name');
 assert(process.argv[3], 'Pass the number of iterations');
 
 const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
 const method = process.argv[2];
-const calls = +process.argv[3];
+const calls = Number(process.argv[3]);
 const threads = 6;
 const iterations = 10;
 
@@ -127,7 +130,7 @@ function profileEnd(x) {
 
 async function main() {
   if (!globalThis.gc) {
-    console.warn('GC not present, start with node --expose-gc');
+    throw new Error('GC not present, start with node --expose-gc');
   }
 
   const wFResults = [];

packages/jest-worker/tsconfig.json

@@ -5,6 +5,6 @@
     "outDir": "build"
   },
   "include": ["./src/**/*"],
-  "exclude": ["./**/__performance_tests__/**/*", "./**/__tests__/**/*"],
+  "exclude": ["./**/__tests__/**/*"],
   "references": [{"path": "../jest-leak-detector"}]
 }

packages/pretty-format/.npmignore

@@ -1,8 +1,8 @@
 **/__mocks__/**
 **/__tests__/**
+__benchmarks__
 __typetests__
 src
-perf
 tsconfig.json
 tsconfig.tsbuildinfo
 api-extractor.json

packages/pretty-format/perf/test.js → packages/pretty-format/__benchmarks__/test.js

@@ -5,13 +5,20 @@
  * LICENSE file in the root directory of this source tree.
  */
 
+/**
+ * To start the test, build the repo and run:
+ *   node test.js
+ */
+
+'use strict';
+
 const util = require('util');
 const chalk = require('chalk');
 const React = require('react');
 const ReactTestRenderer = require('react-test-renderer');
 const {formatTime} = require('jest-util');
-const prettyFormat = require('../build');
-const ReactTestComponent = require('../build/plugins/ReactTestComponent');
+const prettyFormat = require('../').format;
+const {ReactTestComponent} = require('../').plugins;
 const worldGeoJson = require('./world.geo.json');
 
 const NANOSECONDS = 1000000000;