feat(testing): allow usage of jest 30 pre-release versions

packages/jest/package.json

@@ -35,18 +35,19 @@
     "migrations": "./migrations.json"
   },
   "dependencies": {
-    "@jest/reporters": "^29.4.1",
-    "@jest/test-result": "^29.4.1",
+    "@jest/reporters": "^29.4.1 || ^30.0.0-alpha.6",
+    "@jest/test-result": "^29.4.1 || ^30.0.0-alpha.6",
     "@nx/devkit": "file:../devkit",
     "@nx/js": "file:../js",
     "@phenomnomnominal/tsquery": "~5.0.1",
     "chalk": "^4.1.0",
     "identity-obj-proxy": "3.0.0",
-    "jest-config": "^29.4.1",
-    "jest-resolve": "^29.4.1",
-    "jest-util": "^29.4.1",
+    "jest-config": "^29.4.1 || ^30.0.0-alpha.6",
+    "jest-resolve": "^29.4.1 || ^30.0.0-alpha.6",
+    "jest-util": "^29.4.1 || ^30.0.0-alpha.6",
     "minimatch": "9.0.3",
     "resolve.exports": "1.1.0",
+    "semver": "^7.5.3",
     "tslib": "^2.3.0",
     "yargs-parser": "21.1.1"
   },

packages/jest/plugins/resolver.ts

@@ -1,16 +1,6 @@
 import { dirname, extname, join, resolve } from 'path';
 import { resolve as resolveExports } from 'resolve.exports';
-import type defaultResolver from 'jest-resolve/build/defaultResolver';
-
-interface ResolveOptions {
-  rootDir: string;
-  basedir: string;
-  paths: string[];
-  moduleDirectory: string[];
-  browser: boolean;
-  extensions: string[];
-  defaultResolver: typeof defaultResolver;
-}
+import type { ResolverOptions } from 'jest-resolve';
 
 let compilerSetup;
 let ts;
@@ -38,7 +28,7 @@ function getCompilerSetup(rootDir: string) {
   return { compilerOptions, host };
 }
 
-module.exports = function (path: string, options: ResolveOptions) {
+module.exports = function (path: string, options: ResolverOptions) {
   const ext = extname(path);
   if (ext === '.css' || ext === '.scss' || ext === '.sass' || ext === '.less') {
     return require.resolve('identity-obj-proxy');

packages/jest/src/plugins/plugin.ts

@@ -1,3 +1,4 @@
+import type { Config } from '@jest/types';
 import {
   CreateNodes,
   CreateNodesContext,
@@ -13,22 +14,20 @@ import {
   TargetConfiguration,
   writeJsonFile,
 } from '@nx/devkit';
-import { dirname, isAbsolute, join, relative, resolve } from 'path';
-
-import { getNamedInputs } from '@nx/devkit/src/utils/get-named-inputs';
-import { existsSync, readdirSync, readFileSync } from 'fs';
-import { readConfig, replaceRootDirInPath } from 'jest-config';
-import jestResolve from 'jest-resolve';
-import { workspaceDataDirectory } from 'nx/src/utils/cache-directory';
 import { calculateHashForCreateNodes } from '@nx/devkit/src/utils/calculate-hash-for-create-nodes';
 import {
   clearRequireCache,
   loadConfigFile,
 } from '@nx/devkit/src/utils/config-utils';
-import { getGlobPatternsFromPackageManagerWorkspaces } from 'nx/src/plugins/package-json';
-import { combineGlobPatterns } from 'nx/src/utils/globs';
+import { getNamedInputs } from '@nx/devkit/src/utils/get-named-inputs';
+import { existsSync, readdirSync, readFileSync } from 'fs';
 import { minimatch } from 'minimatch';
 import { hashObject } from 'nx/src/devkit-internals';
+import { getGlobPatternsFromPackageManagerWorkspaces } from 'nx/src/plugins/package-json';
+import { workspaceDataDirectory } from 'nx/src/utils/cache-directory';
+import { combineGlobPatterns } from 'nx/src/utils/globs';
+import { dirname, isAbsolute, join, relative, resolve } from 'path';
+import { getInstalledJestMajorVersion } from '../utils/version-utils';
 
 const pmc = getPackageManagerCommand();
 
@@ -167,6 +166,9 @@ async function buildJestTargets(
   }
 
   const rawConfig = await loadConfigFile(absConfigFilePath);
+
+  const { readConfig } =
+    requireJestUtil<typeof import('jest-config')>('jest-config');
   const config = await readConfig(
     {
       _: [],
@@ -211,23 +213,24 @@ async function buildJestTargets(
 
   let metadata: ProjectConfiguration['metadata'];
   if (options?.ciTargetName) {
-    // Resolve the version of `jest-runtime` that `jest` is using.
-    const jestPath = require.resolve('jest');
-    const jest = require(jestPath) as typeof import('jest');
-    // nx-ignore-next-line
-    const { default: Runtime } = require(require.resolve('jest-runtime', {
-      paths: [dirname(jestPath)],
+    const { default: Runtime } =
       // nx-ignore-next-line
-    })) as typeof import('jest-runtime');
+      requireJestUtil<typeof import('jest-runtime')>('jest-runtime');
 
     const jestContext = await Runtime.createContext(config.projectConfig, {
       maxWorkers: 1,
       watchman: false,
     });
 
+    const jest = require('jest') as typeof import('jest');
     const source = new jest.SearchSource(jestContext);
 
-    const specs = await source.getTestPaths(config.globalConfig);
+    const jestVersion = getInstalledJestMajorVersion()!;
+    const specs =
+      jestVersion >= 30
+        ? // @ts-expect-error Jest 30+ expects the project config as the second argument
+          await source.getTestPaths(config.globalConfig, config.projectConfig)
+        : await source.getTestPaths(config.globalConfig);
 
     const testPaths = new Set(specs.tests.map(({ path }) => path));
 
@@ -343,11 +346,15 @@ function resolvePresetInput(
     return null;
   }
 
+  const { replaceRootDirInPath } =
+    requireJestUtil<typeof import('jest-config')>('jest-config');
   let presetPath = replaceRootDirInPath(projectRoot, presetValue);
   const isNpmPackage = !presetValue.startsWith('.') && !isAbsolute(presetPath);
   presetPath = presetPath.startsWith('.')
     ? presetPath
     : join(presetPath, 'jest-preset');
+  const { default: jestResolve } =
+    requireJestUtil<typeof import('jest-resolve')>('jest-resolve');
   const presetModule = jestResolve.findNodeModule(presetPath, {
     basedir: projectRoot,
     extensions: ['.json', '.js', '.cjs', '.mjs'],
@@ -369,7 +376,7 @@ function resolvePresetInput(
 
 function getOutputs(
   projectRoot: string,
-  { globalConfig }: Awaited<ReturnType<typeof readConfig>>,
+  { globalConfig }: { globalConfig: Config.GlobalConfig },
   context: CreateNodesContext
 ): string[] {
   function getOutput(path: string): string {
@@ -403,3 +410,13 @@ function normalizeOptions(options: JestPluginOptions): JestPluginOptions {
   options.targetName ??= 'test';
   return options;
 }
+
+let jestPath: string;
+/**
+ * Resolves a jest util package version that `jest` is using.
+ */
+function requireJestUtil<T>(packageName: string): T {
+  jestPath ??= require.resolve('jest');
+
+  return require(require.resolve(packageName, { paths: [dirname(jestPath)] }));
+}

packages/jest/src/utils/version-utils.ts

@@ -0,0 +1,15 @@
+import { major } from 'semver';
+
+export function getInstalledJestVersion(): string | null {
+  try {
+    return require('jest/package.json').version;
+  } catch {
+    return null;
+  }
+}
+
+export function getInstalledJestMajorVersion(): number | null {
+  const installedVersion = getInstalledJestVersion();
+
+  return installedVersion ? major(installedVersion) : null;
+}