jest.config.ts

import type { Config } from '@jest/types';


const DIR_SRC = 'src/main/resources';
const DIR_SRC_JEST = 'src/jest';
const DIR_SRC_JEST_CLIENT = `${DIR_SRC_JEST}/client`;
const DIR_SRC_JEST_SERVER = `${DIR_SRC_JEST}/server`;
const AND_BELOW = '**';
const SOURCE_FILES = `*.{ts,tsx}`;
const TEST_EXT = `{spec,test}.{ts,tsx}`;
const TEST_FILES = `*.${TEST_EXT}`;


const commonConfig: Config.InitialProjectOptions = {
	collectCoverageFrom: [
		`${DIR_SRC}/${AND_BELOW}/${SOURCE_FILES}`,
	],

	// Insert Jest's globals (expect, test, describe, beforeEach etc.) into the
	// global environment. If you set this to false, you should import from @jest/globals, e.g.
	// injectGlobals: true, // Doesn't seem to work?
};

const clientSideConfig: Config.InitialProjectOptions = {
	...commonConfig,
	displayName: {
		color: 'white',
		name: 'CLIENT',
	},

	// A map from regular expressions to module names or to arrays of module
	// names that allow to stub out resources, like images or styles with a
	// single module.
	// Use <rootDir> string token to refer to rootDir value if you want to use
	// file paths.
	// Additionally, you can substitute captured regex groups using numbered
	// backreferences.
	moduleNameMapper: {
		'/assets/(.*)': `<rootDir>/${DIR_SRC}/assets/$1`,
	},

	// Run clientside tests with DOM globals such as document and window
	testEnvironment: 'jsdom',

	// The glob patterns Jest uses to detect test files. By default it looks for
	// .js, .jsx, .ts and .tsx files inside of __tests__ folders, as well as any
	// files with a suffix of .test or .spec (e.g. Component.test.js or
	// Component.spec.js). It will also find files called test.js or spec.js.
	// (default: [
	//   "**/__tests__/**/*.[jt]s?(x)",
	//   "**/?(*.)+(spec|test).[jt]s?(x)"
	// ])
	testMatch: [
		`<rootDir>/${DIR_SRC_JEST_CLIENT}/${AND_BELOW}/${TEST_FILES}`,
	],
	transform: {
		"^.+\\.(ts|js)x?$": [
		'ts-jest',
		{
			tsconfig: `${DIR_SRC_JEST_CLIENT}/tsconfig.json`
		}
		]
	}
};

const serverSideConfig: Config.InitialProjectOptions = {
	...commonConfig,
	displayName: {
		color: 'blue',
		name: 'SERVER',
	},

	// A set of global variables that need to be available in all test
	// environments.
	// If you specify a global reference value (like an object or array) here,
	// and some code mutates that value in the midst of running a test, that
	// mutation will not be persisted across test runs for other test files.
	// In addition, the globals object must be json-serializable, so it can't be
	// used to specify global functions. For that, you should use setupFiles.
	globals: {
		app: {
		name: 'com.example.myproject',
		config: {},
		version: '1.0.0'
		},
	},

	// A map from regular expressions to module names or to arrays of module
	// names that allow to stub out resources, like images or styles with a
	// single module.
	// Use <rootDir> string token to refer to rootDir value if you want to use
	// file paths.
	// Additionally, you can substitute captured regex groups using numbered
	// backreferences.
	moduleNameMapper: {
		'/lib/enonic/react4xp/(.*)': `<rootDir>/${DIR_SRC}/lib/enonic/react4xp/$1`,
	},

	// A list of paths to modules that run some code to configure or set up the
	// testing environment. Each setupFile will be run once per test file. Since
	// every test runs in its own environment, these scripts will be executed in
	// the testing environment before executing setupFilesAfterEnv and before
	// the test code itself.
	setupFiles: [
		`<rootDir>/${DIR_SRC_JEST_SERVER}/setupFile.ts`,
		`<rootDir>/${DIR_SRC_JEST_SERVER}/mockXP.ts`
	],

	// Run serverside tests without DOM globals such as document and window
	testEnvironment: 'node',
	//   testEnvironment: 'jsdom', // "Graal"

	// The glob patterns Jest uses to detect test files. By default it looks for
	// .js, .jsx, .ts and .tsx files inside of __tests__ folders, as well as any
	// files with a suffix of .test or .spec (e.g. Component.test.js or
	// Component.spec.js). It will also find files called test.js or spec.js.
	// (default: [
	//   "**/__tests__/**/*.[jt]s?(x)",
	//   "**/?(*.)+(spec|test).[jt]s?(x)"
	// ])
	testMatch: [
		`<rootDir>/${DIR_SRC_JEST_SERVER}/${AND_BELOW}/${TEST_FILES}`,
	],

	transform: {
		"^.+\\.(ts|js)x?$": [
		'ts-jest',
		{
			tsconfig: `${DIR_SRC_JEST_SERVER}/tsconfig.json`
		}
		]
	},
	};

	const customJestConfig: Config.InitialOptions = {
	coverageProvider: 'v8', // To get correct line numbers under jsdom
	passWithNoTests: true,
	projects: [clientSideConfig, serverSideConfig],
};

export default customJestConfig;