Merge pull request #84 from iambumblehead/add-jest-light-runner-example

add jest-light-runner unit-test and README entry

CHANGELOG.md

@@ -1,5 +1,7 @@
 # changelog
 
+ * 1.8.6 _Jul.24.2022_
+   * adds jest-light-runner example and unit-tests
  * 1.8.5 _Jul.23.2022_
    * adds typescript and node-native runner tests [for windows CI](https://github.com/iambumblehead/esmock/pull/80)
    * renames esmockLoader.mjs to esmockLoader.js

README.md

@@ -9,13 +9,13 @@
 ```
 [![npm version](https://badge.fury.io/js/esmock.svg)](https://badge.fury.io/js/esmock) [![Build Status](https://github.com/iambumblehead/esmock/workflows/nodejs-ci/badge.svg)][2] [![install size](https://packagephobia.now.sh/badge?p=esmock)](https://packagephobia.now.sh/result?p=esmock) [![downloads](https://badgen.now.sh/npm/dm/esmock)](https://npmjs.org/package/esmock)
 
-**esmock provides native ESM import mocking for unit tests.** Use examples below as a quick-start guide or use the [descriptive and friendly esmock guide here.][10]
+**esmock provides native ESM import mocking for unit tests.** Use examples below as a quick-start guide, see the [descriptive and friendly esmock guide here,][10] or browse [esmock's test runner examples.][3]
 
 [10]: https://github.com/iambumblehead/esmock/wiki
 [0]: http://www.bumblehead.com "bumblehead"
 [1]: https://github.com/iambumblehead/esmock/workflows/nodejs-ci/badge.svg "nodejs-ci pipeline"
 [2]: https://github.com/iambumblehead/esmock "esmock"
-
+[3]: https://github.com/iambumblehead/esmock/tree/master/tests "tests"
 
 
 `esmock` is used with node's --loader
@@ -30,8 +30,12 @@
     "test-ava": "NODE_OPTIONS=--loader=esmock ava",
     "test-uvu": "NODE_OPTIONS=--loader=esmock uvu spec",
     "test-tsm": "node --loader=tsm --loader=esmock --test *ts",
-    "test-ts-node": "node --loader=ts-node/esm --loader=esmock --test *ts"
-  }
+    "test-ts-node": "node --loader=ts-node/esm --loader=esmock --test *ts",
+    "test": "NODE_OPTIONS='--loader=esmock' jest"
+  },
+  "jest": {
+    "runner": "jest-light-runner"
+  },
 }
 ```
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "esmock",
-  "version": "1.8.5",
+  "version": "1.8.6",
   "license": "ISC",
   "readmeFilename": "README.md",
   "description": "provides native ESM import mocking for unit tests",

tests/local/main.js

@@ -40,3 +40,5 @@ export default () => {
 export const wildexports = wildfileexports;
 
 export const wild = wildfile;
+
+export const pathbasenamewrap = n => basename(n);

tests/package.json

@@ -26,12 +26,14 @@
     "install:test-uvu": "cd tests-uvu && npm install",
     "install:test-tsm": "cd tests-tsm && npm install",
     "install:test-node": "cd tests-node && npm install",
+    "install:test-jest": "cd tests-jest && npm install",
     "install:test-nodets": "cd tests-nodets && npm install",
     "install:all": "npm install && npm-run-all install:test*",
     "test:test-ava": "cd tests-ava && npm test",
     "test:test-uvu": "cd tests-uvu && npm test",
     "test:test-tsm": "npm run isnode18 && cd tests-tsm && npm test || true",
     "test:test-node": "npm run isnode18 && cd tests-node && npm test || true",
+    "test:test-jest": "npm run isnode18 && cd tests-jest && npm test || true",
     "test:test-nodets": "npm run isnode18 && cd tests-nodets && npm test || true",
     "test:all": "npm-run-all test:test*",
     "test:all-cover": "c8 --src=../src/* npm run test:all",

tests/tests-jest/__tests__/esmock.node-jest.test.js

@@ -0,0 +1,11 @@
+import esmock from 'esmock';
+
+test('should mock modules when using jest', async () => {
+  const main = await esmock('../../local/main.js', {
+    path : {
+      basename : () => 'hellow'
+    }
+  });
+
+  expect(main.pathbasenamewrap()).toBe('hellow');
+});

tests/tests-jest/package.json

@@ -0,0 +1,23 @@
+{
+  "type": "module",
+  "description": "esmock unit tests, tsm with node native runner",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/iambumblehead/esmock.git"
+  },
+  "dependencies": {
+    "jest": "^28.1.3",
+    "jest-light-runner": "0.2.2",
+    "esmock": "file:..",
+    "sinon": "file:../node_modules/sinon",
+    "eslint": "file:../node_modules/eslint",
+    "form-urlencoded": "file:../node_modules/form-urlencoded",
+    "babelGeneratedDoubleDefault": "file:../local/babelGeneratedDoubleDefault"
+  },
+  "jest": {
+    "runner": "jest-light-runner"
+  },
+  "scripts": {
+    "test": "NODE_OPTIONS='--loader=esmock' jest"
+  }
+}