From 83e9687d48ebd33f59399eed5ce163b268ff6904 Mon Sep 17 00:00:00 2001
From: "Wei-An, Yen" <j22461615@gmail.com>
Date: Thu, 25 Mar 2021 00:38:27 +0800
Subject: [PATCH] add esm globalTeardown e2e test

---
 e2e/__tests__/esmGlobalTeardown.test.ts       | 39 +++++++++++++++++++
 .../__tests__/teardown.test.js                | 18 +++++++++
 e2e/esm-global-teardown/package.json          |  7 ++++
 e2e/esm-global-teardown/teardown.mjs          | 22 +++++++++++
 4 files changed, 86 insertions(+)
 create mode 100644 e2e/__tests__/esmGlobalTeardown.test.ts
 create mode 100644 e2e/esm-global-teardown/__tests__/teardown.test.js
 create mode 100644 e2e/esm-global-teardown/package.json
 create mode 100644 e2e/esm-global-teardown/teardown.mjs

diff --git a/e2e/__tests__/esmGlobalTeardown.test.ts b/e2e/__tests__/esmGlobalTeardown.test.ts
new file mode 100644
index 000000000000..6c2696f6a071
--- /dev/null
+++ b/e2e/__tests__/esmGlobalTeardown.test.ts
@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {tmpdir} from 'os';
+import * as path from 'path';
+import * as fs from 'graceful-fs';
+import {onNodeVersions} from '@jest/test-utils';
+import {createDirectory} from 'jest-util';
+import {cleanup} from '../Utils';
+import {json as runWithJson} from '../runJest';
+
+const DIR = path.join(tmpdir(), 'jest-esm-global-teardown');
+const e2eDir = path.resolve(__dirname, '../esm-global-teardown');
+
+beforeEach(() => {
+  cleanup(DIR);
+});
+afterAll(() => {
+  cleanup(DIR);
+});
+
+onNodeVersions('^12.16.0 || >=13.7.0', () => {
+  test('globalTeardown is triggered once after all test suites', () => {
+    createDirectory(DIR);
+    const result = runWithJson(e2eDir, [], {
+      nodeOptions: '--experimental-vm-modules',
+    });
+
+    expect(result.exitCode).toBe(0);
+    const files = fs.readdirSync(DIR);
+    expect(files).toHaveLength(1);
+    const teardown = fs.readFileSync(path.join(DIR, files[0]), 'utf8');
+    expect(teardown).toBe('teardown');
+  });
+});
diff --git a/e2e/esm-global-teardown/__tests__/teardown.test.js b/e2e/esm-global-teardown/__tests__/teardown.test.js
new file mode 100644
index 000000000000..3debeaad4923
--- /dev/null
+++ b/e2e/esm-global-teardown/__tests__/teardown.test.js
@@ -0,0 +1,18 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+'use strict';
+
+import os from 'os';
+import path from 'path';
+import fs from 'graceful-fs';
+
+const DIR = path.join(os.tmpdir(), 'jest-esm-global-teardown');
+
+test('should not exist teardown file', () => {
+  const files = fs.readdirSync(DIR);
+  expect(files).toHaveLength(0);
+});
diff --git a/e2e/esm-global-teardown/package.json b/e2e/esm-global-teardown/package.json
new file mode 100644
index 000000000000..65879a0f7ce9
--- /dev/null
+++ b/e2e/esm-global-teardown/package.json
@@ -0,0 +1,7 @@
+{
+  "type": "module",
+  "jest": {
+    "testEnvironment": "node",
+    "globalTeardown": "<rootDir>/teardown.mjs"
+  }
+}
diff --git a/e2e/esm-global-teardown/teardown.mjs b/e2e/esm-global-teardown/teardown.mjs
new file mode 100644
index 000000000000..bd592ca7c65e
--- /dev/null
+++ b/e2e/esm-global-teardown/teardown.mjs
@@ -0,0 +1,22 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+import crypto from 'crypto';
+import os from 'os';
+import path from 'path';
+import fs from 'graceful-fs';
+import {createDirectory} from 'jest-util';
+
+const DIR = path.join(os.tmpdir(), 'jest-esm-global-teardown');
+
+export default function () {
+  return new Promise((resolve, reject) => {
+    createDirectory(DIR);
+    const fileId = crypto.randomBytes(20).toString('hex');
+    fs.writeFileSync(path.join(DIR, fileId), 'teardown');
+    resolve();
+  });
+}