add sanity tests for util

Author: Hweinstock

packages/core/src/test/shared/utilities/testUtils.test.ts

@@ -0,0 +1,25 @@
+/*!
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+import assert from 'assert'
+import { envWithNewPath, readEnv, setEnv } from '../../testUtil'
+
+describe('envWithNewPath', function () {
+    it('gives current path with new PATH', function () {
+        const fakePath = 'fakePath'
+        assert.deepStrictEqual(envWithNewPath(fakePath), { ...process.env, PATH: fakePath })
+    })
+})
+
+describe('writeEnv', function () {
+    it('modifies the node environment variables', function () {
+        const originalEnv = readEnv()
+        const fakePath = 'fakePath'
+        setEnv(envWithNewPath('fakePath'))
+        assert.strictEqual(readEnv().PATH, fakePath)
+
+        setEnv(originalEnv)
+        assert.deepStrictEqual(readEnv(), originalEnv)
+    })
+})

packages/core/src/test/testUtil.ts

@@ -19,7 +19,6 @@ import { mkdirSync, existsSync } from 'fs' // eslint-disable-line no-restricted-
 import { randomBytes } from 'crypto'
 import request from '../shared/request'
 import { stub } from 'sinon'
-import { isWin } from '../shared/vscode/env'
 
 const testTempDirs: string[] = []
 
@@ -625,5 +624,5 @@ export function readEnv(): NodeJS.ProcessEnv {
 }
 
 export function envWithNewPath(newPath: string): NodeJS.ProcessEnv {
-    return isWin() ? { ...process.env, Path: newPath } : { ...process.env, PATH: newPath }
+    return { ...process.env, PATH: newPath }
 }