Re-add tests

Author: adamraya

packages/pwa-kit-extension-sdk/src/configs/utils.test.ts

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2024, Salesforce, Inc.
+ * All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
+ */
+import * as fse from 'fs-extra'
+import * as path from 'path'
+import {buildBabelExtensibilityArgs} from './babel/utils'
+import {ApplicationExtensionEntryTuple} from '../types'
+
+jest.mock('fs-extra', () => ({
+    ...jest.requireActual('fs-extra'),
+    realpathSync: jest.fn()
+}))
+
+const EXTENSIONS: ApplicationExtensionEntryTuple[] = [
+    ['@salesforce/extension-this', {enabled: true}],
+    ['@salesforce/extension-that', {enabled: true}]
+]
+const CONFIG = {
+    app: {extensions: EXTENSIONS}
+}
+
+const normalizePath = (posixPath: string) => posixPath.split(path.posix.sep).join(path.sep)
+
+describe('buildBabelExtensibilityArgs', () => {
+    const realpathSyncMock = jest.spyOn(fse, 'realpathSync') as jest.Mock
+
+    beforeEach(() => {
+        realpathSyncMock.mockImplementation((filePath: string) => {
+            if (filePath.includes('build-remote-server.js')) {
+                return '/absolute/path/to/build-remote-server.js'
+            }
+            if (filePath.includes('application-extensions.js')) {
+                return '/absolute/path/to/application-extensions.js'
+            }
+            if (filePath.includes(normalizePath('@salesforce/extension-this/src'))) {
+                return '/absolute/path/to/@salesforce/extension-this/src'
+            }
+            if (filePath.includes(normalizePath('@salesforce/extension-that/src'))) {
+                return '/absolute/path/to/@salesforce/extension-that/src'
+            }
+            throw new Error(`Unexpected path: ${filePath}`)
+        })
+    })
+
+    afterEach(() => {
+        jest.clearAllMocks()
+    })
+
+    test('should return the correct Babel arguments string', () => {
+        const expectedArgs = `--only "app/**,/absolute/path/to/build-remote-server.js,/absolute/path/to/application-extensions.js,/absolute/path/to/@salesforce/extension-this/src/**,/absolute/path/to/@salesforce/extension-that/src/**"`
+        const result = buildBabelExtensibilityArgs(CONFIG)
+        expect(result).toBe(expectedArgs)
+    })
+
+    test('should call realpathSync with the correct paths for each extension', () => {
+        buildBabelExtensibilityArgs(CONFIG)
+
+        // Validate that realpathSync was called with the correct paths
+        expect(fse.realpathSync).toHaveBeenCalledWith(
+            path.resolve(
+                'node_modules/@salesforce/pwa-kit-runtime/ssr/server/build-remote-server.js'
+            )
+        )
+        expect(fse.realpathSync).toHaveBeenCalledWith(
+            path.resolve(
+                'node_modules/@salesforce/pwa-kit-extension-sdk/express/placeholders/application-extensions.js'
+            )
+        )
+        expect(fse.realpathSync).toHaveBeenCalledWith(
+            path.resolve('node_modules/@salesforce/extension-this/src')
+        )
+        expect(fse.realpathSync).toHaveBeenCalledWith(
+            path.resolve('node_modules/@salesforce/extension-that/src')
+        )
+    })
+
+    test('should handle an empty list of configured extensions', () => {
+        const expectedArgs = `--only "app/**,/absolute/path/to/build-remote-server.js,/absolute/path/to/application-extensions.js"`
+        const result = buildBabelExtensibilityArgs({app: {extensions: []}})
+        expect(result).toBe(expectedArgs)
+        const result2 = buildBabelExtensibilityArgs({app: {}})
+        expect(result2).toBe(expectedArgs)
+    })
+})