test: e2e

Author: rax-it

src/lwc-dev-server/index.ts

@@ -58,7 +58,7 @@ function createLWCServerConfig(rootDir: string, logger: Logger): ServerConfig {
       const resolvedDir = path.resolve(rootDir, dir.path, 'main', 'default');
       if (existsSync(resolvedDir) && lstatSync(resolvedDir).isDirectory()) {
         logger.debug(`Adding ${resolvedDir} to namespace paths`);
-        namespacePaths.push();
+        namespacePaths.push(resolvedDir);
       } else {
         logger.warn(`Skipping ${resolvedDir} because it does not exist or is not a directory`);
       }
@@ -92,9 +92,9 @@ export async function startLWCServer(rootDir: string, logger: Logger): Promise<L
 
   [
     'exit', // normal exit flow
-    'SIGINT',  // when a user presses ctrl+c
-    'SIGTERM',  // when a user kills the process
-  ].forEach(signal => process.on(signal, cleanup));
+    'SIGINT', // when a user presses ctrl+c
+    'SIGTERM', // when a user kills the process
+  ].forEach((signal) => process.on(signal, cleanup));
 
   return lwcDevServer;
 }

test/lwc-dev-server/__mocks__/force-app/main/default/lwc/dummy/dummy.html

@@ -0,0 +1 @@
+// Intentionally blank file.

test/lwc-dev-server/__mocks__/force-app/main/default/lwc/dummy/dummy.js

@@ -0,0 +1 @@
+// Intentionally blank file.

test/lwc-dev-server/__mocks__/sfdx-project.json

@@ -1,3 +1,7 @@
 {
-  "packageDirectories": [{}]
+  "packageDirectories": [
+    {
+      "path": "force-app"
+    }
+  ]
 }

test/lwc-dev-server/index.e2e.test.ts

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2024, salesforce.com, inc.
+ * All rights reserved.
+ * Licensed under the BSD 3-Clause license.
+ * For full license text, see LICENSE.txt file in the repo root or https://opensource.org/licenses/BSD-3-Clause
+ */
+
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { expect } from 'chai';
+import sinon from 'sinon';
+import { Logger } from '@salesforce/core';
+import { TestContext } from '@salesforce/core/testSetup';
+import { LWCServer } from '@lwc/lwc-dev-server';
+import * as devServer from '../../src/lwc-dev-server/index.js';
+// eslint-disable-next-line no-underscore-dangle
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const logger = {
+  debug: () => {},
+  warn: () => {},
+  trace: () => {},
+  getLevel: () => 10,
+} as Logger;
+
+describe('lwc-dev-server e2e', () => {
+  const $$ = new TestContext();
+  let spy: sinon.SinonSpy;
+
+  beforeEach(() => {
+    spy = $$.SANDBOX.stub(process, 'exit');
+  });
+
+  afterEach(() => {
+    $$.restore();
+    $$.SANDBOX.resetHistory();
+  });
+
+  it('e2e', async () => {
+    const server = await devServer.startLWCServer(path.resolve(__dirname, './__mocks__'), logger);
+
+    expect(server).to.be.an.instanceOf(LWCServer);
+    server.stopServer();
+    expect(spy.calledWith(0)).to.be.true;
+  });
+});