test: installation test for @puppeteer/browsers (#10027)

test/installation/src/browsers.spec.ts

@@ -0,0 +1,39 @@
+/**
+ * Copyright 2023 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import assert from 'assert';
+import {spawnSync} from 'child_process';
+
+import {configureSandbox} from './sandbox.js';
+
+describe('`@puppeteer/browsers`', () => {
+  configureSandbox({
+    dependencies: ['@puppeteer/browsers'],
+  });
+
+  it('can launch CLI', async function () {
+    const result = spawnSync('npx', ['@puppeteer/browsers', '--help'], {
+      // npx is not found without the shell flag on Windows.
+      shell: process.platform === 'win32',
+    });
+    assert.strictEqual(result.status, 0);
+    assert.ok(
+      result.stdout
+        .toString('utf-8')
+        .startsWith('@puppeteer/browsers <command>')
+    );
+  });
+});