chore: Refactor to generate cjs and mjs test suite

y

.eslintignore

@@ -1,2 +1,3 @@
 dist/
+dist-test/
 scripts/

package.json

@@ -35,8 +35,8 @@
   ],
   "license": "Apache-2.0",
   "scripts": {
-    "clean": "rm -rf dist",
-    "compile": "tsc -p tsconfig.json && tsc -p tsconfig-esm.json",
+    "clean": "rm -rf dist ; rm -rf dist-test",
+    "compile": "tsc -p tsconfig.json && tsc -p tsconfig-esm.json && tsc -p tsconfig-systemtest.json && tsc -p tsconfig-systemtest-esm.json",
     "prepare": "rm -rf dist && npm run compile && node ./scripts/fixup.cjs",
     "pretest": "npm run prepare",
     "presnap": "npm run prepare",
@@ -88,4 +88,4 @@
     "google-auth-library": "^9.2.0",
     "p-throttle": "^7.0.0"
   }
-}
+}

scripts/fixup.cjs

@@ -20,6 +20,8 @@ const {readdir, readFile, writeFile} = require('node:fs/promises');
 
 const cjsDistFolder = resolve(__dirname, '../dist/cjs');
 const mjsDistFolder = resolve(__dirname, '../dist/mjs');
+const cjsSystemTestDistFolder = resolve(__dirname, '../dist-test/cjs');
+const mjsSystemTestDistFolder = resolve(__dirname, '../dist-test/mjs');
 
 async function addModuleSystemTypeFile() {
   await writeFile(
@@ -31,6 +33,15 @@ async function addModuleSystemTypeFile() {
     resolve(mjsDistFolder, 'package.json'),
     JSON.stringify({ type: 'module' })
   );
+  await writeFile(
+    resolve(cjsSystemTestDistFolder, 'package.json'),
+    JSON.stringify({ type: 'commonjs' })
+  );
+
+  await writeFile(
+    resolve(mjsSystemTestDistFolder, 'package.json'),
+    JSON.stringify({ type: 'module' })
+  );
 }
 
 async function fixupImportFileExtensions() {

system-test/mysql-tests.ts

@@ -0,0 +1,61 @@
+// Copyright 2025 Google LLC
+//
+// 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
+//
+//     https://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.
+
+function mysqlTests(t, connectorModule, mysql2PromiseModule) {
+  const mysql = mysql2PromiseModule;
+  const {Connector, AuthTypes, IpAddressTypes} = connectorModule;
+
+  t.test('open connection and run basic mysql commands', async t => {
+    const connector = new Connector();
+    const clientOpts = await connector.getOptions({
+      instanceConnectionName: String(process.env.MYSQL_CONNECTION_NAME),
+    });
+    const conn = await mysql.createConnection({
+      ...clientOpts,
+      user: String(process.env.MYSQL_USER),
+      password: String(process.env.MYSQL_PASS),
+      database: String(process.env.MYSQL_DB),
+    });
+
+    const [result] = await conn.query('SELECT NOW();');
+    const [row] = result;
+    const returnedDate = row['NOW()'];
+    t.ok(returnedDate.getTime(), 'should have valid returned date object');
+
+    await conn.end();
+    connector.close();
+  });
+
+  t.test('open IAM connection and run basic mysql commands', async t => {
+    const connector = new Connector();
+    const clientOpts = await connector.getOptions({
+      instanceConnectionName: String(process.env.MYSQL_IAM_CONNECTION_NAME),
+      ipType: IpAddressTypes.PUBLIC,
+      authType: AuthTypes.IAM,
+    });
+    const conn = await mysql.createConnection({
+      ...clientOpts,
+      user: String(process.env.MYSQL_IAM_USER),
+      database: String(process.env.MYSQL_DB),
+    });
+
+    const [[result]] = await conn.query('SELECT NOW();');
+    const returnedDate = result['NOW()'];
+    t.ok(returnedDate.getTime(), 'should have valid returned date object');
+
+    await conn.end();
+    connector.close();
+  });
+}
+export {mysqlTests};