feat: US-004 - Create mysql2-connect fixture

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: NathanFlurry

packages/secure-exec/tests/e2e-docker/mysql2-connect/fixture.json

@@ -0,0 +1,9 @@
+{
+	"entry": "src/index.js",
+	"expectation": "fail",
+	"services": ["mysql"],
+	"fail": {
+		"code": 1,
+		"stderrIncludes": "net.connect is not supported in sandbox"
+	}
+}

packages/secure-exec/tests/e2e-docker/mysql2-connect/package.json

@@ -0,0 +1,8 @@
+{
+	"name": "e2e-docker-mysql2-connect",
+	"private": true,
+	"type": "commonjs",
+	"dependencies": {
+		"mysql2": "3.11.5"
+	}
+}

packages/secure-exec/tests/e2e-docker/mysql2-connect/src/index.js

@@ -0,0 +1,37 @@
+const mysql = require("mysql2/promise");
+
+async function main() {
+	const conn = await mysql.createConnection({
+		host: process.env.MYSQL_HOST,
+		port: Number(process.env.MYSQL_PORT),
+		user: "testuser",
+		password: "testpass",
+		database: "testdb",
+	});
+
+	await conn.execute(
+		"CREATE TABLE IF NOT EXISTS test_e2e (id INT AUTO_INCREMENT PRIMARY KEY, value VARCHAR(255))",
+	);
+	await conn.execute("INSERT INTO test_e2e (value) VALUES (?)", [
+		"hello-sandbox",
+	]);
+	const [rows] = await conn.execute(
+		"SELECT value FROM test_e2e WHERE value = ?",
+		["hello-sandbox"],
+	);
+	await conn.execute("DROP TABLE test_e2e");
+	await conn.end();
+
+	console.log(
+		JSON.stringify({
+			connected: true,
+			rowCount: rows.length,
+			value: rows[0].value,
+		}),
+	);
+}
+
+main().catch((err) => {
+	console.error(err.message);
+	process.exit(1);
+});