feat: US-003 - Create pg-connect fixture

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

Author: NathanFlurry

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

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

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

@@ -0,0 +1,8 @@
+{
+	"name": "e2e-docker-pg-connect",
+	"private": true,
+	"type": "commonjs",
+	"dependencies": {
+		"pg": "8.13.1"
+	}
+}

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

@@ -0,0 +1,39 @@
+const { Client } = require("pg");
+
+async function main() {
+	const client = new Client({
+		host: process.env.PG_HOST,
+		port: Number(process.env.PG_PORT),
+		user: "testuser",
+		password: "testpass",
+		database: "testdb",
+	});
+
+	await client.connect();
+
+	await client.query(
+		"CREATE TABLE IF NOT EXISTS test_e2e (id SERIAL PRIMARY KEY, value TEXT)",
+	);
+	await client.query("INSERT INTO test_e2e (value) VALUES ($1)", [
+		"hello-sandbox",
+	]);
+	const res = await client.query(
+		"SELECT value FROM test_e2e WHERE value = $1",
+		["hello-sandbox"],
+	);
+	await client.query("DROP TABLE test_e2e");
+	await client.end();
+
+	console.log(
+		JSON.stringify({
+			connected: true,
+			rowCount: res.rowCount,
+			value: res.rows[0].value,
+		}),
+	);
+}
+
+main().catch((err) => {
+	console.error(err.message);
+	process.exit(1);
+});