From f615e1be3fda586ba7c782ed6f667acd7c141599 Mon Sep 17 00:00:00 2001
From: Priyansh Narang <145008344+priyansh-narang2308@users.noreply.github.com>
Date: Wed, 7 Jan 2026 23:07:41 +0530
Subject: [PATCH 1/3] test: add unit tests and opt express_pg_sequelize
 template

---
 templates/express_pg_sequelize/.gitignore   |  3 ++
 templates/express_pg_sequelize/app.test.js  | 31 +++++++++++++++++++++
 templates/express_pg_sequelize/index.js     | 12 +++++---
 templates/express_pg_sequelize/package.json |  7 +++--
 4 files changed, 47 insertions(+), 6 deletions(-)
 create mode 100644 templates/express_pg_sequelize/.gitignore
 create mode 100644 templates/express_pg_sequelize/app.test.js

diff --git a/templates/express_pg_sequelize/.gitignore b/templates/express_pg_sequelize/.gitignore
new file mode 100644
index 00000000..ba920d3a
--- /dev/null
+++ b/templates/express_pg_sequelize/.gitignore
@@ -0,0 +1,3 @@
+node_modules
+.env
+coverage
diff --git a/templates/express_pg_sequelize/app.test.js b/templates/express_pg_sequelize/app.test.js
new file mode 100644
index 00000000..bf2d9780
--- /dev/null
+++ b/templates/express_pg_sequelize/app.test.js
@@ -0,0 +1,31 @@
+import request from "supertest";
+import { jest } from "@jest/globals";
+import app from "./index.js";
+import db from "./db.js";
+jest.mock("./db.js", () => ({
+    authenticate: jest.fn(() => Promise.resolve()),
+    query: jest.fn(() => Promise.resolve([[{ "now()": new Date() }], {}])),
+}));
+describe("express_pg_sequelize API Endpoints", () => {
+    it("should return welcome message on GET /", async () => {
+        const res = await request(app).get("/");
+        expect(res.statusCode).toEqual(200);
+        expect(res.text).toBe("Hello, Express with PostgreSQL!");
+    });
+
+    it("should return DB query results on GET /db-test", async () => {
+        const res = await request(app).get("/db-test");
+        expect(res.statusCode).toEqual(200);
+        expect(res.body.message).toBe("DB Query Successful!");
+        expect(res.body.data).toBeDefined();
+    });
+
+    it("should handle DB errors on GET /db-test", async () => {
+        db.query.mockImplementationOnce(() =>
+            Promise.reject(new Error("DB Error")),
+        );
+        const res = await request(app).get("/db-test");
+        expect(res.statusCode).toEqual(500);
+        expect(res.body.message).toBe("Error querying the database");
+    });
+});
diff --git a/templates/express_pg_sequelize/index.js b/templates/express_pg_sequelize/index.js
index 8cda3f95..eca9f27d 100644
--- a/templates/express_pg_sequelize/index.js
+++ b/templates/express_pg_sequelize/index.js
@@ -27,7 +27,7 @@ app.get("/db-test", async (req, res) => {
         const [results, metadata] = await db.query("SELECT NOW()");
         return res
             .status(200)
-            .json({ message: "DB query successful!", data: results });
+            .json({ message: "DB Query Successful!", data: results });
     } catch (error) {
         return res
             .status(500)
@@ -36,6 +36,10 @@ app.get("/db-test", async (req, res) => {
 });
 
 // Start the server
-app.listen(appConfig.PORT, () => {
-    console.log(`Server is running on http://localhost:${appConfig.PORT}`);
-});
+if (process.env.NODE_ENV !== "test") {
+    app.listen(appConfig.PORT, () => {
+        console.log(`Server is running on http://localhost:${appConfig.PORT}`);
+    });
+}
+
+export default app;
diff --git a/templates/express_pg_sequelize/package.json b/templates/express_pg_sequelize/package.json
index 950f7ade..12a12c7a 100644
--- a/templates/express_pg_sequelize/package.json
+++ b/templates/express_pg_sequelize/package.json
@@ -4,7 +4,8 @@
     "main": "index.js",
     "scripts": {
         "start": "node index.js",
-        "dev": "nodemon index.js"
+        "dev": "nodemon index.js",
+        "test": "node --experimental-vm-modules node_modules/jest/bin/jest.js"
     },
     "dependencies": {
         "express": "^4.17.1",
@@ -14,6 +15,8 @@
         "dotenv": "^16.4.7"
     },
     "devDependencies": {
-        "nodemon": "^3.1.9"
+        "nodemon": "^3.1.9",
+        "jest": "^29.7.0",
+        "supertest": "^7.0.0"
     }
 }

From 4aad91f72d7c68767ad6dd1ada323a82debb78a8 Mon Sep 17 00:00:00 2001
From: Priyansh Narang <145008344+priyansh-narang2308@users.noreply.github.com>
Date: Wed, 7 Jan 2026 23:23:57 +0530
Subject: [PATCH 2/3] test: add express_pg_sequelize unit tests and fix ES
 module config

---
 package.json                                |  3 +++
 templates/express_pg_sequelize/app.test.js  | 17 +++++++++++------
 templates/express_pg_sequelize/package.json |  1 +
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/package.json b/package.json
index 28f0922d..0370af01 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,10 @@
         "dotenv": "^16.4.7",
         "express": "^4.21.2",
         "jest": "^29.7.0",
+        "pg": "^8.16.3",
+        "pg-hstore": "^2.3.4",
         "prettier": "3.4.2",
+        "sequelize": "^6.37.7",
         "supertest": "^7.0.0",
         "vitepress": "^1.5.0"
     },
diff --git a/templates/express_pg_sequelize/app.test.js b/templates/express_pg_sequelize/app.test.js
index bf2d9780..a8dabc3f 100644
--- a/templates/express_pg_sequelize/app.test.js
+++ b/templates/express_pg_sequelize/app.test.js
@@ -1,11 +1,16 @@
-import request from "supertest";
 import { jest } from "@jest/globals";
-import app from "./index.js";
-import db from "./db.js";
-jest.mock("./db.js", () => ({
-    authenticate: jest.fn(() => Promise.resolve()),
-    query: jest.fn(() => Promise.resolve([[{ "now()": new Date() }], {}])),
+import request from "supertest";
+
+jest.unstable_mockModule("./db.js", () => ({
+    default: {
+        authenticate: jest.fn(() => Promise.resolve()),
+        query: jest.fn(() => Promise.resolve([[{ "now()": new Date() }], {}])),
+    },
 }));
+
+const { default: app } = await import("./index.js");
+const { default: db } = await import("./db.js");
+
 describe("express_pg_sequelize API Endpoints", () => {
     it("should return welcome message on GET /", async () => {
         const res = await request(app).get("/");
diff --git a/templates/express_pg_sequelize/package.json b/templates/express_pg_sequelize/package.json
index 12a12c7a..902e3a43 100644
--- a/templates/express_pg_sequelize/package.json
+++ b/templates/express_pg_sequelize/package.json
@@ -7,6 +7,7 @@
         "dev": "nodemon index.js",
         "test": "node --experimental-vm-modules node_modules/jest/bin/jest.js"
     },
+    "type": "module",
     "dependencies": {
         "express": "^4.17.1",
         "pg": "^8.6.0",

From caf3efbb162d1a053982493d1af9c9b89cff8db6 Mon Sep 17 00:00:00 2001
From: Priyansh Narang <145008344+priyansh-narang2308@users.noreply.github.com>
Date: Thu, 8 Jan 2026 00:21:23 +0530
Subject: [PATCH 3/3] test: rename express_pg_sequelize test file to
 index.test.js for readability

---
 templates/express_pg_sequelize/{app.test.js => index.test.js} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename templates/express_pg_sequelize/{app.test.js => index.test.js} (100%)

diff --git a/templates/express_pg_sequelize/app.test.js b/templates/express_pg_sequelize/index.test.js
similarity index 100%
rename from templates/express_pg_sequelize/app.test.js
rename to templates/express_pg_sequelize/index.test.js