From efb9bffbc82aaf024c89e6da3b70c0c526f41a54 Mon Sep 17 00:00:00 2001
From: Alaa <angnm38@gmail.com>
Date: Wed, 29 Oct 2025 20:17:39 +0100
Subject: [PATCH 1/6] Add hackYourTemp project

---
 assignments/hackyourtemperature/package.json | 23 ++++++++++++++++++++
 assignments/hackyourtemperature/server.js    | 22 +++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 assignments/hackyourtemperature/package.json
 create mode 100644 assignments/hackyourtemperature/server.js

diff --git a/assignments/hackyourtemperature/package.json b/assignments/hackyourtemperature/package.json
new file mode 100644
index 000000000..bcff9364a
--- /dev/null
+++ b/assignments/hackyourtemperature/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "hackyourtemperature",
+  "version": "1.0.0",
+  "main": "server.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node server.js",
+    "dev": "nodemon server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "express": "^5.1.0",
+    "express-handlebars": "^8.0.1",
+    "node-fetch": "^3.3.2"
+  },
+  "devDependencies": {
+    "nodemon": "^3.1.10"
+  }
+}
diff --git a/assignments/hackyourtemperature/server.js b/assignments/hackyourtemperature/server.js
new file mode 100644
index 000000000..8d7f51895
--- /dev/null
+++ b/assignments/hackyourtemperature/server.js
@@ -0,0 +1,22 @@
+import express from "express";
+const app = express();
+const port = 3000;
+
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+
+app.get("/", (req, res) => {
+  res.send(`hello from backend to frontend!`);
+});
+
+app.post("/weather", (req, res) => {
+  const { cityName } = req.body;
+  if (!cityName) {
+    return res.status(400).json({ msg: "City name is required." });
+  }
+  res.send(cityName);
+});
+
+app.listen(port, () => {
+  console.log(`server is running on port ${port}`);
+});

From c836e868785c4622db351d9a8ad6761c36142f13 Mon Sep 17 00:00:00 2001
From: Alaa <angnm38@gmail.com>
Date: Wed, 5 Nov 2025 22:10:16 +0100
Subject: [PATCH 2/6] Alaa_Nasher-w2-node.js

---
 assignments/config-files/jest.config.js       |  1 +
 .../hackyourtemperature/__tests__/app.test.js | 65 +++++++++++++++++++
 assignments/hackyourtemperature/app.js        | 36 ++++++++++
 .../hackyourtemperature/babel.config.cjs      | 13 ++++
 .../hackyourtemperature/jest.config.js        |  8 +++
 assignments/hackyourtemperature/package.json  |  9 ++-
 assignments/hackyourtemperature/server.js     | 19 +-----
 .../hackyourtemperature/sources/keys.js       |  5 ++
 8 files changed, 137 insertions(+), 19 deletions(-)
 create mode 100644 assignments/hackyourtemperature/__tests__/app.test.js
 create mode 100644 assignments/hackyourtemperature/app.js
 create mode 100644 assignments/hackyourtemperature/babel.config.cjs
 create mode 100644 assignments/hackyourtemperature/jest.config.js
 create mode 100644 assignments/hackyourtemperature/sources/keys.js

diff --git a/assignments/config-files/jest.config.js b/assignments/config-files/jest.config.js
index 19ba9649e..463c210da 100644
--- a/assignments/config-files/jest.config.js
+++ b/assignments/config-files/jest.config.js
@@ -1,3 +1,4 @@
+console.log("Jest config loaded");
 export default {
   // Tells jest that any file that has 2 .'s in it and ends with either js or jsx should be run through the babel-jest transformer
   transform: {
diff --git a/assignments/hackyourtemperature/__tests__/app.test.js b/assignments/hackyourtemperature/__tests__/app.test.js
new file mode 100644
index 000000000..e1c294ffe
--- /dev/null
+++ b/assignments/hackyourtemperature/__tests__/app.test.js
@@ -0,0 +1,65 @@
+import app from "../app.js";
+import supertest from "supertest";
+import fetch from "node-fetch";
+
+jest.mock("node-fetch");
+const request = supertest(app);
+
+describe("POST /", () => {
+  it("Quick test", () => {
+    expect(1).toBe(1);
+  });
+});
+
+describe("Test GET /", () => {
+  test("Send hello to backend", async () => {
+    const res = await request.get("/");
+
+    expect(res.statusCode).toBe(200);
+    expect(res.text).toBe("hello from backend to frontend!");
+  });
+});
+
+describe("Test POST /weather", () => {
+  test("Return city name is required.", async () => {
+    const city = " ";
+
+    const res = await request.post("/weather").send({ cityName: city });
+
+    expect(res.statusCode).toBe(400);
+    expect(res.body).toEqual({ msg: "City name is required." });
+  });
+});
+
+//test the happy path: when the user sends a valid city name, the API returns weather data.
+describe("Test POST /weather", () => {
+  test("Return temperature data", async () => {
+    const city = "amsterdam";
+    fetch.mockResolvedValue({
+      ok: true,
+      json: async () => ({
+        name: "Amsterdam",
+        main: { temp: 286.78 },
+      }),
+    });
+    const res = await request.post("/weather").send({ cityName: city });
+
+    expect(res.statusCode).toBe(200);
+    expect(res.body.main.temp).toBe(286.78);
+  });
+});
+
+describe("Test POST /weather", () => {
+  test("Return city not found", async () => {
+    const city = "amsterddam";
+
+    fetch.mockResolvedValue({
+      ok: false,
+      json: async () => ({}),
+    });
+    const res = await request.post("/weather").send({ cityName: city });
+
+    expect(res.statusCode).toBe(400);
+    expect(res.body).toEqual({ weatherText: "City is not found!" });
+  });
+});
diff --git a/assignments/hackyourtemperature/app.js b/assignments/hackyourtemperature/app.js
new file mode 100644
index 000000000..312e70e45
--- /dev/null
+++ b/assignments/hackyourtemperature/app.js
@@ -0,0 +1,36 @@
+import express from "express";
+import fetch from "node-fetch";
+import { keys } from "./sources/keys.js";
+
+const app = express();
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+
+app.get("/", (req, res) => {
+  res.status(200).send(`hello from backend to frontend!`);
+});
+
+app.post("/weather", async (req, res) => {
+  const { cityName } = req.body;
+  if (!cityName || cityName.trim() === "") {
+    return res.status(400).json({ msg: "City name is required." });
+  }
+
+  const url = `https://api.openweathermap.org/data/2.5/weather?q=${encodeURIComponent(
+    cityName.trim()
+  )}&appid=${keys.API_KEY}`;
+
+  try {
+    const response = await fetch(url);
+    if (!response.ok) {
+      return res.status(400).json({ weatherText: "City is not found!" });
+    }
+    const data = await response.json();
+
+    return res.json({ main: data.main });
+  } catch (error) {
+    res.send(error);
+  }
+});
+
+export default app;
diff --git a/assignments/hackyourtemperature/babel.config.cjs b/assignments/hackyourtemperature/babel.config.cjs
new file mode 100644
index 000000000..fbb629af6
--- /dev/null
+++ b/assignments/hackyourtemperature/babel.config.cjs
@@ -0,0 +1,13 @@
+module.exports = {
+  presets: [
+    [
+      // This is a configuration, here we are telling babel what configuration to use
+      "@babel/preset-env",
+      {
+        targets: {
+          node: "current",
+        },
+      },
+    ],
+  ],
+};
diff --git a/assignments/hackyourtemperature/jest.config.js b/assignments/hackyourtemperature/jest.config.js
new file mode 100644
index 000000000..19ba9649e
--- /dev/null
+++ b/assignments/hackyourtemperature/jest.config.js
@@ -0,0 +1,8 @@
+export default {
+  // Tells jest that any file that has 2 .'s in it and ends with either js or jsx should be run through the babel-jest transformer
+  transform: {
+    "^.+\\.jsx?$": "babel-jest",
+  },
+  // By default our `node_modules` folder is ignored by jest, this tells jest to transform those as well
+  transformIgnorePatterns: [],
+};
diff --git a/assignments/hackyourtemperature/package.json b/assignments/hackyourtemperature/package.json
index bcff9364a..5ad612975 100644
--- a/assignments/hackyourtemperature/package.json
+++ b/assignments/hackyourtemperature/package.json
@@ -4,7 +4,7 @@
   "main": "server.js",
   "type": "module",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "jest",
     "start": "node server.js",
     "dev": "nodemon server.js"
   },
@@ -18,6 +18,11 @@
     "node-fetch": "^3.3.2"
   },
   "devDependencies": {
-    "nodemon": "^3.1.10"
+    "@babel/core": "^7.28.5",
+    "@babel/preset-env": "^7.28.5",
+    "babel-jest": "^30.2.0",
+    "jest": "^30.2.0",
+    "nodemon": "^3.1.10",
+    "supertest": "^7.1.4"
   }
 }
diff --git a/assignments/hackyourtemperature/server.js b/assignments/hackyourtemperature/server.js
index 8d7f51895..7297c6dd8 100644
--- a/assignments/hackyourtemperature/server.js
+++ b/assignments/hackyourtemperature/server.js
@@ -1,21 +1,6 @@
-import express from "express";
-const app = express();
-const port = 3000;
-
-app.use(express.json());
-app.use(express.urlencoded({ extended: false }));
-
-app.get("/", (req, res) => {
-  res.send(`hello from backend to frontend!`);
-});
+import app from "./app.js";
 
-app.post("/weather", (req, res) => {
-  const { cityName } = req.body;
-  if (!cityName) {
-    return res.status(400).json({ msg: "City name is required." });
-  }
-  res.send(cityName);
-});
+const port = 3000;
 
 app.listen(port, () => {
   console.log(`server is running on port ${port}`);
diff --git a/assignments/hackyourtemperature/sources/keys.js b/assignments/hackyourtemperature/sources/keys.js
new file mode 100644
index 000000000..8f20bf7ef
--- /dev/null
+++ b/assignments/hackyourtemperature/sources/keys.js
@@ -0,0 +1,5 @@
+// export const API_KEY =
+
+export const keys = {
+  API_KEY: "956083ea6214eb0860356f86d344277b",
+};

From ac88165a2e06cc1eca4dfafdba27f632224138b7 Mon Sep 17 00:00:00 2001
From: Alaa <angnm38@gmail.com>
Date: Wed, 5 Nov 2025 22:18:34 +0100
Subject: [PATCH 3/6] Add sources to gitIgnore

---
 .gitignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.gitignore b/.gitignore
index b6b402ed9..192219427 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ yarn-error.log
 *.bkp
 
 week3/prep-exercise/server-demo/
+assignments/hackyourtemperature/sources/

From 414c830cee77bc8a3b71fc709b15fcd7c4d48ed1 Mon Sep 17 00:00:00 2001
From: alaa <angnm38@gmail.com>
Date: Wed, 5 Nov 2025 22:23:03 +0100
Subject: [PATCH 4/6] Update .gitignore to exclude additional directories

---
 .gitignore | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 192219427..80ca519ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,6 @@ npm-debug.log
 package-lock.json
 yarn-error.log
 *.bkp
-
+sources/
 week3/prep-exercise/server-demo/
 assignments/hackyourtemperature/sources/

From c94cfee8ec88c293e58d306f0891efb8c43cc482 Mon Sep 17 00:00:00 2001
From: alaa <angnm38@gmail.com>
Date: Wed, 5 Nov 2025 22:28:07 +0100
Subject: [PATCH 5/6] Update .gitignore to exclude specific files

Removed specific source directories and added keys.js to .gitignore.
---
 .gitignore | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index 80ca519ca..02fe5a078 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,11 +1,13 @@
 .DS_Store
 bin
+sources
 assignments-solution
 node_modules
 npm-debug.log
 package-lock.json
 yarn-error.log
 *.bkp
-sources/
+
 week3/prep-exercise/server-demo/
-assignments/hackyourtemperature/sources/
+assignments/hackyourtemperature/sources/keys.js
+

From 9f3382283e1fe928383c964a5d21221ef9658884 Mon Sep 17 00:00:00 2001
From: Alaa <angnm38@gmail.com>
Date: Wed, 5 Nov 2025 22:24:33 +0100
Subject: [PATCH 6/6] Stop tracking keys.js and ignore sources folder

---
 assignments/hackyourtemperature/sources/keys.js | 5 -----
 1 file changed, 5 deletions(-)
 delete mode 100644 assignments/hackyourtemperature/sources/keys.js

diff --git a/assignments/hackyourtemperature/sources/keys.js b/assignments/hackyourtemperature/sources/keys.js
deleted file mode 100644
index 8f20bf7ef..000000000
--- a/assignments/hackyourtemperature/sources/keys.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// export const API_KEY =
-
-export const keys = {
-  API_KEY: "956083ea6214eb0860356f86d344277b",
-};