Feras Aldemashki w2 node

.gitignore

@@ -6,5 +6,5 @@ npm-debug.log
 package-lock.json
 yarn-error.log
 *.bkp
-
+keys.js
 week3/prep-exercise/server-demo/

assignments/hackyourtemperature/__tests__/app.test.js

@@ -0,0 +1,41 @@
+import app from "../app.js";
+import request from "supertest";
+
+describe("GIT /", () => {
+  describe("send a welcome message to frontend", () => {
+    test("should respond with a 200 status and say hello to frontend", async () => {
+      const response = await request(app).get("/");
+
+      expect(response.statusCode).toBe(200);
+      expect(response.text).toEqual("hello from backend to frontend!");
+    });
+  });
+});
+
+describe("POST /weather", () => {
+  describe("given a valid city name", () => {
+    test("should respond with a 200 status", async () => {
+      const response = await request(app).post("/weather").send({
+        cityName: "London",
+      });
+      expect(response.statusCode).toBe(200);
+      expect(response.body).toContain("London");
+    });
+  });
+  describe("given an unvalued city name ", () => {
+    test("should respond with a 404 status code if no city found in data", async () => {
+      const response = await request(app).post("/weather").send({
+        cityName: "anything except  a real city ",
+      });
+      expect(response.statusCode).toBe(404);
+      expect(response.body).toEqual({ weatherText: "City is not found!" });
+    });
+  });
+  describe("when city name is missing", () => {
+    test("should respond with a 400 status code if no city name provided", async () => {
+      const response = await request(app).post("/weather").send({});
+      expect(response.statusCode).toBe(400);
+      expect(response.body).toEqual({ message: "no city name provided" });
+    });
+  });
+});

assignments/hackyourtemperature/app.js

@@ -0,0 +1,32 @@
+import express, { response } from "express";
+import fetch from "node-fetch";
+import { API_KEY } from "./sources/keys.js";
+
+const app = express();
+app.use(express.json());
+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) {
+    return res.status(400).json({ message: "no city name provided" });
+  }
+  try {
+    const response = await fetch(
+      `https://api.openweathermap.org/data/2.5/weather?q=${cityName}&appid=${API_KEY}&units=metric`
+    );
+    if (!response.ok) {
+      return res.status(404).json({ weatherText: "City is not found!" });
+    }
+
+    const data = await response.json();
+    const { temp } = data.main;
+
+    res.status(200).json(`the temp in ${cityName} is: ${temp}`);
+  } catch (error) {
+    console.log(error);
+    res.status(500).json({ message: error });
+  }
+});
+export default app;

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",
+        },
+      },
+    ],
+  ],
+};

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: [],
+};

assignments/hackyourtemperature/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "week2",
+  "version": "1.0.0",
+  "description": "## Agenda",
+  "main": "server.js",
+  "scripts": {
+    "test": "jest"
+  },
+  "keywords": [],
+  "author": "Feras Aldemashki",
+  "license": "ISC",
+  "type": "module",
+  "dependencies": {
+    "express": "^4.21.2",
+    "express-handlebars": "^8.0.1",
+    "node-fetch": "^3.3.2"
+  },
+  "devDependencies": {
+    "@babel/preset-env": "^7.26.9",
+    "babel-jest": "^29.7.0",
+    "jest": "^29.7.0",
+    "nodemon": "^3.1.9",
+    "supertest": "^7.0.0"
+  }
+}

assignments/hackyourtemperature/server.js

@@ -0,0 +1,6 @@
+import app from "./app.js";
+const port = 3000;
+
+app.listen(port, () => {
+  console.log(`server is running on port: ${port}`);
+});