Abdi mohamud

README.md

@@ -10,3 +10,15 @@ Guided project for **Node Server Testing** Module.
 - [ ] type `npm run server` to start the API.
 
 Please follow along as the instructor adds automated tests to the API.
+
+## Testing an API
+
+- run the server on a port
+- make an request to the endpoint (may or may not include data)
+- inspect the result to the endpoint to see if it is what I expected
+
+- npm i supertest jest
+- add test script : "test": "jest --watch"
+- add environment : "jest":{ "testEnvironment":"node"}
+
+Jest will default to running code in an environment similar to a web browser. For testing node servers, we need to change that option

api/server.js

@@ -10,6 +10,10 @@ server.get("/", (req, res) => {
   res.status(200).json({ api: "up" });
 });
 
+// returns http 200
+// returns json
+// the body has an api property and the values is up
+
 server.get("/hobbits", (req, res) => {
   Hobbits.getAll()
     .then(hobbits => {

api/server.spec.js

@@ -0,0 +1,27 @@
+const supertest = require('supertest')
+const { intersect } = require('../data/dbConfig')
+const server = require('./server')
+
+
+describe('server', () => {
+    describe('GET', () => {
+        it ("should return 200", () => {
+            return supertest(server).get('/').then (res=> {expect(res.status).toBe(200)})
+        })
+        // it('should have a body', () => {
+        //     return supertest(server).get('/').then(res => {expect(res.body).toEqual({api:"up"})} )
+        // })
+        it('should have a body api:up', () => {
+            return supertest(server).get('/').then(res => {expect(res.body.api).toBe("up")} )
+        })
+
+        it("should return JSON", () => {
+            return supertest(server)
+                .get("/")
+                .then(res => {
+                    expect(res.type).toMatch(/json/i);
+                });
+        });
+
+    }) 
+})

index.js

@@ -2,5 +2,7 @@ require('dotenv').config();
 
 const server = require('./api/server.js');
 
+
+
 const port = process.env.PORT || 5000;
 server.listen(port, () => console.log(`\n** server up on port ${port} **\n`));

package.json

@@ -5,17 +5,24 @@
     "main": "index.js",
     "scripts": {
         "server": "nodemon index.js",
-        "start": "node index.js"
+        "start": "node index.js",
+        "test": "jest --watch"
     },
     "keywords": [],
     "author": "Lambda School",
     "dependencies": {
         "dotenv": "^8.2.0",
         "express": "^4.17.1",
+        "jest": "^26.5.3",
         "knex": "^0.21.6",
-        "sqlite3": "^5.0.0"
+        "pg": "^8.4.1",
+        "sqlite3": "^5.0.0",
+        "supertest": "^5.0.0"
     },
     "devDependencies": {
         "nodemon": "^2.0.5"
+    },
+    "jest": {
+        "testEnvironment": "node"
     }
 }