fix

dao/create_tables.sql

+DROP TABLE IF EXISTS person;
+
 CREATE TABLE person  (
   id int(11) NOT NULL AUTO_INCREMENT,
   navn varchar(256) NOT NULL,

dao/persondao.js

@@ -21,4 +21,23 @@ module.exports = class PersonDao extends Dao {
       callback
     );
   }
+
+  updateOne(json, callback){
+    var val = [json.navn, json.alder, json.adresse, json.id];
+    super.query(
+      "update person set navn=?, alder=?, adresse=? where id=?",
+      val,
+      callback
+    );
+  }
+
+  deleteOne(id, callback){
+    super.query(
+      "delete from person where id = ?",
+      [id],
+      callback
+    );
+  }
+
+  
 };

dao/persondao.test.js

@@ -22,6 +22,10 @@ beforeAll(done => {
   });
 });
 
+afterAll(() =>{
+  pool.end();
+});
+
 test("get one person from db", done => {
   function callback(status, data) {
     console.log(
@@ -73,3 +77,29 @@ test("get all persons from db", done => {
 
   personDao.getAll(callback);
 });
+
+test("delete person from db", done => {
+  function callback(status, data) {
+    console.log(
+      "Test callback: status=" + status + ", data.length=" + data.length
+    );
+    expect(data.length).toBeLessThan(2);
+    done();
+  }
+
+  personDao.deleteOne({id: 1}, callback);
+});
+
+test("update person in db", done => {
+  function callback(status, data){
+    console.log(
+      "Test callback: status=" + status + ", data=" + JSON.stringify(data)
+    );
+    expect(data.affectedRows).toBeGreaterThanOrEqual(2);
+    done();
+  }
+
+  personDao.updateOne(
+    {navn: "Kåre Heia", alder: 100, adresse: "Apalveien 11", id: 2}, callback
+  );
+})

package.json

@@ -13,10 +13,12 @@
     "body-parser": "^1.18.3",
     "express": "^4.16.3",
     "fs": "0.0.1-security",
-    "jest": "^23.6.0",
     "mysql": "^2.16.0"
   },
   "scripts": {
     "test": "jest"
+  },
+  "devDependencies": {
+    "jest": "^23.6.0"
   }
 }

server.js

@@ -41,4 +41,20 @@ app.post("/person", (req, res) => {
   });
 });
 
+app.put("/person/:personId", (req, res) => {
+  console.log("/person/:personId: fikk request fra klient");
+  personDao.updateOne(req.body, (status, data) => {
+    res.status(status);
+    res.json(data);
+  });
+});
+
+app.delete("/person/:personId", (req, res) => {
+  console.log("/perosn/:personId: fikk request fra klient");
+  personDao.deleteOne(req.params.personId, (status, data) =>{
+    res.status(status);
+    res.json(data);
+  });
+});
+
 var server = app.listen(8080);