Add basic tests for express routes

Relates #2

package.json

@@ -4,7 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "node ./tests/express-test.js | tap-spec",
     "start:watch": "nodemon ./src/index.js"
   },
   "repository": {

src/controllers/browse.js

@@ -25,7 +25,7 @@ exports.get = (req, res, next) => {
       },
       data: stuff.rows
     });
-    console.log('this is out stuff: ', stuff);
+    // console.log('this is out stuff: ', stuff);
     // res.rows??
   })
   .catch((stuff, text)=>{

tests/express-test.js

@@ -0,0 +1,47 @@
+const test = require('tape');
+const supertest = require('supertest');
+const app = require('./../src/app');
+
+// check if tape works
+test('1 equals 1', (t) => {
+  t.equals(1, 1, 'one should equal one');
+  t.end();
+});
+
+// check if supetest works
+test('check if supertest works', (t) => {
+  supertest(app)
+    .get('/')
+    .expect(200)
+    .expect('Content-Type', /json/)
+    .end((err, res) => {
+      t.same(res.statusCode, 200, 'Status code is 200');
+      t.end();
+    })
+})
+
+// check we get 404 on non-existing endpoint
+test('404 when endpoint does not exist', (t) => {
+  supertest(app)
+    .get('/bsdjkhgablsg')
+    .expect(404)
+    .expect('Content-Type', /json/)
+    .end((err, res) => {
+      t.same(res.statusCode, 404, 'Status code is 404');
+      t.end();
+    })
+})
+
+test('check prepopulated browse database table', (t) => {
+  supertest(app)
+    .get('/browse')
+    .expect(200)
+    .expect('Content-Type', /json/)
+    .end((err, res) => {
+      let expected = "Movie recommendation app";
+      let actual = res;
+      console.log('res.rows ', res);
+      t.equals(actual, expected, 'Should be Movie recommendation app')
+      t.end();
+    })
+})