A simple express api test using supertest, mocha and chai

simple_supertest_api_test.js

/**
 * app.js
 */

var express = require("express");

var app = express();

app.get('/user', function(req, res) {
  res.status(200).json({ name: "john" });
});

module.exports = app;

//

/**
 * app.test.js
 */
var app = require("../app");
var supertest = require("supertest");
var assert = require("chai").assert;

// Create request object to access app api
var request = supertest(app);

describe("GET /user", () => {
  it("respond with json", () => {
    request
      .get("/user")
      .set("Accept", "application/json")
      .expect("Content-Type", /json/)
      .expect(200)
      .end(function(err, res) {
        if (err) throw err;
        assert.equal(res.body.name, "john");
      });
  });
});