How to unit test with a file upload in mocha

Question

I have an app built on Express.js and I'd like to test the file upload functionality. I'm trying to reproduce the object parsed to req.files (when using express.bodyParser middleware). How can I do this?

Answer 1

Here is an example of how you would do it with supertest module.

var should = require('should'),     supertest = require('supertest'); var request = supertest('localhost:3000');  describe('upload', function() {     it('a file', function(done) {        request.post('/your/endpoint')               .field('extra_info', '{"in":"case you want to send json along with your file"}')               .attach('image', 'path/to/file.jpg')               .end(function(err, res) {                   res.should.have.status(200); // 'success' status                   done();               });     }); });