mach/modules/middleware/__tests__/catch-test.js

HTTP for JavaScript

var assert = require('assert');
var expect = require('expect');
var callApp = require('../../utils/callApp');
var catchMiddleware = require('../catch');

describe('middleware/catch', function () {
  describe('when an Error is thrown from downstream', function () {
    it('throws it', function () {
      return callApp(
        catchMiddleware(function () {
          throw new Error('boom!');
        })
      ).then(function () {
        assert(false);
      }, function (error) {
        assert(error);
      });
    });
  });

  describe('when a non-Error is thrown from downstream', function () {
    it('returns it', function () {
      return callApp(
        catchMiddleware(function () {
          throw 404;
        })
      ).then(function (conn) {
        expect(conn.status).toEqual(404);
      });
    });
  });
});