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  • License MIT

serve express middleware once

Package Exports

  • serve-once

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (serve-once) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

Serve Once License NPM version Dependency Status Build Status Coverage Status

Serve express middleware once.

  1. creates http server on a free port
  2. uses passed express middleware
  3. serve exectly 1 request
  4. closes http server
  5. pullout body of request stream
  6. resolves request promise with a response

Good for middleware logic testing.

Install

npm i serve-once

API

const middleware = (options = 'hello') => (req, res) => {
    res.end(JSON.stringify(options));
};

const {request} = require('serve-once')(middleware);

await request('get', '/');
// returns
'hello'

await request.get('/', {
    options: 'any'
});
// returns
'any'

You can send body:

const pullout = require('pullout');
const putMiddleware = () => async (req, res) => {
    const body = await pullout(req);
    res.end(body);
};

const {request} = require('serve-once')(putMiddleware);
const {body} = await request.put('/', {
    body: [1, 2, 3],
});

console.log(JSON.parse(body));
// returns
[1, 2, 3]

You can use default options:

// default options
const middleware = (options) => (req, res) => {
    res.end(JSON.stringify(options));
};

const {request} = require('serve-once')(middleware, {
    a: 1,
});

const options = {
    b: 2,
};

const {body} = await request.get('/', {options});
JSON.parse(body);
// returns
{
    a: 1,
    b: 2,
}

License

MIT