verdaccio/test/functional/performance/race.js

import assert from 'assert';
import async from 'async';

let _oksum = 0;
const racePkg = require('../fixtures/package');

export default function(server) {

  describe('race', () => {
    beforeAll(function () {
      return server.putPackage('race', racePkg('race'))
        .status(201)
        .body_ok(/created new package/);
    });

    test('creating new package', () => {});

    test('uploading 10 same versions', callback => {
      let fns = [];
      for (let i = 0; i < 10; i++) {
        fns.push(function (cb_) {
          let data = racePkg('race');
          data.rand = Math.random();

          let _res;
          server.putVersion('race', '0.0.1', data)
            .response(function (res) {
              _res = res;
            })
            .then(function (body) {
              cb_(null, [_res, body]);
            });
        });
      }

      async.parallel(fns, function (err, res) {
        let okcount = 0;
        let failcount = 0;

        assert.equal(err, null);

        res.forEach(function (arr) {
          let resp = arr[0];
          let body = arr[1];

          if (resp.statusCode === 201 && ~body.ok.indexOf('published')) {
            okcount++;
          }
          if (resp.statusCode === 409 && ~body.error.indexOf('already present')) {
            failcount++;
          }
          if (resp.statusCode === 503 && ~body.error.indexOf('unavailable')) {
            failcount++;
          }
        });

        assert.equal(okcount + failcount, 10);
        assert.equal(okcount, 1);
        _oksum += okcount;

        callback();
      });
    });

    test('uploading 10 diff versions', callback => {
      let fns = [];
      for (let i = 0; i < 10; i++) {
        (function (i) {
          fns.push(function (cb_) {
            let _res;
            server.putVersion('race', '0.1.' + String(i), require('../fixtures/package')('race'))
              .response(function (res) {
                _res = res;
              })
              .then(function (body) {
                cb_(null, [_res, body]);
              });
          });
        })(i);
      }

      async.parallel(fns, function (err, res) {
        let okcount = 0;
        let failcount = 0;

        assert.equal(err, null);
        res.forEach(function (arr) {
          let resp = arr[0];
          let body = arr[1];
          if (resp.statusCode === 201 && ~body.ok.indexOf('published')) {
            okcount++;
          }
          if (resp.statusCode === 409 && ~body.error.indexOf('already present')) {
            failcount++;
          }
          if (resp.statusCode === 503 && ~body.error.indexOf('unavailable')) {
            failcount++;
          }
        });
        assert.equal(okcount + failcount, 10);
        assert.notEqual(okcount, 1);
        _oksum += okcount;

        callback();
      });
    });

    afterAll(function () {
      return server.getPackage('race')
        .status(200)
        .then(function (body) {
          assert.equal(Object.keys(body.versions).length, _oksum);
        });
    });
  });
}