text: 'use strict'
  
  const Joi = require('joi')
  const { ServiceTester } = require('../tester')
  const { isMetric, isMetricOverTimePeriod } = require('../test-validators')
  
  const isHexpmVersion = Joi.string().regex(/^v\d+.\d+.?\d?$/)
  
  const t = (module.exports = new ServiceTester({ id: 'hexpm', title: 'Hex.pm' }))
  
  t.create('downloads per week')
    .get('/dw/cowboy.json')
    .expectBadge({ label: 'downloads', message: isMetricOverTimePeriod })
  
  t.create('downloads per day')
    .get('/dd/cowboy.json')
    .expectBadge({ label: 'downloads', message: isMetricOverTimePeriod })
  
  t.create('downloads (zero for period)')
    .get('/dd/cowboy.json')
    .intercept(nock =>
      nock('https://hex.pm/')
        .get('/api/packages/cowboy')
        .reply(200, {
          downloads: { all: 100 }, // there is no 'day' key here
          latest_stable_version: '1.0',
          meta: { licenses: ['MIT'] },
        })
    )
    .expectBadge({ label: 'downloads', message: '0/day' })
  
  t.create('downloads in total')
    .get('/dt/cowboy.json')
    .expectBadge({ label: 'downloads', message: isMetric })
  
  t.create('downloads (not found)')
    .get('/dt/this-package-does-not-exist.json')
    .expectBadge({ label: 'downloads', message: 'not found' })
  
  t.create('version')
    .get('/v/cowboy.json')
    .expectBadge({ label: 'hex', message: isHexpmVersion })
  
  t.create('version (not found)')
    .get('/v/this-package-does-not-exist.json')
    .expectBadge({ label: 'hex', message: 'not found' })
  
  t.create('license').get('/l/cowboy.json').expectBadge({
    label: 'license',
    message: Joi.string().required(),
    color: 'blue',
  })
  
  t.create('license (multiple licenses)')
    .get('/l/cowboy.json')
    .intercept(nock =>
      nock('https://hex.pm/')
        .get('/api/packages/cowboy')
        .reply(200, {
          downloads: { all: 100 },
          latest_stable_version: '1.0',
          meta: { licenses: ['GPLv2', 'MIT'] },
        })
    )
    .expectBadge({
      label: 'licenses',
      message: 'GPLv2, MIT',
      color: 'blue',
    })
  
  t.create('license (no license)')
    .get('/l/cowboy.json')
    .intercept(nock =>
      nock('https://hex.pm/')
        .get('/api/packages/cowboy')
        .reply(200, {
          downloads: { all: 100 },
          latest_stable_version: '1.0',
          meta: { licenses: [] },
        })
    )
    .expectBadge({
      label: 'license',
      message: 'Unknown',
      color: 'lightgrey',
    })
  
  t.create('license (not found)')
    .get('/l/this-package-does-not-exist.json')
    .expectBadge({ label: 'license', message: 'not found' })
  