text: var makeTest = require('./context')
  var Bottleneck = require('./bottleneck')
  var assert = require('assert')
  
  describe('Group', function () {
    var c
  
    afterEach(function () {
      return c.limiter.disconnect(false)
    })
  
    it('Should create limiters', function (done) {
      c = makeTest()
      var group = new Bottleneck.Group({
        maxConcurrent: 1, minTime: 100
      })
  
      var results = []
  
      var job = function (...result) {
        results.push(result)
        return new Promise(function (resolve, reject) {
          setTimeout(function () {
            return resolve()
          }, 50)
        })
      }
  
      group.key('A').schedule(job, 1, 2)
      group.key('A').schedule(job, 3)
      group.key('A').schedule(job, 4)
      setTimeout(function () {
        group.key('B').schedule(job, 5)
      }, 20)
      setTimeout(function () {
        group.key('C').schedule(job, 6)
        group.key('C').schedule(job, 7)
      }, 40)
  
      group.key('A').submit(function (cb) {
        c.mustEqual(results, [[1,2], [5], [6], [3], [7], [4]])
        cb()
        done()
      }, null)
    })
  
    it('Should set up the limiter IDs (default)', function () {
      c = makeTest()
      var group = new Bottleneck.Group({
        maxConcurrent: 1, minTime: 100
      })
  
      c.mustEqual(group.key('A').id, 'group-key-A')
      c.mustEqual(group.key('B').id, 'group-key-B')
      c.mustEqual(group.key('XYZ').id, 'group-key-XYZ')
  
      var ids = group.keys().map(function (key) {
        var limiter = group.key(key)
        c.mustEqual(limiter._store.timeout, group.timeout)
        return limiter.id
      })
      c.mustEqual(ids.sort(), ['group-key-A', 'group-key-B', 'group-key-XYZ'])
    })
  
    it('Should set up the limiter IDs (custom)', function () {
      c = makeTest()
      var group = new Bottleneck.Group({
        maxConcurrent: 1, minTime: 100,
        id: 'custom-id'
      })
  
      c.mustEqual(group.key('A').id, 'custom-id-A')
      c.mustEqual(group.key('B').id, 'custom-id-B')
      c.mustEqual(group.key('XYZ').id, 'custom-id-XYZ')
  
      var ids = group.keys().map(function (key) {
        var limiter = group.key(key)
        c.mustEqual(limiter._store.timeout, group.timeout)
        return limiter.id
      })
      c.mustEqual(ids.sort(), ['custom-id-A', 'custom-id-B', 'custom-id-XYZ'])
    })
  
    it('Should pass new limiter to \'created\' event', function () {
      c = makeTest()
      var group = new Bottleneck.Group({
        maxConcurrent: 1, minTime: 100
      })
  
      var keys = []
      var ids = []
      var promises = []
      group.on('created', function (created, key) {
        keys.push(key)
        promises.push(
          created.updateSettings({ id: key })
          .then(function (limiter) {
            ids.push(limiter.id)
          })
        )
      })
  
      group.key('A')
      group.key('B')
      group.key('A')
      group.key('B')
      group.key('B')
      group.key('BB')
      group.key('C')
      group.key('A')
  
      return Promise.all(promises)
      .then(function () {
        c.mustEqual(keys, ids)
        return c.limiter.ready()
      })
  
    })
  
    it('Should pass error on failure', function (done) {
      var failureMessage = 'SOMETHING BLEW UP!!'
      c = makeTest()
      var group = new Bottleneck.Group({
        maxConcurrent: 1, minTime: 100
      })
      c.mustEqual(Object.keys(group.limiters), [])
  
      var results = []
  
      var job = function (...result) {
        results.push(result)
        return new Promise(function (resolve, reject) {
          setTimeout(function () {
            return resolve()
          }, 50)
        })
      }
  
      group.key('A').schedule(job, 1, 2)
      group.key('A').schedule(job, 3)
      group.key('A').schedule(job, 4)
      group.key('B').schedule(() => Promise.reject(new Error(failureMessage)))
      .catch(function (err) {
        results.push(['CAUGHT', err.message])
      })
      setTimeout(function () {
        group.key('C').schedule(job, 6)
        group.key('C').schedule(job, 7)
      }, 40)
  
  
      group.key('A').submit(function (cb) {
        c.mustEqual(results, [[1,2], ['CAUGHT', failureMessage], [6], [3], [7], [4]])
        cb()
        done()
      }, null)
    })
  
    it('Should update its timeout', function () {
      c = makeTest()
      var group1 = new Bottleneck.Group({
        maxConcurrent: 1, minTime: 100
      })
      var group2 = new Bottleneck.Group({
        maxConcurrent: 1, minTime: 100, timeout: 5000
      })
  
      c.mustEqual(group1.timeout, 300000)
      c.mustEqual(group2.timeout, 5000)
  
      var p1 = group1.updateSettings({ timeout: 123 })
      var p2 = group2.updateSettings({ timeout: 456 })
      return Promise.all([p1, p2])
      .then(function () {
        c.mustEqual(group1.timeout, 123)
        c.mustEqual(group2.timeout, 456)
      })
    })
  
    it('Should update its limiter options', function () {
      c = makeTest()
      var group = new Bottleneck.Group({
        maxConcurrent: 1, minTime: 100
      })
  
      var limiter1 = group.key('AAA')
      c.mustEqual(limiter1._store.storeOptions.minTime, 100)
  
      group.updateSettings({ minTime: 200 })
      c.mustEqual(limiter1._store.storeOptions.minTime, 100)
  
      var limiter2 = group.key('BBB')
      c.mustEqual(limiter2._store.storeOptions.minTime, 200)
    })
  
    it('Should support keys(), limiters(), deleteKey()', function () {
      c = makeTest()
      var group1 = new Bottleneck.Group({
        maxConcurrent: 1
      })
      var KEY_A = "AAA"
      var KEY_B = "BBB"
  
      group1.key(KEY_A).submit(c.job, null, 1)
      group1.key(KEY_B).submit(c.job, null, 2)
  
      var keys = group1.keys()
      var limiters = group1.limiters()
      c.mustEqual(keys, [KEY_A, KEY_B])
      c.mustEqual(limiters.length, 2)
  
      limiters.forEach(function (limiter, i) {
        c.mustEqual(limiter.key, keys[i])
        assert(limiter.limiter instanceof Bottleneck)
      })
  
      return group1.deleteKey(KEY_A)
      .then(function (deleted) {
        c.mustEqual(deleted, true)
        c.mustEqual(group1.keys().length, 1)
        return group1.deleteKey(KEY_A)
      })
      .then(function (deleted) {
        c.mustEqual(deleted, false)
        c.mustEqual(group1.keys().length, 1)
      })
    })
  
    it('Should call autocleanup', function () {
      var KEY = 'test-key'
      var group = new Bottleneck.Group({
        maxConcurrent: 1
      })
      group.updateSettings({ timeout: 50 })
      c = makeTest({ id: 'something', timeout: group.timeout })
  
      group.instances[KEY] = c.limiter
      return group.key(KEY).schedule(function () {
        return Promise.resolve()
      })
      .then(function () {
        assert(group.instances[KEY] != null)
        return new Promise(function (resolve, reject) {
          setTimeout(resolve, 100)
        })
      })
      .then(function () {
        assert(group.instances[KEY] == null)
      })
    })
  
  })
  