mocha `before` and `beforeEach`

test.coffee

###
$mocha test.coffee --compilers coffee:coffee-script/register --reporter=spec --timeout=20000

outside
before
before done
beforeeach
beforeeach done
out it
✓ out it
inside
in before
in before doune
beforeeach
beforeeach done
in beforeeach
in beforeeach done
in it
✓ in it

2 passing (8s)

###
describe 'outside', ->
  beforeEach (done)->
    console.log 'beforeeach'
    setTimeout ->
      console.log 'beforeeach done'
      done()
    , 1000
  before (done)->
    console.log 'before'
    setTimeout ->
      console.log 'before done'
      done()
    , 1000
  it 'out it', ->
    console.log 'out it'
  describe 'inside', ->
    beforeEach (done)->
      console.log 'in beforeeach'
      setTimeout ->
        console.log 'in beforeeach done'
        done()
      , 5000
    before (done)->
      console.log 'in before'
      setTimeout ->
        console.log 'in before done'
        done()
    , 500
    it 'in it', ->
      console.log 'in it'

test.js

describe('outside', function(){
  beforeEach(function(done){
    console.log('outside beforeEach start');
    setTimeout(function(){
      console.log('outside beforeEach done');
      done()
    }, 3000);
  });
  describe('inside', function(done){
    before(function(done){
      console.log('inside before start');
      setTimeout(function(){
        console.log('inside before done');
        done()
      }, 500)});
    it('second test', function(done){
      setTimeout(function(){done()},1000)
    });
  });
});