TDD nodejs, mocha, mongo, mongoose with a test database

aTest.coffee

mongoose = require 'mongoose'

wipeDbAfterTests = true

describe "Your test suite", ->

  # connect to our mongo test database, note how done is passed to mongoose connect
  before (done) ->
    mongoose.connect "mongodb://localhost/airpair_test", done

  # your test
  it "your test", (done) ->
    # some call that has mongoose in there somewhere, you'll 
    # need to call done at some point as mongoose is async
    done()

  # close our mongoose connection, other wise your next test suite will fail
  # saying there is already an open connection
  after (done) ->
    if ! wipeDbAfterTests
      mongoose.connection.close done
    else 
      mongoose.connection.db.executeDbCommand { dropDatabase:1 }, (err, result) ->
        mongoose.connection.close done