clearCollections Mongoose

clear-collections.js

function clearCollections() {
    var collections = _.values(mongoose.connection.collections);
    return Bluebird.map(collections, function(collection) {
        return collection.removeAsync();
    });
}

before(function(done) {
    mongoose.connection.on('connected', done);
});

beforeEach(function() {
    return clearCollections();
});