test.js

var Model = require("./model.js"),
    error = require("error"),
    pd = require("pd");

var UserModel = pd.make(Model,{
    get: function _get(id, cb) {
        this.nano.get(id, 
            error.whitelist(function _errors(err) {
                if (err.syscall === 'getaddrinfo') {
                    UserModel.get(id, cb);
                } else {
                    return false;
                }
            }, function _success(err, body, headers) {
                cb(err, body, headers);
            })
        );
    },
    insert: function _create(json, cb) {
        this.nano.insert(json, json._id, 
            error.whitelist(function _errors(err) {
                if (err.syscall === 'getaddrinfo') {
                    UserModel.insert(json, cb);
                } else if (err.error === "conflict") {
                    return true;
                } else {
                    return false;
                }
            }, function _success(err, body, headers) {
                cb(err, body, headers);
            })
        );
    },
    delete: function _delete(name, cb) {
        var that = this;
        this.get(name, function _getRev(err, body) {
            that.nano.destroy(name, body._rev, 
                error.whitelist(function _errors(err) {
                    if (err.syscall === 'getaddrinfo') {
                        UserModel.delete(name, cb);
                    } else {
                        return false;
                    }
                }, function _success(err, body, headers) {
                    cb(err, body, headers);
                })
            );
        });
    }
});

UserModel.on("start", function () {
    UserModel.constructor();
    UserModel.nano = UserModel.nano.use("_users");
    UserModel.emit("loaded");
});

module.exports = UserModel;