test.js

/**
 * Module dependencies.
 */

var assert = require('assert'),
    sys = require('sys'),
    mongoStore = require('./index');

var store = mongoStore({ maxAge: 15000 }, function (client) {

    // #set()
    store.set('123', { name: 'tj' }, function (err, ok) {
        assert.ok(!err, '#set() got an error');
        assert.ok(ok, '#set() is not ok');

        // #get()
        store.get('123', function (err, data) {
            assert.ok(!err, '#get() got an error');
            assert.deepEqual({ name: 'tj' }, data);

            // #length()
            store.length(function (err, len) {
                assert.ok(!err, '#length() got an error');
                assert.equal(1, len, '#length() with keys');

                // #clear()
                store.clear(function (err, ok) {
                    assert.ok(!err, '#clear()');
                    assert.ok(ok, '#clear()');

                    // #length()
                    store.length(function (err, len) {
                        assert.ok(!err, '#length()');
                        assert.equal(0, len, '#length() without keys');

                        // #set null
                        store.set('123', { name: 'tj' }, function () {
                            store.destroy('123', function () {
                                store.length(function (err, len) {
                                    assert.equal(0, len, '#set() null');
                                    console.log('done');
                                });
                            });
                        });
                    });
                });
            });
        })
    });
});