bdb-fork-grimen/test/test_del.js

Berkeley DB(5.X) bindings for node

// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
var assert = require('assert');
var Buffer = require('buffer').Buffer;
var exec  = require('child_process').exec;
var fs = require('fs');
var BDB = require('..');
var helper = require('./helper');

// setup
var env_location = "/tmp/" + helper.uuid();
fs.mkdirSync(env_location, 0750);

var env = new BDB.DbEnv();
var stat = env.openSync({home:env_location});
assert.equal(0, stat.code, stat.message);

var db = new BDB.Db(env);
stat = db.openSync({env: env, file: helper.uuid()});
assert.equal(0, stat.code, stat.message);

var key = new Buffer(helper.uuid());
var val = new Buffer(helper.uuid());
db.put({key: key, val: val}, function(res) {
  assert.equal(0, res.code, res.message);
  db.get({key: key}, function(res, data) {
    assert.equal(0, res.code, res.message);
    assert.ok(data, "no data from get");
    assert.equal(val, data.toString(encoding='utf8'), 'Data mismatch');
    db.del({key: key}, function(res) {
      assert.equal(0, res.code, res.message);
      db.get({key: key}, function(res, data) {
	assert.equal(BDB.FLAGS.DB_NOTFOUND, res.code, res.message);
	exec("rm -fr " + env_location, function(err, stdout, stderr) {});
	console.log('test_del: PASSED');
      });
    });
  });
});