The JavaScript Database, for Node.js, nw.js, electron and the browser
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
nedb/test/db.test.js

82 lines
2.5 KiB

var Datastore = require('../lib/datastore')
, testDb = 'workspace/test.db'
, fs = require('fs')
, path = require('path')
, customUtils = require('../lib/customUtils')
, should = require('chai').should()
, assert = require('chai').assert
, _ = require('underscore')
;
describe('Database', function () {
beforeEach(function (done) {
customUtils.ensureDirectoryExists(path.dirname(testDb), function () {
fs.exists(testDb, function (exists) {
if (exists) {
fs.unlink(testDb, done);
} else { return done(); }
});
});
});
it('Able to insert a document in the database and retrieve it even after a reload', function (done) {
var d = new Datastore(testDb);
d.loadDatabase(function (err) {
assert.isNull(err);
d.find({}, function (err, docs) {
docs.length.should.equal(0);
d.insert({ somedata: 'ok' }, function (err) {
// The data was correctly updated
d.find({}, function (err, docs) {
assert.isNull(err);
docs.length.should.equal(1);
Object.keys(docs[0]).length.should.equal(2);
docs[0].somedata.should.equal('ok');
assert.isDefined(docs[0]._id);
// After a reload the data has been correctly persisted
d.loadDatabase(function (err) {
d.find({}, function (err, docs) {
assert.isNull(err);
docs.length.should.equal(1);
Object.keys(docs[0]).length.should.equal(2);
docs[0].somedata.should.equal('ok');
assert.isDefined(docs[0]._id);
done();
});
});
});
});
});
});
});
it('Can insert multiple documents in the database', function (done) {
var d = new Datastore(testDb);
d.loadDatabase(function (err) {
assert.isNull(err);
d.find({}, function (err, docs) {
docs.length.should.equal(0);
d.insert({ somedata: 'ok' }, function (err) {
d.insert({ somedata: 'another' }, function (err) {
d.insert({ somedata: 'again' }, function (err) {
d.find({}, function (err, docs) {
docs.length.should.equal(3);
_.pluck(docs, 'somedata').should.contain('ok');
_.pluck(docs, 'somedata').should.contain('another');
_.pluck(docs, 'somedata').should.contain('again');
done();
});
});
});
});
});
});
});
});