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2028 lines
76 KiB
2028 lines
76 KiB
var should = require('chai').should()
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, assert = require('chai').assert
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, testDb = 'workspace/test.db'
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, fs = require('fs')
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, path = require('path')
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, _ = require('underscore')
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, async = require('async')
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, Datastore = require('../lib/datastore')
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, customUtils = require('../lib/customUtils')
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, model = require('../lib/model')
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;
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describe('Database', function () {
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var d;
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beforeEach(function (done) {
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d = new Datastore({ filename: testDb });
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d.filename.should.equal(testDb);
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d.inMemoryOnly.should.equal(false);
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async.waterfall([
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function (cb) {
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customUtils.ensureDirectoryExists(path.dirname(testDb), function () {
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fs.exists(testDb, function (exists) {
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if (exists) {
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fs.unlink(testDb, cb);
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} else { return cb(); }
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});
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});
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}
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, function (cb) {
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d.loadDatabase(function (err) {
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assert.isNull(err);
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d.datafileSize.should.equal(0);
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d.getAllData().length.should.equal(0);
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return cb();
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});
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}
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], done);
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});
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it('Constructor compatibility with v0.6-', function () {
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var dbef = new Datastore('somefile');
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dbef.filename.should.equal('somefile');
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dbef.inMemoryOnly.should.equal(false);
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var dbef = new Datastore('');
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assert.isNull(dbef.filename);
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dbef.inMemoryOnly.should.equal(true);
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var dbef = new Datastore();
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assert.isNull(dbef.filename);
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dbef.inMemoryOnly.should.equal(true);
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});
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describe('Loading the database data from file and persistence', function () {
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it('Every line represents a document', function () {
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var now = new Date()
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, rawData = model.serialize({ _id: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
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model.serialize({ _id: "2", hello: 'world' }) + '\n' +
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model.serialize({ _id: "3", nested: { today: now } })
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, treatedData = Datastore.treatRawData(rawData)
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;
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treatedData.sort(function (a, b) { return a._id - b._id; });
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treatedData.length.should.equal(3);
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_.isEqual(treatedData[0], { _id: "1", a: 2, ages: [1, 5, 12] }).should.equal(true);
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_.isEqual(treatedData[1], { _id: "2", hello: 'world' }).should.equal(true);
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_.isEqual(treatedData[2], { _id: "3", nested: { today: now } }).should.equal(true);
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});
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it('Badly formatted lines have no impact on the treated data', function () {
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var now = new Date()
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, rawData = model.serialize({ _id: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
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'garbage\n' +
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model.serialize({ _id: "3", nested: { today: now } })
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, treatedData = Datastore.treatRawData(rawData)
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;
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treatedData.sort(function (a, b) { return a._id - b._id; });
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treatedData.length.should.equal(2);
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_.isEqual(treatedData[0], { _id: "1", a: 2, ages: [1, 5, 12] }).should.equal(true);
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_.isEqual(treatedData[1], { _id: "3", nested: { today: now } }).should.equal(true);
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});
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it('Well formatted lines that have no _id are not included in the data', function () {
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var now = new Date()
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, rawData = model.serialize({ _id: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
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model.serialize({ _id: "2", hello: 'world' }) + '\n' +
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model.serialize({ nested: { today: now } })
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, treatedData = Datastore.treatRawData(rawData)
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;
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treatedData.sort(function (a, b) { return a._id - b._id; });
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treatedData.length.should.equal(2);
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_.isEqual(treatedData[0], { _id: "1", a: 2, ages: [1, 5, 12] }).should.equal(true);
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_.isEqual(treatedData[1], { _id: "2", hello: 'world' }).should.equal(true);
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});
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it('If two lines concern the same doc (= same _id), the last one is the good version', function () {
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var now = new Date()
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, rawData = model.serialize({ _id: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
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model.serialize({ _id: "2", hello: 'world' }) + '\n' +
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model.serialize({ _id: "1", nested: { today: now } })
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, treatedData = Datastore.treatRawData(rawData)
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;
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treatedData.sort(function (a, b) { return a._id - b._id; });
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treatedData.length.should.equal(2);
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_.isEqual(treatedData[0], { _id: "1", nested: { today: now } }).should.equal(true);
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_.isEqual(treatedData[1], { _id: "2", hello: 'world' }).should.equal(true);
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});
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it('If a doc contains $$deleted: true, that means we need to remove it from the data', function () {
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var now = new Date()
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, rawData = model.serialize({ _id: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
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model.serialize({ _id: "2", hello: 'world' }) + '\n' +
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model.serialize({ _id: "1", $$deleted: true }) + '\n' +
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model.serialize({ _id: "3", today: now })
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, treatedData = Datastore.treatRawData(rawData)
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;
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treatedData.sort(function (a, b) { return a._id - b._id; });
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treatedData.length.should.equal(2);
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_.isEqual(treatedData[0], { _id: "2", hello: 'world' }).should.equal(true);
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_.isEqual(treatedData[1], { _id: "3", today: now }).should.equal(true);
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});
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it('If a doc contains $$deleted: true, no error is thrown if the doc wasnt in the list before', function () {
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var now = new Date()
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, rawData = model.serialize({ _id: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
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model.serialize({ _id: "2", $$deleted: true }) + '\n' +
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model.serialize({ _id: "3", today: now })
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, treatedData = Datastore.treatRawData(rawData)
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;
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treatedData.sort(function (a, b) { return a._id - b._id; });
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treatedData.length.should.equal(2);
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_.isEqual(treatedData[0], { _id: "1", a: 2, ages: [1, 5, 12] }).should.equal(true);
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_.isEqual(treatedData[1], { _id: "3", today: now }).should.equal(true);
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});
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it('Compact database on load', function (done) {
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d.insert({ a: 2 }, function () {
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d.insert({ a: 4 }, function () {
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d.remove({ a: 2 }, {}, function () {
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// Here, the underlying file is 3 lines long for only one document
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var data = fs.readFileSync(d.filename, 'utf8').split('\n')
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, filledCount = 0;
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data.forEach(function (item) { if (item.length > 0) { filledCount += 1; } });
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filledCount.should.equal(3);
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d.loadDatabase(function (err) {
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assert.isNull(err);
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// Now, the file has been compacted and is only 1 line long
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var data = fs.readFileSync(d.filename, 'utf8').split('\n')
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, filledCount = 0;
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data.forEach(function (item) { if (item.length > 0) { filledCount += 1; } });
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filledCount.should.equal(1);
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done();
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});
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})
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});
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});
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});
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it('datafileSize is the size of the dataset upon a databaseLoad', function (done) {
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var now = new Date()
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, rawData = model.serialize({ _id: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
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model.serialize({ _id: "2", hello: 'world' }) + '\n' +
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model.serialize({ _id: "3", nested: { today: now } })
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;
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d.getAllData().length.should.equal(0);
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d.datafileSize.should.equal(0);
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fs.writeFile(testDb, rawData, 'utf8', function () {
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d.loadDatabase(function () {
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d.getAllData().length.should.equal(3);
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d.datafileSize.should.equal(3);
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d.find({}, function (err, docs) {
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docs.sort(function (a, b) { return a._id - b._id; });
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docs.length.should.equal(3);
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_.isEqual(docs[0], { _id: "1", a: 2, ages: [1, 5, 12] }).should.equal(true);
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_.isEqual(docs[1], { _id: "2", hello: 'world' }).should.equal(true);
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_.isEqual(docs[2], { _id: "3", nested: { today: now } }).should.equal(true);
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done();
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});
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});
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});
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});
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it('Calling loadDatabase after the data was modified doesnt change its contents', function (done) {
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d.loadDatabase(function () {
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d.insert({ a: 1 }, function (err) {
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assert.isNull(err);
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d.insert({ a: 2 }, function (err) {
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var data = d.getAllData()
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, doc1 = _.find(data, function (doc) { return doc.a === 1; })
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, doc2 = _.find(data, function (doc) { return doc.a === 2; })
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;
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assert.isNull(err);
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data.length.should.equal(2);
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doc1.a.should.equal(1);
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doc2.a.should.equal(2);
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d.loadDatabase(function (err) {
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var data = d.getAllData()
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, doc1 = _.find(data, function (doc) { return doc.a === 1; })
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, doc2 = _.find(data, function (doc) { return doc.a === 2; })
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;
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assert.isNull(err);
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data.length.should.equal(2);
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doc1.a.should.equal(1);
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doc2.a.should.equal(2);
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done();
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});
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});
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});
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});
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});
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it('Calling loadDatabase after the datafile was removed with will reset the database', function (done) {
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d.loadDatabase(function () {
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d.insert({ a: 1 }, function (err) {
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assert.isNull(err);
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d.insert({ a: 2 }, function (err) {
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var data = d.getAllData()
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, doc1 = _.find(data, function (doc) { return doc.a === 1; })
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, doc2 = _.find(data, function (doc) { return doc.a === 2; })
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;
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assert.isNull(err);
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data.length.should.equal(2);
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doc1.a.should.equal(1);
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doc2.a.should.equal(2);
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fs.unlink(testDb, function (err) {
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assert.isNull(err);
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d.loadDatabase(function (err) {
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assert.isNull(err);
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d.getAllData().length.should.equal(0);
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done();
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});
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});
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});
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});
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});
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});
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it('Calling loadDatabase after the datafile was modified loads the new data', function (done) {
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d.loadDatabase(function () {
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d.insert({ a: 1 }, function (err) {
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assert.isNull(err);
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d.insert({ a: 2 }, function (err) {
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var data = d.getAllData()
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, doc1 = _.find(data, function (doc) { return doc.a === 1; })
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, doc2 = _.find(data, function (doc) { return doc.a === 2; })
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;
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assert.isNull(err);
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data.length.should.equal(2);
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doc1.a.should.equal(1);
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doc2.a.should.equal(2);
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fs.writeFile(testDb, '{"a":3,"_id":"aaa"}', 'utf8', function (err) {
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assert.isNull(err);
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d.loadDatabase(function (err) {
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var data = d.getAllData()
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, doc1 = _.find(data, function (doc) { return doc.a === 1; })
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, doc2 = _.find(data, function (doc) { return doc.a === 2; })
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, doc3 = _.find(data, function (doc) { return doc.a === 3; })
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;
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assert.isNull(err);
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data.length.should.equal(1);
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doc3.a.should.equal(3);
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assert.isUndefined(doc1);
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assert.isUndefined(doc2);
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done();
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});
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});
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});
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});
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});
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});
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}); // ==== End of 'Loading the database data from file and persistence' ==== //
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describe('Insert', function () {
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it.only('Able to insert a document in the database, setting an _id if none provided, and retrieve it even after a reload', function (done) {
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d.find({}, function (err, docs) {
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docs.length.should.equal(0);
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d.insert({ somedata: 'ok' }, function (err) {
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// The data was correctly updated
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d.find({}, function (err, docs) {
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assert.isNull(err);
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docs.length.should.equal(1);
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Object.keys(docs[0]).length.should.equal(2);
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docs[0].somedata.should.equal('ok');
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assert.isDefined(docs[0]._id);
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// After a reload the data has been correctly persisted
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d.loadDatabase(function (err) {
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d.find({}, function (err, docs) {
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assert.isNull(err);
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docs.length.should.equal(1);
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Object.keys(docs[0]).length.should.equal(2);
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docs[0].somedata.should.equal('ok');
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assert.isDefined(docs[0]._id);
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done();
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});
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});
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});
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});
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});
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});
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it('Can insert multiple documents in the database', function (done) {
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d.find({}, function (err, docs) {
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docs.length.should.equal(0);
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d.insert({ somedata: 'ok' }, function (err) {
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d.insert({ somedata: 'another' }, function (err) {
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d.insert({ somedata: 'again' }, function (err) {
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d.find({}, function (err, docs) {
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docs.length.should.equal(3);
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_.pluck(docs, 'somedata').should.contain('ok');
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_.pluck(docs, 'somedata').should.contain('another');
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_.pluck(docs, 'somedata').should.contain('again');
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done();
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});
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});
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});
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});
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});
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});
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it('Can insert and get back from DB complex objects with all primitive and secondary types', function (done) {
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var da = new Date()
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, obj = { a: ['ee', 'ff', 42], date: da, subobj: { a: 'b', b: 'c' } }
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;
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d.insert(obj, function (err) {
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d.findOne({}, function (err, res) {
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assert.isNull(err);
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res.a.length.should.equal(3);
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res.a[0].should.equal('ee');
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res.a[1].should.equal('ff');
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res.a[2].should.equal(42);
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res.date.getTime().should.equal(da.getTime());
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res.subobj.a.should.equal('b');
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res.subobj.b.should.equal('c');
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done();
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});
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});
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});
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it('If an object returned from the DB is modified and refetched, the original value should be found', function (done) {
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d.insert({ a: 'something' }, function () {
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d.findOne({}, function (err, doc) {
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doc.a.should.equal('something');
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doc.a = 'another thing';
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doc.a.should.equal('another thing');
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// Re-fetching with findOne should yield the persisted value
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d.findOne({}, function (err, doc) {
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doc.a.should.equal('something');
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doc.a = 'another thing';
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doc.a.should.equal('another thing');
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// Re-fetching with find should yield the persisted value
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d.find({}, function (err, docs) {
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docs[0].a.should.equal('something');
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done();
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});
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});
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});
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});
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});
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it('Cannot insert a doc that has a field beginning with a $ sign', function (done) {
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d.insert({ $something: 'atest' }, function (err) {
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assert.isDefined(err);
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done();
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});
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});
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it('If an _id is already given when we insert a document, dont use it but use an automatic one', function (done) {
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d.insert({ _id: 'test', stuff: true }, function (err, newDoc) {
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if (err) { return done(err); }
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newDoc.stuff.should.equal(true);
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newDoc._id.should.not.equal('test');
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done();
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});
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});
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it('datafileSize is incremented by 1 upon every insert', function (done) {
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d.datafileSize.should.equal(0);
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d.getAllData().length.should.equal(0);
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d.insert({ a: 3 }, function () {
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d.datafileSize.should.equal(1);
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d.getAllData().length.should.equal(1);
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d.insert({ a: 3 }, function () {
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d.datafileSize.should.equal(2);
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d.getAllData().length.should.equal(2);
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d.insert({ a: 3 }, function () {
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d.datafileSize.should.equal(3);
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d.getAllData().length.should.equal(3);
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done();
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|
});
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});
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|
});
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});
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it('Modifying the insertedDoc after an insert doesnt change the copy saved in the database', function (done) {
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d.insert({ a: 2, hello: 'world' }, function (err, newDoc) {
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newDoc.hello = 'changed';
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d.findOne({ a: 2 }, function (err, doc) {
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doc.hello.should.equal('world');
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done();
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});
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});
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});
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}); // ==== End of 'Insert' ==== //
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|
|
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describe('#getCandidates', function () {
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it('Can use an index to get docs with a basic match', function (done) {
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d.ensureIndex({ fieldName: 'tf' }, function (err) {
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d.insert({ tf: 4 }, function (err, _doc1) {
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d.insert({ tf: 6 }, function () {
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d.insert({ tf: 4, an: 'other' }, function (err, _doc2) {
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d.insert({ tf: 9 }, function () {
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var data = d.getCandidates({ r: 6, tf: 4 })
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, doc1 = _.find(data, function (d) { return d._id === _doc1._id; })
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, doc2 = _.find(data, function (d) { return d._id === _doc2._id; })
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;
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data.length.should.equal(2);
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assert.deepEqual(doc1, { _id: doc1._id, tf: 4 });
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assert.deepEqual(doc2, { _id: doc2._id, tf: 4, an: 'other' });
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done();
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});
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});
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});
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});
|
|
});
|
|
});
|
|
|
|
it('Can use an index to get docs with a $in match', function (done) {
|
|
d.ensureIndex({ fieldName: 'tf' }, function (err) {
|
|
d.insert({ tf: 4 }, function (err) {
|
|
d.insert({ tf: 6 }, function (err, _doc1) {
|
|
d.insert({ tf: 4, an: 'other' }, function (err) {
|
|
d.insert({ tf: 9 }, function (err, _doc2) {
|
|
var data = d.getCandidates({ r: 6, tf: { $in: [6, 9, 5] } })
|
|
, doc1 = _.find(data, function (d) { return d._id === _doc1._id; })
|
|
, doc2 = _.find(data, function (d) { return d._id === _doc2._id; })
|
|
;
|
|
|
|
data.length.should.equal(2);
|
|
assert.deepEqual(doc1, { _id: doc1._id, tf: 6 });
|
|
assert.deepEqual(doc2, { _id: doc2._id, tf: 9 });
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('If no index can be used, return the whole database', function (done) {
|
|
d.ensureIndex({ fieldName: 'tf' }, function (err) {
|
|
d.insert({ tf: 4 }, function (err, _doc1) {
|
|
d.insert({ tf: 6 }, function (err, _doc2) {
|
|
d.insert({ tf: 4, an: 'other' }, function (err, _doc3) {
|
|
d.insert({ tf: 9 }, function (err, _doc4) {
|
|
var data = d.getCandidates({ r: 6, notf: { $in: [6, 9, 5] } })
|
|
, doc1 = _.find(data, function (d) { return d._id === _doc1._id; })
|
|
, doc2 = _.find(data, function (d) { return d._id === _doc2._id; })
|
|
, doc3 = _.find(data, function (d) { return d._id === _doc3._id; })
|
|
, doc4 = _.find(data, function (d) { return d._id === _doc4._id; })
|
|
;
|
|
|
|
data.length.should.equal(4);
|
|
assert.deepEqual(doc1, { _id: doc1._id, tf: 4 });
|
|
assert.deepEqual(doc2, { _id: doc2._id, tf: 6 });
|
|
assert.deepEqual(doc3, { _id: doc3._id, tf: 4, an: 'other' });
|
|
assert.deepEqual(doc4, { _id: doc4._id, tf: 9 });
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Can use indexes for comparison matches', function (done) {
|
|
d.ensureIndex({ fieldName: 'tf' }, function (err) {
|
|
d.insert({ tf: 4 }, function (err, _doc1) {
|
|
d.insert({ tf: 6 }, function (err, _doc2) {
|
|
d.insert({ tf: 4, an: 'other' }, function (err, _doc3) {
|
|
d.insert({ tf: 9 }, function (err, _doc4) {
|
|
var data = d.getCandidates({ r: 6, tf: { $lte: 9, $gte: 6 } })
|
|
, doc2 = _.find(data, function (d) { return d._id === _doc2._id; })
|
|
, doc4 = _.find(data, function (d) { return d._id === _doc4._id; })
|
|
;
|
|
|
|
data.length.should.equal(2);
|
|
assert.deepEqual(doc2, { _id: doc2._id, tf: 6 });
|
|
assert.deepEqual(doc4, { _id: doc4._id, tf: 9 });
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
}); // ==== End of '#getCandidates' ==== //
|
|
|
|
|
|
describe('Find', function () {
|
|
|
|
it('Can find all documents if an empty query is used', function (done) {
|
|
async.waterfall([
|
|
function (cb) {
|
|
d.insert({ somedata: 'ok' }, function (err) {
|
|
d.insert({ somedata: 'another', plus: 'additional data' }, function (err) {
|
|
d.insert({ somedata: 'again' }, function (err) { return cb(err); });
|
|
});
|
|
});
|
|
}
|
|
, function (cb) { // Test with empty object
|
|
d.find({}, function (err, docs) {
|
|
assert.isNull(err);
|
|
docs.length.should.equal(3);
|
|
_.pluck(docs, 'somedata').should.contain('ok');
|
|
_.pluck(docs, 'somedata').should.contain('another');
|
|
_.find(docs, function (d) { return d.somedata === 'another' }).plus.should.equal('additional data');
|
|
_.pluck(docs, 'somedata').should.contain('again');
|
|
return cb();
|
|
});
|
|
}
|
|
], done);
|
|
});
|
|
|
|
it('Can find all documents matching a basic query', function (done) {
|
|
async.waterfall([
|
|
function (cb) {
|
|
d.insert({ somedata: 'ok' }, function (err) {
|
|
d.insert({ somedata: 'again', plus: 'additional data' }, function (err) {
|
|
d.insert({ somedata: 'again' }, function (err) { return cb(err); });
|
|
});
|
|
});
|
|
}
|
|
, function (cb) { // Test with query that will return docs
|
|
d.find({ somedata: 'again' }, function (err, docs) {
|
|
assert.isNull(err);
|
|
docs.length.should.equal(2);
|
|
_.pluck(docs, 'somedata').should.not.contain('ok');
|
|
return cb();
|
|
});
|
|
}
|
|
, function (cb) { // Test with query that doesn't match anything
|
|
d.find({ somedata: 'nope' }, function (err, docs) {
|
|
assert.isNull(err);
|
|
docs.length.should.equal(0);
|
|
return cb();
|
|
});
|
|
}
|
|
], done);
|
|
});
|
|
|
|
it('Can find one document matching a basic query and return null if none is found', function (done) {
|
|
async.waterfall([
|
|
function (cb) {
|
|
d.insert({ somedata: 'ok' }, function (err) {
|
|
d.insert({ somedata: 'again', plus: 'additional data' }, function (err) {
|
|
d.insert({ somedata: 'again' }, function (err) { return cb(err); });
|
|
});
|
|
});
|
|
}
|
|
, function (cb) { // Test with query that will return docs
|
|
d.findOne({ somedata: 'ok' }, function (err, doc) {
|
|
assert.isNull(err);
|
|
Object.keys(doc).length.should.equal(2);
|
|
doc.somedata.should.equal('ok');
|
|
assert.isDefined(doc._id);
|
|
return cb();
|
|
});
|
|
}
|
|
, function (cb) { // Test with query that doesn't match anything
|
|
d.findOne({ somedata: 'nope' }, function (err, doc) {
|
|
assert.isNull(err);
|
|
assert.isNull(doc);
|
|
return cb();
|
|
});
|
|
}
|
|
], done);
|
|
});
|
|
|
|
it('Can find dates and objects (non JS-native types)', function (done) {
|
|
var date1 = new Date(1234543)
|
|
, date2 = new Date(9999)
|
|
;
|
|
|
|
d.insert({ now: date1, sth: { name: 'nedb' } }, function () {
|
|
d.findOne({ now: date1 }, function (err, doc) {
|
|
assert.isNull(err);
|
|
doc.sth.name.should.equal('nedb');
|
|
|
|
d.findOne({ now: date2 }, function (err, doc) {
|
|
assert.isNull(err);
|
|
assert.isNull(doc);
|
|
|
|
d.findOne({ sth: { name: 'nedb' } }, function (err, doc) {
|
|
assert.isNull(err);
|
|
doc.sth.name.should.equal('nedb');
|
|
|
|
d.findOne({ sth: { name: 'other' } }, function (err, doc) {
|
|
assert.isNull(err);
|
|
assert.isNull(doc);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Can use dot-notation to query subfields', function (done) {
|
|
d.insert({ greeting: { english: 'hello' } }, function () {
|
|
d.findOne({ "greeting.english": 'hello' }, function (err, doc) {
|
|
assert.isNull(err);
|
|
doc.greeting.english.should.equal('hello');
|
|
|
|
d.findOne({ "greeting.english": 'hellooo' }, function (err, doc) {
|
|
assert.isNull(err);
|
|
assert.isNull(doc);
|
|
|
|
d.findOne({ "greeting.englis": 'hello' }, function (err, doc) {
|
|
assert.isNull(err);
|
|
assert.isNull(doc);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Array fields match if any element matches', function (done) {
|
|
d.insert({ fruits: ['pear', 'apple', 'banana'] }, function (err, doc1) {
|
|
d.insert({ fruits: ['coconut', 'orange', 'pear'] }, function (err, doc2) {
|
|
d.insert({ fruits: ['banana'] }, function (err, doc3) {
|
|
d.find({ fruits: 'pear' }, function (err, docs) {
|
|
assert.isNull(err);
|
|
docs.length.should.equal(2);
|
|
_.pluck(docs, '_id').should.contain(doc1._id);
|
|
_.pluck(docs, '_id').should.contain(doc2._id);
|
|
|
|
d.find({ fruits: 'banana' }, function (err, docs) {
|
|
assert.isNull(err);
|
|
docs.length.should.equal(2);
|
|
_.pluck(docs, '_id').should.contain(doc1._id);
|
|
_.pluck(docs, '_id').should.contain(doc3._id);
|
|
|
|
d.find({ fruits: 'doesntexist' }, function (err, docs) {
|
|
assert.isNull(err);
|
|
docs.length.should.equal(0);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Returns an error if the query is not well formed', function (done) {
|
|
d.insert({ hello: 'world' }, function () {
|
|
d.find({ $or: { hello: 'world' } }, function (err, docs) {
|
|
assert.isDefined(err);
|
|
assert.isUndefined(docs);
|
|
|
|
d.findOne({ $or: { hello: 'world' } }, function (err, doc) {
|
|
assert.isDefined(err);
|
|
assert.isUndefined(doc);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Changing the documents returned by find or findOne do not change the database state', function (done) {
|
|
d.insert({ a: 2, hello: 'world' }, function () {
|
|
d.findOne({ a: 2 }, function (err, doc) {
|
|
doc.hello = 'changed';
|
|
|
|
d.findOne({ a: 2 }, function (err, doc) {
|
|
doc.hello.should.equal('world');
|
|
|
|
d.find({ a: 2 }, function (err, docs) {
|
|
docs[0].hello = 'changed';
|
|
|
|
d.findOne({ a: 2 }, function (err, doc) {
|
|
doc.hello.should.equal('world');
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
}); // ==== End of 'Find' ==== //
|
|
|
|
|
|
describe('Update', function () {
|
|
|
|
it("If the query doesn't match anything, database is not modified", function (done) {
|
|
async.waterfall([
|
|
function (cb) {
|
|
d.insert({ somedata: 'ok' }, function (err) {
|
|
d.insert({ somedata: 'again', plus: 'additional data' }, function (err) {
|
|
d.insert({ somedata: 'another' }, function (err) { return cb(err); });
|
|
});
|
|
});
|
|
}
|
|
, function (cb) { // Test with query that doesn't match anything
|
|
d.update({ somedata: 'nope' }, { newDoc: 'yes' }, { multi: true }, function (err, n) {
|
|
assert.isNull(err);
|
|
n.should.equal(0);
|
|
|
|
d.find({}, function (err, docs) {
|
|
var doc1 = _.find(docs, function (d) { return d.somedata === 'ok'; })
|
|
, doc2 = _.find(docs, function (d) { return d.somedata === 'again'; })
|
|
, doc3 = _.find(docs, function (d) { return d.somedata === 'another'; })
|
|
;
|
|
|
|
docs.length.should.equal(3);
|
|
assert.isUndefined(_.find(docs, function (d) { return d.newDoc === 'yes'; }));
|
|
|
|
assert.deepEqual(doc1, { _id: doc1._id, somedata: 'ok' });
|
|
assert.deepEqual(doc2, { _id: doc2._id, somedata: 'again', plus: 'additional data' });
|
|
assert.deepEqual(doc3, { _id: doc3._id, somedata: 'another' });
|
|
|
|
return cb();
|
|
});
|
|
});
|
|
}
|
|
], done);
|
|
});
|
|
|
|
it("Can update multiple documents matching the query", function (done) {
|
|
var id1, id2, id3;
|
|
|
|
// Test DB state after update and reload
|
|
function testPostUpdateState (cb) {
|
|
d.find({}, function (err, docs) {
|
|
var doc1 = _.find(docs, function (d) { return d._id === id1; })
|
|
, doc2 = _.find(docs, function (d) { return d._id === id2; })
|
|
, doc3 = _.find(docs, function (d) { return d._id === id3; })
|
|
;
|
|
|
|
docs.length.should.equal(3);
|
|
|
|
Object.keys(doc1).length.should.equal(2);
|
|
doc1.somedata.should.equal('ok');
|
|
doc1._id.should.equal(id1);
|
|
|
|
Object.keys(doc2).length.should.equal(2);
|
|
doc2.newDoc.should.equal('yes');
|
|
doc2._id.should.equal(id2);
|
|
|
|
Object.keys(doc3).length.should.equal(2);
|
|
doc3.newDoc.should.equal('yes');
|
|
doc3._id.should.equal(id3);
|
|
|
|
return cb();
|
|
});
|
|
}
|
|
|
|
// Actually launch the tests
|
|
async.waterfall([
|
|
function (cb) {
|
|
d.insert({ somedata: 'ok' }, function (err, doc1) {
|
|
id1 = doc1._id;
|
|
d.insert({ somedata: 'again', plus: 'additional data' }, function (err, doc2) {
|
|
id2 = doc2._id;
|
|
d.insert({ somedata: 'again' }, function (err, doc3) {
|
|
id3 = doc3._id;
|
|
return cb(err);
|
|
});
|
|
});
|
|
});
|
|
}
|
|
, function (cb) {
|
|
d.update({ somedata: 'again' }, { newDoc: 'yes' }, { multi: true }, function (err, n) {
|
|
assert.isNull(err);
|
|
n.should.equal(2);
|
|
return cb();
|
|
});
|
|
}
|
|
, async.apply(testPostUpdateState)
|
|
, function (cb) {
|
|
d.loadDatabase(function (err) { cb(err); });
|
|
}
|
|
, async.apply(testPostUpdateState)
|
|
], done);
|
|
});
|
|
|
|
it("Can update only one document matching the query", function (done) {
|
|
var id1, id2, id3;
|
|
|
|
// Test DB state after update and reload
|
|
function testPostUpdateState (cb) {
|
|
d.find({}, function (err, docs) {
|
|
var doc1 = _.find(docs, function (d) { return d._id === id1; })
|
|
, doc2 = _.find(docs, function (d) { return d._id === id2; })
|
|
, doc3 = _.find(docs, function (d) { return d._id === id3; })
|
|
;
|
|
|
|
docs.length.should.equal(3);
|
|
|
|
assert.deepEqual(doc1, { somedata: 'ok', _id: doc1._id });
|
|
|
|
// doc2 or doc3 was modified. Since we sort on _id and it is random
|
|
// it can be either of two situations
|
|
try {
|
|
assert.deepEqual(doc2, { newDoc: 'yes', _id: doc2._id });
|
|
assert.deepEqual(doc3, { somedata: 'again', _id: doc3._id });
|
|
} catch (e) {
|
|
assert.deepEqual(doc2, { somedata: 'again', plus: 'additional data', _id: doc2._id });
|
|
assert.deepEqual(doc3, { newDoc: 'yes', _id: doc3._id });
|
|
}
|
|
|
|
return cb();
|
|
});
|
|
}
|
|
|
|
// Actually launch the test
|
|
async.waterfall([
|
|
function (cb) {
|
|
d.insert({ somedata: 'ok' }, function (err, doc1) {
|
|
id1 = doc1._id;
|
|
d.insert({ somedata: 'again', plus: 'additional data' }, function (err, doc2) {
|
|
id2 = doc2._id;
|
|
d.insert({ somedata: 'again' }, function (err, doc3) {
|
|
id3 = doc3._id;
|
|
return cb(err);
|
|
});
|
|
});
|
|
});
|
|
}
|
|
, function (cb) { // Test with query that doesn't match anything
|
|
d.update({ somedata: 'again' }, { newDoc: 'yes' }, { multi: false }, function (err, n) {
|
|
assert.isNull(err);
|
|
n.should.equal(1);
|
|
return cb();
|
|
});
|
|
}
|
|
, async.apply(testPostUpdateState)
|
|
, function (cb) {
|
|
d.loadDatabase(function (err) { return cb(err); });
|
|
}
|
|
, async.apply(testPostUpdateState) // The persisted state has been updated
|
|
], done);
|
|
});
|
|
|
|
it('Can perform upserts if needed', function (done) {
|
|
d.update({ impossible: 'db is empty anyway' }, { newDoc: true }, {}, function (err, nr, upsert) {
|
|
assert.isNull(err);
|
|
nr.should.equal(0);
|
|
assert.isUndefined(upsert);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(0); // Default option for upsert is false
|
|
|
|
d.update({ impossible: 'db is empty anyway' }, { newDoc: true }, { upsert: true }, function (err, nr, upsert) {
|
|
assert.isNull(err);
|
|
nr.should.equal(1);
|
|
upsert.should.equal(true);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(1); // Default option for upsert is false
|
|
docs[0].newDoc.should.equal(true);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Cannot perform update if the update query is not either registered-modifiers-only or copy-only, or contain badly formatted fields', function (done) {
|
|
d.insert({ something: 'yup' }, function () {
|
|
d.update({}, { boom: { $badfield: 5 } }, { multi: false }, function (err) {
|
|
assert.isDefined(err);
|
|
|
|
d.update({}, { boom: { "bad.field": 5 } }, { multi: false }, function (err) {
|
|
assert.isDefined(err);
|
|
|
|
d.update({}, { $inc: { test: 5 }, mixed: 'rrr' }, { multi: false }, function (err) {
|
|
assert.isDefined(err);
|
|
|
|
d.update({}, { $inexistent: { test: 5 } }, { multi: false }, function (err) {
|
|
assert.isDefined(err);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Can update documents using multiple modifiers', function (done) {
|
|
var id;
|
|
|
|
d.insert({ something: 'yup', other: 40 }, function (err, newDoc) {
|
|
id = newDoc._id;
|
|
|
|
d.update({}, { $set: { something: 'changed' }, $inc: { other: 10 } }, { multi: false }, function (err, nr) {
|
|
assert.isNull(err);
|
|
nr.should.equal(1);
|
|
|
|
d.findOne({ _id: id }, function (err, doc) {
|
|
Object.keys(doc).length.should.equal(3);
|
|
doc._id.should.equal(id);
|
|
doc.something.should.equal('changed');
|
|
doc.other.should.equal(50);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Can upsert a document even with modifiers', function (done) {
|
|
d.update({ bloup: 'blap' }, { $set: { hello: 'world' } }, { upsert: true }, function (err, nr, upsert) {
|
|
assert.isNull(err);
|
|
nr.should.equal(1);
|
|
upsert.should.equal(true);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(1);
|
|
Object.keys(docs[0]).length.should.equal(3);
|
|
docs[0].hello.should.equal('world');
|
|
docs[0].bloup.should.equal('blap');
|
|
assert.isDefined(docs[0]._id);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('When using modifiers, the only way to update subdocs is with the dot-notation', function (done) {
|
|
d.insert({ bloup: { blip: "blap", other: true } }, function () {
|
|
// Correct methos
|
|
d.update({}, { $set: { "bloup.blip": "hello" } }, {}, function () {
|
|
d.findOne({}, function (err, doc) {
|
|
doc.bloup.blip.should.equal("hello");
|
|
doc.bloup.other.should.equal(true);
|
|
|
|
// Wrong
|
|
d.update({}, { $set: { bloup: { blip: "ola" } } }, {}, function () {
|
|
d.findOne({}, function (err, doc) {
|
|
doc.bloup.blip.should.equal("ola");
|
|
assert.isUndefined(doc.bloup.other); // This information was lost
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Returns an error if the query is not well formed', function (done) {
|
|
d.insert({ hello: 'world' }, function () {
|
|
d.update({ $or: { hello: 'world' } }, { a: 1 }, {}, function (err, nr, upsert) {
|
|
assert.isDefined(err);
|
|
assert.isUndefined(nr);
|
|
assert.isUndefined(upsert);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('If an error is thrown by a modifier, the database state is not changed', function (done) {
|
|
d.insert({ hello: 'world' }, function (err, newDoc) {
|
|
d.update({}, { $inc: { hello: 4 } }, {}, function (err, nr) {
|
|
assert.isDefined(err);
|
|
assert.isUndefined(nr);
|
|
|
|
d.find({}, function (err, docs) {
|
|
assert.deepEqual(docs, [ { _id: newDoc._id, hello: 'world' } ]);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Cant change the _id of a document', function (done) {
|
|
d.insert({ a: 2 }, function (err, newDoc) {
|
|
d.update({ a: 2 }, { a: 2, _id: 'nope' }, {}, function (err) {
|
|
assert.isDefined(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(1);
|
|
Object.keys(docs[0]).length.should.equal(2);
|
|
docs[0].a.should.equal(2);
|
|
docs[0]._id.should.equal(newDoc._id);
|
|
|
|
d.update({ a: 2 }, { $set: { _id: 'nope' } }, {}, function (err) {
|
|
assert.isDefined(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(1);
|
|
Object.keys(docs[0]).length.should.equal(2);
|
|
docs[0].a.should.equal(2);
|
|
docs[0]._id.should.equal(newDoc._id);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Non-multi updates are persistent', function (done) {
|
|
d.insert({ a:1, hello: 'world' }, function (err, doc1) {
|
|
d.insert({ a:2, hello: 'earth' }, function (err, doc2) {
|
|
d.update({ a: 2 }, { $set: { hello: 'changed' } }, {}, function (err) {
|
|
assert.isNull(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.sort(function (a, b) { return a.a - b.a; });
|
|
docs.length.should.equal(2);
|
|
_.isEqual(docs[0], { _id: doc1._id, a:1, hello: 'world' }).should.equal(true);
|
|
_.isEqual(docs[1], { _id: doc2._id, a:2, hello: 'changed' }).should.equal(true);
|
|
|
|
// Even after a reload the database state hasn't changed
|
|
d.loadDatabase(function (err) {
|
|
assert.isNull(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.sort(function (a, b) { return a.a - b.a; });
|
|
docs.length.should.equal(2);
|
|
_.isEqual(docs[0], { _id: doc1._id, a:1, hello: 'world' }).should.equal(true);
|
|
_.isEqual(docs[1], { _id: doc2._id, a:2, hello: 'changed' }).should.equal(true);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Multi updates are persistent', function (done) {
|
|
d.insert({ a:1, hello: 'world' }, function (err, doc1) {
|
|
d.insert({ a:2, hello: 'earth' }, function (err, doc2) {
|
|
d.insert({ a:5, hello: 'pluton' }, function (err, doc3) {
|
|
d.update({ a: { $in: [1, 2] } }, { $set: { hello: 'changed' } }, { multi: true }, function (err) {
|
|
assert.isNull(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.sort(function (a, b) { return a.a - b.a; });
|
|
docs.length.should.equal(3);
|
|
_.isEqual(docs[0], { _id: doc1._id, a:1, hello: 'changed' }).should.equal(true);
|
|
_.isEqual(docs[1], { _id: doc2._id, a:2, hello: 'changed' }).should.equal(true);
|
|
_.isEqual(docs[2], { _id: doc3._id, a:5, hello: 'pluton' }).should.equal(true);
|
|
|
|
// Even after a reload the database state hasn't changed
|
|
d.loadDatabase(function (err) {
|
|
assert.isNull(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.sort(function (a, b) { return a.a - b.a; });
|
|
docs.length.should.equal(3);
|
|
_.isEqual(docs[0], { _id: doc1._id, a:1, hello: 'changed' }).should.equal(true);
|
|
_.isEqual(docs[1], { _id: doc2._id, a:2, hello: 'changed' }).should.equal(true);
|
|
_.isEqual(docs[2], { _id: doc3._id, a:5, hello: 'pluton' }).should.equal(true);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('datafileSize stays correct upon updates', function (done) {
|
|
d.insert({ a: 2 }, function () {
|
|
d.insert({ a: 3 }, function () {
|
|
d.insert({ a: 5 }, function () {
|
|
d.datafileSize.should.equal(3);
|
|
d.getAllData().length.should.equal(3);
|
|
|
|
d.update({ a: 3 }, { $set: { a: 4 } }, {}, function () {
|
|
d.datafileSize.should.equal(4);
|
|
d.getAllData().length.should.equal(3);
|
|
|
|
d.update({ a: { $in: [2, 4] } }, { $set: { a: 5 } }, { multi: true }, function () {
|
|
d.datafileSize.should.equal(6);
|
|
d.getAllData().length.should.equal(3);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
}); // ==== End of 'Update' ==== //
|
|
|
|
|
|
describe('Remove', function () {
|
|
|
|
it('Can remove multiple documents', function (done) {
|
|
var id1, id2, id3;
|
|
|
|
// Test DB status
|
|
function testPostUpdateState (cb) {
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(1);
|
|
|
|
Object.keys(docs[0]).length.should.equal(2);
|
|
docs[0]._id.should.equal(id1);
|
|
docs[0].somedata.should.equal('ok');
|
|
|
|
return cb();
|
|
});
|
|
}
|
|
|
|
// Actually launch the test
|
|
async.waterfall([
|
|
function (cb) {
|
|
d.insert({ somedata: 'ok' }, function (err, doc1) {
|
|
id1 = doc1._id;
|
|
d.insert({ somedata: 'again', plus: 'additional data' }, function (err, doc2) {
|
|
id2 = doc2._id;
|
|
d.insert({ somedata: 'again' }, function (err, doc3) {
|
|
id3 = doc3._id;
|
|
return cb(err);
|
|
});
|
|
});
|
|
});
|
|
}
|
|
, function (cb) { // Test with query that doesn't match anything
|
|
d.remove({ somedata: 'again' }, { multi: true }, function (err, n) {
|
|
assert.isNull(err);
|
|
n.should.equal(2);
|
|
return cb();
|
|
});
|
|
}
|
|
, async.apply(testPostUpdateState)
|
|
, function (cb) {
|
|
d.loadDatabase(function (err) { return cb(err); });
|
|
}
|
|
, async.apply(testPostUpdateState)
|
|
], done);
|
|
});
|
|
|
|
// This tests concurrency issues
|
|
it('Remove can be called multiple times in parallel and everything that needs to be removed will be', function (done) {
|
|
d.insert({ planet: 'Earth' }, function () {
|
|
d.insert({ planet: 'Mars' }, function () {
|
|
d.insert({ planet: 'Saturn' }, function () {
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(3);
|
|
|
|
// Remove two docs simultaneously
|
|
var toRemove = ['Mars', 'Saturn'];
|
|
async.each(toRemove, function(planet, cb) {
|
|
d.remove({ planet: planet }, function (err) { return cb(err); });
|
|
}, function (err) {
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(1);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Returns an error if the query is not well formed', function (done) {
|
|
d.insert({ hello: 'world' }, function () {
|
|
d.remove({ $or: { hello: 'world' } }, {}, function (err, nr, upsert) {
|
|
assert.isDefined(err);
|
|
assert.isUndefined(nr);
|
|
assert.isUndefined(upsert);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Non-multi removes are persistent', function (done) {
|
|
d.insert({ a:1, hello: 'world' }, function (err, doc1) {
|
|
d.insert({ a:2, hello: 'earth' }, function (err, doc2) {
|
|
d.insert({ a:3, hello: 'moto' }, function (err, doc3) {
|
|
d.remove({ a: 2 }, {}, function (err) {
|
|
assert.isNull(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.sort(function (a, b) { return a.a - b.a; });
|
|
docs.length.should.equal(2);
|
|
_.isEqual(docs[0], { _id: doc1._id, a:1, hello: 'world' }).should.equal(true);
|
|
_.isEqual(docs[1], { _id: doc3._id, a:3, hello: 'moto' }).should.equal(true);
|
|
|
|
// Even after a reload the database state hasn't changed
|
|
d.loadDatabase(function (err) {
|
|
assert.isNull(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.sort(function (a, b) { return a.a - b.a; });
|
|
docs.length.should.equal(2);
|
|
_.isEqual(docs[0], { _id: doc1._id, a:1, hello: 'world' }).should.equal(true);
|
|
_.isEqual(docs[1], { _id: doc3._id, a:3, hello: 'moto' }).should.equal(true);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Multi removes are persistent', function (done) {
|
|
d.insert({ a:1, hello: 'world' }, function (err, doc1) {
|
|
d.insert({ a:2, hello: 'earth' }, function (err, doc2) {
|
|
d.insert({ a:3, hello: 'moto' }, function (err, doc3) {
|
|
d.remove({ a: { $in: [1, 3] } }, { multi: true }, function (err) {
|
|
assert.isNull(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(1);
|
|
_.isEqual(docs[0], { _id: doc2._id, a:2, hello: 'earth' }).should.equal(true);
|
|
|
|
// Even after a reload the database state hasn't changed
|
|
d.loadDatabase(function (err) {
|
|
assert.isNull(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(1);
|
|
_.isEqual(docs[0], { _id: doc2._id, a:2, hello: 'earth' }).should.equal(true);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('datafileSize stays correct upon removes', function (done) {
|
|
d.insert({ a: 2 }, function () {
|
|
d.insert({ a: 3 }, function () {
|
|
d.insert({ a: 5 }, function () {
|
|
d.datafileSize.should.equal(3);
|
|
d.getAllData().length.should.equal(3);
|
|
|
|
d.remove({ a: 3 }, {}, function () {
|
|
d.datafileSize.should.equal(4);
|
|
d.getAllData().length.should.equal(2);
|
|
|
|
d.remove({ a: { $in: [2, 5] } }, { multi: true }, function () {
|
|
d.datafileSize.should.equal(6);
|
|
d.getAllData().length.should.equal(0);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
}); // ==== End of 'Remove' ==== //
|
|
|
|
|
|
describe('Using indexes', function () {
|
|
|
|
describe('ensureIndex and index initialization in database loading', function () {
|
|
|
|
it('ensureIndex can be called right after a loadDatabase and be initialized and filled correctly', function (done) {
|
|
var now = new Date()
|
|
, rawData = model.serialize({ _id: "aaa", z: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
|
|
model.serialize({ _id: "bbb", z: "2", hello: 'world' }) + '\n' +
|
|
model.serialize({ _id: "ccc", z: "3", nested: { today: now } })
|
|
;
|
|
|
|
d.getAllData().length.should.equal(0);
|
|
d.datafileSize.should.equal(0);
|
|
|
|
fs.writeFile(testDb, rawData, 'utf8', function () {
|
|
d.loadDatabase(function () {
|
|
d.getAllData().length.should.equal(3);
|
|
d.datafileSize.should.equal(3);
|
|
|
|
assert.deepEqual(Object.keys(d.indexes), ['_id']);
|
|
|
|
d.ensureIndex({ fieldName: 'z' });
|
|
d.indexes.z.fieldName.should.equal('z');
|
|
d.indexes.z.unique.should.equal(false);
|
|
d.indexes.z.sparse.should.equal(false);
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(3);
|
|
d.indexes.z.tree.search('1')[0].should.equal(d.getAllData()[0]);
|
|
d.indexes.z.tree.search('2')[0].should.equal(d.getAllData()[1]);
|
|
d.indexes.z.tree.search('3')[0].should.equal(d.getAllData()[2]);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('ensureIndex can be called after the data set was modified and the index still be correct', function (done) {
|
|
var rawData = model.serialize({ _id: "aaa", z: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
|
|
model.serialize({ _id: "bbb", z: "2", hello: 'world' })
|
|
;
|
|
|
|
d.getAllData().length.should.equal(0);
|
|
d.datafileSize.should.equal(0);
|
|
|
|
fs.writeFile(testDb, rawData, 'utf8', function () {
|
|
d.loadDatabase(function () {
|
|
d.getAllData().length.should.equal(2);
|
|
d.datafileSize.should.equal(2);
|
|
|
|
assert.deepEqual(Object.keys(d.indexes), ['_id']);
|
|
|
|
d.insert({ z: "12", yes: 'yes' }, function (err, newDoc1) {
|
|
d.insert({ z: "14", nope: 'nope' }, function (err, newDoc2) {
|
|
d.remove({ z: "2" }, {}, function () {
|
|
d.update({ z: "1" }, { $set: { 'yes': 'yep' } }, {}, function () {
|
|
assert.deepEqual(Object.keys(d.indexes), ['_id']);
|
|
|
|
d.ensureIndex({ fieldName: 'z' });
|
|
d.indexes.z.fieldName.should.equal('z');
|
|
d.indexes.z.unique.should.equal(false);
|
|
d.indexes.z.sparse.should.equal(false);
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(3);
|
|
|
|
// The pointers in the _id and z indexes are the same
|
|
d.indexes.z.tree.search('1')[0].should.equal(d.indexes._id.getMatching('aaa')[0]);
|
|
d.indexes.z.tree.search('12')[0].should.equal(d.indexes._id.getMatching(newDoc1._id)[0]);
|
|
d.indexes.z.tree.search('14')[0].should.equal(d.indexes._id.getMatching(newDoc2._id)[0]);
|
|
|
|
// The data in the z index is correct
|
|
d.find({}, function (err, docs) {
|
|
var doc0 = _.find(docs, function (doc) { return doc._id === 'aaa'; })
|
|
, doc1 = _.find(docs, function (doc) { return doc._id === newDoc1._id; })
|
|
, doc2 = _.find(docs, function (doc) { return doc._id === newDoc2._id; })
|
|
;
|
|
|
|
docs.length.should.equal(3);
|
|
|
|
assert.deepEqual(doc0, { _id: "aaa", z: "1", a: 2, ages: [1, 5, 12], yes: 'yep' });
|
|
assert.deepEqual(doc1, { _id: newDoc1._id, z: "12", yes: 'yes' });
|
|
assert.deepEqual(doc2, { _id: newDoc2._id, z: "14", nope: 'nope' });
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('ensureIndex can be called before a loadDatabase and still be initialized and filled correctly', function (done) {
|
|
var now = new Date()
|
|
, rawData = model.serialize({ _id: "aaa", z: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
|
|
model.serialize({ _id: "bbb", z: "2", hello: 'world' }) + '\n' +
|
|
model.serialize({ _id: "ccc", z: "3", nested: { today: now } })
|
|
;
|
|
|
|
d.getAllData().length.should.equal(0);
|
|
d.datafileSize.should.equal(0);
|
|
|
|
d.ensureIndex({ fieldName: 'z' });
|
|
d.indexes.z.fieldName.should.equal('z');
|
|
d.indexes.z.unique.should.equal(false);
|
|
d.indexes.z.sparse.should.equal(false);
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(0);
|
|
|
|
fs.writeFile(testDb, rawData, 'utf8', function () {
|
|
d.loadDatabase(function () {
|
|
var doc1 = _.find(d.getAllData(), function (doc) { return doc.z === "1"; })
|
|
, doc2 = _.find(d.getAllData(), function (doc) { return doc.z === "2"; })
|
|
, doc3 = _.find(d.getAllData(), function (doc) { return doc.z === "3"; })
|
|
;
|
|
|
|
d.getAllData().length.should.equal(3);
|
|
d.datafileSize.should.equal(3);
|
|
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(3);
|
|
d.indexes.z.tree.search('1')[0].should.equal(doc1);
|
|
d.indexes.z.tree.search('2')[0].should.equal(doc2);
|
|
d.indexes.z.tree.search('3')[0].should.equal(doc3);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Can initialize multiple indexes on a database load', function (done) {
|
|
var now = new Date()
|
|
, rawData = model.serialize({ _id: "aaa", z: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
|
|
model.serialize({ _id: "bbb", z: "2", a: 'world' }) + '\n' +
|
|
model.serialize({ _id: "ccc", z: "3", a: { today: now } })
|
|
;
|
|
|
|
d.getAllData().length.should.equal(0);
|
|
d.datafileSize.should.equal(0);
|
|
|
|
d.ensureIndex({ fieldName: 'z' });
|
|
d.ensureIndex({ fieldName: 'a' });
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(0);
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(0);
|
|
|
|
fs.writeFile(testDb, rawData, 'utf8', function () {
|
|
d.loadDatabase(function () {
|
|
var doc1 = _.find(d.getAllData(), function (doc) { return doc.z === "1"; })
|
|
, doc2 = _.find(d.getAllData(), function (doc) { return doc.z === "2"; })
|
|
, doc3 = _.find(d.getAllData(), function (doc) { return doc.z === "3"; })
|
|
;
|
|
|
|
d.getAllData().length.should.equal(3);
|
|
d.datafileSize.should.equal(3);
|
|
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(3);
|
|
d.indexes.z.tree.search('1')[0].should.equal(doc1);
|
|
d.indexes.z.tree.search('2')[0].should.equal(doc2);
|
|
d.indexes.z.tree.search('3')[0].should.equal(doc3);
|
|
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(3);
|
|
d.indexes.a.tree.search(2)[0].should.equal(doc1);
|
|
d.indexes.a.tree.search('world')[0].should.equal(doc2);
|
|
d.indexes.a.tree.search({ today: now })[0].should.equal(doc3);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('If a unique constraint is not respected, database loading will not work and no data will be inserted', function (done) {
|
|
var now = new Date()
|
|
, rawData = model.serialize({ _id: "aaa", z: "1", a: 2, ages: [1, 5, 12] }) + '\n' +
|
|
model.serialize({ _id: "bbb", z: "2", a: 'world' }) + '\n' +
|
|
model.serialize({ _id: "ccc", z: "1", a: { today: now } })
|
|
;
|
|
|
|
d.getAllData().length.should.equal(0);
|
|
d.datafileSize.should.equal(0);
|
|
|
|
d.ensureIndex({ fieldName: 'z', unique: true });
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(0);
|
|
|
|
fs.writeFile(testDb, rawData, 'utf8', function () {
|
|
d.loadDatabase(function (err) {
|
|
err.errorType.should.equal('uniqueViolated');
|
|
err.key.should.equal("1");
|
|
d.getAllData().length.should.equal(0);
|
|
d.datafileSize.should.equal(0);
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(0);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('If a unique constraint is not respected, ensureIndex will return an error and not create an index', function (done) {
|
|
d.insert({ a: 1, b: 4 }, function () {
|
|
d.insert({ a: 2, b: 45 }, function () {
|
|
d.insert({ a: 1, b: 3 }, function () {
|
|
d.ensureIndex({ fieldName: 'b' }, function (err) {
|
|
assert.isNull(err);
|
|
|
|
d.ensureIndex({ fieldName: 'a', unique: true }, function (err) {
|
|
err.errorType.should.equal('uniqueViolated');
|
|
assert.deepEqual(Object.keys(d.indexes), ['_id', 'b']);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
}); // ==== End of 'ensureIndex and index initialization in database loading' ==== //
|
|
|
|
describe('Indexing newly inserted documents', function () {
|
|
|
|
it('Newly inserted documents are indexed', function (done) {
|
|
d.ensureIndex({ fieldName: 'z' });
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(0);
|
|
|
|
d.insert({ a: 2, z: 'yes' }, function (err, newDoc) {
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(1);
|
|
assert.deepEqual(d.indexes.z.getMatching('yes'), [newDoc]);
|
|
|
|
d.insert({ a: 5, z: 'nope' }, function (err, newDoc) {
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(2);
|
|
assert.deepEqual(d.indexes.z.getMatching('nope'), [newDoc]);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('If multiple indexes are defined, the document is inserted in all of them', function (done) {
|
|
d.ensureIndex({ fieldName: 'z' });
|
|
d.ensureIndex({ fieldName: 'ya' });
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(0);
|
|
|
|
d.insert({ a: 2, z: 'yes', ya: 'indeed' }, function (err, newDoc) {
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(1);
|
|
d.indexes.ya.tree.getNumberOfKeys().should.equal(1);
|
|
assert.deepEqual(d.indexes.z.getMatching('yes'), [newDoc]);
|
|
assert.deepEqual(d.indexes.ya.getMatching('indeed'), [newDoc]);
|
|
|
|
d.insert({ a: 5, z: 'nope', ya: 'sure' }, function (err, newDoc2) {
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.ya.tree.getNumberOfKeys().should.equal(2);
|
|
assert.deepEqual(d.indexes.z.getMatching('nope'), [newDoc2]);
|
|
assert.deepEqual(d.indexes.ya.getMatching('sure'), [newDoc2]);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Can insert two docs at the same key for a non unique index', function (done) {
|
|
d.ensureIndex({ fieldName: 'z' });
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(0);
|
|
|
|
d.insert({ a: 2, z: 'yes' }, function (err, newDoc) {
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(1);
|
|
assert.deepEqual(d.indexes.z.getMatching('yes'), [newDoc]);
|
|
|
|
d.insert({ a: 5, z: 'yes' }, function (err, newDoc2) {
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(1);
|
|
assert.deepEqual(d.indexes.z.getMatching('yes'), [newDoc, newDoc2]);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('If the index has a unique constraint, an error is thrown if it is violated and the data is not modified', function (done) {
|
|
d.ensureIndex({ fieldName: 'z', unique: true });
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(0);
|
|
|
|
d.insert({ a: 2, z: 'yes' }, function (err, newDoc) {
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(1);
|
|
assert.deepEqual(d.indexes.z.getMatching('yes'), [newDoc]);
|
|
|
|
d.insert({ a: 5, z: 'yes' }, function (err) {
|
|
err.errorType.should.equal('uniqueViolated');
|
|
err.key.should.equal('yes');
|
|
|
|
// Index didn't change
|
|
d.indexes.z.tree.getNumberOfKeys().should.equal(1);
|
|
assert.deepEqual(d.indexes.z.getMatching('yes'), [newDoc]);
|
|
|
|
// Data didn't change
|
|
assert.deepEqual(d.getAllData(), [newDoc]);
|
|
d.loadDatabase(function () {
|
|
d.getAllData().length.should.equal(1);
|
|
assert.deepEqual(d.getAllData()[0], newDoc);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('If an index has a unique constraint, other indexes cannot be modified when it raises an error', function (done) {
|
|
d.ensureIndex({ fieldName: 'nonu1' });
|
|
d.ensureIndex({ fieldName: 'uni', unique: true });
|
|
d.ensureIndex({ fieldName: 'nonu2' });
|
|
|
|
d.insert({ nonu1: 'yes', nonu2: 'yes2', uni: 'willfail' }, function (err, newDoc) {
|
|
assert.isNull(err);
|
|
d.indexes.nonu1.tree.getNumberOfKeys().should.equal(1);
|
|
d.indexes.uni.tree.getNumberOfKeys().should.equal(1);
|
|
d.indexes.nonu2.tree.getNumberOfKeys().should.equal(1);
|
|
|
|
d.insert({ nonu1: 'no', nonu2: 'no2', uni: 'willfail' }, function (err) {
|
|
err.errorType.should.equal('uniqueViolated');
|
|
|
|
// No index was modified
|
|
d.indexes.nonu1.tree.getNumberOfKeys().should.equal(1);
|
|
d.indexes.uni.tree.getNumberOfKeys().should.equal(1);
|
|
d.indexes.nonu2.tree.getNumberOfKeys().should.equal(1);
|
|
|
|
assert.deepEqual(d.indexes.nonu1.getMatching('yes'), [newDoc]);
|
|
assert.deepEqual(d.indexes.uni.getMatching('willfail'), [newDoc]);
|
|
assert.deepEqual(d.indexes.nonu2.getMatching('yes2'), [newDoc]);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Unique indexes prevent you from inserting two docs where the field is undefined except if theyre sparse', function (done) {
|
|
d.ensureIndex({ fieldName: 'zzz', unique: true });
|
|
d.indexes.zzz.tree.getNumberOfKeys().should.equal(0);
|
|
|
|
d.insert({ a: 2, z: 'yes' }, function (err, newDoc) {
|
|
d.indexes.zzz.tree.getNumberOfKeys().should.equal(1);
|
|
assert.deepEqual(d.indexes.zzz.getMatching(undefined), [newDoc]);
|
|
|
|
d.insert({ a: 5, z: 'other' }, function (err) {
|
|
err.errorType.should.equal('uniqueViolated');
|
|
assert.isUndefined(err.key);
|
|
|
|
d.ensureIndex({ fieldName: 'yyy', unique: true, sparse: true });
|
|
|
|
d.insert({ a: 5, z: 'other', zzz: 'set' }, function (err) {
|
|
assert.isNull(err);
|
|
d.indexes.yyy.getAll().length.should.equal(0); // Nothing indexed
|
|
d.indexes.zzz.getAll().length.should.equal(2);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Insertion still works as before with indexing', function (done) {
|
|
d.ensureIndex({ fieldName: 'a' });
|
|
d.ensureIndex({ fieldName: 'b' });
|
|
|
|
d.insert({ a: 1, b: 'hello' }, function (err, doc1) {
|
|
d.insert({ a: 2, b: 'si' }, function (err, doc2) {
|
|
d.find({}, function (err, docs) {
|
|
assert.deepEqual(doc1, _.find(docs, function (d) { return d._id === doc1._id; }));
|
|
assert.deepEqual(doc2, _.find(docs, function (d) { return d._id === doc2._id; }));
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('All indexes point to the same data as the main index on _id', function (done) {
|
|
d.ensureIndex({ fieldName: 'a' });
|
|
|
|
d.insert({ a: 1, b: 'hello' }, function (err, doc1) {
|
|
d.insert({ a: 2, b: 'si' }, function (err, doc2) {
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(2);
|
|
d.getAllData().length.should.equal(2);
|
|
|
|
d.indexes._id.getMatching(doc1._id).length.should.equal(1);
|
|
d.indexes.a.getMatching(1).length.should.equal(1);
|
|
d.indexes._id.getMatching(doc1._id)[0].should.equal(d.indexes.a.getMatching(1)[0]);
|
|
|
|
d.indexes._id.getMatching(doc2._id).length.should.equal(1);
|
|
d.indexes.a.getMatching(2).length.should.equal(1);
|
|
d.indexes._id.getMatching(doc2._id)[0].should.equal(d.indexes.a.getMatching(2)[0]);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('If a unique constraint is violated, no index is changed, including the main one', function (done) {
|
|
d.ensureIndex({ fieldName: 'a', unique: true });
|
|
|
|
d.insert({ a: 1, b: 'hello' }, function (err, doc1) {
|
|
d.insert({ a: 1, b: 'si' }, function (err) {
|
|
assert.isDefined(err);
|
|
|
|
d.find({}, function (err, docs) {
|
|
docs.length.should.equal(1);
|
|
d.getAllData().length.should.equal(1);
|
|
|
|
d.indexes._id.getMatching(doc1._id).length.should.equal(1);
|
|
d.indexes.a.getMatching(1).length.should.equal(1);
|
|
d.indexes._id.getMatching(doc1._id)[0].should.equal(d.indexes.a.getMatching(1)[0]);
|
|
|
|
d.indexes.a.getMatching(2).length.should.equal(0);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
}); // ==== End of 'Indexing newly inserted documents' ==== //
|
|
|
|
describe('Updating indexes upon document update', function () {
|
|
|
|
it('Updating docs still works as before with indexing', function (done) {
|
|
d.ensureIndex({ fieldName: 'a' });
|
|
|
|
d.insert({ a: 1, b: 'hello' }, function (err, _doc1) {
|
|
d.insert({ a: 2, b: 'si' }, function (err, _doc2) {
|
|
d.update({ a: 1 }, { $set: { a: 456, b: 'no' } }, {}, function (err, nr) {
|
|
var data = d.getAllData()
|
|
, doc1 = _.find(data, function (doc) { return doc._id === _doc1._id; })
|
|
, doc2 = _.find(data, function (doc) { return doc._id === _doc2._id; })
|
|
;
|
|
|
|
assert.isNull(err);
|
|
nr.should.equal(1);
|
|
|
|
data.length.should.equal(2);
|
|
assert.deepEqual(doc1, { a: 456, b: 'no', _id: _doc1._id });
|
|
assert.deepEqual(doc2, { a: 2, b: 'si', _id: _doc2._id });
|
|
|
|
d.update({}, { $inc: { a: 10 }, $set: { b: 'same' } }, { multi: true }, function (err, nr) {
|
|
var data = d.getAllData()
|
|
, doc1 = _.find(data, function (doc) { return doc._id === _doc1._id; })
|
|
, doc2 = _.find(data, function (doc) { return doc._id === _doc2._id; })
|
|
;
|
|
|
|
assert.isNull(err);
|
|
nr.should.equal(2);
|
|
|
|
data.length.should.equal(2);
|
|
assert.deepEqual(doc1, { a: 466, b: 'same', _id: _doc1._id });
|
|
assert.deepEqual(doc2, { a: 12, b: 'same', _id: _doc2._id });
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Indexes get updated when a document (or multiple documents) is updated', function (done) {
|
|
d.ensureIndex({ fieldName: 'a' });
|
|
d.ensureIndex({ fieldName: 'b' });
|
|
|
|
d.insert({ a: 1, b: 'hello' }, function (err, doc1) {
|
|
d.insert({ a: 2, b: 'si' }, function (err, doc2) {
|
|
// Simple update
|
|
d.update({ a: 1 }, { $set: { a: 456, b: 'no' } }, {}, function (err, nr) {
|
|
assert.isNull(err);
|
|
nr.should.equal(1);
|
|
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.a.getMatching(456)[0]._id.should.equal(doc1._id);
|
|
d.indexes.a.getMatching(2)[0]._id.should.equal(doc2._id);
|
|
|
|
d.indexes.b.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.b.getMatching('no')[0]._id.should.equal(doc1._id);
|
|
d.indexes.b.getMatching('si')[0]._id.should.equal(doc2._id);
|
|
|
|
// The same pointers are shared between all indexes
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.b.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes._id.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.a.getMatching(456)[0].should.equal(d.indexes._id.getMatching(doc1._id)[0]);
|
|
d.indexes.b.getMatching('no')[0].should.equal(d.indexes._id.getMatching(doc1._id)[0]);
|
|
d.indexes.a.getMatching(2)[0].should.equal(d.indexes._id.getMatching(doc2._id)[0]);
|
|
d.indexes.b.getMatching('si')[0].should.equal(d.indexes._id.getMatching(doc2._id)[0]);
|
|
|
|
// Multi update
|
|
d.update({}, { $inc: { a: 10 }, $set: { b: 'same' } }, { multi: true }, function (err, nr) {
|
|
assert.isNull(err);
|
|
nr.should.equal(2);
|
|
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.a.getMatching(466)[0]._id.should.equal(doc1._id);
|
|
d.indexes.a.getMatching(12)[0]._id.should.equal(doc2._id);
|
|
|
|
d.indexes.b.tree.getNumberOfKeys().should.equal(1);
|
|
d.indexes.b.getMatching('same').length.should.equal(2);
|
|
_.pluck(d.indexes.b.getMatching('same'), '_id').should.contain(doc1._id);
|
|
_.pluck(d.indexes.b.getMatching('same'), '_id').should.contain(doc2._id);
|
|
|
|
// The same pointers are shared between all indexes
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.b.tree.getNumberOfKeys().should.equal(1);
|
|
d.indexes.b.getAll().length.should.equal(2);
|
|
d.indexes._id.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.a.getMatching(466)[0].should.equal(d.indexes._id.getMatching(doc1._id)[0]);
|
|
d.indexes.a.getMatching(12)[0].should.equal(d.indexes._id.getMatching(doc2._id)[0]);
|
|
// Can't test the pointers in b as their order is randomized, but it is the same as with a
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('If a simple update violates a contraint, all changes are rolled back and an error is thrown', function (done) {
|
|
d.ensureIndex({ fieldName: 'a', unique: true });
|
|
d.ensureIndex({ fieldName: 'b', unique: true });
|
|
d.ensureIndex({ fieldName: 'c', unique: true });
|
|
|
|
d.insert({ a: 1, b: 10, c: 100 }, function (err, _doc1) {
|
|
d.insert({ a: 2, b: 20, c: 200 }, function (err, _doc2) {
|
|
d.insert({ a: 3, b: 30, c: 300 }, function (err, _doc3) {
|
|
// Will conflict with doc3
|
|
d.update({ a: 2 }, { $inc: { a: 10, c: 1000 }, $set: { b: 30 } }, {}, function (err) {
|
|
var data = d.getAllData()
|
|
, doc1 = _.find(data, function (doc) { return doc._id === _doc1._id; })
|
|
, doc2 = _.find(data, function (doc) { return doc._id === _doc2._id; })
|
|
, doc3 = _.find(data, function (doc) { return doc._id === _doc3._id; })
|
|
;
|
|
|
|
err.errorType.should.equal('uniqueViolated');
|
|
|
|
// Data left unchanged
|
|
data.length.should.equal(3);
|
|
assert.deepEqual(doc1, { a: 1, b: 10, c: 100, _id: _doc1._id });
|
|
assert.deepEqual(doc2, { a: 2, b: 20, c: 200, _id: _doc2._id });
|
|
assert.deepEqual(doc3, { a: 3, b: 30, c: 300, _id: _doc3._id });
|
|
|
|
// All indexes left unchanged and pointing to the same docs
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(3);
|
|
d.indexes.a.getMatching(1)[0].should.equal(doc1);
|
|
d.indexes.a.getMatching(2)[0].should.equal(doc2);
|
|
d.indexes.a.getMatching(3)[0].should.equal(doc3);
|
|
|
|
d.indexes.b.tree.getNumberOfKeys().should.equal(3);
|
|
d.indexes.b.getMatching(10)[0].should.equal(doc1);
|
|
d.indexes.b.getMatching(20)[0].should.equal(doc2);
|
|
d.indexes.b.getMatching(30)[0].should.equal(doc3);
|
|
|
|
d.indexes.c.tree.getNumberOfKeys().should.equal(3);
|
|
d.indexes.c.getMatching(100)[0].should.equal(doc1);
|
|
d.indexes.c.getMatching(200)[0].should.equal(doc2);
|
|
d.indexes.c.getMatching(300)[0].should.equal(doc3);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('If a multi update violates a contraint, all changes are rolled back and an error is thrown', function (done) {
|
|
d.ensureIndex({ fieldName: 'a', unique: true });
|
|
d.ensureIndex({ fieldName: 'b', unique: true });
|
|
d.ensureIndex({ fieldName: 'c', unique: true });
|
|
|
|
d.insert({ a: 1, b: 10, c: 100 }, function (err, _doc1) {
|
|
d.insert({ a: 2, b: 20, c: 200 }, function (err, _doc2) {
|
|
d.insert({ a: 3, b: 30, c: 300 }, function (err, _doc3) {
|
|
// Will conflict with doc3
|
|
d.update({ a: { $in: [1, 2] } }, { $inc: { a: 10, c: 1000 }, $set: { b: 30 } }, { multi: true }, function (err) {
|
|
var data = d.getAllData()
|
|
, doc1 = _.find(data, function (doc) { return doc._id === _doc1._id; })
|
|
, doc2 = _.find(data, function (doc) { return doc._id === _doc2._id; })
|
|
, doc3 = _.find(data, function (doc) { return doc._id === _doc3._id; })
|
|
;
|
|
|
|
err.errorType.should.equal('uniqueViolated');
|
|
|
|
// Data left unchanged
|
|
data.length.should.equal(3);
|
|
assert.deepEqual(doc1, { a: 1, b: 10, c: 100, _id: _doc1._id });
|
|
assert.deepEqual(doc2, { a: 2, b: 20, c: 200, _id: _doc2._id });
|
|
assert.deepEqual(doc3, { a: 3, b: 30, c: 300, _id: _doc3._id });
|
|
|
|
// All indexes left unchanged and pointing to the same docs
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(3);
|
|
d.indexes.a.getMatching(1)[0].should.equal(doc1);
|
|
d.indexes.a.getMatching(2)[0].should.equal(doc2);
|
|
d.indexes.a.getMatching(3)[0].should.equal(doc3);
|
|
|
|
d.indexes.b.tree.getNumberOfKeys().should.equal(3);
|
|
d.indexes.b.getMatching(10)[0].should.equal(doc1);
|
|
d.indexes.b.getMatching(20)[0].should.equal(doc2);
|
|
d.indexes.b.getMatching(30)[0].should.equal(doc3);
|
|
|
|
d.indexes.c.tree.getNumberOfKeys().should.equal(3);
|
|
d.indexes.c.getMatching(100)[0].should.equal(doc1);
|
|
d.indexes.c.getMatching(200)[0].should.equal(doc2);
|
|
d.indexes.c.getMatching(300)[0].should.equal(doc3);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
}); // ==== End of 'Updating indexes upon document update' ==== //
|
|
|
|
describe('Updating indexes upon document remove', function () {
|
|
|
|
it('Removing docs still works as before with indexing', function (done) {
|
|
d.ensureIndex({ fieldName: 'a' });
|
|
|
|
d.insert({ a: 1, b: 'hello' }, function (err, _doc1) {
|
|
d.insert({ a: 2, b: 'si' }, function (err, _doc2) {
|
|
d.insert({ a: 3, b: 'coin' }, function (err, _doc3) {
|
|
d.remove({ a: 1 }, {}, function (err, nr) {
|
|
var data = d.getAllData()
|
|
, doc2 = _.find(data, function (doc) { return doc._id === _doc2._id; })
|
|
, doc3 = _.find(data, function (doc) { return doc._id === _doc3._id; })
|
|
;
|
|
|
|
assert.isNull(err);
|
|
nr.should.equal(1);
|
|
|
|
data.length.should.equal(2);
|
|
assert.deepEqual(doc2, { a: 2, b: 'si', _id: _doc2._id });
|
|
assert.deepEqual(doc3, { a: 3, b: 'coin', _id: _doc3._id });
|
|
|
|
d.remove({ a: { $in: [2, 3] } }, { multi: true }, function (err, nr) {
|
|
var data = d.getAllData()
|
|
;
|
|
|
|
assert.isNull(err);
|
|
nr.should.equal(2);
|
|
data.length.should.equal(0);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
it('Indexes get updated when a document (or multiple documents) is removed', function (done) {
|
|
d.ensureIndex({ fieldName: 'a' });
|
|
d.ensureIndex({ fieldName: 'b' });
|
|
|
|
d.insert({ a: 1, b: 'hello' }, function (err, doc1) {
|
|
d.insert({ a: 2, b: 'si' }, function (err, doc2) {
|
|
d.insert({ a: 3, b: 'coin' }, function (err, doc3) {
|
|
// Simple remove
|
|
d.remove({ a: 1 }, {}, function (err, nr) {
|
|
assert.isNull(err);
|
|
nr.should.equal(1);
|
|
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.a.getMatching(2)[0]._id.should.equal(doc2._id);
|
|
d.indexes.a.getMatching(3)[0]._id.should.equal(doc3._id);
|
|
|
|
d.indexes.b.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.b.getMatching('si')[0]._id.should.equal(doc2._id);
|
|
d.indexes.b.getMatching('coin')[0]._id.should.equal(doc3._id);
|
|
|
|
// The same pointers are shared between all indexes
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.b.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes._id.tree.getNumberOfKeys().should.equal(2);
|
|
d.indexes.a.getMatching(2)[0].should.equal(d.indexes._id.getMatching(doc2._id)[0]);
|
|
d.indexes.b.getMatching('si')[0].should.equal(d.indexes._id.getMatching(doc2._id)[0]);
|
|
d.indexes.a.getMatching(3)[0].should.equal(d.indexes._id.getMatching(doc3._id)[0]);
|
|
d.indexes.b.getMatching('coin')[0].should.equal(d.indexes._id.getMatching(doc3._id)[0]);
|
|
|
|
// Multi remove
|
|
d.remove({}, { multi: true }, function (err, nr) {
|
|
assert.isNull(err);
|
|
nr.should.equal(2);
|
|
|
|
d.indexes.a.tree.getNumberOfKeys().should.equal(0);
|
|
d.indexes.b.tree.getNumberOfKeys().should.equal(0);
|
|
d.indexes._id.tree.getNumberOfKeys().should.equal(0);
|
|
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
}); // ==== End of 'Removing indexes upon document update' ==== //
|
|
|
|
}); // ==== End of 'Using indexes' ==== //
|
|
|
|
|
|
});
|
|
|