deno.land / x / mongoose@6.7.5 / test / shard.test.js
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const start = require('./common');
const assert = require('assert');const random = require('./util').random;
const mongoose = start.mongoose;const Schema = mongoose.Schema;
const uri = process.env.MONGOOSE_SHARD_TEST_URI;const redColorEscapeCharacter = '\x1b[31m';const colorResetEscapeCharacter = '\u001b[39m';
if (!uri) { console.log([ redColorEscapeCharacter, 'You\'re not testing shards!', 'Please set the MONGOOSE_SHARD_TEST_URI env variable.', 'e.g: `mongodb://localhost:27017/database', 'Sharding must already be enabled on your database', colorResetEscapeCharacter ].join('\n'));
return;}
const schema = new Schema({ name: String, age: Number, likes: [String]}, { shardkey: { name: 1, age: 1 } });
// to keep mongodb happy when sharding the collection// we add a matching indexschema.index({ name: 1, age: 1 });
const collection = 'shardperson_' + random();mongoose.model('ShardPerson', schema, collection);
let version;let greaterThan20x;let db;describe('shard', function() { before(function(done) { db = start({ uri: uri }); db.on('error', function(err) { if (/failed to connect/.test(err)) { err.message = 'Shard test error: ' + err.message + '\n' + ' Are you sure there is a db running at ' + uri + ' ?' + '\n'; } return done(err); }); db.on('open', function() { // set up a sharded test collection const P = db.model('ShardPerson', collection);
// an existing index on shard key is required before sharding P.on('index', function() { // enable sharding on our collection const cmd = {}; cmd.shardcollection = db.name + '.' + collection; cmd.key = P.schema.options.shardkey;
P.db.db.executeDbAdminCommand(cmd, function(err) { assert.ifError(err);
db.db.admin().serverStatus(function(err, info) { db.close(); assert.ifError(err); version = info.version.split('.').map(function(n) { return parseInt(n, 10); }); greaterThan20x = version[0] > 2 || version[0] === 2 && version[0] > 0; done(); }); }); }); }); });
it('can read and write to a shard', function(done) { const db = start({ uri: uri }); const P = db.model('ShardPerson', collection);
P.create({ name: 'ryu', age: 25, likes: ['street fighting'] }, function(err, ryu) { assert.ifError(err); P.findById(ryu._id, function(err, doc) { db.close(); assert.ifError(err); assert.equal(doc.id, ryu.id); done(); }); }); });
it('save() and remove() works with shard keys transparently', function(done) { const db = start({ uri: uri }); const P = db.model('ShardPerson', collection);
const zangief = new P({ name: 'Zangief', age: 33 }); zangief.save(function(err) { assert.ifError(err);
assert.equal(zangief.$__.shardval.name, 'Zangief'); assert.equal(zangief.$__.shardval.age, 33);
P.findById(zangief._id, function(err, zang) { assert.ifError(err);
assert.equal(zang.$__.shardval.name, 'Zangief'); assert.equal(zang.$__.shardval.age, 33);
zang.likes = ['spinning', 'laughing']; zang.save(function(err) { assert.ifError(err);
assert.equal(zang.$__.shardval.name, 'Zangief'); assert.equal(zang.$__.shardval.age, 33);
zang.likes.addToSet('winning'); zang.save(function(err) { assert.ifError(err); assert.equal(zang.$__.shardval.name, 'Zangief'); assert.equal(zang.$__.shardval.age, 33); zang.remove(function(err) { db.close(); assert.ifError(err); done(); }); }); }); }); }); });
it('inserting to a sharded collection without the full shard key fails', function(done) { const db = start({ uri: uri }); const P = db.model('ShardPerson', collection);
let pending = 6;
P.create({ name: 'ryu', likes: ['street fighting'] }, function(err) { assert.ok(err); assert.ok(err.message); if (!--pending) { db.close(); done(); } });
P.create({ likes: ['street fighting'] }, function(err) { assert.ok(err); assert.ok(err.message); if (!--pending) { db.close(); done(); } });
P.create({ name: 'ryu' }, function(err) { assert.ok(err); assert.ok(err.message); if (!--pending) { db.close(); done(); } });
P.create({ age: 49 }, function(err) { assert.ok(err); assert.ok(err.message); if (!--pending) { db.close(); done(); } });
P.create({ likes: ['street fighting'], age: 8 }, function(err) { assert.ok(err); assert.ok(err.message); if (!--pending) { db.close(); done(); } });
const p = new P(); p.save(function(err) { assert.ok(err); assert.ok(err.message); if (!--pending) { db.close(); done(); } }); });
it('updating a sharded collection without the full shard key fails', function(done) { const db = start({ uri: uri }); const P = db.model('ShardPerson', collection);
P.create({ name: 'ken', age: 27 }, function(err, ken) { assert.ifError(err);
P.update({ name: 'ken' }, { likes: ['kicking', 'punching'] }, function(err) { assert.ok(/shard key/.test(err.message));
P.update({ _id: ken._id, name: 'ken' }, { likes: ['kicking', 'punching'] }, function(err) { // mongo 2.0.x returns: can't do non-multi update with query that doesn't have a valid shard key if (greaterThan20x) { assert.ok(!err, err); } else { assert.ok(/shard key/.test(err.message)); }
P.update({ _id: ken._id, age: 27 }, { likes: ['kicking', 'punching'] }, function(err) { // mongo 2.0.x returns: can't do non-multi update with query that doesn't have a valid shard key if (greaterThan20x) { assert.ok(!err, err); } else { assert.ok(/shard key/.test(err.message)); }
P.update({ age: 27 }, { likes: ['kicking', 'punching'] }, function(err) { db.close(); assert.ok(err); done(); }); }); }); }); }); });
it('updating shard key values fails', function(done) { const db = start({ uri: uri }); const P = db.model('ShardPerson', collection); P.create({ name: 'chun li', age: 19, likes: ['street fighting'] }, function(err, chunli) { assert.ifError(err);
assert.equal(chunli.$__.shardval.name, 'chun li'); assert.equal(chunli.$__.shardval.age, 19);
chunli.age = 20; chunli.save(function(err) { assert.ok(/^After applying the update to the document/.test(err.message));
assert.equal(chunli.$__.shardval.name, 'chun li'); assert.equal(chunli.$__.shardval.age, 19);
P.findById(chunli._id, function(err, chunli) { assert.ifError(err);
assert.equal(chunli.$__.shardval.name, 'chun li'); assert.equal(chunli.$__.shardval.age, 19);
chunli.name = 'chuuuun liiiii'; chunli.save(function(err) { db.close(); assert.ok(/^After applying the update to the document/.test(err.message)); done(); }); }); }); }); });
it('allows null shard key values', function(done) { const db = start({ uri: uri }); const P = db.model('ShardPerson', collection);
P.create({ name: null, age: 27 }, function(err, ken) { assert.ifError(err); P.findById(ken, function(err) { assert.ifError(err); done(); }); }); });
after(function(done) { const db = start({ uri: uri }); const P = db.model('ShardPerson', collection); P.collection.drop(function() { db.close(); done(); }); });});
mongoose
Version Info
a year ago
