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buffering_proxy.test.js
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buffering_proxy.test.js
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'use strict';
var test = require('./shared').assert;
var co = require('co');
const mock = require('../tools/mock');
const { ReadPreference, ObjectId } = require('../../src');
const { expect } = require('chai');
var extend = function (template, fields) {
var object = {};
for (var name in template) {
object[name] = template[name];
}
for (var fieldName in fields) {
object[fieldName] = fields[name];
}
return object;
};
describe.skip('Buffering Proxy', function () {
afterEach(() => mock.cleanup());
it('successfully handle buffering store execution for primary server', {
metadata: {
requires: {
generators: true,
topology: 'single'
}
},
test: function (done) {
var configuration = this.configuration;
var currentIsMasterIndex = 0;
var electionIds = [new ObjectId(0), new ObjectId(1)];
// Default message fields
var defaultFields = Object.assign({}, mock.DEFAULT_ISMASTER, {
setName: 'rs',
setVersion: 1,
electionId: electionIds[0],
hosts: ['localhost:32000', 'localhost:32001', 'localhost:32002'],
arbiters: ['localhost:32002']
});
// Primary server states
var primary = [
extend(defaultFields, {
ismaster: true,
secondary: false,
me: 'localhost:32000',
primary: 'localhost:32000',
tags: { loc: 'ny' }
}),
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32000',
primary: 'localhost:32000',
tags: { loc: 'ny' }
}),
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32000',
primary: 'localhost:32001',
tags: { loc: 'ny' },
electionId: electionIds[1]
})
];
// Primary server states
var firstSecondary = [
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32001',
primary: 'localhost:32000',
tags: { loc: 'sf' }
}),
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32001',
primary: 'localhost:32000',
tags: { loc: 'sf' }
}),
extend(defaultFields, {
ismaster: true,
secondary: false,
me: 'localhost:32001',
primary: 'localhost:32001',
tags: { loc: 'ny' },
electionId: electionIds[1]
})
];
// Primary server states
var secondSecondary = [
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32002',
primary: 'localhost:32000',
tags: { loc: 'sf' }
}),
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32002',
primary: 'localhost:32000',
tags: { loc: 'sf' }
}),
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32002',
primary: 'localhost:32001',
tags: { loc: 'ny' },
electionId: electionIds[1]
})
];
// Die
var die = false;
var dieSecondary = false;
// Boot the mock
co(function* () {
const primaryServer = yield mock.createServer(32000, 'localhost');
const firstSecondaryServer = yield mock.createServer(32001, 'localhost');
const secondSecondaryServer = yield mock.createServer(32002, 'localhost');
primaryServer.setMessageHandler(request => {
var doc = request.document;
if (die) {
request.connection.destroy();
} else {
if (doc.ismaster || doc.hello) {
request.reply(primary[currentIsMasterIndex]);
} else if (doc.insert) {
request.reply({ ok: 1, n: 1 });
} else if (doc.aggregate) {
request.reply({ ok: 1, n: 1 });
} else if (doc.endSessions) {
request.reply({ ok: 1 });
}
}
});
firstSecondaryServer.setMessageHandler(request => {
var doc = request.document;
if (die || dieSecondary) {
request.connection.destroy();
} else {
if (doc.ismaster || doc.hello) {
request.reply(firstSecondary[currentIsMasterIndex]);
} else if (doc.endSessions) {
request.reply({ ok: 1 });
}
}
});
secondSecondaryServer.setMessageHandler(request => {
var doc = request.document;
if (die || dieSecondary) {
request.connection.destroy();
} else {
if (doc.ismaster || doc.hello) {
request.reply(secondSecondary[currentIsMasterIndex]);
} else if (doc.endSessions) {
request.reply({ ok: 1 });
}
}
});
const client = configuration.newClient(
'mongodb://localhost:32000,localhost:32001,localhost:32002/test?replicaSet=rs',
{
socketTimeoutMS: 2000
}
);
client.connect(function (err, client) {
expect(err).to.not.exist;
var db = client.db(configuration.db);
var results = [];
setTimeout(function () {
die = true;
dieSecondary = true;
setTimeout(function () {
db.collection('test').insertOne({ a: 1 }, function (err) {
expect(err).to.not.exist;
results.push('insertOne');
});
db.command(
{ count: 'test', query: {} },
{ readPreference: new ReadPreference(ReadPreference.SECONDARY) },
function (err) {
expect(err).to.not.exist;
results.push('count');
}
);
db.collection('test')
.aggregate([{ $match: {} }])
.toArray(function (err) {
expect(err).to.not.exist;
results.push('aggregate');
});
db.collection('test')
.find({})
.withReadPreference(new ReadPreference(ReadPreference.SECONDARY))
.toArray(function (err) {
expect(err).to.not.exist;
results.push('find');
});
setTimeout(function () {
die = false;
setTimeout(function () {
test.deepEqual(['insertOne', 'aggregate'].sort(), results.sort());
client.close(done);
}, 1000);
}, 1000);
}, 3000);
}, 1000);
});
});
}
});
it('successfully handle buffering store execution for secondary server', {
metadata: {
requires: {
generators: true,
topology: 'single'
}
},
test: function (done) {
var configuration = this.configuration;
var currentIsMasterIndex = 0;
var electionIds = [new ObjectId(0), new ObjectId(1)];
// Default message fields
var defaultFields = Object.assign({}, mock.DEFAULT_ISMASTER, {
setName: 'rs',
setVersion: 1,
electionId: electionIds[0],
hosts: ['localhost:32000', 'localhost:32001', 'localhost:32002'],
arbiters: ['localhost:32002']
});
// Primary server states
var primary = [
extend(defaultFields, {
ismaster: true,
secondary: false,
me: 'localhost:32000',
primary: 'localhost:32000',
tags: { loc: 'ny' }
}),
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32000',
primary: 'localhost:32000',
tags: { loc: 'ny' }
}),
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32000',
primary: 'localhost:32001',
tags: { loc: 'ny' },
electionId: electionIds[1]
})
];
// Primary server states
var firstSecondary = [
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32001',
primary: 'localhost:32000',
tags: { loc: 'sf' }
}),
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32001',
primary: 'localhost:32000',
tags: { loc: 'sf' }
}),
extend(defaultFields, {
ismaster: true,
secondary: false,
me: 'localhost:32001',
primary: 'localhost:32001',
tags: { loc: 'ny' },
electionId: electionIds[1]
})
];
// Primary server states
var secondSecondary = [
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32002',
primary: 'localhost:32000',
tags: { loc: 'sf' }
}),
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32002',
primary: 'localhost:32000',
tags: { loc: 'sf' }
}),
extend(defaultFields, {
ismaster: false,
secondary: true,
me: 'localhost:32002',
primary: 'localhost:32001',
tags: { loc: 'ny' },
electionId: electionIds[1]
})
];
// Die
var die = false;
var diePrimary = false;
// Boot the mock
co(function* () {
const primaryServer = yield mock.createServer(32000, 'localhost');
const firstSecondaryServer = yield mock.createServer(32001, 'localhost');
const secondSecondaryServer = yield mock.createServer(32002, 'localhost');
primaryServer.setMessageHandler(request => {
var doc = request.document;
if (die || diePrimary) {
request.connection.destroy();
} else {
if (doc.ismaster || doc.hello) {
request.reply(primary[currentIsMasterIndex]);
} else if (doc.endSessions) {
request.reply({ ok: 1 });
}
}
});
firstSecondaryServer.setMessageHandler(request => {
var doc = request.document;
if (die) {
request.connection.destroy();
} else {
if (doc.ismaster || doc.hello) {
request.reply(firstSecondary[currentIsMasterIndex]);
} else if (doc.count) {
request.reply({ ok: 1, n: 10 });
} else if (doc.find) {
request.reply({ ok: 1, n: 10 });
} else if (doc.endSessions) {
request.reply({ ok: 1 });
}
}
});
secondSecondaryServer.setMessageHandler(request => {
var doc = request.document;
if (die) {
request.connection.destroy();
} else {
if (doc.ismaster || doc.hello) {
request.reply(secondSecondary[currentIsMasterIndex]);
} else if (doc.count) {
request.reply({ ok: 1, n: 10 });
} else if (doc.find) {
request.reply({ ok: 1, n: 10 });
} else if (doc.endSessions) {
request.reply({ ok: 1 });
}
}
});
const client = configuration.newClient(
'mongodb://localhost:32000,localhost:32001,localhost:32002/test?replicaSet=rs',
{
socketTimeoutMS: 2000
}
);
client.connect(function (err, client) {
expect(err).to.not.exist;
var db = client.db(configuration.db);
setTimeout(function () {
die = true;
diePrimary = true;
setTimeout(function () {
var results = [];
db.collection('test').insertOne({ a: 1 }, function (err) {
expect(err).to.not.exist;
results.push('insertOne');
});
db.command(
{ count: 'test', query: {} },
{ readPreference: new ReadPreference(ReadPreference.SECONDARY) },
function (err) {
expect(err).to.not.exist;
results.push('count');
}
);
db.collection('test')
.aggregate([{ $match: {} }])
.toArray(function (err) {
expect(err).to.not.exist;
results.push('aggregate');
});
db.collection('test')
.find({})
.withReadPreference(new ReadPreference(ReadPreference.SECONDARY))
.toArray(function (err) {
expect(err).to.not.exist;
results.push('find');
});
setTimeout(function () {
die = false;
setTimeout(function () {
test.deepEqual(['count', 'find'].sort(), results.sort());
client.close(done);
}, 1500);
}, 1000);
}, 3000);
}, 1000);
});
});
}
});
});