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unit.test.js
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unit.test.js
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var assert = require('assert');
var connectMongoDBSession = require('../');
var ee = require('events').EventEmitter;
var mongodb = require('mongodb');
var strawman = require('strawman');
describe('connectMongoDBSession', function() {
var client = {"db": {}};
var db;
var StoreStub;
beforeEach(function() {
db = strawman({
collection: { argumentNames: ['collection'], chain: true },
createIndex: { argumentNames: ['index', 'options', 'callback'] },
findOne: { argumentNames: ['query', 'callback'] },
remove: { argumentNames: ['query', 'callback'] },
update: { argumentNames: ['query', 'update', 'options', 'callback' ] }
});
client.db = function(n) {return db;};
mongodb.MongoClient.connect = function(uri, options, callback) {
process.nextTick(function() { callback(null, client); });
};
StoreStub = function() {};
StoreStub.prototype = { connectMongoDB: 1 };
});
describe('options', function() {
it('can specify uri', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore({ uri: 'mongodb://host:port/db' });
assert.equal(session.options.uri, 'mongodb://host:port/db');
assert.equal(session.options.idField, '_id');
done();
});
it('can specify collection', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore({ collection: 'notSessions' });
assert.equal(session.options.uri, 'mongodb://localhost:27017/test');
assert.equal(session.options.collection, 'notSessions');
done();
});
it('can specify expires', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore({ expires: 25 });
assert.equal(session.options.uri, 'mongodb://localhost:27017/test');
assert.equal(session.options.expires, 25);
done();
});
it('can specify idField', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore({ idField: 'sessionId' });
assert.equal(session.options.uri, 'mongodb://localhost:27017/test');
assert.deepEqual(session._generateQuery('1234'), { sessionId: '1234' });
done();
});
});
it('can get Store object from Express 3', function(done) {
var SessionStore = connectMongoDBSession({ session: { Store: StoreStub } });
assert.ok(SessionStore.prototype.connectMongoDB);
done();
});
it('specifying options is optional', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var numIndexCalls = 0;
db.createIndex.on('called', function(args) {
assert.equal(++numIndexCalls, 1);
assert.equal(args.index.expires, 1);
args.callback();
});
var session = new SessionStore(function(error) {
assert.ifError(error);
done();
});
assert.equal(session.options.uri, 'mongodb://localhost:27017/test');
});
it('uses default options and no callback if no args passed', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var numIndexCalls = 0;
db.createIndex.on('called', function(args) {
assert.equal(++numIndexCalls, 1);
assert.equal(args.index.expires, 1);
args.callback();
});
var session = new SessionStore();
assert.equal(session.options.uri, 'mongodb://localhost:27017/test');
session.on('connected', function() {
done();
});
});
it('throws an error when connection fails and no callback', function(done) {
mongodb.MongoClient.connect = function(uri, options, callback) {
// purposely make callback sync
callback(new Error('Cant connect'));
};
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var threw = false;
try {
new SessionStore();
} catch (error) {
threw = true;
assert.equal(error.message, 'Error connecting to db: Cant connect');
}
done();
});
it('passes error to callback if specified', function(done) {
mongodb.MongoClient.connect = function(uri, options, callback) {
process.nextTick(function() { callback(new Error('Cant connect')); });
};
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var numSources = 2;
var store = new SessionStore(function(error) {
assert.ok(error);
--numSources || done();
});
store.once('error', function(error) {
assert.ok(error);
--numSources || done();
});
});
it('handles index errors', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var numIndexCalls = 0;
db.createIndex.on('called', function(args) {
assert.equal(++numIndexCalls, 1);
assert.equal(args.index.expires, 1);
args.callback(new Error('Index fail'));
});
var session = new SessionStore(function(error) {
assert.equal(error.message, 'Error creating index: Index fail');
done();
});
});
describe('get()', function() {
var numIndexCalls;
beforeEach(function() {
numIndexCalls = 0;
db.createIndex.on('called', function(args) {
assert.equal(++numIndexCalls, 1);
assert.equal(args.index.expires, 1);
args.callback();
});
});
it('buffers get() calls', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var emitter = new ee();
mongodb.MongoClient.connect = function(uri, options, callback) {
emitter.on('success', function() {
callback(null, client);
});
};
var session = new SessionStore();
db.findOne.on('called', function(args) {
args.callback(null,
{ expires: new Date('2040-06-01T00:00:00.000Z'), session: { data: 1 } });
});
session.get('1234', function(error) {
assert.ifError(error);
assert.equal(numIndexCalls, 1);
done();
});
setImmediate(function() {
emitter.emit('success');
});
});
it('handles get() errors', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore();
db.findOne.on('called', function(args) {
args.callback(new Error('fail!'));
});
session.get('1234', function(error) {
assert.ok(error);
assert.equal(error.message, 'Error finding 1234: fail!');
done();
});
});
it('calls destroy() on stale sessions', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var numRemoveCalls = 0;
var session = new SessionStore();
db.findOne.on('called', function(args) {
args.callback(null, { expires: new Date('2011-06-01T00:00:00.000Z') });
});
db.remove.on('called', function(args) {
++numRemoveCalls;
assert.equal(args.query._id, '1234');
args.callback();
});
session.get('1234', function(error, doc) {
assert.ifError(error);
assert.ok(!doc);
assert.equal(numRemoveCalls, 1);
done();
});
});
it('returns empty if no session found', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore();
db.findOne.on('called', function(args) {
args.callback(null, null);
});
session.get('1234', function(error, doc) {
assert.ifError(error);
assert.ok(!doc);
done();
});
});
});
describe('destroy()', function() {
var numIndexCalls;
beforeEach(function() {
numIndexCalls = 0;
db.createIndex.on('called', function(args) {
assert.equal(++numIndexCalls, 1);
assert.equal(args.index.expires, 1);
args.callback();
});
});
it('buffers until connected', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var emitter = new ee();
mongodb.MongoClient.connect = function(uri, options, callback) {
emitter.on('success', function() {
callback(null, client);
});
};
var session = new SessionStore();
db.remove.on('called', function(args) {
args.callback(null);
});
session.destroy('1234', function(error) {
assert.ifError(error);
assert.equal(numIndexCalls, 1);
done();
});
setImmediate(function() {
emitter.emit('success');
});
});
it('reports driver errors', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore();
db.remove.on('called', function(args) {
args.callback(new Error('fail!'));
});
session.destroy('1234', function(error) {
assert.ok(error);
assert.equal(error.message, 'Error destroying 1234: fail!');
done();
});
});
});
describe('set()', function(done) {
var numIndexCalls;
beforeEach(function() {
numIndexCalls = 0;
db.createIndex.on('called', function(args) {
assert.equal(++numIndexCalls, 1);
assert.equal(args.index.expires, 1);
args.callback();
});
});
it('buffers until connected', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var emitter = new ee();
mongodb.MongoClient.connect = function(uri, options, callback) {
emitter.on('success', function() {
callback(null, client);
});
};
var session = new SessionStore();
db.update.on('called', function(args) {
args.callback(null);
});
session.set('1234', { test: 1 }, function(error) {
assert.ifError(error);
assert.equal(numIndexCalls, 1);
done();
});
setImmediate(function() {
emitter.emit('success');
});
});
it('converts expires to a date', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore();
db.update.on('called', function(args) {
assert.ok(args.update.expires instanceof Date);
assert.equal(args.update.expires.getTime(),
new Date('2011-06-01T00:00:00.000Z').getTime());
args.callback(null);
});
var update = {
test: 1,
cookie: { expires: '2011-06-01T00:00:00.000Z' }
};
session.set('1234', update, function(error) {
assert.ifError(error);
assert.equal(db.update.calls.length, 1);
done();
});
});
it('handles set() errors', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore();
db.update.on('called', function(args) {
args.callback(new Error('fail!'));
});
session.set('1234', {}, function(error) {
assert.ok(error);
assert.equal(error.message, 'Error setting 1234 to {}: fail!');
done();
});
});
/** For backwards compatibility with connect-mongo */
it('converts cookies to JSON strings', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore();
db.update.on('called', function(args) {
assert.equal(args.update.session.cookie, 'put that cookie down!');
args.callback(null);
});
var update = {
test: 1,
cookie: { toJSON: function() { return 'put that cookie down!'; } }
};
session.set('1234', update, function(error) {
assert.ifError(error);
assert.equal(db.update.calls.length, 1);
done();
});
});
/** For backwards compatibility with connect-mongo */
it('unless they do not have a toJSON()', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore();
db.update.on('called', function(args) {
assert.deepEqual(args.update.session.cookie, { test: 2 });
args.callback(null);
});
var update = {
test: 1,
cookie: { test: 2 }
};
session.set('1234', update, function(error) {
assert.ifError(error);
assert.equal(db.update.calls.length, 1);
done();
});
});
});
describe('clear()', function(done){
var numIndexCalls;
beforeEach(function() {
numIndexCalls = 0;
db.createIndex.on('called', function(args) {
assert.equal(++numIndexCalls, 1);
assert.equal(args.index.expires, 1);
args.callback();
});
});
it('clears the session store', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore();
db.remove.on('called', function(args) {
args.callback(null);
});
session.clear(function(error) {
assert.ifError(error);
done();
});
});
it('handles set() errors', function(done) {
var SessionStore = connectMongoDBSession({ Store: StoreStub });
var session = new SessionStore();
db.remove.on('called', function(args) {
args.callback(new Error('fail!'));
});
session.clear(function(error) {
assert.ok(error);
assert.equal(error.message, 'Error clearing all sessions: fail!');
done();
});
});
});
});