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961 lines
47 KiB
JavaScript
961 lines
47 KiB
JavaScript
'use strict';
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var assert = require('assert');
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var config = require('./lib/config');
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var helper = require('./helper');
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var utils = require('../lib/utils');
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var fork = require('child_process').fork;
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var redis = config.redis;
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describe('The node_redis client', function () {
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helper.allTests(function (parser, ip, args) {
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describe('using ' + parser + ' and ' + ip, function () {
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var client;
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afterEach(function () {
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client.end(true);
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});
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describe('when connected', function () {
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beforeEach(function (done) {
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client = redis.createClient.apply(null, args);
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client.once('connect', function () {
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client.flushdb(done);
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});
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});
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describe('duplicate', function () {
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it('check if all options got copied properly', function (done) {
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client.selected_db = 2;
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var client2 = client.duplicate();
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assert.strictEqual(client2.selected_db, 2);
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assert(client.connected);
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assert(!client2.connected);
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for (var elem in client.options) {
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if (client.options.hasOwnProperty(elem)) {
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assert.strictEqual(client2.options[elem], client.options[elem]);
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}
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}
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client2.on('ready', function () {
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client2.end(true);
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done();
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});
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});
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it('check if all new options replaced the old ones', function (done) {
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var client2 = client.duplicate({
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no_ready_check: true
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});
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assert(client.connected);
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assert(!client2.connected);
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assert.strictEqual(client.options.no_ready_check, undefined);
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assert.strictEqual(client2.options.no_ready_check, true);
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assert.notDeepEqual(client.options, client2.options);
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for (var elem in client.options) {
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if (client.options.hasOwnProperty(elem)) {
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if (elem !== 'no_ready_check') {
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assert.strictEqual(client2.options[elem], client.options[elem]);
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}
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}
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}
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client2.on('ready', function () {
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client2.end(true);
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done();
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});
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});
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});
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describe('big data', function () {
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// Check if the fast mode for big strings is working correct
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it('safe strings that are bigger than 30000 characters', function (done) {
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var str = 'foo ಠ_ಠ bar ';
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while (str.length < 111111) {
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str += str;
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}
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client.set('foo', str);
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client.get('foo', function (err, res) {
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assert.strictEqual(res, str);
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done();
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});
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});
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it('safe strings that are bigger than 30000 characters with multi', function (done) {
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var str = 'foo ಠ_ಠ bar ';
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while (str.length < 111111) {
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str += str;
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}
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var called = false;
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var temp = client.writeBuffers.bind(client);
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assert(String(client.writeBuffers) !== String(client.writeDefault));
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client.writeBuffers = function (data) {
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called = true;
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// To increase write performance for strings the value is converted to a buffer
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assert(String(client.writeBuffers) === String(client.writeDefault));
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temp(data);
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};
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client.multi().set('foo', str).get('foo', function (err, res) {
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assert.strictEqual(res, str);
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}).exec(function (err, res) {
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assert(called);
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assert.strictEqual(res[1], str);
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done();
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});
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assert(String(client.writeBuffers) !== String(client.writeDefault));
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});
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});
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describe('send_command', function () {
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it('omitting args should be fine in some cases', function (done) {
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client.send_command('info', undefined, function (err, res) {
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assert(/redis_version/.test(res));
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done();
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});
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});
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it('using another type as cb should just work as if there were no callback parameter', function (done) {
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client.send_command('set', ['test', 'bla'], [true]);
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client.get('test', function (err, res) {
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assert.equal(res, 'bla');
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done();
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});
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});
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it('misusing the function should eventually throw (no command)', function (done) {
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client.send_command(true, 'info', function (err, res) {
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assert(/ERR Protocol error/.test(err.message));
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assert.equal(err.command, undefined);
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assert.equal(err.code, 'ERR');
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done();
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});
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});
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it('misusing the function should eventually throw (wrong args)', function (done) {
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client.send_command('info', false, function (err, res) {
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assert.equal(err.message, 'ERR Protocol error: invalid multibulk length');
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done();
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});
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});
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});
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describe('retry_unfulfilled_commands', function () {
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it('should retry all commands instead of returning an error if a command did not yet return after a connection loss', function (done) {
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var bclient = redis.createClient({
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parser: parser,
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retry_unfulfilled_commands: true
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});
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bclient.blpop('blocking list 2', 5, function (err, value) {
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assert.strictEqual(value[0], 'blocking list 2');
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assert.strictEqual(value[1], 'initial value');
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return done(err);
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});
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bclient.once('ready', function () {
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setTimeout(function () {
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bclient.stream.destroy();
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client.rpush('blocking list 2', 'initial value', helper.isNumber(1));
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}, 100);
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});
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});
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});
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describe('.end', function () {
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it('used without flush / flush set to false', function (done) {
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var finished = false;
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var end = helper.callFuncAfter(function () {
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if (!finished) {
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done(new Error('failed'));
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}
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}, 20);
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var cb = function (err, res) {
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assert(/The connection has already been closed/.test(err.message));
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end();
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};
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for (var i = 0; i < 20; i++) {
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if (i === 10) {
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client.end();
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}
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client.set('foo', 'bar', cb);
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}
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setTimeout(function () {
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finished = true;
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done();
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}, 250);
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});
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it('used with flush set to true', function (done) {
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var end = helper.callFuncAfter(function () {
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done();
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}, 20);
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var cb = function (err, res) {
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assert(/The connection has already been closed./.test(err.message));
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end();
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};
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for (var i = 0; i < 20; i++) {
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if (i === 10) {
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client.end(true);
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}
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client.set('foo', 'bar', cb);
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}
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});
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});
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describe('commands after using .quit should fail', function () {
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it('return an error in the callback', function (done) {
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if (helper.redisProcess().spawnFailed()) this.skip();
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// TODO: Investigate why this test is failing hard and killing mocha if using '/tmp/redis.sock'.
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// Seems like something is wrong with nyc while passing a socket connection to create client!
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client = redis.createClient();
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client.quit(function () {
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client.get('foo', function (err, res) {
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assert(err.message.indexOf('Redis connection gone') !== -1);
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assert.strictEqual(client.offline_queue.length, 0);
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done();
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});
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});
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});
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it('return an error in the callback version two', function (done) {
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if (helper.redisProcess().spawnFailed()) this.skip();
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client.quit();
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setTimeout(function () {
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client.get('foo', function (err, res) {
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assert.strictEqual(err.message, 'GET can\'t be processed. The connection has already been closed.');
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assert.strictEqual(err.command, 'GET');
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assert.strictEqual(client.offline_queue.length, 0);
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done();
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});
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}, 100);
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});
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it('emit an error', function (done) {
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if (helper.redisProcess().spawnFailed()) this.skip();
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client.quit();
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client.on('error', function (err) {
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assert.strictEqual(err.message, 'SET can\'t be processed. The connection has already been closed.');
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assert.strictEqual(err.command, 'SET');
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assert.strictEqual(client.offline_queue.length, 0);
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done();
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});
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setTimeout(function () {
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client.set('foo', 'bar');
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}, 50);
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});
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});
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describe('when redis closes unexpectedly', function () {
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it('reconnects and can retrieve the pre-existing data', function (done) {
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client.on('reconnecting', function on_recon (params) {
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client.on('connect', function on_connect () {
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var end = helper.callFuncAfter(function () {
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client.removeListener('connect', on_connect);
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client.removeListener('reconnecting', on_recon);
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assert.strictEqual(client.server_info.db0.keys, 2);
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assert.strictEqual(Object.keys(client.server_info.db0).length, 3);
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done();
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}, 4);
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client.get('recon 1', helper.isString('one', end));
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client.get('recon 1', helper.isString('one', end));
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client.get('recon 2', helper.isString('two', end));
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client.get('recon 2', helper.isString('two', end));
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});
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});
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client.set('recon 1', 'one');
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client.set('recon 2', 'two', function (err, res) {
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// Do not do this in normal programs. This is to simulate the server closing on us.
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// For orderly shutdown in normal programs, do client.quit()
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client.stream.destroy();
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});
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});
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it('reconnects properly when monitoring', function (done) {
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client.on('reconnecting', function on_recon (params) {
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client.on('ready', function on_ready () {
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assert.strictEqual(client.monitoring, true, 'monitoring after reconnect');
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client.removeListener('ready', on_ready);
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client.removeListener('reconnecting', on_recon);
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done();
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});
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});
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assert.strictEqual(client.monitoring, false, 'monitoring off at start');
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client.set('recon 1', 'one');
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client.monitor(function (err, res) {
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assert.strictEqual(client.monitoring, true, 'monitoring on after monitor()');
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client.set('recon 2', 'two', function (err, res) {
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// Do not do this in normal programs. This is to simulate the server closing on us.
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// For orderly shutdown in normal programs, do client.quit()
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client.stream.destroy();
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});
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});
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});
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describe("and it's subscribed to a channel", function () {
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// "Connection in subscriber mode, only subscriber commands may be used"
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it('reconnects, unsubscribes, and can retrieve the pre-existing data', function (done) {
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client.on('ready', function on_connect () {
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client.unsubscribe(helper.isNotError());
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client.on('unsubscribe', function (channel, count) {
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// we should now be out of subscriber mode.
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assert.strictEqual(channel, 'recon channel');
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assert.strictEqual(count, 0);
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client.set('foo', 'bar', helper.isString('OK', done));
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});
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});
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client.set('recon 1', 'one');
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client.subscribe('recon channel', function (err, res) {
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// Do not do this in normal programs. This is to simulate the server closing on us.
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// For orderly shutdown in normal programs, do client.quit()
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client.stream.destroy();
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});
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});
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it('reconnects, unsubscribes, and can retrieve the pre-existing data of a explicit channel', function (done) {
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client.on('ready', function on_connect () {
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client.unsubscribe('recon channel', helper.isNotError());
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client.on('unsubscribe', function (channel, count) {
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// we should now be out of subscriber mode.
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assert.strictEqual(channel, 'recon channel');
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assert.strictEqual(count, 0);
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client.set('foo', 'bar', helper.isString('OK', done));
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});
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});
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client.set('recon 1', 'one');
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client.subscribe('recon channel', function (err, res) {
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// Do not do this in normal programs. This is to simulate the server closing on us.
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// For orderly shutdown in normal programs, do client.quit()
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client.stream.destroy();
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});
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});
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});
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describe('domain', function () {
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it('allows client to be executed from within domain', function (done) {
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var domain = require('domain').create();
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domain.run(function () {
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client.set('domain', 'value', function (err, res) {
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assert.ok(process.domain);
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throw new Error('ohhhh noooo');
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});
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});
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// this is the expected and desired behavior
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domain.on('error', function (err) {
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assert.strictEqual(err.message, 'ohhhh noooo');
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domain.exit();
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done();
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});
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});
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it('catches all errors from within the domain', function (done) {
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var domain = require('domain').create();
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domain.run(function () {
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// Trigger an error within the domain
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client.end(true);
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client.set('domain', 'value');
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});
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domain.on('error', function (err) {
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assert.strictEqual(err.message, 'SET can\'t be processed. The connection has already been closed.');
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domain.exit();
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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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describe('monitor', function () {
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it('monitors commands on all redis clients and works in the correct order', function (done) {
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var monitorClient = redis.createClient.apply(null, args);
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var responses = [];
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var end = helper.callFuncAfter(done, 5);
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monitorClient.set('foo', 'bar');
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monitorClient.flushdb();
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monitorClient.monitor(function (err, res) {
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assert.strictEqual(res, 'OK');
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client.mget('some', 'keys', 'foo', 'bar');
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client.set('json', JSON.stringify({
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foo: '123',
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bar: 'sdflkdfsjk',
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another: false
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}));
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monitorClient.get('baz', function (err, res) {
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assert.strictEqual(res, null);
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end(err);
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});
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monitorClient.set('foo', 'bar" "s are " " good!"', function (err, res) {
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assert.strictEqual(res, 'OK');
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end(err);
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});
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monitorClient.mget('foo', 'baz', function (err, res) {
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assert.strictEqual(res[0], 'bar" "s are " " good!"');
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assert.strictEqual(res[1], null);
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end(err);
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});
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monitorClient.subscribe('foo', 'baz', function (err, res) {
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// The return value might change in v.3
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// assert.strictEqual(res, 'baz');
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// TODO: Fix the return value of subscribe calls
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end(err);
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});
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});
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monitorClient.on('monitor', function (time, args, rawOutput) {
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responses.push(args);
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assert(utils.monitor_regex.test(rawOutput), rawOutput);
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if (responses.length === 6) {
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assert.deepEqual(responses[0], ['mget', 'some', 'keys', 'foo', 'bar']);
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assert.deepEqual(responses[1], ['set', 'json', '{"foo":"123","bar":"sdflkdfsjk","another":false}']);
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assert.deepEqual(responses[2], ['get', 'baz']);
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assert.deepEqual(responses[3], ['set', 'foo', 'bar" "s are " " good!"']);
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assert.deepEqual(responses[4], ['mget', 'foo', 'baz']);
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assert.deepEqual(responses[5], ['subscribe', 'foo', 'baz']);
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monitorClient.quit(end);
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}
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});
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});
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it('monitors returns strings in the rawOutput even with return_buffers activated', function (done) {
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var monitorClient = redis.createClient({
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return_buffers: true
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});
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monitorClient.MONITOR(function (err, res) {
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assert.strictEqual(res.inspect(), new Buffer('OK').inspect());
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client.mget('hello', new Buffer('world'));
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});
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monitorClient.on('monitor', function (time, args, rawOutput) {
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assert.strictEqual(typeof rawOutput, 'string');
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assert(utils.monitor_regex.test(rawOutput), rawOutput);
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assert.deepEqual(args, ['mget', 'hello', 'world']);
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// Quit immediatly ends monitoring mode and therefor does not stream back the quit command
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monitorClient.quit(done);
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});
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});
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it('monitors reconnects properly and works with the offline queue', function (done) {
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var i = 0;
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client.MONITOR(helper.isString('OK'));
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client.mget('hello', 'world');
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client.on('monitor', function (time, args, rawOutput) {
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assert(utils.monitor_regex.test(rawOutput), rawOutput);
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assert.deepEqual(args, ['mget', 'hello', 'world']);
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if (i++ === 2) {
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// End after two reconnects
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return done();
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}
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client.stream.destroy();
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client.mget('hello', 'world');
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});
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});
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it('monitors works in combination with the pub sub mode and the offline queue', function (done) {
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var responses = [];
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var pub = redis.createClient();
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pub.on('ready', function () {
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client.MONITOR(function (err, res) {
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assert.strictEqual(res, 'OK');
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pub.get('foo', helper.isNull());
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});
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client.subscribe('/foo', '/bar');
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client.unsubscribe('/bar');
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setTimeout(function () {
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client.stream.destroy();
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client.once('ready', function () {
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pub.publish('/foo', 'hello world');
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});
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client.set('foo', 'bar', helper.isError());
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client.subscribe('baz');
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client.unsubscribe('baz');
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}, 150);
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var called = false;
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client.on('monitor', function (time, args, rawOutput) {
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responses.push(args);
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assert(utils.monitor_regex.test(rawOutput), rawOutput);
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if (responses.length === 7) {
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assert.deepEqual(responses[0], ['subscribe', '/foo', '/bar']);
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assert.deepEqual(responses[1], ['unsubscribe', '/bar']);
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assert.deepEqual(responses[2], ['get', 'foo']);
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assert.deepEqual(responses[3], ['subscribe', '/foo']);
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assert.deepEqual(responses[4], ['subscribe', 'baz']);
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assert.deepEqual(responses[5], ['unsubscribe', 'baz']);
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assert.deepEqual(responses[6], ['publish', '/foo', 'hello world']);
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// The publish is called right after the reconnect and the monitor is called before the message is emitted.
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// Therefor we have to wait till the next tick
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process.nextTick(function () {
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assert(called);
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client.quit(done);
|
|
pub.end(false);
|
|
});
|
|
}
|
|
});
|
|
client.on('message', function (channel, msg) {
|
|
assert.strictEqual(channel, '/foo');
|
|
assert.strictEqual(msg, 'hello world');
|
|
called = true;
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('idle', function () {
|
|
it('emits idle as soon as there are no outstanding commands', function (done) {
|
|
var end = helper.callFuncAfter(done, 2);
|
|
client.on('warning', function (msg) {
|
|
assert.strictEqual(
|
|
msg,
|
|
'The idle event listener is deprecated and will likely be removed in v.3.0.0.\n' +
|
|
'If you rely on this feature please open a new ticket in node_redis with your use case'
|
|
);
|
|
end();
|
|
});
|
|
client.on('idle', function onIdle () {
|
|
client.removeListener('idle', onIdle);
|
|
client.get('foo', helper.isString('bar', end));
|
|
});
|
|
client.set('foo', 'bar');
|
|
});
|
|
});
|
|
|
|
describe('utf8', function () {
|
|
it('handles utf-8 keys', function (done) {
|
|
var utf8_sample = 'ಠ_ಠ';
|
|
client.set(['utf8test', utf8_sample], helper.isString('OK'));
|
|
client.get(['utf8test'], function (err, obj) {
|
|
assert.strictEqual(utf8_sample, obj);
|
|
return done(err);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('unref', function () {
|
|
it('exits subprocess as soon as final command is processed', function (done) {
|
|
this.timeout(12000);
|
|
var args = config.HOST[ip] ? [config.HOST[ip], config.PORT] : [ip];
|
|
var external = fork('./test/lib/unref.js', args);
|
|
|
|
var id = setTimeout(function () {
|
|
external.kill();
|
|
return done(Error('unref subprocess timed out'));
|
|
}, 8000);
|
|
|
|
external.on('close', function (code) {
|
|
clearTimeout(id);
|
|
assert.strictEqual(code, 0);
|
|
return done();
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('execution order / fire query while loading', function () {
|
|
it('keep execution order for commands that may fire while redis is still loading', function (done) {
|
|
client = redis.createClient.apply(null, args);
|
|
var fired = false;
|
|
client.set('foo', 'bar', function (err, res) {
|
|
assert(fired === false);
|
|
done();
|
|
});
|
|
client.info(function (err, res) {
|
|
fired = true;
|
|
});
|
|
});
|
|
|
|
it('should fire early', function (done) {
|
|
client = redis.createClient.apply(null, args);
|
|
var fired = false;
|
|
client.info(function (err, res) {
|
|
fired = true;
|
|
});
|
|
client.set('foo', 'bar', function (err, res) {
|
|
assert(fired);
|
|
done();
|
|
});
|
|
assert.strictEqual(client.offline_queue.length, 1);
|
|
assert.strictEqual(client.command_queue.length, 1);
|
|
client.on('connect', function () {
|
|
assert.strictEqual(client.offline_queue.length, 1);
|
|
assert.strictEqual(client.command_queue.length, 1);
|
|
});
|
|
client.on('ready', function () {
|
|
assert.strictEqual(client.offline_queue.length, 0);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('socket_nodelay', function () {
|
|
describe('true', function () {
|
|
var args = config.configureClient(parser, ip, {
|
|
socket_nodelay: true
|
|
});
|
|
|
|
it("fires client.on('ready')", function (done) {
|
|
client = redis.createClient.apply(null, args);
|
|
client.on('ready', function () {
|
|
assert.strictEqual(true, client.options.socket_nodelay);
|
|
client.quit();
|
|
|
|
client.once('end', function () {
|
|
return done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('client is functional', function (done) {
|
|
client = redis.createClient.apply(null, args);
|
|
client.on('ready', function () {
|
|
assert.strictEqual(true, client.options.socket_nodelay);
|
|
client.set(['set key 1', 'set val'], helper.isString('OK'));
|
|
client.set(['set key 2', 'set val'], helper.isString('OK'));
|
|
client.get(['set key 1'], helper.isString('set val'));
|
|
client.get(['set key 2'], helper.isString('set val'));
|
|
client.quit();
|
|
|
|
client.once('end', function () {
|
|
return done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('false', function () {
|
|
var args = config.configureClient(parser, ip, {
|
|
socket_nodelay: false
|
|
});
|
|
|
|
it("fires client.on('ready')", function (done) {
|
|
client = redis.createClient.apply(null, args);
|
|
client.on('ready', function () {
|
|
assert.strictEqual(false, client.options.socket_nodelay);
|
|
client.quit();
|
|
|
|
client.once('end', function () {
|
|
return done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('client is functional', function (done) {
|
|
client = redis.createClient.apply(null, args);
|
|
client.on('ready', function () {
|
|
assert.strictEqual(false, client.options.socket_nodelay);
|
|
client.set(['set key 1', 'set val'], helper.isString('OK'));
|
|
client.set(['set key 2', 'set val'], helper.isString('OK'));
|
|
client.get(['set key 1'], helper.isString('set val'));
|
|
client.get(['set key 2'], helper.isString('set val'));
|
|
client.quit();
|
|
|
|
client.once('end', function () {
|
|
return done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('defaults to true', function () {
|
|
|
|
it("fires client.on('ready')", function (done) {
|
|
client = redis.createClient.apply(null, args);
|
|
client.on('ready', function () {
|
|
assert.strictEqual(true, client.options.socket_nodelay);
|
|
client.quit();
|
|
|
|
client.once('end', function () {
|
|
return done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('client is functional', function (done) {
|
|
client = redis.createClient.apply(null, args);
|
|
client.on('ready', function () {
|
|
assert.strictEqual(true, client.options.socket_nodelay);
|
|
client.set(['set key 1', 'set val'], helper.isString('OK'));
|
|
client.set(['set key 2', 'set val'], helper.isString('OK'));
|
|
client.get(['set key 1'], helper.isString('set val'));
|
|
client.get(['set key 2'], helper.isString('set val'));
|
|
client.quit();
|
|
|
|
client.once('end', function () {
|
|
return done();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('retry_max_delay', function () {
|
|
it('sets upper bound on how long client waits before reconnecting', function (done) {
|
|
var time;
|
|
var timeout = process.platform !== 'win32' ? 20 : 100;
|
|
|
|
client = redis.createClient.apply(null, config.configureClient(parser, ip, {
|
|
retry_max_delay: 1 // ms
|
|
}));
|
|
client.on('ready', function () {
|
|
if (this.times_connected === 1) {
|
|
this.stream.end();
|
|
time = Date.now();
|
|
} else {
|
|
done();
|
|
}
|
|
});
|
|
client.on('reconnecting', function () {
|
|
time = Date.now() - time;
|
|
assert(time < timeout, 'The reconnect should not have taken longer than ' + timeout + ' but it took ' + time);
|
|
});
|
|
client.on('error', function (err) {
|
|
// This is rare but it might be triggered.
|
|
// So let's have a robust test
|
|
assert.strictEqual(err.code, 'ECONNRESET');
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('protocol error', function () {
|
|
|
|
it('should gracefully recover and only fail on the already send commands', function (done) {
|
|
client = redis.createClient.apply(null, args);
|
|
client.on('error', function (err) {
|
|
assert.strictEqual(err.message, 'Protocol error, got "a" as reply type byte');
|
|
// After the hard failure work properly again. The set should have been processed properly too
|
|
client.get('foo', function (err, res) {
|
|
assert.strictEqual(res, 'bar');
|
|
done();
|
|
});
|
|
});
|
|
client.once('ready', function () {
|
|
client.set('foo', 'bar', function (err, res) {
|
|
assert.strictEqual(err.message, 'Protocol error, got "a" as reply type byte');
|
|
});
|
|
// Fail the set answer. Has no corresponding command obj and will therefor land in the error handler and set
|
|
client.reply_parser.execute(new Buffer('a*1\r*1\r$1`zasd\r\na'));
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('enable_offline_queue', function () {
|
|
describe('true', function () {
|
|
it('should emit drain if offline queue is flushed and nothing to buffer', function (done) {
|
|
client = redis.createClient({
|
|
parser: parser,
|
|
no_ready_check: true
|
|
});
|
|
var end = helper.callFuncAfter(done, 3);
|
|
client.set('foo', 'bar');
|
|
client.get('foo', end);
|
|
client.on('warning', function (msg) {
|
|
assert.strictEqual(
|
|
msg,
|
|
'The drain event listener is deprecated and will be removed in v.3.0.0.\n' +
|
|
'If you want to keep on listening to this event please listen to the stream drain event directly.'
|
|
);
|
|
end();
|
|
});
|
|
client.on('drain', function () {
|
|
assert(client.offline_queue.length === 0);
|
|
end();
|
|
});
|
|
});
|
|
|
|
it('does not return an error and enqueues operation', function (done) {
|
|
client = redis.createClient(9999, null, {
|
|
max_attempts: 0,
|
|
parser: parser
|
|
});
|
|
var finished = false;
|
|
client.on('error', function (e) {
|
|
// ignore, b/c expecting a "can't connect" error
|
|
});
|
|
|
|
return setTimeout(function () {
|
|
client.set('foo', 'bar', function (err, result) {
|
|
if (!finished) {
|
|
// This should never be called
|
|
return done(err);
|
|
}
|
|
assert.strictEqual(err.message, "The command can't be processed. The connection has already been closed.");
|
|
});
|
|
|
|
return setTimeout(function () {
|
|
assert.strictEqual(client.offline_queue.length, 1);
|
|
finished = true;
|
|
return done();
|
|
}, 25);
|
|
}, 50);
|
|
});
|
|
|
|
it('enqueues operation and keep the queue while trying to reconnect', function (done) {
|
|
client = redis.createClient(9999, null, {
|
|
max_attempts: 4,
|
|
parser: parser
|
|
});
|
|
var i = 0;
|
|
|
|
client.on('error', function (err) {
|
|
if (err.message === 'Redis connection in broken state: maximum connection attempts exceeded.') {
|
|
assert(i, 3);
|
|
assert.strictEqual(client.offline_queue.length, 0);
|
|
done();
|
|
} else {
|
|
assert.equal(err.code, 'ECONNREFUSED');
|
|
assert.equal(err.errno, 'ECONNREFUSED');
|
|
assert.equal(err.syscall, 'connect');
|
|
}
|
|
});
|
|
|
|
client.on('reconnecting', function (params) {
|
|
i++;
|
|
assert.equal(params.attempt, i);
|
|
assert.strictEqual(params.times_connected, 0);
|
|
assert(params.error instanceof Error);
|
|
assert(typeof params.total_retry_time === 'number');
|
|
assert.strictEqual(client.offline_queue.length, 2);
|
|
});
|
|
|
|
// Should work with either a callback or without
|
|
client.set('baz', 13);
|
|
client.set('foo', 'bar', function (err, result) {
|
|
assert(i, 3);
|
|
assert(err);
|
|
assert.strictEqual(client.offline_queue.length, 0);
|
|
});
|
|
});
|
|
|
|
it('flushes the command queue if connection is lost', function (done) {
|
|
client = redis.createClient({
|
|
parser: parser
|
|
});
|
|
|
|
client.once('ready', function () {
|
|
var multi = client.multi();
|
|
multi.config('bar');
|
|
var cb = function (err, reply) {
|
|
assert.equal(err.code, 'UNCERTAIN_STATE');
|
|
};
|
|
for (var i = 0; i < 12; i += 3) {
|
|
client.set('foo' + i, 'bar' + i);
|
|
multi.set('foo' + (i + 1), 'bar' + (i + 1), cb);
|
|
multi.set('foo' + (i + 2), 'bar' + (i + 2));
|
|
}
|
|
multi.exec();
|
|
assert.equal(client.command_queue.length, 15);
|
|
helper.killConnection(client);
|
|
});
|
|
|
|
client.on('error', function (err) {
|
|
if (/uncertain state/.test(err.message)) {
|
|
assert.equal(client.command_queue.length, 0);
|
|
done();
|
|
} else {
|
|
assert.equal(err.code, 'ECONNREFUSED');
|
|
assert.equal(err.errno, 'ECONNREFUSED');
|
|
assert.equal(err.syscall, 'connect');
|
|
}
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('false', function () {
|
|
|
|
it('stream not writable', function (done) {
|
|
client = redis.createClient({
|
|
parser: parser,
|
|
enable_offline_queue: false
|
|
});
|
|
client.on('ready', function () {
|
|
client.stream.destroy();
|
|
client.set('foo', 'bar', function (err, res) {
|
|
assert.strictEqual(err.message, "SET can't be processed. Stream not writeable.");
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('emit an error and does not enqueues operation', function (done) {
|
|
client = redis.createClient(9999, null, {
|
|
parser: parser,
|
|
max_attempts: 0,
|
|
enable_offline_queue: false
|
|
});
|
|
var end = helper.callFuncAfter(done, 3);
|
|
|
|
client.on('error', function (err) {
|
|
assert(/offline queue is deactivated|ECONNREFUSED/.test(err.message));
|
|
assert.equal(client.command_queue.length, 0);
|
|
end();
|
|
});
|
|
|
|
client.set('foo', 'bar');
|
|
|
|
assert.doesNotThrow(function () {
|
|
client.set('foo', 'bar', function (err) {
|
|
// should callback with an error
|
|
assert.ok(err);
|
|
setTimeout(end, 50);
|
|
});
|
|
});
|
|
});
|
|
|
|
it('flushes the command queue if connection is lost', function (done) {
|
|
client = redis.createClient({
|
|
parser: parser,
|
|
max_attempts: 2,
|
|
enable_offline_queue: false
|
|
});
|
|
|
|
client.once('ready', function () {
|
|
var multi = client.multi();
|
|
multi.config('bar');
|
|
var cb = function (err, reply) {
|
|
assert.equal(err.code, 'UNCERTAIN_STATE');
|
|
};
|
|
for (var i = 0; i < 12; i += 3) {
|
|
client.set('foo' + i, 'bar' + i);
|
|
multi.set('foo' + (i + 1), 'bar' + (i + 1), cb);
|
|
multi.set('foo' + (i + 2), 'bar' + (i + 2));
|
|
}
|
|
multi.exec();
|
|
assert.equal(client.command_queue.length, 15);
|
|
helper.killConnection(client);
|
|
});
|
|
|
|
client.on('error', function (err) {
|
|
if (err.code === 'UNCERTAIN_STATE') {
|
|
assert.equal(client.command_queue.length, 0);
|
|
done();
|
|
} else {
|
|
assert.equal(err.code, 'ECONNREFUSED');
|
|
assert.equal(err.errno, 'ECONNREFUSED');
|
|
assert.equal(err.syscall, 'connect');
|
|
}
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
});
|
|
});
|
|
});
|