blackbird-server

<!doctype html> <html lang="en"> <head> <title>Code coverage report for modules/middleware/session/RedisStore.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../../prettify.css" /> <link rel="stylesheet" href="../../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../../index.html">all files</a> / <a href="index.html">modules/middleware/session/</a> RedisStore.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 26.92% Statements 14/52 </div> <div class='fl pad1y space-right2'> 16.67% Branches 4/24 </div> <div class='fl pad1y space-right2'> 7.14% Functions 1/14 </div> <div class='fl pad1y space-right2'> 26.92% Lines 14/52 </div> </div> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134</td><td class="line-coverage quiet">1× 1× 1× 1× 1×   1×                           1×                                                                               1× 1×   1× 1× 1×         1×                                                                                                                           1×  </td><td class="text"><pre class="prettyprint lang-js">const d = require("describe-property"); const redis = require("redis"); const makeToken = require("../../utils/makeToken"); const Promise = require("../../utils/Promise"); const parseURL = require("../../utils/parseURL");   function sendCommand(client, command, args) { args = args || [];   return new Promise(function (resolve, reject) { client.send_command(command, args, function (error, value) { if (error) { reject(error); } else { resolve(value); } }); }); }   function makeUniqueKey(client, keyLength) { const key = makeToken(keyLength);   // Try to set an empty string to reserve the key. return sendCommand(client, "setnx", [key, ""]).then(function (result) { if (result === 1) { return key; // The key was available. }   return makeUniqueKey(client, keyLength); // Try again. }); }   /** * Server-side storage for sessions using Redis. * * Options may be any of the following: * * - url The URL of the Redis instance * - keyLength The length (in bytes) that will be used for unique * cache keys. Defaults to 32 * - expireAfter The number of seconds after which sessions expire. * Defaults to 0 (no expiration) * * Additionally, all options are passed through to `redis.createClient`. * * Example: * * let RedisStore = require('mach/middleware/session/RedisStore'); * * app.use(mach.session, { * store: new RedisStore({ url: 'redis://127.0.0.1:6379' }) * }); * * Note: This store always checks for availability of keys in Redis before * using them, so it should be safe to use alongside other programs that are * using the same database. However, if you purge the store of all keys it will * issue a FLUSHDB command to the database, so be careful. This operation never * happens automatically. */ function RedisStore(options) { options = options || {};   this.options = options; this.keyLength = options.keyLength || 32; this.ttl = options.expireAfter ? 1000 * options.expireAfter // expireAfter is given in seconds : 0; }   Object.defineProperties(RedisStore.prototype, {   getClient: d(function () { if (!this._client) { const options = this.options;   let hostname, port; if (typeof options.url === "string") { const parsedURL = parseURL(options.url); hostname = parsedURL.hostname; port = parsedURL.port; }   this._client = redis.createClient(port, hostname, options); }   return this._client; }),   load: d(function (value) { return sendCommand(this.getClient(), "get", [value]).then(function (json) { return json ? JSON.parse(json) : {}; }); }),   save: d(function (session) { const client = this.getClient(); const keyLength = this.keyLength; const ttl = this.ttl;   return Promise.resolve(session._id || makeUniqueKey(client, keyLength)).then(function (key) { session._id = key;   const json = JSON.stringify(session);   let promise; if (ttl) { promise = sendCommand(client, "psetex", [key, ttl, json]); } else { promise = sendCommand(client, "set", [key, json]); }   return promise.then(function () { return key; }); }); }),   purge: d(function (key) { if (key) { return sendCommand(this.getClient(), "del", [key]); }   return sendCommand(this.getClient(), "flushdb"); }),   destroy: d(function () { return sendCommand(this.getClient(), "quit"); })   });   module.exports = RedisStore;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Wed Jul 06 2016 20:37:18 GMT-0500 (CDT) </div> </div> <script src="../../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../../sorter.js"></script> </body> </html>