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116 lines
3.4 KiB
116 lines
3.4 KiB
var fs = require('fs');
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var util = require('util');
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var assert = require('assert');
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var support = {
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random: {
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string: function(str_len) {
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str_len = str_len || 8;
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var chars = "abcdefghiklmnopqrstuvwxyz";
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var random_str = '';
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for (var i = 0; i < str_len; i++) {
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var rnum = Math.floor(Math.random() * chars.length);
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random_str += chars.substring(rnum, rnum + 1);
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}
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return random_str;
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},
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number: function(max) {
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max = max || 1000;
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return Math.floor((Math.random() * max));
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}
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},
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check_err: function(err) {
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if (err) {
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var msg;
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if (err instanceof Error) {
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msg = err;
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} else if (err.msg) {
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msg = err.msg;
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} else {
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msg = util.inspect(err);
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}
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var error = new Error(msg);
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throw error;
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}
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},
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assert_between: function(actual, lower, upper) {
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assert.ok(actual >= lower, "Expected " + actual + " to be >= " + lower);
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assert.ok(actual <= upper, "Expected " + actual + " to be <= " + upper);
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},
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assert_within: function(actual, expected, delta) {
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var lower = expected - delta;
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var upper = expected + delta;
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this.assert_between(actual, lower, upper);
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},
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walk_dir: function(dir, validation_function, cb) {
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if (arguments.length === 2) {
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cb = validation_function;
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validation_function = null;
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}
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var results = [];
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fs.readdir(dir, function(err, list) {
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if (err) { return cb(err); }
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var pending = list.length;
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if (!pending) { return cb(null, results); }
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list.forEach(function(file) {
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file = dir + '/' + file;
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fs.stat(file, function(err, stat) {
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if (stat && stat.isDirectory()) {
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support.walk_dir(file, validation_function, function(err, res) {
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results = results.concat(res);
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if (!--pending) { cb(null, results); }
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});
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} else {
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if (typeof validation_function === 'function') {
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if (validation_function(file)) {
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results.push(file);
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}
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} else {
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results.push(file);
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}
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if (!--pending) { cb(null, results); }
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}
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});
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});
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});
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},
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test_set_get_del: function(cache, cb) {
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var key = 'TEST' + support.random.string();
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var val = support.random.string();
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var ttl;
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cache.set(key, val, ttl, function(err) {
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if (err) { return cb(err); }
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cache.get(key, function(err, result) {
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if (err) { return cb(err); }
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assert.equal(result, val);
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cache.del(key, function(err) {
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if (err) { return cb(err); }
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cache.get(key, function(err, result) {
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if (err) { return cb(err); }
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assert.ok(!result);
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cb();
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});
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});
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});
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});
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}
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};
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module.exports = support;
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