create a fake async file I/O method (fs.readFile); use it in a test as a proof of concept

This commit is contained in:
Jeff Williams 2012-10-23 22:06:33 -07:00
parent ca988054ea
commit 993d0fe49c
11 changed files with 831 additions and 33 deletions

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@ -17,6 +17,7 @@
}
],
"dependencies": {
"async": "0.1.22",
"github-flavored-markdown": "git://github.com/hegemonic/github-flavored-markdown.git",
"js2xmlparser": "0.1.0",
"jshint": "0.9.1",

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@ -56,6 +56,16 @@ license, which is reproduced below:
> SOFTWARE.
## Async.js ##
Async.js is distributed under the MIT license, which is reproduced above.
Copyright (c) 2010 Caolan McMahon.
The source code for Async.js is available at:
https://github.com/caolan/async
## github-flavored-markdown ##
github-flavored-markdown is distributed under the BSD 3-clause license:

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node_modules/async/LICENSE generated vendored Normal file
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@ -0,0 +1,19 @@
Copyright (c) 2010 Caolan McMahon
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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node_modules/async/index.js generated vendored Normal file
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@ -0,0 +1,3 @@
// This file is just added for convenience so this repository can be
// directly checked out into a project's deps folder
module.exports = require('./lib/async');

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node_modules/async/lib/async.js generated vendored Normal file
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@ -0,0 +1,692 @@
/*global setTimeout: false, console: false */
(function () {
var async = {};
// global on the server, window in the browser
var root = this,
previous_async = root.async;
if (typeof module !== 'undefined' && module.exports) {
module.exports = async;
}
else {
root.async = async;
}
async.noConflict = function () {
root.async = previous_async;
return async;
};
//// cross-browser compatiblity functions ////
var _forEach = function (arr, iterator) {
if (arr.forEach) {
return arr.forEach(iterator);
}
for (var i = 0; i < arr.length; i += 1) {
iterator(arr[i], i, arr);
}
};
var _map = function (arr, iterator) {
if (arr.map) {
return arr.map(iterator);
}
var results = [];
_forEach(arr, function (x, i, a) {
results.push(iterator(x, i, a));
});
return results;
};
var _reduce = function (arr, iterator, memo) {
if (arr.reduce) {
return arr.reduce(iterator, memo);
}
_forEach(arr, function (x, i, a) {
memo = iterator(memo, x, i, a);
});
return memo;
};
var _keys = function (obj) {
if (Object.keys) {
return Object.keys(obj);
}
var keys = [];
for (var k in obj) {
if (obj.hasOwnProperty(k)) {
keys.push(k);
}
}
return keys;
};
//// exported async module functions ////
//// nextTick implementation with browser-compatible fallback ////
if (typeof process === 'undefined' || !(process.nextTick)) {
async.nextTick = function (fn) {
setTimeout(fn, 0);
};
}
else {
async.nextTick = process.nextTick;
}
async.forEach = function (arr, iterator, callback) {
callback = callback || function () {};
if (!arr.length) {
return callback();
}
var completed = 0;
_forEach(arr, function (x) {
iterator(x, function (err) {
if (err) {
callback(err);
callback = function () {};
}
else {
completed += 1;
if (completed === arr.length) {
callback(null);
}
}
});
});
};
async.forEachSeries = function (arr, iterator, callback) {
callback = callback || function () {};
if (!arr.length) {
return callback();
}
var completed = 0;
var iterate = function () {
iterator(arr[completed], function (err) {
if (err) {
callback(err);
callback = function () {};
}
else {
completed += 1;
if (completed === arr.length) {
callback(null);
}
else {
iterate();
}
}
});
};
iterate();
};
async.forEachLimit = function (arr, limit, iterator, callback) {
callback = callback || function () {};
if (!arr.length || limit <= 0) {
return callback();
}
var completed = 0;
var started = 0;
var running = 0;
(function replenish () {
if (completed === arr.length) {
return callback();
}
while (running < limit && started < arr.length) {
started += 1;
running += 1;
iterator(arr[started - 1], function (err) {
if (err) {
callback(err);
callback = function () {};
}
else {
completed += 1;
running -= 1;
if (completed === arr.length) {
callback();
}
else {
replenish();
}
}
});
}
})();
};
var doParallel = function (fn) {
return function () {
var args = Array.prototype.slice.call(arguments);
return fn.apply(null, [async.forEach].concat(args));
};
};
var doSeries = function (fn) {
return function () {
var args = Array.prototype.slice.call(arguments);
return fn.apply(null, [async.forEachSeries].concat(args));
};
};
var _asyncMap = function (eachfn, arr, iterator, callback) {
var results = [];
arr = _map(arr, function (x, i) {
return {index: i, value: x};
});
eachfn(arr, function (x, callback) {
iterator(x.value, function (err, v) {
results[x.index] = v;
callback(err);
});
}, function (err) {
callback(err, results);
});
};
async.map = doParallel(_asyncMap);
async.mapSeries = doSeries(_asyncMap);
// reduce only has a series version, as doing reduce in parallel won't
// work in many situations.
async.reduce = function (arr, memo, iterator, callback) {
async.forEachSeries(arr, function (x, callback) {
iterator(memo, x, function (err, v) {
memo = v;
callback(err);
});
}, function (err) {
callback(err, memo);
});
};
// inject alias
async.inject = async.reduce;
// foldl alias
async.foldl = async.reduce;
async.reduceRight = function (arr, memo, iterator, callback) {
var reversed = _map(arr, function (x) {
return x;
}).reverse();
async.reduce(reversed, memo, iterator, callback);
};
// foldr alias
async.foldr = async.reduceRight;
var _filter = function (eachfn, arr, iterator, callback) {
var results = [];
arr = _map(arr, function (x, i) {
return {index: i, value: x};
});
eachfn(arr, function (x, callback) {
iterator(x.value, function (v) {
if (v) {
results.push(x);
}
callback();
});
}, function (err) {
callback(_map(results.sort(function (a, b) {
return a.index - b.index;
}), function (x) {
return x.value;
}));
});
};
async.filter = doParallel(_filter);
async.filterSeries = doSeries(_filter);
// select alias
async.select = async.filter;
async.selectSeries = async.filterSeries;
var _reject = function (eachfn, arr, iterator, callback) {
var results = [];
arr = _map(arr, function (x, i) {
return {index: i, value: x};
});
eachfn(arr, function (x, callback) {
iterator(x.value, function (v) {
if (!v) {
results.push(x);
}
callback();
});
}, function (err) {
callback(_map(results.sort(function (a, b) {
return a.index - b.index;
}), function (x) {
return x.value;
}));
});
};
async.reject = doParallel(_reject);
async.rejectSeries = doSeries(_reject);
var _detect = function (eachfn, arr, iterator, main_callback) {
eachfn(arr, function (x, callback) {
iterator(x, function (result) {
if (result) {
main_callback(x);
main_callback = function () {};
}
else {
callback();
}
});
}, function (err) {
main_callback();
});
};
async.detect = doParallel(_detect);
async.detectSeries = doSeries(_detect);
async.some = function (arr, iterator, main_callback) {
async.forEach(arr, function (x, callback) {
iterator(x, function (v) {
if (v) {
main_callback(true);
main_callback = function () {};
}
callback();
});
}, function (err) {
main_callback(false);
});
};
// any alias
async.any = async.some;
async.every = function (arr, iterator, main_callback) {
async.forEach(arr, function (x, callback) {
iterator(x, function (v) {
if (!v) {
main_callback(false);
main_callback = function () {};
}
callback();
});
}, function (err) {
main_callback(true);
});
};
// all alias
async.all = async.every;
async.sortBy = function (arr, iterator, callback) {
async.map(arr, function (x, callback) {
iterator(x, function (err, criteria) {
if (err) {
callback(err);
}
else {
callback(null, {value: x, criteria: criteria});
}
});
}, function (err, results) {
if (err) {
return callback(err);
}
else {
var fn = function (left, right) {
var a = left.criteria, b = right.criteria;
return a < b ? -1 : a > b ? 1 : 0;
};
callback(null, _map(results.sort(fn), function (x) {
return x.value;
}));
}
});
};
async.auto = function (tasks, callback) {
callback = callback || function () {};
var keys = _keys(tasks);
if (!keys.length) {
return callback(null);
}
var results = {};
var listeners = [];
var addListener = function (fn) {
listeners.unshift(fn);
};
var removeListener = function (fn) {
for (var i = 0; i < listeners.length; i += 1) {
if (listeners[i] === fn) {
listeners.splice(i, 1);
return;
}
}
};
var taskComplete = function () {
_forEach(listeners.slice(0), function (fn) {
fn();
});
};
addListener(function () {
if (_keys(results).length === keys.length) {
callback(null, results);
callback = function () {};
}
});
_forEach(keys, function (k) {
var task = (tasks[k] instanceof Function) ? [tasks[k]]: tasks[k];
var taskCallback = function (err) {
if (err) {
callback(err);
// stop subsequent errors hitting callback multiple times
callback = function () {};
}
else {
var args = Array.prototype.slice.call(arguments, 1);
if (args.length <= 1) {
args = args[0];
}
results[k] = args;
taskComplete();
}
};
var requires = task.slice(0, Math.abs(task.length - 1)) || [];
var ready = function () {
return _reduce(requires, function (a, x) {
return (a && results.hasOwnProperty(x));
}, true) && !results.hasOwnProperty(k);
};
if (ready()) {
task[task.length - 1](taskCallback, results);
}
else {
var listener = function () {
if (ready()) {
removeListener(listener);
task[task.length - 1](taskCallback, results);
}
};
addListener(listener);
}
});
};
async.waterfall = function (tasks, callback) {
callback = callback || function () {};
if (!tasks.length) {
return callback();
}
var wrapIterator = function (iterator) {
return function (err) {
if (err) {
callback(err);
callback = function () {};
}
else {
var args = Array.prototype.slice.call(arguments, 1);
var next = iterator.next();
if (next) {
args.push(wrapIterator(next));
}
else {
args.push(callback);
}
async.nextTick(function () {
iterator.apply(null, args);
});
}
};
};
wrapIterator(async.iterator(tasks))();
};
async.parallel = function (tasks, callback) {
callback = callback || function () {};
if (tasks.constructor === Array) {
async.map(tasks, function (fn, callback) {
if (fn) {
fn(function (err) {
var args = Array.prototype.slice.call(arguments, 1);
if (args.length <= 1) {
args = args[0];
}
callback.call(null, err, args);
});
}
}, callback);
}
else {
var results = {};
async.forEach(_keys(tasks), function (k, callback) {
tasks[k](function (err) {
var args = Array.prototype.slice.call(arguments, 1);
if (args.length <= 1) {
args = args[0];
}
results[k] = args;
callback(err);
});
}, function (err) {
callback(err, results);
});
}
};
async.series = function (tasks, callback) {
callback = callback || function () {};
if (tasks.constructor === Array) {
async.mapSeries(tasks, function (fn, callback) {
if (fn) {
fn(function (err) {
var args = Array.prototype.slice.call(arguments, 1);
if (args.length <= 1) {
args = args[0];
}
callback.call(null, err, args);
});
}
}, callback);
}
else {
var results = {};
async.forEachSeries(_keys(tasks), function (k, callback) {
tasks[k](function (err) {
var args = Array.prototype.slice.call(arguments, 1);
if (args.length <= 1) {
args = args[0];
}
results[k] = args;
callback(err);
});
}, function (err) {
callback(err, results);
});
}
};
async.iterator = function (tasks) {
var makeCallback = function (index) {
var fn = function () {
if (tasks.length) {
tasks[index].apply(null, arguments);
}
return fn.next();
};
fn.next = function () {
return (index < tasks.length - 1) ? makeCallback(index + 1): null;
};
return fn;
};
return makeCallback(0);
};
async.apply = function (fn) {
var args = Array.prototype.slice.call(arguments, 1);
return function () {
return fn.apply(
null, args.concat(Array.prototype.slice.call(arguments))
);
};
};
var _concat = function (eachfn, arr, fn, callback) {
var r = [];
eachfn(arr, function (x, cb) {
fn(x, function (err, y) {
r = r.concat(y || []);
cb(err);
});
}, function (err) {
callback(err, r);
});
};
async.concat = doParallel(_concat);
async.concatSeries = doSeries(_concat);
async.whilst = function (test, iterator, callback) {
if (test()) {
iterator(function (err) {
if (err) {
return callback(err);
}
async.whilst(test, iterator, callback);
});
}
else {
callback();
}
};
async.until = function (test, iterator, callback) {
if (!test()) {
iterator(function (err) {
if (err) {
return callback(err);
}
async.until(test, iterator, callback);
});
}
else {
callback();
}
};
async.queue = function (worker, concurrency) {
var workers = 0;
var q = {
tasks: [],
concurrency: concurrency,
saturated: null,
empty: null,
drain: null,
push: function (data, callback) {
if(data.constructor !== Array) {
data = [data];
}
_forEach(data, function(task) {
q.tasks.push({
data: task,
callback: typeof callback === 'function' ? callback : null
});
if (q.saturated && q.tasks.length == concurrency) {
q.saturated();
}
async.nextTick(q.process);
});
},
process: function () {
if (workers < q.concurrency && q.tasks.length) {
var task = q.tasks.shift();
if(q.empty && q.tasks.length == 0) q.empty();
workers += 1;
worker(task.data, function () {
workers -= 1;
if (task.callback) {
task.callback.apply(task, arguments);
}
if(q.drain && q.tasks.length + workers == 0) q.drain();
q.process();
});
}
},
length: function () {
return q.tasks.length;
},
running: function () {
return workers;
}
};
return q;
};
var _console_fn = function (name) {
return function (fn) {
var args = Array.prototype.slice.call(arguments, 1);
fn.apply(null, args.concat([function (err) {
var args = Array.prototype.slice.call(arguments, 1);
if (typeof console !== 'undefined') {
if (err) {
if (console.error) {
console.error(err);
}
}
else if (console[name]) {
_forEach(args, function (x) {
console[name](x);
});
}
}
}]));
};
};
async.log = _console_fn('log');
async.dir = _console_fn('dir');
/*async.info = _console_fn('info');
async.warn = _console_fn('warn');
async.error = _console_fn('error');*/
async.memoize = function (fn, hasher) {
var memo = {};
var queues = {};
hasher = hasher || function (x) {
return x;
};
var memoized = function () {
var args = Array.prototype.slice.call(arguments);
var callback = args.pop();
var key = hasher.apply(null, args);
if (key in memo) {
callback.apply(null, memo[key]);
}
else if (key in queues) {
queues[key].push(callback);
}
else {
queues[key] = [callback];
fn.apply(null, args.concat([function () {
memo[key] = arguments;
var q = queues[key];
delete queues[key];
for (var i = 0, l = q.length; i < l; i++) {
q[i].apply(null, arguments);
}
}]));
}
};
memoized.unmemoized = fn;
return memoized;
};
async.unmemoize = function (fn) {
return function () {
return (fn.unmemoized || fn).apply(null, arguments);
};
};
}());

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{
"name": "jsdoc",
"version": "3.0.0",
"revision": "1350490151758",
"revision": "1351054863206",
"description": "An automatic documentation generator for javascript.",
"keywords": [ "documentation", "javascript" ],
"licenses": [
@ -17,6 +17,7 @@
}
],
"dependencies": {
"async": "0.1.22",
"github-flavored-markdown": "git://github.com/hegemonic/github-flavored-markdown.git",
"js2xmlparser": "0.1.0",
"jshint": "0.9.1",

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@ -1,12 +1,39 @@
/*global Packages: true */
var path = require('path');
// TODO: Should fail if encoding isn't passed in; Node.js thinks this means you want a buffer
// TODO: callers shouldn't use 'utf-8'--the method should map 'utf8' to 'utf-8'
exports.readFileSync = function(filename, encoding) {
encoding = encoding || 'utf-8';
return readFile(filename, encoding);
};
exports.readFile = function(filename, encoding, callback) {
if (!encoding || typeof encoding === 'function') {
process.nextTick(function() {
callback('fs.readFile requires an encoding on Rhino!');
});
}
// Node.js wants 'utf8', but Java wants 'utf-8'
if (encoding === 'utf8') {
encoding = 'utf-8';
}
try {
var data = exports.readFileSync(filename, encoding);
process.nextTick(function() {
callback(null, data);
});
}
catch(e) {
process.nextTick(function() {
callback(e);
});
}
};
// in node 0.8, path.exists() and path.existsSync() moved to the "fs" module
exports.existsSync = path.existsSync;

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foo();
function foo() {}

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var foo = 0;

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/*global app: true, describe: true, env: true, expect: true, it: true */
var fs = require("fs"),
path = require("path");
/*global app: true, beforeEach: true, describe: true, env: true, expect: true, it: true */
var async = require('async'),
fs = require('fs'),
path = require('path');
var config = JSON.parse( fs.readFileSync( path.join(env.dirname, ".jshintrc"), "utf-8" ) );
var config = JSON.parse( fs.readFileSync( path.join(env.dirname, '.jshintrc'), 'utf-8' ) );
function jsHintCheck(filename, source, conf) {
var JSHINT = require("jshint").JSHINT;
source = source || fs.readFileSync(filename, "utf-8");
conf = conf || config;
JSHINT(source, conf);
if (JSHINT.errors.length) {
throw new Error( filename + " is not JSHint clean: " + JSON.stringify(JSHINT.errors) );
}
var jshintErrors;
function jsHintCheck(filename, callback) {
var JSHINT = require('jshint').JSHINT;
fs.readFile(filename, 'utf8', function(err, data) {
if (err) {
callback(err);
} else {
JSHINT(data, config);
if (JSHINT.errors.length) {
jshintErrors += filename + ' is not JSHint clean: ' + JSON.stringify(JSHINT.errors);
}
callback();
}
});
}
describe("jshint-clean", function() {
it("should generate JSHint errors for bad code", function() {
var check = function() {
jsHintCheck("dummyFile.js", "hasOwnProperty = 0");
};
expect(check).toThrow();
describe('jshint-clean', function() {
beforeEach(function() {
jshintErrors = undefined;
});
it('should generate JSHint errors for bad code', function(done) {
var file = path.join(env.dirname, 'test', 'fixtures', 'jshint', 'badfile.js');
jsHintCheck(file, function(err) {
expect(err).toBeUndefined();
expect(jshintErrors).toBeDefined();
done();
});
});
it("should not generate JSHint errors for good code", function() {
var check = function() {
jsHintCheck("dummyFile.js", "var foo = 0;");
};
expect(check).not.toThrow();
it('should not generate JSHint errors for good code', function(done) {
var file = path.join(env.dirname, 'test', 'fixtures', 'jshint', 'goodfile.js');
jsHintCheck(file, function(err) {
expect(err).toBeUndefined();
expect(jshintErrors).toBeUndefined();
done();
});
});
it("should not find JSHint errors in JSDoc", function() {
it('should not find JSHint errors in JSDoc', function(done) {
var check,
files,
filter,
@ -48,12 +65,6 @@ describe("jshint-clean", function() {
files = app.jsdoc.scanner.scan([env.dirname], 10, filter);
check = function() {
jsHintCheck(files[i]);
};
for (i = 0, l = files.length; i < l; i++) {
expect(check).not.toThrow();
}
async.forEach(files, jsHintCheck, done);
});
});