Refactoring Android project-level and platform scripts to use Q.js

This eliminates the use of shelljs.exec's sync mode, which is the source
of the filehandle leaks that can cause EMFILE on OSX, and are
CPU-intensive everywhere.

Tested locally, needs poking before it gets released.
This commit is contained in:
Braden Shepherdson
2013-09-27 11:48:55 -04:00
parent 1f49f29183
commit b57317bdc2
31 changed files with 3604 additions and 463 deletions
+71
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"use strict";
var Q = require("../q");
var fs = require("fs");
suite("A single simple async operation", function () {
bench("with an immediately-fulfilled promise", function (done) {
Q().then(done);
});
bench("with direct setImmediate usage", function (done) {
setImmediate(done);
});
bench("with direct setTimeout(…, 0)", function (done) {
setTimeout(done, 0);
});
});
suite("A fs.readFile", function () {
var denodeified = Q.denodeify(fs.readFile);
set("iterations", 1000);
set("delay", 1000);
bench("directly, with callbacks", function (done) {
fs.readFile(__filename, done);
});
bench("with Q.nfcall", function (done) {
Q.nfcall(fs.readFile, __filename).then(done);
});
bench("with a Q.denodeify'ed version", function (done) {
denodeified(__filename).then(done);
});
bench("with manual usage of deferred.makeNodeResolver", function (done) {
var deferred = Q.defer();
fs.readFile(__filename, deferred.makeNodeResolver());
deferred.promise.then(done);
});
});
suite("1000 operations in parallel", function () {
function makeCounter(desiredCount, ultimateCallback) {
var soFar = 0;
return function () {
if (++soFar === desiredCount) {
ultimateCallback();
}
};
}
var numberOfOps = 1000;
bench("with immediately-fulfilled promises", function (done) {
var counter = makeCounter(numberOfOps, done);
for (var i = 0; i < numberOfOps; ++i) {
Q().then(counter);
}
});
bench("with direct setImmediate usage", function (done) {
var counter = makeCounter(numberOfOps, done);
for (var i = 0; i < numberOfOps; ++i) {
setImmediate(counter);
}
});
});
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"use strict";
var Q = require("../q");
suite("Chaining", function () {
var numberToChain = 1000;
bench("Chaining many already-fulfilled promises together", function (done) {
var currentPromise = Q();
for (var i = 0; i < numberToChain; ++i) {
currentPromise = currentPromise.then(function () {
return Q();
});
}
currentPromise.then(done);
});
bench("Chaining and then fulfilling the end of the chain", function (done) {
var deferred = Q.defer();
var currentPromise = deferred.promise;
for (var i = 0; i < numberToChain; ++i) {
(function () {
var promiseToReturn = currentPromise;
currentPromise = Q().then(function () {
return promiseToReturn;
});
}());
}
currentPromise.then(done);
deferred.resolve();
});
});