/
batchTests.js
48 lines (40 loc) · 1.15 KB
/
batchTests.js
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#!/usr/bin/env node
var glob = require('glob');
var spawn = require('child_process').spawn;
var files = require('minimist')(process.argv.slice(2))._[0];
function throttlePromise (myArray, iterator, limit) {
var pickUpNextTask = function () {
if (myArray.length) {
return iterator(myArray.shift());
}
};
function startChain () {
return Promise.resolve().then(function next () {
return pickUpNextTask().then(next);
});
}
var chains = [];
for (var k = 0; k < limit; k += 1) {
chains.push(startChain());
}
return Promise.all(chains);
};
function spawnAva (file) {
return new Promise(function (resolve, reject) {
var ps = spawn(process.execPath, ['node_modules/.bin/ava', file]);
ps.stdout.pipe(process.stdout);
ps.stderr.pipe(process.stderr);
ps.on('close', function (code) {
if (code === 0) {
return resolve(code);
}
return reject(code);
});
});
}
glob(files, function (err, tests) {
if (err) {
throw err;
}
return throttlePromise(tests, spawnAva, 2);
});