Current File : //lib/node_modules/pm2/node_modules/lazy/test/pipe.js
var assert = require('assert');
var Lazy = require('..');
var EventEmitter = require('events').EventEmitter;
function range(i, j) {
var r = [];
for (;i<j;i++) r.push(i);
return r;
}
exports.pipe = function () {
var em = new EventEmitter;
var i = 0;
var iv = setInterval(function () {
em.emit('data', i++);
}, 10);
var caught = { pipe : 0, end : 0 };
em.on('pipe', function () {
caught.pipe ++;
setTimeout(em.emit.bind(em, 'end'), 50);
});
em.on('end', function () { caught.end ++ });
var joined = 0;
Lazy(em).take(10).join(function (xs) {
assert.deepEqual(xs, range(0, 10));
clearInterval(iv);
joined ++;
});
setTimeout(function () {
assert.equal(joined, 1);
assert.equal(caught.pipe, 1);
assert.equal(caught.end, 1);
}, 1000);
}
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