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nodejs/test/parallel/test-fs-readfile-pipe.js
isaacs 3e1b1dd4a9 Remove excessive copyright/license boilerplate
The copyright and license notice is already in the LICENSE file.  There
is no justifiable reason to also require that it be included in every
file, since the individual files are not individually distributed except
as part of the entire package.
2015-01-12 15:30:28 -08:00

35 lines
972 B
JavaScript

var common = require('../common');
var assert = require('assert');
// simulate `cat readfile.js | node readfile.js`
// TODO: Have some way to make this work on windows.
if (process.platform === 'win32') {
console.error('No /dev/stdin on windows. Skipping test.');
process.exit();
}
var fs = require('fs');
var dataExpected = fs.readFileSync(__filename, 'utf8');
if (process.argv[2] === 'child') {
fs.readFile('/dev/stdin', function(er, data) {
if (er) throw er;
process.stdout.write(data);
});
return;
}
var exec = require('child_process').exec;
var f = JSON.stringify(__filename);
var node = JSON.stringify(process.execPath);
var cmd = 'cat ' + f + ' | ' + node + ' ' + f + ' child';
exec(cmd, function(err, stdout, stderr) {
if (err) console.error(err);
assert(!err, 'it exits normally');
assert(stdout === dataExpected, 'it reads the file and outputs it');
assert(stderr === '', 'it does not write to stderr');
console.log('ok');
});