node/test/parallel/test-fs-write-buffer.js
Rich Trott 7c79490bfb test: only refresh tmpDir for tests that need it
Expose `common.refreshTmpDir()` and only call it
for tests that use common.tmpDir or common.PIPE.

A positive side effect is the removal of a code
smell where child processes were detected by the
presence of `.send()`. Now each process can decide
for itself if it needs to refresh tmpDir.

PR-URL: https://github.com/nodejs/io.js/pull/1954
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
2015-06-13 22:27:17 -07:00

37 lines
847 B
JavaScript

'use strict';
var common = require('../common');
var assert = require('assert');
var path = require('path'),
Buffer = require('buffer').Buffer,
fs = require('fs'),
filename = path.join(common.tmpDir, 'write.txt'),
expected = new Buffer('hello'),
openCalled = 0,
writeCalled = 0;
common.refreshTmpDir();
fs.open(filename, 'w', 0o644, function(err, fd) {
openCalled++;
if (err) throw err;
fs.write(fd, expected, 0, expected.length, null, function(err, written) {
writeCalled++;
if (err) throw err;
assert.equal(expected.length, written);
fs.closeSync(fd);
var found = fs.readFileSync(filename, 'utf8');
assert.deepEqual(expected.toString(), found);
fs.unlinkSync(filename);
});
});
process.on('exit', function() {
assert.equal(1, openCalled);
assert.equal(1, writeCalled);
});