From ea74b1a4bccc4a1db823ac8310ae028a4887d320 Mon Sep 17 00:00:00 2001
From: atvoicu <atvoicu@users.noreply.github.com>
Date: Thu, 21 Sep 2017 11:13:37 -0700
Subject: [PATCH] test: update test-fs-fsync to run from temp

We copy the "a.js" file fixture to a temp directory and then we open
it with write access. This makes sure we are only writing to the
provided temp-dir and not in the fixture dir.

PR-URL: https://github.com/nodejs/node/pull/15537
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
---
 test/parallel/test-fs-fsync.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/test/parallel/test-fs-fsync.js b/test/parallel/test-fs-fsync.js
index 006ec3fcc0..3f43dd7545 100644
--- a/test/parallel/test-fs-fsync.js
+++ b/test/parallel/test-fs-fsync.js
@@ -25,10 +25,16 @@ const assert = require('assert');
 const fixtures = require('../common/fixtures');
 
 const fs = require('fs');
+const path = require('path');
 
-const file = fixtures.path('a.js');
+const fileFixture = fixtures.path('a.js');
+const fileTemp = path.join(common.tmpDir, 'a.js');
 
-fs.open(file, 'a', 0o777, common.mustCall(function(err, fd) {
+// Copy fixtures to temp.
+common.refreshTmpDir();
+fs.copyFileSync(fileFixture, fileTemp);
+
+fs.open(fileFixture, 'a', 0o777, common.mustCall(function(err, fd) {
   assert.ifError(err);
 
   fs.fdatasyncSync(fd);