test: fix flaky parallel/test-fs-write-file-typedarrays

Using the same filename for different async tests could lead to race conditions. Example failure: https://travis-ci.com/nodejs/node/jobs/143351655 Refs: #22150 PR-URL: #22659 Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Rich Trott <[email protected]>
nodejs · Sep 3, 2018 · cb15017 · cb15017
1 parent 71502f2
commit cb15017
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/test/parallel/test-fs-write-file-typedarrays.js b/test/parallel/test-fs-write-file-typedarrays.js
@@ -32,10 +32,11 @@ for (const expectView of common.getArrayBufferViews(inputBuffer)) {
 
 for (const expectView of common.getArrayBufferViews(inputBuffer)) {
   console.log('Async test for ', expectView[Symbol.toStringTag]);
-  fs.writeFile(filename, expectView, common.mustCall((e) => {
+  const file = `${filename}-${expectView[Symbol.toStringTag]}`;
+  fs.writeFile(file, expectView, common.mustCall((e) => {
     assert.ifError(e);
 
-    fs.readFile(filename, 'utf8', common.mustCall((err, data) => {
+    fs.readFile(file, 'utf8', common.mustCall((err, data) => {
       assert.ifError(err);
       assert.strictEqual(data, inputBuffer.toString('utf8'));
     }));