// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license. import { assertEquals, fail } from "@std/assert"; import { fsync, fsyncSync } from "node:fs"; Deno.test({ name: "ASYNC: flush any pending data of the given file stream to disk", // TODO(bartlomieju): this test is broken in Deno 2, because `file.rid` is undefined. // The fs APIs should be rewritten to use actual FDs, not RIDs ignore: true, async fn() { const filePath = await Deno.makeTempFile(); using file = await Deno.open(filePath, { read: true, write: true, create: true, }); const size = 64; await file.truncate(size); await new Promise<void>((resolve, reject) => { // @ts-ignore (iuioiua) `file.rid` should no longer be needed once FDs are used fsync(file.rid, (err: Error | null) => { if (err !== null) reject(); else resolve(); }); }) .then( async () => { assertEquals((await Deno.stat(filePath)).size, size); }, () => { fail("No error expected"); }, ) .finally(async () => { await Deno.remove(filePath); }); }, }); Deno.test({ name: "SYNC: flush any pending data the given file stream to disk", // TODO(bartlomieju): this test is broken in Deno 2, because `file.rid` is undefined. // The fs APIs should be rewritten to use actual FDs, not RIDs ignore: true, fn() { const filePath = Deno.makeTempFileSync(); using file = Deno.openSync(filePath, { read: true, write: true, create: true, }); const size = 64; file.truncateSync(size); try { // @ts-ignore (iuioiua) `file.rid` should no longer be needed once FDs are used fsyncSync(file.rid); assertEquals(Deno.statSync(filePath).size, size); } finally { Deno.removeSync(filePath); } }, });