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![Asher Gomez](/assets/img/avatar_default.png)
This PR: 1. Replaces `@test_util/std`-prefixed imports with `@std`. 2. Adds `@std/` import map entries to a few `deno.json` files.
52 lines
1.5 KiB
TypeScript
52 lines
1.5 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { write, writeSync } from "node:fs";
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import { assertEquals } from "@std/assert/mod.ts";
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import { Buffer } from "node:buffer";
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const decoder = new TextDecoder("utf-8");
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Deno.test({
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name: "Data is written to the file with the correct length",
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async fn() {
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const tempFile: string = await Deno.makeTempFile();
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using file = await Deno.open(tempFile, {
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create: true,
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write: true,
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read: true,
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});
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const buffer = Buffer.from("hello world");
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const bytesWrite = await new Promise((resolve, reject) => {
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write(file.rid, buffer, 0, 5, (err: unknown, nwritten: number) => {
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if (err) return reject(err);
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resolve(nwritten);
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});
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});
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const data = await Deno.readFile(tempFile);
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await Deno.remove(tempFile);
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assertEquals(bytesWrite, 5);
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assertEquals(decoder.decode(data), "hello");
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},
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});
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Deno.test({
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name: "Data is written synchronously to the file with the correct length",
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fn() {
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const tempFile: string = Deno.makeTempFileSync();
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using file = Deno.openSync(tempFile, {
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create: true,
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write: true,
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read: true,
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});
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const buffer = Buffer.from("hello world");
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const bytesWrite = writeSync(file.rid, buffer, 0, 5);
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const data = Deno.readFileSync(tempFile);
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Deno.removeSync(tempFile);
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assertEquals(bytesWrite, 5);
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assertEquals(decoder.decode(data), "hello");
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},
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});
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