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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import * as path from "@std/path";
import { assert, assertEquals, fail } from "@std/assert";
import { assertCallbackErrorUncaught } from "../_test_utils.ts";
import { link, linkSync } from "node:fs";
Deno.test({
name: "ASYNC: hard linking files works as expected",
async fn() {
const tempFile: string = await Deno.makeTempFile();
const linkedFile: string = tempFile + ".link";
await new Promise<void>((res, rej) => {
link(tempFile, linkedFile, (err) => {
if (err) rej(err);
else res();
});
})
.then(() => {
assertEquals(Deno.statSync(tempFile), Deno.statSync(linkedFile));
}, () => {
fail("Expected to succeed");
})
.finally(() => {
Deno.removeSync(tempFile);
Deno.removeSync(linkedFile);
});
},
});
Deno.test({
name: "ASYNC: hard linking files passes error to callback",
async fn() {
let failed = false;
await new Promise<void>((res, rej) => {
link("no-such-file", "no-such-file", (err) => {
if (err) rej(err);
else res();
});
})
.then(() => {
fail("Expected to succeed");
}, (err) => {
assert(err);
failed = true;
});
assert(failed);
},
});
Deno.test({
name: "SYNC: hard linking files works as expected",
fn() {
const tempFile: string = Deno.makeTempFileSync();
const linkedFile: string = tempFile + ".link";
linkSync(tempFile, linkedFile);
assertEquals(Deno.statSync(tempFile), Deno.statSync(linkedFile));
Deno.removeSync(tempFile);
Deno.removeSync(linkedFile);
},
});
Deno.test("[std/node/fs] link callback isn't called twice if error is thrown", async () => {
const tempDir = await Deno.makeTempDir();
const tempFile = path.join(tempDir, "file.txt");
const linkFile = path.join(tempDir, "link.txt");
await Deno.writeTextFile(tempFile, "hello world");
const importUrl = new URL("node:fs", import.meta.url);
await assertCallbackErrorUncaught({
prelude: `import { link } from ${JSON.stringify(importUrl)}`,
invocation: `link(${JSON.stringify(tempFile)},
${JSON.stringify(linkFile)}, `,
async cleanup() {
await Deno.remove(tempDir, { recursive: true });
},
});
});
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