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denoland-deno/tests/unit_node/_fs/_fs_realpath_test.ts
2024-07-25 15:30:28 +10:00

55 lines
1.9 KiB
TypeScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import * as path from "@std/path";
import { assertEquals } from "@std/assert";
import { assertCallbackErrorUncaught } from "../_test_utils.ts";
import { realpath, realpathSync } from "node:fs";
Deno.test("realpath", async function () {
const tempFile = await Deno.makeTempFile();
const tempFileAlias = tempFile + ".alias";
await Deno.symlink(tempFile, tempFileAlias);
const realPath = await new Promise((resolve, reject) => {
realpath(tempFile, (err, path) => {
if (err) {
reject(err);
return;
}
resolve(path);
});
});
const realSymLinkPath = await new Promise((resolve, reject) => {
realpath(tempFileAlias, (err, path) => {
if (err) {
reject(err);
return;
}
resolve(path);
});
});
assertEquals(realPath, realSymLinkPath);
});
Deno.test("realpathSync", function () {
const tempFile = Deno.makeTempFileSync();
const tempFileAlias = tempFile + ".alias";
Deno.symlinkSync(tempFile, tempFileAlias);
const realPath = realpathSync(tempFile);
const realSymLinkPath = realpathSync(tempFileAlias);
assertEquals(realPath, realSymLinkPath);
});
Deno.test("[std/node/fs] realpath 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");
await Deno.symlink(tempFile, linkFile, { type: "file" });
const importUrl = new URL("node:fs", import.meta.url);
await assertCallbackErrorUncaught({
prelude: `import { realpath } from ${JSON.stringify(importUrl)}`,
invocation: `realpath(${JSON.stringify(`${tempDir}/link.txt`)}, `,
async cleanup() {
await Deno.remove(tempDir, { recursive: true });
},
});
});