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75 lines
2 KiB
TypeScript
75 lines
2 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { assertCallbackErrorUncaught } from "../_test_utils.ts";
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import { readlink, readlinkSync } from "node:fs";
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import { assert, assertEquals } from "@std/assert";
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import * as path from "@std/path";
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const testDir = Deno.makeTempDirSync();
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const oldname = path.join(testDir, "oldname");
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const newname = path.join(testDir, "newname");
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if (Deno.build.os === "windows") {
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Deno.symlinkSync(oldname, newname, { type: "file" });
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} else {
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Deno.symlinkSync(oldname, newname);
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}
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Deno.test({
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name: "readlinkSuccess",
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async fn() {
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const data = await new Promise((res, rej) => {
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readlink(newname, (err, data) => {
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if (err) {
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rej(err);
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}
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res(data);
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});
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});
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assertEquals(typeof data, "string");
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assertEquals(data as string, oldname);
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},
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});
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Deno.test({
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name: "readlinkEncodeBufferSuccess",
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async fn() {
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const data = await new Promise((res, rej) => {
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readlink(newname, { encoding: "buffer" }, (err, data) => {
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if (err) {
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rej(err);
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}
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res(data);
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});
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});
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assert(data instanceof Uint8Array);
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assertEquals(new TextDecoder().decode(data as Uint8Array), oldname);
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},
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});
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Deno.test({
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name: "readlinkSyncSuccess",
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fn() {
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const data = readlinkSync(newname);
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assertEquals(typeof data, "string");
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assertEquals(data as string, oldname);
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},
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});
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Deno.test({
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name: "readlinkEncodeBufferSuccess",
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fn() {
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const data = readlinkSync(newname, { encoding: "buffer" });
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assert(data instanceof Uint8Array);
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assertEquals(new TextDecoder().decode(data as Uint8Array), oldname);
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},
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});
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Deno.test("[std/node/fs] readlink callback isn't called twice if error is thrown", async () => {
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const importUrl = new URL("node:fs", import.meta.url);
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await assertCallbackErrorUncaught({
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prelude: `import { readlink } from ${JSON.stringify(importUrl)}`,
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invocation: `readlink(${JSON.stringify(newname)}, `,
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});
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});
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