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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.
93 lines
2.9 KiB
TypeScript
93 lines
2.9 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { assertEquals, assertNotEquals, fail } from "@std/assert/mod.ts";
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import { assertCallbackErrorUncaught } from "../_test_utils.ts";
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import { readdir, readdirSync } from "node:fs";
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import { join } from "@std/path/mod.ts";
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Deno.test({
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name: "ASYNC: reading empty directory",
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async fn() {
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const dir = Deno.makeTempDirSync();
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await new Promise<string[]>((resolve, reject) => {
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readdir(dir, (err, files) => {
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if (err) reject(err);
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resolve(files);
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});
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})
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.then((files) => assertEquals(files, []), () => fail())
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.finally(() => Deno.removeSync(dir));
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},
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});
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function assertEqualsArrayAnyOrder<T>(actual: T[], expected: T[]) {
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assertEquals(actual.length, expected.length);
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for (const item of expected) {
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const index = actual.indexOf(item);
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assertNotEquals(index, -1);
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expected = expected.splice(index, 1);
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}
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}
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Deno.test({
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name: "ASYNC: reading non-empty directory",
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async fn() {
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const dir = Deno.makeTempDirSync();
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Deno.writeTextFileSync(join(dir, "file1.txt"), "hi");
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Deno.writeTextFileSync(join(dir, "file2.txt"), "hi");
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Deno.mkdirSync(join(dir, "some_dir"));
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await new Promise<string[]>((resolve, reject) => {
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readdir(dir, (err, files) => {
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if (err) reject(err);
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resolve(files);
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});
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})
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.then(
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(files) =>
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assertEqualsArrayAnyOrder(
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files,
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["file1.txt", "some_dir", "file2.txt"],
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),
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() => fail(),
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)
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.finally(() => Deno.removeSync(dir, { recursive: true }));
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},
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});
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Deno.test({
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name: "SYNC: reading empty the directory",
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fn() {
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const dir = Deno.makeTempDirSync();
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assertEquals(readdirSync(dir), []);
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},
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});
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Deno.test({
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name: "SYNC: reading non-empty directory",
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fn() {
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const dir = Deno.makeTempDirSync();
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Deno.writeTextFileSync(join(dir, "file1.txt"), "hi");
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Deno.writeTextFileSync(join(dir, "file2.txt"), "hi");
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Deno.mkdirSync(join(dir, "some_dir"));
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assertEqualsArrayAnyOrder(
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readdirSync(dir),
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["file1.txt", "some_dir", "file2.txt"],
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);
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},
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});
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Deno.test("[std/node/fs] readdir callback isn't called twice if error is thrown", async () => {
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// The correct behaviour is not to catch any errors thrown,
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// but that means there'll be an uncaught error and the test will fail.
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// So the only way to test this is to spawn a subprocess, and succeed if it has a non-zero exit code.
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// (assertRejects won't work because there's no way to catch the error.)
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const tempDir = await Deno.makeTempDir();
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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 { readdir } from ${JSON.stringify(importUrl)}`,
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invocation: `readdir(${JSON.stringify(tempDir)}, `,
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async cleanup() {
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await Deno.remove(tempDir);
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},
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});
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});
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