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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.
238 lines
7.1 KiB
TypeScript
238 lines
7.1 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { assertEquals, assertThrows, fail } from "@std/assert/mod.ts";
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import { appendFile, appendFileSync } from "node:fs";
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import { fromFileUrl } from "@std/path/mod.ts";
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import { assertCallbackErrorUncaught } from "../_test_utils.ts";
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const decoder = new TextDecoder("utf-8");
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Deno.test({
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name: "No callback Fn results in Error",
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fn() {
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assertThrows(
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() => {
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// @ts-expect-error Argument of type 'string' is not assignable to parameter of type 'NoParamCallback'
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appendFile("some/path", "some data", "utf8");
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},
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Error,
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"The \"cb\" argument must be of type function. Received type string ('utf8')",
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);
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},
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});
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Deno.test({
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name: "Unsupported encoding results in error()",
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fn() {
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assertThrows(
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() => {
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// @ts-expect-error Type '"made-up-encoding"' is not assignable to type
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appendFile("some/path", "some data", "made-up-encoding", () => {});
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},
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Error,
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"The argument 'made-up-encoding' is invalid encoding. Received 'encoding'",
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);
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assertThrows(
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() => {
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appendFile(
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"some/path",
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"some data",
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// @ts-expect-error Type '"made-up-encoding"' is not assignable to type
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{ encoding: "made-up-encoding" },
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() => {},
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);
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},
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Error,
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"The argument 'made-up-encoding' is invalid encoding. Received 'encoding'",
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);
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assertThrows(
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// @ts-expect-error Type '"made-up-encoding"' is not assignable to type
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() => appendFileSync("some/path", "some data", "made-up-encoding"),
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Error,
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"The argument 'made-up-encoding' is invalid encoding. Received 'encoding'",
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);
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assertThrows(
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() =>
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appendFileSync("some/path", "some data", {
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// @ts-expect-error Type '"made-up-encoding"' is not assignable to type
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encoding: "made-up-encoding",
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}),
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Error,
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"The argument 'made-up-encoding' is invalid encoding. Received 'encoding'",
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);
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},
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});
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Deno.test({
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name: "Async: Data is written to passed in rid",
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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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await new Promise<void>((resolve, reject) => {
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appendFile(file.rid, "hello world", (err) => {
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if (err) reject();
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else resolve();
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});
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})
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.then(async () => {
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const data = await Deno.readFile(tempFile);
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assertEquals(decoder.decode(data), "hello world");
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}, () => {
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fail("No error expected");
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})
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.finally(async () => {
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await Deno.remove(tempFile);
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});
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},
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});
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Deno.test({
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name: "Async: Data is written to passed in file path",
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async fn() {
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await new Promise<void>((resolve, reject) => {
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appendFile("_fs_appendFile_test_file.txt", "hello world", (err) => {
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if (err) reject(err);
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else resolve();
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});
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})
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.then(async () => {
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const data = await Deno.readFile("_fs_appendFile_test_file.txt");
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assertEquals(decoder.decode(data), "hello world");
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}, (err) => {
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fail("No error was expected: " + err);
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})
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.finally(async () => {
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await Deno.remove("_fs_appendFile_test_file.txt");
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});
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},
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});
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Deno.test({
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name: "Async: Data is written to passed in URL",
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async fn() {
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const fileURL = new URL("_fs_appendFile_test_file.txt", import.meta.url);
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await new Promise<void>((resolve, reject) => {
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appendFile(fileURL, "hello world", (err) => {
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if (err) reject(err);
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else resolve();
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});
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})
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.then(async () => {
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const data = await Deno.readFile(fromFileUrl(fileURL));
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assertEquals(decoder.decode(data), "hello world");
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}, (err) => {
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fail("No error was expected: " + err);
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})
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.finally(async () => {
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await Deno.remove(fromFileUrl(fileURL));
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});
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},
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});
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Deno.test({
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name:
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"Async: Callback is made with error if attempting to append data to an existing file with 'ax' flag",
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async fn() {
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const tempFile: string = await Deno.makeTempFile();
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await new Promise<void>((resolve, reject) => {
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appendFile(tempFile, "hello world", { flag: "ax" }, (err) => {
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if (err) reject(err);
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else resolve();
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});
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})
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.then(() => fail("Expected error to be thrown"))
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.catch(() => {})
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.finally(async () => {
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await Deno.remove(tempFile);
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});
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},
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});
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Deno.test({
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name: "Sync: Data is written to passed in rid",
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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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appendFileSync(file.rid, "hello world");
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const data = Deno.readFileSync(tempFile);
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assertEquals(decoder.decode(data), "hello world");
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Deno.removeSync(tempFile);
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},
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});
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Deno.test({
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name: "Sync: Data is written to passed in file path",
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fn() {
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appendFileSync("_fs_appendFile_test_file_sync.txt", "hello world");
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const data = Deno.readFileSync("_fs_appendFile_test_file_sync.txt");
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assertEquals(decoder.decode(data), "hello world");
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Deno.removeSync("_fs_appendFile_test_file_sync.txt");
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},
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});
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Deno.test({
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name:
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"Sync: error thrown if attempting to append data to an existing file with 'ax' flag",
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fn() {
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const tempFile: string = Deno.makeTempFileSync();
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assertThrows(
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() => appendFileSync(tempFile, "hello world", { flag: "ax" }),
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Error,
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"",
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);
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Deno.removeSync(tempFile);
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},
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});
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Deno.test({
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name: "Sync: Data is written in Uint8Array to passed in file path",
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fn() {
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const testData = new TextEncoder().encode("hello world");
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appendFileSync("_fs_appendFile_test_file_sync.txt", testData);
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const data = Deno.readFileSync("_fs_appendFile_test_file_sync.txt");
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assertEquals(data, testData);
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Deno.removeSync("_fs_appendFile_test_file_sync.txt");
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},
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});
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Deno.test({
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name: "Async: Data is written in Uint8Array to passed in file path",
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async fn() {
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const testData = new TextEncoder().encode("hello world");
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await new Promise<void>((resolve, reject) => {
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appendFile("_fs_appendFile_test_file.txt", testData, (err) => {
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if (err) reject(err);
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else resolve();
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});
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})
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.then(async () => {
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const data = await Deno.readFile("_fs_appendFile_test_file.txt");
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assertEquals(data, testData);
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}, (err) => {
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fail("No error was expected: " + err);
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})
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.finally(async () => {
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await Deno.remove("_fs_appendFile_test_file.txt");
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});
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},
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});
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Deno.test("[std/node/fs] appendFile callback isn't called twice if error is thrown", async () => {
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const tempFile = await Deno.makeTempFile();
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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 { appendFile } from ${JSON.stringify(importUrl)}`,
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invocation: `appendFile(${JSON.stringify(tempFile)}, "hello world", `,
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async cleanup() {
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await Deno.remove(tempFile);
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},
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});
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});
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