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68119e1d7e
All Deno runtime test files were moved to cli/js/tests/ directory. It makes a clear distinction that cli/js/tests/ contains code that is run under Deno runtime as opposed to code in cli/js/ which is used to create bundle and snapshot with "deno_typescript".
228 lines
7.4 KiB
TypeScript
228 lines
7.4 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import { unitTest, assert, assertEquals } from "./test_util.ts";
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unitTest(
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{ perms: { read: true, write: true } },
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function writeFileSyncSuccess(): void {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = Deno.makeTempDirSync() + "/test.txt";
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Deno.writeFileSync(filename, data);
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const dataRead = Deno.readFileSync(filename);
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const dec = new TextDecoder("utf-8");
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const actual = dec.decode(dataRead);
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assertEquals("Hello", actual);
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}
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);
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unitTest({ perms: { write: true } }, function writeFileSyncFail(): void {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = "/baddir/test.txt";
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// The following should fail because /baddir doesn't exist (hopefully).
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let caughtError = false;
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try {
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Deno.writeFileSync(filename, data);
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} catch (e) {
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caughtError = true;
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assert(e instanceof Deno.errors.NotFound);
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}
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assert(caughtError);
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});
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unitTest({ perms: { write: false } }, function writeFileSyncPerm(): void {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = "/baddir/test.txt";
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// The following should fail due to no write permission
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let caughtError = false;
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try {
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Deno.writeFileSync(filename, data);
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} catch (e) {
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caughtError = true;
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assert(e instanceof Deno.errors.PermissionDenied);
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}
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assert(caughtError);
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});
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unitTest(
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{ perms: { read: true, write: true } },
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function writeFileSyncUpdateMode(): void {
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if (Deno.build.os !== "win") {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = Deno.makeTempDirSync() + "/test.txt";
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Deno.writeFileSync(filename, data, { mode: 0o755 });
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assertEquals(Deno.statSync(filename).mode! & 0o777, 0o755);
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Deno.writeFileSync(filename, data, { mode: 0o666 });
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assertEquals(Deno.statSync(filename).mode! & 0o777, 0o666);
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}
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}
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);
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unitTest(
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{ perms: { read: true, write: true } },
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function writeFileSyncCreate(): void {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = Deno.makeTempDirSync() + "/test.txt";
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let caughtError = false;
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// if create turned off, the file won't be created
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try {
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Deno.writeFileSync(filename, data, { create: false });
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} catch (e) {
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caughtError = true;
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assert(e instanceof Deno.errors.NotFound);
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}
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assert(caughtError);
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// Turn on create, should have no error
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Deno.writeFileSync(filename, data, { create: true });
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Deno.writeFileSync(filename, data, { create: false });
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const dataRead = Deno.readFileSync(filename);
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const dec = new TextDecoder("utf-8");
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const actual = dec.decode(dataRead);
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assertEquals("Hello", actual);
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}
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);
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unitTest(
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{ perms: { read: true, write: true } },
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function writeFileSyncAppend(): void {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = Deno.makeTempDirSync() + "/test.txt";
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Deno.writeFileSync(filename, data);
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Deno.writeFileSync(filename, data, { append: true });
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let dataRead = Deno.readFileSync(filename);
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const dec = new TextDecoder("utf-8");
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let actual = dec.decode(dataRead);
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assertEquals("HelloHello", actual);
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// Now attempt overwrite
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Deno.writeFileSync(filename, data, { append: false });
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dataRead = Deno.readFileSync(filename);
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actual = dec.decode(dataRead);
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assertEquals("Hello", actual);
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// append not set should also overwrite
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Deno.writeFileSync(filename, data);
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dataRead = Deno.readFileSync(filename);
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actual = dec.decode(dataRead);
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assertEquals("Hello", actual);
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}
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);
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unitTest(
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{ perms: { read: true, write: true } },
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async function writeFileSuccess(): Promise<void> {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = Deno.makeTempDirSync() + "/test.txt";
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await Deno.writeFile(filename, data);
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const dataRead = Deno.readFileSync(filename);
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const dec = new TextDecoder("utf-8");
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const actual = dec.decode(dataRead);
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assertEquals("Hello", actual);
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}
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);
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unitTest(
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{ perms: { read: true, write: true } },
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async function writeFileNotFound(): Promise<void> {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = "/baddir/test.txt";
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// The following should fail because /baddir doesn't exist (hopefully).
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let caughtError = false;
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try {
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await Deno.writeFile(filename, data);
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} catch (e) {
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caughtError = true;
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assert(e instanceof Deno.errors.NotFound);
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}
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assert(caughtError);
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}
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);
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unitTest(
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{ perms: { read: true, write: false } },
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async function writeFilePerm(): Promise<void> {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = "/baddir/test.txt";
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// The following should fail due to no write permission
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let caughtError = false;
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try {
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await Deno.writeFile(filename, data);
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} catch (e) {
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caughtError = true;
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assert(e instanceof Deno.errors.PermissionDenied);
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}
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assert(caughtError);
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}
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);
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unitTest(
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{ perms: { read: true, write: true } },
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async function writeFileUpdateMode(): Promise<void> {
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if (Deno.build.os !== "win") {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = Deno.makeTempDirSync() + "/test.txt";
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await Deno.writeFile(filename, data, { mode: 0o755 });
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assertEquals(Deno.statSync(filename).mode! & 0o777, 0o755);
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await Deno.writeFile(filename, data, { mode: 0o666 });
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assertEquals(Deno.statSync(filename).mode! & 0o777, 0o666);
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}
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}
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);
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unitTest(
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{ perms: { read: true, write: true } },
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async function writeFileCreate(): Promise<void> {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = Deno.makeTempDirSync() + "/test.txt";
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let caughtError = false;
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// if create turned off, the file won't be created
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try {
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await Deno.writeFile(filename, data, { create: false });
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} catch (e) {
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caughtError = true;
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assert(e instanceof Deno.errors.NotFound);
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}
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assert(caughtError);
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// Turn on create, should have no error
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await Deno.writeFile(filename, data, { create: true });
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await Deno.writeFile(filename, data, { create: false });
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const dataRead = Deno.readFileSync(filename);
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const dec = new TextDecoder("utf-8");
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const actual = dec.decode(dataRead);
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assertEquals("Hello", actual);
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}
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);
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unitTest(
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{ perms: { read: true, write: true } },
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async function writeFileAppend(): Promise<void> {
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const enc = new TextEncoder();
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const data = enc.encode("Hello");
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const filename = Deno.makeTempDirSync() + "/test.txt";
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await Deno.writeFile(filename, data);
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await Deno.writeFile(filename, data, { append: true });
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let dataRead = Deno.readFileSync(filename);
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const dec = new TextDecoder("utf-8");
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let actual = dec.decode(dataRead);
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assertEquals("HelloHello", actual);
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// Now attempt overwrite
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await Deno.writeFile(filename, data, { append: false });
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dataRead = Deno.readFileSync(filename);
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actual = dec.decode(dataRead);
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assertEquals("Hello", actual);
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// append not set should also overwrite
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await Deno.writeFile(filename, data);
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dataRead = Deno.readFileSync(filename);
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actual = dec.decode(dataRead);
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assertEquals("Hello", actual);
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}
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);
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