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a21a5ad2fa
Resolves #1705 This PR adds the Deno APIs as a global namespace named `Deno`. For backwards compatibility, the ability to `import * from "deno"` is preserved. I have tried to convert every test and internal code the references the module to use the namespace instead, but because I didn't break compatibility I am not sure. On the REPL, `deno` no longer exists, replaced only with `Deno` to align with the regular runtime. The runtime type library includes both the namespace and module. This means it duplicates the whole type information. When we remove the functionality from the runtime, it will be a one line change to the library generator to remove the module definition from the type library. I marked a `TODO` in a couple places where to remove the `"deno"` module, but there are additional places I know I didn't mark.
204 lines
7 KiB
TypeScript
204 lines
7 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import { testPerm, assert, assertEqual } from "./test_util.ts";
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testPerm({ read: true, write: true }, function writeFileSyncSuccess() {
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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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assertEqual("Hello", actual);
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});
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testPerm({ write: true }, function writeFileSyncFail() {
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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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assertEqual(e.kind, Deno.ErrorKind.NotFound);
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assertEqual(e.name, "NotFound");
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}
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assert(caughtError);
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});
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testPerm({ write: false }, function writeFileSyncPerm() {
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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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assertEqual(e.kind, Deno.ErrorKind.PermissionDenied);
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assertEqual(e.name, "PermissionDenied");
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}
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assert(caughtError);
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});
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testPerm({ read: true, write: true }, function writeFileSyncUpdatePerm() {
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if (Deno.platform.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, { perm: 0o755 });
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assertEqual(Deno.statSync(filename).mode & 0o777, 0o755);
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Deno.writeFileSync(filename, data, { perm: 0o666 });
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assertEqual(Deno.statSync(filename).mode & 0o777, 0o666);
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}
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});
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testPerm({ read: true, write: true }, function writeFileSyncCreate() {
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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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assertEqual(e.kind, Deno.ErrorKind.NotFound);
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assertEqual(e.name, "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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assertEqual("Hello", actual);
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});
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testPerm({ read: true, write: true }, function writeFileSyncAppend() {
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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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assertEqual("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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assertEqual("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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assertEqual("Hello", actual);
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});
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testPerm({ read: true, write: true }, async function writeFileSuccess() {
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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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assertEqual("Hello", actual);
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});
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testPerm({ read: true, write: true }, async function writeFileNotFound() {
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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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assertEqual(e.kind, Deno.ErrorKind.NotFound);
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assertEqual(e.name, "NotFound");
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}
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assert(caughtError);
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});
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testPerm({ read: true, write: false }, async function writeFilePerm() {
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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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assertEqual(e.kind, Deno.ErrorKind.PermissionDenied);
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assertEqual(e.name, "PermissionDenied");
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}
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assert(caughtError);
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});
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testPerm({ read: true, write: true }, async function writeFileUpdatePerm() {
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if (Deno.platform.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, { perm: 0o755 });
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assertEqual(Deno.statSync(filename).mode & 0o777, 0o755);
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await Deno.writeFile(filename, data, { perm: 0o666 });
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assertEqual(Deno.statSync(filename).mode & 0o777, 0o666);
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}
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});
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testPerm({ read: true, write: true }, async function writeFileCreate() {
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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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assertEqual(e.kind, Deno.ErrorKind.NotFound);
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assertEqual(e.name, "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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assertEqual("Hello", actual);
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});
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testPerm({ read: true, write: true }, async function writeFileAppend() {
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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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assertEqual("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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assertEqual("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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assertEqual("Hello", actual);
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});
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