mirror of
https://github.com/denoland/deno.git
synced 2024-12-30 11:16:38 -05:00
8e914be742
This commit migrates repository from using "eslint" to "dlint" for linting JavaScript code.
649 lines
18 KiB
TypeScript
649 lines
18 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
|
|
import {
|
|
assert,
|
|
assertEquals,
|
|
assertThrowsAsync,
|
|
unitTest,
|
|
} from "./test_util.ts";
|
|
|
|
unitTest(function filesStdioFileDescriptors(): void {
|
|
assertEquals(Deno.stdin.rid, 0);
|
|
assertEquals(Deno.stdout.rid, 1);
|
|
assertEquals(Deno.stderr.rid, 2);
|
|
});
|
|
|
|
unitTest({ perms: { read: true } }, async function filesCopyToStdout(): Promise<
|
|
void
|
|
> {
|
|
const filename = "cli/tests/fixture.json";
|
|
const file = await Deno.open(filename);
|
|
assert(file.rid > 2);
|
|
const bytesWritten = await Deno.copy(file, Deno.stdout);
|
|
const fileSize = Deno.statSync(filename).size;
|
|
assertEquals(bytesWritten, fileSize);
|
|
file.close();
|
|
});
|
|
|
|
unitTest({ perms: { read: true } }, async function filesIter(): Promise<void> {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = await Deno.open(filename);
|
|
|
|
let totalSize = 0;
|
|
for await (const buf of Deno.iter(file)) {
|
|
totalSize += buf.byteLength;
|
|
}
|
|
|
|
assertEquals(totalSize, 12);
|
|
file.close();
|
|
});
|
|
|
|
unitTest(
|
|
{ perms: { read: true } },
|
|
async function filesIterCustomBufSize(): Promise<void> {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = await Deno.open(filename);
|
|
|
|
let totalSize = 0;
|
|
let iterations = 0;
|
|
for await (const buf of Deno.iter(file, { bufSize: 6 })) {
|
|
totalSize += buf.byteLength;
|
|
iterations += 1;
|
|
}
|
|
|
|
assertEquals(totalSize, 12);
|
|
assertEquals(iterations, 2);
|
|
file.close();
|
|
},
|
|
);
|
|
|
|
unitTest({ perms: { read: true } }, function filesIterSync(): void {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = Deno.openSync(filename);
|
|
|
|
let totalSize = 0;
|
|
for (const buf of Deno.iterSync(file)) {
|
|
totalSize += buf.byteLength;
|
|
}
|
|
|
|
assertEquals(totalSize, 12);
|
|
file.close();
|
|
});
|
|
|
|
unitTest(
|
|
{ perms: { read: true } },
|
|
function filesIterSyncCustomBufSize(): void {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = Deno.openSync(filename);
|
|
|
|
let totalSize = 0;
|
|
let iterations = 0;
|
|
for (const buf of Deno.iterSync(file, { bufSize: 6 })) {
|
|
totalSize += buf.byteLength;
|
|
iterations += 1;
|
|
}
|
|
|
|
assertEquals(totalSize, 12);
|
|
assertEquals(iterations, 2);
|
|
file.close();
|
|
},
|
|
);
|
|
|
|
unitTest(async function readerIter(): Promise<void> {
|
|
// ref: https://github.com/denoland/deno/issues/2330
|
|
const encoder = new TextEncoder();
|
|
|
|
class TestReader implements Deno.Reader {
|
|
#offset = 0;
|
|
#buf: Uint8Array;
|
|
|
|
constructor(s: string) {
|
|
this.#buf = new Uint8Array(encoder.encode(s));
|
|
}
|
|
|
|
read(p: Uint8Array): Promise<number | null> {
|
|
const n = Math.min(p.byteLength, this.#buf.byteLength - this.#offset);
|
|
p.set(this.#buf.slice(this.#offset, this.#offset + n));
|
|
this.#offset += n;
|
|
|
|
if (n === 0) {
|
|
return Promise.resolve(null);
|
|
}
|
|
|
|
return Promise.resolve(n);
|
|
}
|
|
}
|
|
|
|
const reader = new TestReader("hello world!");
|
|
|
|
let totalSize = 0;
|
|
for await (const buf of Deno.iter(reader)) {
|
|
totalSize += buf.byteLength;
|
|
}
|
|
|
|
assertEquals(totalSize, 12);
|
|
});
|
|
|
|
unitTest(async function readerIterSync(): Promise<void> {
|
|
// ref: https://github.com/denoland/deno/issues/2330
|
|
const encoder = new TextEncoder();
|
|
|
|
class TestReader implements Deno.ReaderSync {
|
|
#offset = 0;
|
|
#buf: Uint8Array;
|
|
|
|
constructor(s: string) {
|
|
this.#buf = new Uint8Array(encoder.encode(s));
|
|
}
|
|
|
|
readSync(p: Uint8Array): number | null {
|
|
const n = Math.min(p.byteLength, this.#buf.byteLength - this.#offset);
|
|
p.set(this.#buf.slice(this.#offset, this.#offset + n));
|
|
this.#offset += n;
|
|
|
|
if (n === 0) {
|
|
return null;
|
|
}
|
|
|
|
return n;
|
|
}
|
|
}
|
|
|
|
const reader = new TestReader("hello world!");
|
|
|
|
let totalSize = 0;
|
|
for await (const buf of Deno.iterSync(reader)) {
|
|
totalSize += buf.byteLength;
|
|
}
|
|
|
|
assertEquals(totalSize, 12);
|
|
});
|
|
|
|
unitTest(
|
|
{
|
|
perms: { read: true, write: true },
|
|
},
|
|
function openSyncMode(): void {
|
|
const path = Deno.makeTempDirSync() + "/test_openSync.txt";
|
|
const file = Deno.openSync(path, {
|
|
write: true,
|
|
createNew: true,
|
|
mode: 0o626,
|
|
});
|
|
file.close();
|
|
const pathInfo = Deno.statSync(path);
|
|
if (Deno.build.os !== "windows") {
|
|
assertEquals(pathInfo.mode! & 0o777, 0o626 & ~Deno.umask());
|
|
}
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{
|
|
perms: { read: true, write: true },
|
|
},
|
|
async function openMode(): Promise<void> {
|
|
const path = (await Deno.makeTempDir()) + "/test_open.txt";
|
|
const file = await Deno.open(path, {
|
|
write: true,
|
|
createNew: true,
|
|
mode: 0o626,
|
|
});
|
|
file.close();
|
|
const pathInfo = Deno.statSync(path);
|
|
if (Deno.build.os !== "windows") {
|
|
assertEquals(pathInfo.mode! & 0o777, 0o626 & ~Deno.umask());
|
|
}
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{
|
|
perms: { read: true, write: true },
|
|
},
|
|
function openSyncUrl(): void {
|
|
const tempDir = Deno.makeTempDirSync();
|
|
const fileUrl = new URL(
|
|
`file://${
|
|
Deno.build.os === "windows" ? "/" : ""
|
|
}${tempDir}/test_open.txt`,
|
|
);
|
|
const file = Deno.openSync(fileUrl, {
|
|
write: true,
|
|
createNew: true,
|
|
mode: 0o626,
|
|
});
|
|
file.close();
|
|
const pathInfo = Deno.statSync(fileUrl);
|
|
if (Deno.build.os !== "windows") {
|
|
assertEquals(pathInfo.mode! & 0o777, 0o626 & ~Deno.umask());
|
|
}
|
|
|
|
Deno.removeSync(tempDir, { recursive: true });
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{
|
|
perms: { read: true, write: true },
|
|
},
|
|
async function openUrl(): Promise<void> {
|
|
const tempDir = await Deno.makeTempDir();
|
|
const fileUrl = new URL(
|
|
`file://${
|
|
Deno.build.os === "windows" ? "/" : ""
|
|
}${tempDir}/test_open.txt`,
|
|
);
|
|
const file = await Deno.open(fileUrl, {
|
|
write: true,
|
|
createNew: true,
|
|
mode: 0o626,
|
|
});
|
|
file.close();
|
|
const pathInfo = Deno.statSync(fileUrl);
|
|
if (Deno.build.os !== "windows") {
|
|
assertEquals(pathInfo.mode! & 0o777, 0o626 & ~Deno.umask());
|
|
}
|
|
|
|
Deno.removeSync(tempDir, { recursive: true });
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{ perms: { write: false } },
|
|
async function writePermFailure(): Promise<void> {
|
|
const filename = "tests/hello.txt";
|
|
const openOptions: Deno.OpenOptions[] = [{ write: true }, { append: true }];
|
|
for (const options of openOptions) {
|
|
await assertThrowsAsync(async () => {
|
|
await Deno.open(filename, options);
|
|
}, Deno.errors.PermissionDenied);
|
|
}
|
|
},
|
|
);
|
|
|
|
unitTest(async function openOptions(): Promise<void> {
|
|
const filename = "cli/tests/fixture.json";
|
|
await assertThrowsAsync(
|
|
async (): Promise<void> => {
|
|
await Deno.open(filename, { write: false });
|
|
},
|
|
Error,
|
|
"OpenOptions requires at least one option to be true",
|
|
);
|
|
|
|
await assertThrowsAsync(
|
|
async (): Promise<void> => {
|
|
await Deno.open(filename, { truncate: true, write: false });
|
|
},
|
|
Error,
|
|
"'truncate' option requires 'write' option",
|
|
);
|
|
|
|
await assertThrowsAsync(
|
|
async (): Promise<void> => {
|
|
await Deno.open(filename, { create: true, write: false });
|
|
},
|
|
Error,
|
|
"'create' or 'createNew' options require 'write' or 'append' option",
|
|
);
|
|
|
|
await assertThrowsAsync(
|
|
async (): Promise<void> => {
|
|
await Deno.open(filename, { createNew: true, append: false });
|
|
},
|
|
Error,
|
|
"'create' or 'createNew' options require 'write' or 'append' option",
|
|
);
|
|
});
|
|
|
|
unitTest({ perms: { read: false } }, async function readPermFailure(): Promise<
|
|
void
|
|
> {
|
|
await assertThrowsAsync(async () => {
|
|
await Deno.open("package.json", { read: true });
|
|
}, Deno.errors.PermissionDenied);
|
|
});
|
|
|
|
unitTest(
|
|
{ perms: { write: true } },
|
|
async function writeNullBufferFailure(): Promise<void> {
|
|
const tempDir = Deno.makeTempDirSync();
|
|
const filename = tempDir + "hello.txt";
|
|
const w = {
|
|
write: true,
|
|
truncate: true,
|
|
create: true,
|
|
};
|
|
const file = await Deno.open(filename, w);
|
|
|
|
// writing null should throw an error
|
|
await assertThrowsAsync(
|
|
async (): Promise<void> => {
|
|
// deno-lint-ignore no-explicit-any
|
|
await file.write(null as any);
|
|
},
|
|
); // TODO: Check error kind when dispatch_minimal pipes errors properly
|
|
file.close();
|
|
await Deno.remove(tempDir, { recursive: true });
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{ perms: { write: true, read: true } },
|
|
async function readNullBufferFailure(): Promise<void> {
|
|
const tempDir = Deno.makeTempDirSync();
|
|
const filename = tempDir + "hello.txt";
|
|
const file = await Deno.open(filename, {
|
|
read: true,
|
|
write: true,
|
|
truncate: true,
|
|
create: true,
|
|
});
|
|
|
|
// reading into an empty buffer should return 0 immediately
|
|
const bytesRead = await file.read(new Uint8Array(0));
|
|
assert(bytesRead === 0);
|
|
|
|
// reading file into null buffer should throw an error
|
|
await assertThrowsAsync(async () => {
|
|
// deno-lint-ignore no-explicit-any
|
|
await file.read(null as any);
|
|
}, TypeError);
|
|
// TODO: Check error kind when dispatch_minimal pipes errors properly
|
|
|
|
file.close();
|
|
await Deno.remove(tempDir, { recursive: true });
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{ perms: { write: false, read: false } },
|
|
async function readWritePermFailure(): Promise<void> {
|
|
const filename = "tests/hello.txt";
|
|
await assertThrowsAsync(async () => {
|
|
await Deno.open(filename, { read: true });
|
|
}, Deno.errors.PermissionDenied);
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{ perms: { read: true, write: true } },
|
|
async function createFile(): Promise<void> {
|
|
const tempDir = await Deno.makeTempDir();
|
|
const filename = tempDir + "/test.txt";
|
|
const f = await Deno.create(filename);
|
|
let fileInfo = Deno.statSync(filename);
|
|
assert(fileInfo.isFile);
|
|
assert(fileInfo.size === 0);
|
|
const enc = new TextEncoder();
|
|
const data = enc.encode("Hello");
|
|
await f.write(data);
|
|
fileInfo = Deno.statSync(filename);
|
|
assert(fileInfo.size === 5);
|
|
f.close();
|
|
|
|
// TODO: test different modes
|
|
await Deno.remove(tempDir, { recursive: true });
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{ perms: { read: true, write: true } },
|
|
async function createFileWithUrl(): Promise<void> {
|
|
const tempDir = await Deno.makeTempDir();
|
|
const fileUrl = new URL(
|
|
`file://${Deno.build.os === "windows" ? "/" : ""}${tempDir}/test.txt`,
|
|
);
|
|
const f = await Deno.create(fileUrl);
|
|
let fileInfo = Deno.statSync(fileUrl);
|
|
assert(fileInfo.isFile);
|
|
assert(fileInfo.size === 0);
|
|
const enc = new TextEncoder();
|
|
const data = enc.encode("Hello");
|
|
await f.write(data);
|
|
fileInfo = Deno.statSync(fileUrl);
|
|
assert(fileInfo.size === 5);
|
|
f.close();
|
|
|
|
await Deno.remove(tempDir, { recursive: true });
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{ perms: { read: true, write: true } },
|
|
async function createSyncFile(): Promise<void> {
|
|
const tempDir = await Deno.makeTempDir();
|
|
const filename = tempDir + "/test.txt";
|
|
const f = Deno.createSync(filename);
|
|
let fileInfo = Deno.statSync(filename);
|
|
assert(fileInfo.isFile);
|
|
assert(fileInfo.size === 0);
|
|
const enc = new TextEncoder();
|
|
const data = enc.encode("Hello");
|
|
await f.write(data);
|
|
fileInfo = Deno.statSync(filename);
|
|
assert(fileInfo.size === 5);
|
|
f.close();
|
|
|
|
// TODO: test different modes
|
|
await Deno.remove(tempDir, { recursive: true });
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{ perms: { read: true, write: true } },
|
|
async function createSyncFileWithUrl(): Promise<void> {
|
|
const tempDir = await Deno.makeTempDir();
|
|
const fileUrl = new URL(
|
|
`file://${Deno.build.os === "windows" ? "/" : ""}${tempDir}/test.txt`,
|
|
);
|
|
const f = Deno.createSync(fileUrl);
|
|
let fileInfo = Deno.statSync(fileUrl);
|
|
assert(fileInfo.isFile);
|
|
assert(fileInfo.size === 0);
|
|
const enc = new TextEncoder();
|
|
const data = enc.encode("Hello");
|
|
await f.write(data);
|
|
fileInfo = Deno.statSync(fileUrl);
|
|
assert(fileInfo.size === 5);
|
|
f.close();
|
|
|
|
await Deno.remove(tempDir, { recursive: true });
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{ perms: { read: true, write: true } },
|
|
async function openModeWrite(): Promise<void> {
|
|
const tempDir = Deno.makeTempDirSync();
|
|
const encoder = new TextEncoder();
|
|
const filename = tempDir + "hello.txt";
|
|
const data = encoder.encode("Hello world!\n");
|
|
let file = await Deno.open(filename, {
|
|
create: true,
|
|
write: true,
|
|
truncate: true,
|
|
});
|
|
// assert file was created
|
|
let fileInfo = Deno.statSync(filename);
|
|
assert(fileInfo.isFile);
|
|
assertEquals(fileInfo.size, 0);
|
|
// write some data
|
|
await file.write(data);
|
|
fileInfo = Deno.statSync(filename);
|
|
assertEquals(fileInfo.size, 13);
|
|
// assert we can't read from file
|
|
let thrown = false;
|
|
try {
|
|
const buf = new Uint8Array(20);
|
|
await file.read(buf);
|
|
} catch (e) {
|
|
thrown = true;
|
|
} finally {
|
|
assert(thrown, "'w' mode shouldn't allow to read file");
|
|
}
|
|
file.close();
|
|
// assert that existing file is truncated on open
|
|
file = await Deno.open(filename, {
|
|
write: true,
|
|
truncate: true,
|
|
});
|
|
file.close();
|
|
const fileSize = Deno.statSync(filename).size;
|
|
assertEquals(fileSize, 0);
|
|
await Deno.remove(tempDir, { recursive: true });
|
|
},
|
|
);
|
|
|
|
unitTest(
|
|
{ perms: { read: true, write: true } },
|
|
async function openModeWriteRead(): Promise<void> {
|
|
const tempDir = Deno.makeTempDirSync();
|
|
const encoder = new TextEncoder();
|
|
const filename = tempDir + "hello.txt";
|
|
const data = encoder.encode("Hello world!\n");
|
|
|
|
const file = await Deno.open(filename, {
|
|
write: true,
|
|
truncate: true,
|
|
create: true,
|
|
read: true,
|
|
});
|
|
const seekPosition = 0;
|
|
// assert file was created
|
|
let fileInfo = Deno.statSync(filename);
|
|
assert(fileInfo.isFile);
|
|
assertEquals(fileInfo.size, 0);
|
|
// write some data
|
|
await file.write(data);
|
|
fileInfo = Deno.statSync(filename);
|
|
assertEquals(fileInfo.size, 13);
|
|
|
|
const buf = new Uint8Array(20);
|
|
// seeking from beginning of a file
|
|
const cursorPosition = await file.seek(seekPosition, Deno.SeekMode.Start);
|
|
assertEquals(seekPosition, cursorPosition);
|
|
const result = await file.read(buf);
|
|
assertEquals(result, 13);
|
|
file.close();
|
|
|
|
await Deno.remove(tempDir, { recursive: true });
|
|
},
|
|
);
|
|
|
|
unitTest({ perms: { read: true } }, async function seekStart(): Promise<void> {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = await Deno.open(filename);
|
|
const seekPosition = 6;
|
|
// Deliberately move 1 step forward
|
|
await file.read(new Uint8Array(1)); // "H"
|
|
// Skipping "Hello "
|
|
// seeking from beginning of a file plus seekPosition
|
|
const cursorPosition = await file.seek(seekPosition, Deno.SeekMode.Start);
|
|
assertEquals(seekPosition, cursorPosition);
|
|
const buf = new Uint8Array(6);
|
|
await file.read(buf);
|
|
const decoded = new TextDecoder().decode(buf);
|
|
assertEquals(decoded, "world!");
|
|
file.close();
|
|
});
|
|
|
|
unitTest({ perms: { read: true } }, function seekSyncStart(): void {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = Deno.openSync(filename);
|
|
const seekPosition = 6;
|
|
// Deliberately move 1 step forward
|
|
file.readSync(new Uint8Array(1)); // "H"
|
|
// Skipping "Hello "
|
|
// seeking from beginning of a file plus seekPosition
|
|
const cursorPosition = file.seekSync(seekPosition, Deno.SeekMode.Start);
|
|
assertEquals(seekPosition, cursorPosition);
|
|
const buf = new Uint8Array(6);
|
|
file.readSync(buf);
|
|
const decoded = new TextDecoder().decode(buf);
|
|
assertEquals(decoded, "world!");
|
|
file.close();
|
|
});
|
|
|
|
unitTest({ perms: { read: true } }, async function seekCurrent(): Promise<
|
|
void
|
|
> {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = await Deno.open(filename);
|
|
// Deliberately move 1 step forward
|
|
await file.read(new Uint8Array(1)); // "H"
|
|
// Skipping "ello "
|
|
const seekPosition = 5;
|
|
// seekPosition is relative to current cursor position after read
|
|
const cursorPosition = await file.seek(seekPosition, Deno.SeekMode.Current);
|
|
assertEquals(seekPosition + 1, cursorPosition);
|
|
const buf = new Uint8Array(6);
|
|
await file.read(buf);
|
|
const decoded = new TextDecoder().decode(buf);
|
|
assertEquals(decoded, "world!");
|
|
file.close();
|
|
});
|
|
|
|
unitTest({ perms: { read: true } }, function seekSyncCurrent(): void {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = Deno.openSync(filename);
|
|
// Deliberately move 1 step forward
|
|
file.readSync(new Uint8Array(1)); // "H"
|
|
// Skipping "ello "
|
|
const seekPosition = 5;
|
|
// seekPosition is relative to current cursor position after read
|
|
const cursorPosition = file.seekSync(seekPosition, Deno.SeekMode.Current);
|
|
assertEquals(seekPosition + 1, cursorPosition);
|
|
const buf = new Uint8Array(6);
|
|
file.readSync(buf);
|
|
const decoded = new TextDecoder().decode(buf);
|
|
assertEquals(decoded, "world!");
|
|
file.close();
|
|
});
|
|
|
|
unitTest({ perms: { read: true } }, async function seekEnd(): Promise<void> {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = await Deno.open(filename);
|
|
const seekPosition = -6;
|
|
// seek from end of file that has 12 chars, 12 - 6 = 6
|
|
const cursorPosition = await file.seek(seekPosition, Deno.SeekMode.End);
|
|
assertEquals(6, cursorPosition);
|
|
const buf = new Uint8Array(6);
|
|
await file.read(buf);
|
|
const decoded = new TextDecoder().decode(buf);
|
|
assertEquals(decoded, "world!");
|
|
file.close();
|
|
});
|
|
|
|
unitTest({ perms: { read: true } }, function seekSyncEnd(): void {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = Deno.openSync(filename);
|
|
const seekPosition = -6;
|
|
// seek from end of file that has 12 chars, 12 - 6 = 6
|
|
const cursorPosition = file.seekSync(seekPosition, Deno.SeekMode.End);
|
|
assertEquals(6, cursorPosition);
|
|
const buf = new Uint8Array(6);
|
|
file.readSync(buf);
|
|
const decoded = new TextDecoder().decode(buf);
|
|
assertEquals(decoded, "world!");
|
|
file.close();
|
|
});
|
|
|
|
unitTest({ perms: { read: true } }, async function seekMode(): Promise<void> {
|
|
const filename = "cli/tests/hello.txt";
|
|
const file = await Deno.open(filename);
|
|
await assertThrowsAsync(
|
|
async (): Promise<void> => {
|
|
await file.seek(1, -1);
|
|
},
|
|
TypeError,
|
|
"Invalid seek mode",
|
|
);
|
|
|
|
// We should still be able to read the file
|
|
// since it is still open.
|
|
const buf = new Uint8Array(1);
|
|
await file.read(buf); // "H"
|
|
assertEquals(new TextDecoder().decode(buf), "H");
|
|
file.close();
|
|
});
|