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