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284 lines
8 KiB
JavaScript
284 lines
8 KiB
JavaScript
// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 18.12.1
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// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const tmpdir = require('../common/tmpdir');
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const child_process = require('child_process');
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const assert = require('assert');
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const fs = require('fs');
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const fixtures = require('../common/fixtures');
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const fn = fixtures.path('elipses.txt');
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const rangeFile = fixtures.path('x.txt');
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function test1(options) {
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let paused = false;
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let bytesRead = 0;
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const file = fs.createReadStream(fn, options);
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const fileSize = fs.statSync(fn).size;
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assert.strictEqual(file.bytesRead, 0);
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file.on('open', common.mustCall(function(fd) {
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file.length = 0;
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assert.strictEqual(typeof fd, 'number');
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assert.strictEqual(file.bytesRead, 0);
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assert.ok(file.readable);
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// GH-535
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file.pause();
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file.resume();
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file.pause();
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file.resume();
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}));
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file.on('data', function(data) {
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assert.ok(data instanceof Buffer);
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assert.ok(data.byteOffset % 8 === 0);
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assert.ok(!paused);
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file.length += data.length;
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bytesRead += data.length;
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assert.strictEqual(file.bytesRead, bytesRead);
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paused = true;
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file.pause();
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setTimeout(function() {
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paused = false;
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file.resume();
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}, 10);
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});
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file.on('end', common.mustCall(function(chunk) {
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assert.strictEqual(bytesRead, fileSize);
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assert.strictEqual(file.bytesRead, fileSize);
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}));
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file.on('close', common.mustCall(function() {
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assert.strictEqual(bytesRead, fileSize);
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assert.strictEqual(file.bytesRead, fileSize);
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}));
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process.on('exit', function() {
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assert.strictEqual(file.length, 30000);
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});
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}
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test1({});
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test1({
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fs: {
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open: common.mustCall(fs.open),
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read: common.mustCallAtLeast(fs.read, 1),
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close: common.mustCall(fs.close),
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}
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});
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{
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const file = fs.createReadStream(fn, common.mustNotMutateObjectDeep({ encoding: 'utf8' }));
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file.length = 0;
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file.on('data', function(data) {
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assert.strictEqual(typeof data, 'string');
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file.length += data.length;
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for (let i = 0; i < data.length; i++) {
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// http://www.fileformat.info/info/unicode/char/2026/index.htm
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assert.strictEqual(data[i], '\u2026');
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}
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});
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file.on('close', common.mustCall());
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process.on('exit', function() {
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assert.strictEqual(file.length, 10000);
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});
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}
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{
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const file =
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fs.createReadStream(rangeFile, common.mustNotMutateObjectDeep({ bufferSize: 1, start: 1, end: 2 }));
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let contentRead = '';
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file.on('data', function(data) {
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contentRead += data.toString('utf-8');
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});
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file.on('end', common.mustCall(function(data) {
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assert.strictEqual(contentRead, 'yz');
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}));
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}
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{
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const file = fs.createReadStream(rangeFile, common.mustNotMutateObjectDeep({ bufferSize: 1, start: 1 }));
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file.data = '';
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file.on('data', function(data) {
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file.data += data.toString('utf-8');
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});
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file.on('end', common.mustCall(function() {
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assert.strictEqual(file.data, 'yz\n');
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}));
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}
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{
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// Ref: https://github.com/nodejs/node-v0.x-archive/issues/2320
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const file = fs.createReadStream(rangeFile, common.mustNotMutateObjectDeep({ bufferSize: 1.23, start: 1 }));
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file.data = '';
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file.on('data', function(data) {
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file.data += data.toString('utf-8');
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});
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file.on('end', common.mustCall(function() {
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assert.strictEqual(file.data, 'yz\n');
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}));
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}
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assert.throws(
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() => {
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fs.createReadStream(rangeFile, common.mustNotMutateObjectDeep({ start: 10, end: 2 }));
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},
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{
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code: 'ERR_OUT_OF_RANGE',
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message: 'The value of "start" is out of range. It must be <= "end"' +
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' (here: 2). Received 10',
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name: 'RangeError'
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});
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{
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const stream = fs.createReadStream(rangeFile, common.mustNotMutateObjectDeep({ start: 0, end: 0 }));
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stream.data = '';
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stream.on('data', function(chunk) {
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stream.data += chunk;
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});
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stream.on('end', common.mustCall(function() {
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assert.strictEqual(stream.data, 'x');
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}));
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}
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{
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// Verify that end works when start is not specified.
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const stream = new fs.createReadStream(rangeFile, common.mustNotMutateObjectDeep({ end: 1 }));
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stream.data = '';
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stream.on('data', function(chunk) {
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stream.data += chunk;
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});
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stream.on('end', common.mustCall(function() {
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assert.strictEqual(stream.data, 'xy');
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}));
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}
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if (!common.isWindows) {
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// Verify that end works when start is not specified, and we do not try to
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// use positioned reads. This makes sure that this keeps working for
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// non-seekable file descriptors.
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tmpdir.refresh();
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const filename = `${tmpdir.path}/foo.pipe`;
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const mkfifoResult = child_process.spawnSync('mkfifo', [filename]);
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if (!mkfifoResult.error) {
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child_process.exec(`echo "xyz foobar" > '${filename}'`);
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const stream = new fs.createReadStream(filename, common.mustNotMutateObjectDeep({ end: 1 }));
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stream.data = '';
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stream.on('data', function(chunk) {
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stream.data += chunk;
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});
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stream.on('end', common.mustCall(function() {
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assert.strictEqual(stream.data, 'xy');
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fs.unlinkSync(filename);
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}));
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} else {
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common.printSkipMessage('mkfifo not available');
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}
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}
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{
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// Pause and then resume immediately.
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const pauseRes = fs.createReadStream(rangeFile);
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pauseRes.pause();
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pauseRes.resume();
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}
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{
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let file = fs.createReadStream(rangeFile, common.mustNotMutateObjectDeep({ autoClose: false }));
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let data = '';
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file.on('data', function(chunk) { data += chunk; });
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file.on('end', common.mustCall(function() {
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assert.strictEqual(data, 'xyz\n');
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process.nextTick(function() {
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assert(!file.closed);
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assert(!file.destroyed);
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fileNext();
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});
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}));
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function fileNext() {
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// This will tell us if the fd is usable again or not.
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file = fs.createReadStream(null, common.mustNotMutateObjectDeep({ fd: file.fd, start: 0 }));
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file.data = '';
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file.on('data', function(data) {
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file.data += data;
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});
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file.on('end', common.mustCall(function(err) {
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assert.strictEqual(file.data, 'xyz\n');
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}));
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process.on('exit', function() {
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assert(file.closed);
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assert(file.destroyed);
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});
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}
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}
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{
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// Just to make sure autoClose won't close the stream because of error.
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const file = fs.createReadStream(null, common.mustNotMutateObjectDeep({ fd: 13337, autoClose: false }));
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file.on('data', common.mustNotCall());
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file.on('error', common.mustCall());
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process.on('exit', function() {
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assert(!file.closed);
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assert(!file.destroyed);
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assert(file.fd);
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});
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}
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{
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// Make sure stream is destroyed when file does not exist.
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const file = fs.createReadStream('/path/to/file/that/does/not/exist');
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file.on('data', common.mustNotCall());
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file.on('error', common.mustCall());
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process.on('exit', function() {
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assert(file.closed);
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assert(file.destroyed);
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});
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}
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