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6915a9b7a7
This PR adds the remaining ~650 Node.js compat test cases from std/node. Among these 650 cases, about 130 cases are now failing. These failing cases are prefixed with `TODO:` in `tests/node_compat/config.json`. These will be addressed in later PRs.
106 lines
3 KiB
JavaScript
106 lines
3 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 "node/_tools/setup.ts". Do not modify this file manually
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const Readable = require('stream').Readable;
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const readable = new Readable({
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read: () => {}
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});
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// Initialized to false.
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assert.strictEqual(readable._readableState.needReadable, false);
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readable.on('readable', common.mustCall(() => {
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// When the readable event fires, needReadable is reset.
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assert.strictEqual(readable._readableState.needReadable, false);
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readable.read();
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}));
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// If a readable listener is attached, then a readable event is needed.
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assert.strictEqual(readable._readableState.needReadable, true);
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readable.push('foo');
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readable.push(null);
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readable.on('end', common.mustCall(() => {
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// No need to emit readable anymore when the stream ends.
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assert.strictEqual(readable._readableState.needReadable, false);
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}));
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const asyncReadable = new Readable({
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read: () => {}
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});
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asyncReadable.on('readable', common.mustCall(() => {
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if (asyncReadable.read() !== null) {
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// After each read(), the buffer is empty.
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// If the stream doesn't end now,
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// then we need to notify the reader on future changes.
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assert.strictEqual(asyncReadable._readableState.needReadable, true);
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}
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}, 2));
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process.nextTick(common.mustCall(() => {
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asyncReadable.push('foooo');
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}));
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process.nextTick(common.mustCall(() => {
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asyncReadable.push('bar');
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}));
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setImmediate(common.mustCall(() => {
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asyncReadable.push(null);
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assert.strictEqual(asyncReadable._readableState.needReadable, false);
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}));
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const flowing = new Readable({
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read: () => {}
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});
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// Notice this must be above the on('data') call.
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flowing.push('foooo');
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flowing.push('bar');
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flowing.push('quo');
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process.nextTick(common.mustCall(() => {
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flowing.push(null);
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}));
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// When the buffer already has enough data, and the stream is
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// in flowing mode, there is no need for the readable event.
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flowing.on('data', common.mustCall(function(data) {
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assert.strictEqual(flowing._readableState.needReadable, false);
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}, 3));
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const slowProducer = new Readable({
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read: () => {}
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});
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slowProducer.on('readable', common.mustCall(() => {
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const chunk = slowProducer.read(8);
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const state = slowProducer._readableState;
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if (chunk === null) {
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// The buffer doesn't have enough data, and the stream is not need,
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// we need to notify the reader when data arrives.
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assert.strictEqual(state.needReadable, true);
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} else {
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assert.strictEqual(state.needReadable, false);
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}
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}, 4));
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process.nextTick(common.mustCall(() => {
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slowProducer.push('foo');
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process.nextTick(common.mustCall(() => {
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slowProducer.push('foo');
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process.nextTick(common.mustCall(() => {
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slowProducer.push('foo');
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process.nextTick(common.mustCall(() => {
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slowProducer.push(null);
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}));
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}));
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}));
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}));
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