1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-12-20 14:24:48 -05:00
denoland-deno/tests/node_compat/test/parallel/test-stream-readable-emittedReadable.js
Matt Mastracci f5e46c9bf2
chore: move cli/tests/ -> tests/ (#22369)
This looks like a massive PR, but it's only a move from cli/tests ->
tests, and updates of relative paths for files.

This is the first step towards aggregate all of the integration test
files under tests/, which will lead to a set of integration tests that
can run without the CLI binary being built.

While we could leave these tests under `cli`, it would require us to
keep a more complex directory structure for the various test runners. In
addition, we have a lot of complexity to ignore various test files in
the `cli` project itself (cargo publish exclusion rules, autotests =
false, etc).

And finally, the `tests/` folder will eventually house the `test_ffi`,
`test_napi` and other testing code, reducing the size of the root repo
directory.

For easier review, the extremely large and noisy "move" is in the first
commit (with no changes -- just a move), while the remainder of the
changes to actual files is in the second commit.
2024-02-10 20:22:13 +00:00

80 lines
2.3 KiB
JavaScript

// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 18.12.1
// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
'use strict';
const common = require('../common');
const assert = require('assert');
const Readable = require('stream').Readable;
const readable = new Readable({
read: () => {}
});
// Initialized to false.
assert.strictEqual(readable._readableState.emittedReadable, false);
const expected = [Buffer.from('foobar'), Buffer.from('quo'), null];
readable.on('readable', common.mustCall(() => {
// emittedReadable should be true when the readable event is emitted
assert.strictEqual(readable._readableState.emittedReadable, true);
assert.deepStrictEqual(readable.read(), expected.shift());
// emittedReadable is reset to false during read()
assert.strictEqual(readable._readableState.emittedReadable, false);
}, 3));
// When the first readable listener is just attached,
// emittedReadable should be false
assert.strictEqual(readable._readableState.emittedReadable, false);
// These trigger a single 'readable', as things are batched up
process.nextTick(common.mustCall(() => {
readable.push('foo');
}));
process.nextTick(common.mustCall(() => {
readable.push('bar');
}));
// These triggers two readable events
setImmediate(common.mustCall(() => {
readable.push('quo');
process.nextTick(common.mustCall(() => {
readable.push(null);
}));
}));
const noRead = new Readable({
read: () => {}
});
noRead.on('readable', common.mustCall(() => {
// emittedReadable should be true when the readable event is emitted
assert.strictEqual(noRead._readableState.emittedReadable, true);
noRead.read(0);
// emittedReadable is not reset during read(0)
assert.strictEqual(noRead._readableState.emittedReadable, true);
}));
noRead.push('foo');
noRead.push(null);
const flowing = new Readable({
read: () => {}
});
flowing.on('data', common.mustCall(() => {
// When in flowing mode, emittedReadable is always false.
assert.strictEqual(flowing._readableState.emittedReadable, false);
flowing.read();
assert.strictEqual(flowing._readableState.emittedReadable, false);
}, 3));
flowing.push('foooo');
flowing.push('bar');
flowing.push('quo');
process.nextTick(common.mustCall(() => {
flowing.push(null);
}));