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author | Yoshiya Hinosawa <stibium121@gmail.com> | 2023-02-21 00:35:04 +0900 |
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committer | GitHub <noreply@github.com> | 2023-02-20 16:35:04 +0100 |
commit | 6915a9b7a701dde0e1078867961c9a91811c1850 (patch) | |
tree | e6822f2b8400c7c7941d3cb9ace59842389b5bc9 /cli/tests/node_compat/test/parallel/test-stream-readable-event.js | |
parent | a1cd2a5915c13f6a9b8eafa3807e143a02616bc1 (diff) |
test(ext/node): more node compat tests (#17827)
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.
Diffstat (limited to 'cli/tests/node_compat/test/parallel/test-stream-readable-event.js')
-rw-r--r-- | cli/tests/node_compat/test/parallel/test-stream-readable-event.js | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-stream-readable-event.js b/cli/tests/node_compat/test/parallel/test-stream-readable-event.js new file mode 100644 index 000000000..a5964ab2c --- /dev/null +++ b/cli/tests/node_compat/test/parallel/test-stream-readable-event.js @@ -0,0 +1,135 @@ +// 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 "node/_tools/setup.ts". Do not modify this file manually + +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +'use strict'; +const common = require('../common'); +const assert = require('assert'); + +const Readable = require('stream').Readable; + +{ + // First test, not reading when the readable is added. + // make sure that on('readable', ...) triggers a readable event. + const r = new Readable({ + highWaterMark: 3 + }); + + r._read = common.mustNotCall(); + + // This triggers a 'readable' event, which is lost. + r.push(Buffer.from('blerg')); + + setTimeout(function() { + // We're testing what we think we are + assert(!r._readableState.reading); + r.on('readable', common.mustCall()); + }, 1); +} + +{ + // Second test, make sure that readable is re-emitted if there's + // already a length, while it IS reading. + + const r = new Readable({ + highWaterMark: 3 + }); + + r._read = common.mustCall(); + + // This triggers a 'readable' event, which is lost. + r.push(Buffer.from('bl')); + + setTimeout(function() { + // Assert we're testing what we think we are + assert(r._readableState.reading); + r.on('readable', common.mustCall()); + }, 1); +} + +{ + // Third test, not reading when the stream has not passed + // the highWaterMark but *has* reached EOF. + const r = new Readable({ + highWaterMark: 30 + }); + + r._read = common.mustNotCall(); + + // This triggers a 'readable' event, which is lost. + r.push(Buffer.from('blerg')); + r.push(null); + + setTimeout(function() { + // Assert we're testing what we think we are + assert(!r._readableState.reading); + r.on('readable', common.mustCall()); + }, 1); +} + +{ + // Pushing an empty string in non-objectMode should + // trigger next `read()`. + const underlyingData = ['', 'x', 'y', '', 'z']; + const expected = underlyingData.filter((data) => data); + const result = []; + + const r = new Readable({ + encoding: 'utf8', + }); + r._read = function() { + process.nextTick(() => { + if (!underlyingData.length) { + this.push(null); + } else { + this.push(underlyingData.shift()); + } + }); + }; + + r.on('readable', () => { + const data = r.read(); + if (data !== null) result.push(data); + }); + + r.on('end', common.mustCall(() => { + assert.deepStrictEqual(result, expected); + })); +} + +{ + // #20923 + const r = new Readable(); + r._read = function() { + // Actually doing thing here + }; + r.on('data', function() {}); + + r.removeAllListeners(); + + assert.strictEqual(r.eventNames().length, 0); +} |