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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-pipe-unpipe-streams.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-pipe-unpipe-streams.js')
-rw-r--r-- | cli/tests/node_compat/test/parallel/test-stream-pipe-unpipe-streams.js | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-stream-pipe-unpipe-streams.js b/cli/tests/node_compat/test/parallel/test-stream-pipe-unpipe-streams.js new file mode 100644 index 000000000..3c3f19bd4 --- /dev/null +++ b/cli/tests/node_compat/test/parallel/test-stream-pipe-unpipe-streams.js @@ -0,0 +1,103 @@ +// 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 + +'use strict'; +const common = require('../common'); +const assert = require('assert'); + +const { Readable, Writable } = require('stream'); + +const source = Readable({ read: () => {} }); +const dest1 = Writable({ write: () => {} }); +const dest2 = Writable({ write: () => {} }); + +source.pipe(dest1); +source.pipe(dest2); + +dest1.on('unpipe', common.mustCall()); +dest2.on('unpipe', common.mustCall()); + +assert.strictEqual(source._readableState.pipes[0], dest1); +assert.strictEqual(source._readableState.pipes[1], dest2); +assert.strictEqual(source._readableState.pipes.length, 2); + +// Should be able to unpipe them in the reverse order that they were piped. + +source.unpipe(dest2); + +assert.deepStrictEqual(source._readableState.pipes, [dest1]); +assert.notStrictEqual(source._readableState.pipes, dest2); + +dest2.on('unpipe', common.mustNotCall()); +source.unpipe(dest2); + +source.unpipe(dest1); + +assert.strictEqual(source._readableState.pipes.length, 0); + +{ + // Test `cleanup()` if we unpipe all streams. + const source = Readable({ read: () => {} }); + const dest1 = Writable({ write: () => {} }); + const dest2 = Writable({ write: () => {} }); + + let destCount = 0; + const srcCheckEventNames = ['end', 'data']; + const destCheckEventNames = ['close', 'finish', 'drain', 'error', 'unpipe']; + + const checkSrcCleanup = common.mustCall(() => { + assert.strictEqual(source._readableState.pipes.length, 0); + assert.strictEqual(source._readableState.flowing, false); + + srcCheckEventNames.forEach((eventName) => { + assert.strictEqual( + source.listenerCount(eventName), 0, + `source's '${eventName}' event listeners not removed` + ); + }); + }); + + function checkDestCleanup(dest) { + const currentDestId = ++destCount; + source.pipe(dest); + + const unpipeChecker = common.mustCall(() => { + assert.deepStrictEqual( + dest.listeners('unpipe'), [unpipeChecker], + `destination{${currentDestId}} should have a 'unpipe' event ` + + 'listener which is `unpipeChecker`' + ); + dest.removeListener('unpipe', unpipeChecker); + destCheckEventNames.forEach((eventName) => { + assert.strictEqual( + dest.listenerCount(eventName), 0, + `destination{${currentDestId}}'s '${eventName}' event ` + + 'listeners not removed' + ); + }); + + if (--destCount === 0) + checkSrcCleanup(); + }); + + dest.on('unpipe', unpipeChecker); + } + + checkDestCleanup(dest1); + checkDestCleanup(dest2); + source.unpipe(); +} + +{ + const src = Readable({ read: () => {} }); + const dst = Writable({ write: () => {} }); + src.pipe(dst); + src.on('resume', common.mustCall(() => { + src.on('pause', common.mustCall()); + src.unpipe(dst); + })); +} |