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authorYoshiya Hinosawa <stibium121@gmail.com>2023-02-21 00:35:04 +0900
committerGitHub <noreply@github.com>2023-02-20 16:35:04 +0100
commit6915a9b7a701dde0e1078867961c9a91811c1850 (patch)
treee6822f2b8400c7c7941d3cb9ace59842389b5bc9 /cli/tests/node_compat/test/parallel/test-stream-pipe-unpipe-streams.js
parenta1cd2a5915c13f6a9b8eafa3807e143a02616bc1 (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.js103
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);
+ }));
+}