summaryrefslogtreecommitdiff
path: root/cli/tests/node_compat/test/parallel/test-stream-readable-reading-readingMore.js
diff options
context:
space:
mode:
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-readable-reading-readingMore.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-readable-reading-readingMore.js')
-rw-r--r--cli/tests/node_compat/test/parallel/test-stream-readable-reading-readingMore.js178
1 files changed, 178 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-stream-readable-reading-readingMore.js b/cli/tests/node_compat/test/parallel/test-stream-readable-reading-readingMore.js
new file mode 100644
index 000000000..d39752d79
--- /dev/null
+++ b/cli/tests/node_compat/test/parallel/test-stream-readable-reading-readingMore.js
@@ -0,0 +1,178 @@
+// 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 = require('stream').Readable;
+
+{
+ const readable = new Readable({
+ read(size) {}
+ });
+
+ const state = readable._readableState;
+
+ // Starting off with false initially.
+ assert.strictEqual(state.reading, false);
+ assert.strictEqual(state.readingMore, false);
+
+ readable.on('data', common.mustCall((data) => {
+ // While in a flowing state with a 'readable' listener
+ // we should not be reading more
+ if (readable.readableFlowing)
+ assert.strictEqual(state.readingMore, true);
+
+ // Reading as long as we've not ended
+ assert.strictEqual(state.reading, !state.ended);
+ }, 2));
+
+ function onStreamEnd() {
+ // End of stream; state.reading is false
+ // And so should be readingMore.
+ assert.strictEqual(state.readingMore, false);
+ assert.strictEqual(state.reading, false);
+ }
+
+ const expectedReadingMore = [true, true, false];
+ readable.on('readable', common.mustCall(() => {
+ // There is only one readingMore scheduled from on('data'),
+ // after which everything is governed by the .read() call
+ assert.strictEqual(state.readingMore, expectedReadingMore.shift());
+
+ // If the stream has ended, we shouldn't be reading
+ assert.strictEqual(state.ended, !state.reading);
+
+ // Consume all the data
+ while (readable.read() !== null);
+
+ if (expectedReadingMore.length === 0) // Reached end of stream
+ process.nextTick(common.mustCall(onStreamEnd, 1));
+ }, 3));
+
+ readable.on('end', common.mustCall(onStreamEnd));
+ readable.push('pushed');
+
+ readable.read(6);
+
+ // reading
+ assert.strictEqual(state.reading, true);
+ assert.strictEqual(state.readingMore, true);
+
+ // add chunk to front
+ readable.unshift('unshifted');
+
+ // end
+ readable.push(null);
+}
+
+{
+ const readable = new Readable({
+ read(size) {}
+ });
+
+ const state = readable._readableState;
+
+ // Starting off with false initially.
+ assert.strictEqual(state.reading, false);
+ assert.strictEqual(state.readingMore, false);
+
+ readable.on('data', common.mustCall((data) => {
+ // While in a flowing state without a 'readable' listener
+ // we should be reading more
+ if (readable.readableFlowing)
+ assert.strictEqual(state.readingMore, true);
+
+ // Reading as long as we've not ended
+ assert.strictEqual(state.reading, !state.ended);
+ }, 2));
+
+ function onStreamEnd() {
+ // End of stream; state.reading is false
+ // And so should be readingMore.
+ assert.strictEqual(state.readingMore, false);
+ assert.strictEqual(state.reading, false);
+ }
+
+ readable.on('end', common.mustCall(onStreamEnd));
+ readable.push('pushed');
+
+ // Stop emitting 'data' events
+ assert.strictEqual(state.flowing, true);
+ readable.pause();
+
+ // paused
+ assert.strictEqual(state.reading, false);
+ assert.strictEqual(state.flowing, false);
+
+ readable.resume();
+ assert.strictEqual(state.reading, false);
+ assert.strictEqual(state.flowing, true);
+
+ // add chunk to front
+ readable.unshift('unshifted');
+
+ // end
+ readable.push(null);
+}
+
+{
+ const readable = new Readable({
+ read(size) {}
+ });
+
+ const state = readable._readableState;
+
+ // Starting off with false initially.
+ assert.strictEqual(state.reading, false);
+ assert.strictEqual(state.readingMore, false);
+
+ const onReadable = common.mustNotCall();
+
+ readable.on('readable', onReadable);
+
+ readable.on('data', common.mustCall((data) => {
+ // Reading as long as we've not ended
+ assert.strictEqual(state.reading, !state.ended);
+ }, 2));
+
+ readable.removeListener('readable', onReadable);
+
+ function onStreamEnd() {
+ // End of stream; state.reading is false
+ // And so should be readingMore.
+ assert.strictEqual(state.readingMore, false);
+ assert.strictEqual(state.reading, false);
+ }
+
+ readable.on('end', common.mustCall(onStreamEnd));
+ readable.push('pushed');
+
+ // We are still not flowing, we will be resuming in the next tick
+ assert.strictEqual(state.flowing, false);
+
+ // Wait for nextTick, so the readableListener flag resets
+ process.nextTick(function() {
+ readable.resume();
+
+ // Stop emitting 'data' events
+ assert.strictEqual(state.flowing, true);
+ readable.pause();
+
+ // paused
+ assert.strictEqual(state.flowing, false);
+
+ readable.resume();
+ assert.strictEqual(state.flowing, true);
+
+ // add chunk to front
+ readable.unshift('unshifted');
+
+ // end
+ readable.push(null);
+ });
+}