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Fix #1870: TypeError in PubSub (#2016)

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* Fix #1870: TypeError in PubSub

* Add test

This test is for a race condition; it should reliably pass now,
but is not guaranteed to fail with the previous version.
This commit is contained in:
John Hiesey
2022-03-07 04:27:04 -08:00
committed by GitHub
parent 88586048e1
commit f79e14c8c3
2 changed files with 17 additions and 1 deletions
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3
packages/client/lib/client/commands-queue.ts
View File

@@ -369,7 +369,8 @@ export default class RedisCommandsQueue {
#setReturnBuffers() {
this.#parser.setReturnBuffers(
!!this.#waitingForReply.head?.value.returnBuffers ||
!!this.#pubSubState?.subscribed
!!this.#pubSubState?.subscribed ||
!!this.#pubSubState?.subscribing
);
}

15
packages/client/lib/client/index.spec.ts
View File

@@ -683,6 +683,21 @@ describe('Client', () => {
}
}, GLOBAL.SERVERS.OPEN);
testUtils.testWithClient('should not fail when message arrives right after subscribe', async publisher => {
const subscriber = publisher.duplicate();
await subscriber.connect();
try {
await assert.doesNotReject(Promise.all([
subscriber.subscribe('channel', () => {}),
publisher.publish('channel', 'message')
]));
} finally {
await subscriber.disconnect();
}
}, GLOBAL.SERVERS.OPEN);
testUtils.testWithClient('should be able to quit in PubSub mode', async client => {
await client.subscribe('channel', () => {
// noop