There was a bug in apply_event code where only a stream which is not private is added to the "never_subscribed" data after a stream creation event. Instead, it should be added to the "never_subscribed" data irrespective of permission policy of the stream as we already send stream creation events only to those users who can access the stream. Due to the current bug, private streams were not being added to "never_subscribed" data in apply_event for admins as well. This commit fixes it and also makes sure the "never_subscribed" list is sorted which was not done before and was also a bug. The bugs mentioned above were unnoticed as the tests did not cover these cases and this commit also adds tests for those cases.
Zulip overview
Zulip is an open-source team collaboration tool with unique topic-based threading that combines the best of email and chat to make remote work productive and delightful. Fortune 500 companies, leading open source projects, and thousands of other organizations use Zulip every day. Zulip is the only modern team chat app that is designed for both live and asynchronous conversations.
Zulip is built by a distributed community of developers from all around the world, with 74+ people who have each contributed 100+ commits. With over 1000 contributors merging over 500 commits a month, Zulip is the largest and fastest growing open source team chat project.
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Getting started
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Contributing code. Check out our guide for new contributors to get started. We have invested in making Zulip’s code highly readable, thoughtfully tested, and easy to modify. Beyond that, we have written an extraordinary 150K words of documentation for Zulip contributors.
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Checking Zulip out. The best way to see Zulip in action is to drop by the Zulip community server. We also recommend reading about Zulip's unique approach to organizing conversations.
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Participating in outreach programs like Google Summer of Code and Outreachy.
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Zulip is distributed under the Apache 2.0 license.