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https://issues.apache.org/jira/browse/CASSANDRA-15539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17027464#comment-17027464
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Alex Petrov edited comment on CASSANDRA-15539 at 2/5/20 4:47 PM:
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Posting a simplified version of the patch for review/preview:
|[patch|https://github.com/apache/cassandra/pull/437]|[ci|https://circleci.com/gh/ifesdjeen/cassandra/tree/CASSANDRA-15539-trunk-oss]|
A small review guide / what will be different "in real life":
1. To simplify (p)review, {{api}} and {{shared}} packages are still in
Cassanrda repository. In future they will be outside, since this is the whole
point of the patch. I've tried to come up with a guide where one would compile
two repos locally against each other, but that wasn't very friendly, so here we
are.
2. {{migrated}} package contains migrated tests. By the time the patch is
ready, all tests that can be shared between the versions, will be migrated, but
since changes required for migration are mosly mechanical, I thought we can
start before the rest of them are there.
cc [~dcapwell] [~djoshi] [~drohrer] [~mck]
was (Author: ifesdjeen):
cc [~dcapwell] [~djoshi] [~drohrer] [~mck]
> Extract in-jvm API and tests out of Cassandra and into a separate repository
> ----------------------------------------------------------------------------
>
> Key: CASSANDRA-15539
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15539
> Project: Cassandra
> Issue Type: Task
> Components: Test/dtest
> Reporter: Alex Petrov
> Assignee: Alex Petrov
> Priority: Normal
>
> Extract in-jvm DTest _API_ and tests into a separate repository that is
> shared between Cassandra branches. Tests themselves should be buildable using
> just API, which is not the case now, since cluster creation relies on impl
> package, since we do not have factories / constructors in API.
> Main goals we’re trying to achieve:
> 1. We should be able to fail a build on API incompatibility between versions
> 2. Make it as easy as possible to detect break APIs between versions.
> 3. Make development of _tests_ based on in-jvm framework simpler
> 4. Reduce surface area of impact when making modifications to tests
> Potentially, we’d also like to use a plugin to detect API incompatibilities
> between in-jvm DTest API and in-branch implementations, and start running
> tests using shared in-jvm test repository with each existing implementation
> in the branch. This entails both running tests for all branches whenever
> there’s a change in tests jar and running tests for a specific branch
> whenever the branch has changed.
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