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https://issues.apache.org/jira/browse/GEODE-1965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15836494#comment-15836494
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ASF subversion and git services commented on GEODE-1965:
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Commit be8db8b7b13e288b3daa459b039acb5438fb2883 in geode's branch
refs/heads/develop from [~bschuchardt]
[ https://git-wip-us.apache.org/repos/asf?p=geode.git;h=be8db8b ]
GEODE-1965 Create backward-compatibility unit test framework
See
https://cwiki.apache.org/confluence/display/GEODE/Writing+Backward-compatibility+DUnit+tests
This extends the distributed unit test framework to allow you to boot a
VM running an older version of Geode. Using this extension you can create
rolling upgrade tests, client/server interoperability tests, persistent
store upgrade tests and so on.
VM numbering has not changed. If you request that a VM use a certain
version of GEODE it will be bounced if necessary and its classpath modified
to point to that version. The VM will continue to use that version until
bounced to a different version or the next test class is started. All
VMs are moved to the current version at the beginning of a new test class.
Console output from versioned VMs will contain the symbolic version in use
by the VM, such as "[vm0_v100]" to help you know it is running a different
version of GEODE.
Tests are all compiled with the current Geode code, so if there are API
changes you must use reflection in order to invoke the old versions of
the API. RollingUpgradeDUnitTests shows how to do this.
ClientServerMiscBCDUnitTest shows how to subclass an existing class to
make it run with multiple versions of Geode. In this case the clients
are parameterized to run with older versions while servers are held to
the current version.
I will be opening a few tickets to track problems I have already encountered
with these tests.
> Create backward-compatibility unit test framework
> -------------------------------------------------
>
> Key: GEODE-1965
> URL: https://issues.apache.org/jira/browse/GEODE-1965
> Project: Geode
> Issue Type: Test
> Components: tests
> Reporter: Bruce Schuchardt
> Assignee: Bruce Schuchardt
> Fix For: 1.1.0
>
>
> We need a framework for integration testing clients/WAN from old versions
> with new versions to ensure that we haven't broken anything.
> The framework should fit in with our existing unit test framework, if
> possible. For example, it should be possible to create a cluster of
> current-version servers and then have another JVM running an older version
> interact with those servers.
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