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https://issues.apache.org/jira/browse/GEODE-393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16045139#comment-16045139
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Dan Smith commented on GEODE-393:
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It might be fairly easy to add tests for this to FunctionServiceBase to see if
the cache can be obtained in all of the different ways of executing the
function.
> FunctionContext should provide a Cache
> --------------------------------------
>
> Key: GEODE-393
> URL: https://issues.apache.org/jira/browse/GEODE-393
> Project: Geode
> Issue Type: Improvement
> Components: functions
> Reporter: Dan Smith
> Assignee: Dan Smith
> Labels: starter
>
> FunctionContext has methods to get the arguments to the function and the
> result sender, but there is no way to get the Cache or DistributedSystem.
> This means pretty much any function will need to statically look up the cache
> using CacheFactory.getAnyInstance(). While that works, it makes it impossible
> to write unit tests for functions by passing in a mock cache.
> Note that onRegion functions are provided a RegionFunctionContext, which does
> provide these functions with a means to look up the cache, but not all
> functions are applied to a region.
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