Bertrand Delacretaz created SLING-3212:
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Summary: JUnit retry Rule, for integration tests mostly
Key: SLING-3212
URL: https://issues.apache.org/jira/browse/SLING-3212
Project: Sling
Issue Type: New Feature
Components: Testing
Reporter: Bertrand Delacretaz
Assignee: Bertrand Delacretaz
Priority: Minor
Some of our integration tests have been randomly failing from time to time, and
with the move to Oak which has slightly different reaction times, especially in
JCR observation, this is a more obvious problem.
Those tests usually assume that changing things in Sling has immediate effects,
and this is not always the case, while uploading or changing scripts or
configurations for example. There might be slight delays which are not
problematic in real use, but can make such tests fail. Retrying the tests, with
a small configurable delay between retries, should take care of those problems.
I'll attach a prototype JUnit Rule that enables test retries by just
instantiating the Rule in the test and adding an @Rule annotation to methods
that need it.
My current plan is to add this Rule to our commons/testing module, and we'll
also need to slightly rework our base test classes to make them usable in
JUnit4-style tests, which is required to use Rules.
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