RFR: 7903930: Support running individual parameterized tests and @Nested test classes [v9]

[Jaikiran Pai]

On Mon, 20 Jan 2025 17:58:09 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> See the JBS issue for an extended problem description.
>> 
>> This PR adds support for running individual parameterized JUnit test methods, as well as nested test classes, by adding a new flavor of query string, prefixed with `junit-select`:
>> 
>> 
>> junit-select:<selector>
>> 
>> 
>> This intends to take direct advantage of JUnits selector string support. The supported selectors are listed in the column on the right in the table here: https://junit.org/junit5/docs/current/user-guide/#running-tests-discovery-selectors
>> 
>> For example, running a method `foo` that takes no parameters could be done using `foo`, just like before. If `foo` has parameters, then for JUnit tests they have to be specified as a comma separated list of binary names. For that we can use the `method` selector. For example:
>> 
>> 
>> junit-select:method:TestDowncallScope#testDowncall(int,java.lang.String,CallGeneratorHelper$Ret,java.util.List,java.util.List)
>> 
>> 
>> This support is intended to be used by the intellij plugin to support running individual methods and nested classes (see https://github.com/openjdk/jtreg/pull/240).
>> 
>> Testing: I've added additional tests for the new cases. I've also been using a PoC of this feature as the basis for similar support in the intellij plugin that I'm working on.
>
> Jorn Vernee has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - fix typo
>  - update FAQ to link to JUnit doc

Hello Jorn, these changes look reasonable to me.

Several of these files will need a copyright year update before integrating.

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Marked as reviewed by jpai (Reviewer).

PR Review: https://git.openjdk.org/jtreg/pull/241#pullrequestreview-2563818756