Some information about JUnit tested projects

[Mohammad Ghafari]

Dear all,

I am wondered to know if BOA can help me to know how many project are JUnit tested? and, how many test cases exist in each of these projects?
I'm interested to count both JUnit 3 and 4. For counting test cases in JUnit 3, it should be enough to consider all public methods whose name starts with "test" keyword, while in JUnit 4 all test methods are annotated with @Test.

Thank you for your help and I'm sure these information can help me better to proceed my research

[Robert Dyer]

Hi Mohammad,

Boa can definitely help you with these queries!  I have actually performed one of them (looking for @Test in JUnit 4) myself for a previous presentation.  Here is that query, slightly modified to answer your more specific question of 'how many projects' use JUnit 4.

http://boa.cs.iastate.edu/boa/?q=boa/job/public/5138

Junit4Projects: output sum of int;

found := false;

visit(input, visitor {
    # only look at the latest snapshot
    before n: CodeRepository -> {
        snapshot := getsnapshot(n);
        foreach (i: int; def(snapshot[i]) && !found)
            visit(snapshot[i]);
        stop;
    }
    before _ -> if (found) stop;
    before n: Modifier ->
        if (n.kind == ModifierKind.ANNOTATION && n.annotation_name == "Test")
            found = true;
});

if (found)
    Junit4Projects << 1;

Hope that helps!

- Robert

[Mohammad Ghafari]

Hi Robert,

Thank you for the query. Yes, I remember a slightly different version of this query which you ran in ICSE. I actually asked it again to complement that query by counting JUnit 3 as well :)

Thanks again

 

On Tue, Aug 5, 2014 at 3:37 AM, Robert Dyer <psy...@gmail.com> wrote:

Hi Mohammad,

Boa can definitely help you with these queries!  I have actually performed one of them (looking for @Test in JUnit 4) myself for a previous presentation.  Here is that query, slightly modified to answer your more specific question of 'how many projects' use JUnit 4.

http://boa.cs.iastate.edu/boa/?q=boa/job/public/5138

Junit4Projects: output sum of int;


found := false;


visit(input, visitor {
 # only look at the latest snapshot
 before n: CodeRepository -> {
 snapshot := getsnapshot(n);
 foreach (i: int; def(snapshot[i]) && !found)
 visit(snapshot[i]);
 stop;
 }
 before _ -> if (found) stop;
    before n: Modifier ->
        if (n.kind == ModifierKind.ANNOTATION && n.annotation_name == "Test")
            found = true;
});


if (found)
    Junit4Projects << 1;

Hope that helps!

- Robert

On Monday, August 4, 2014 6:30:09 PM UTC-4, Mohammad Ghafari wrote:

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Mohammad Ghafari

DeepSE group @ DEIB - Politecnico di Milano
http://home.deib.polimi.it/ghafari