[Buildroot] [PATCH 02/12] microperl: how to test it ?

[François Perrad]

rem1: microperl is not fully supported by the Perl community.
the build in Perl 5.16 serie is broken, see
http://www.nntp.perl.org/group/perl.perl5.porters/2012/08/msg190323.html
people ask about its interest, see
http://www.nntp.perl.org/group/perl.perl5.porters/2012/08/msg190422.html

rem2: in this commit, I introduce a testing scheme, and I reuse it for
perl & miniperl packages.
I want a reproducible and documented recipe for run the
perl/miniperl/microerl test suite.

2012/8/15 Thomas Petazzoni <thomas.petazzoni at free-electrons.com>:
> Le Wed, 15 Aug 2012 16:38:24 +0200,
> Francois Perrad <fperrad at gmail.com> a écrit :
>
>> +ifdef BR2_PACKAGE_MICROPERL_INSTALL_TESTSUITE
>> +define MICROPERL_INSTALL_TESTSUITE
>> +     $(INSTALL) -m644 -D $(@D)/t/TEST                $(TARGET_DIR)/root/microperl/t/TEST
>
> Isn't this one a script that should be installed 755?

Intentional. The help string in Config.in describes how to run the test suite.

>
>> +     $(INSTALL) -m644 -D $(@D)/t/harness             $(TARGET_DIR)/root/microperl/t/harness
>> +     cp -r $(@D)/lib         $(TARGET_DIR)/root/microperl/lib
>> +     cp -r $(@D)/t/base      $(TARGET_DIR)/root/microperl/t/base
>> +     cp -r $(@D)/t/cmd       $(TARGET_DIR)/root/microperl/t/cmd
>
> Is /root/ really the right place to install this? Isn't
> some /usr/share/perl/ or /usr/lib/perl/ a better place?

On host-dev, testing in done in the build tree, so the test suite is
never installed.
With cross-dev, a part of the build tree must be copied on target in
order to run test; but you do this only during porting or debugging
the package.
I choice the /root directory, because it is an unusual location. If
you find these files in /root directory in a final image, you see your
mistake.
I do not want to pollute /usr with test suite.
(I try the /tmp directory, but it doesn't work)

>
>> +     echo "BEGIN { chdir 't' if -d 't'; @INC = ('../lib', '.'); } 1;" > $(TARGET_DIR)/root/microperl/TestInit.pm
>
> I think I would prefer a TestInit.pm file added in package/microperl/
> rather than echo'ing it here.

TestInit.pm is a preamble for each test, and a 'standard' version is
included in the Perl distribution.
But this 'standard' version is too convoluted (for all OS, for the
whole test suite).
This one-liner version is enough for microperl test suite and make
debugging more easy.

I don't want a patch which will never merged in upstream.

François

>
> Thanks!
>
> Thomas
> --
> Thomas Petazzoni, Free Electrons
> Kernel, drivers, real-time and embedded Linux
> development, consulting, training and support.
> http://free-electrons.com
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