[Bioperl-l] New testing base: BioperlTest.pm

[Hilmar Lapp]

Very cool! Sounds like a no-brainer to me to adopt this in all the  
tests. -hilmar

On Jun 20, 2007, at 11:38 AM, Sendu Bala wrote:

> In considering updating all the test scripts to take advantage of the
> new network option, and/or reimplementing them in Test::More, I  
> thought
> now would be a good time to standardize all the test scripts and  
> reduce
> the possibility of having to alter them all in the future if something
> changes.
>
> For example we could decide on an alternate way of choosing to run
> network tests, or a new way of deciding to output debug information.
> There are also some inconsistencies in the messages produced by tests
> skipping all, and even an unfortunate mistake that has been copy/ 
> pasted
> through a lot of test scripts.
>
> My solution is t/lib/BioperlTest.pm (documented with perldoc)
>
> We go from this:
>
> ----
> use strict;
> our $DEBUG;
>
> BEGIN {
>    $DEBUG = $ENV{'BIOPERLDEBUG'} || 0;
> 	
>    eval { require Test::More; };
>    if( $@ ) {
>      use lib 't/lib';
>    }
>    use Test::More; # the mistake!
> 	
>    use Module::Build;
>    my $build = Module::Build->current();
>    my $do_network_tests = $build->notes('network');
>
>    eval {
>      require IO::String;
>      require LWP;
>      require LWP::UserAgent;
>    };
>    if ($@) {
>      plan skip_all => 'IO::String or LWP or LWP::UserAgentnot  
> installed.
> This means Bio::Tools::Run::RemoteBlast is not usable. Skipping  
> tests';
>    }
>    elsif (!$do_network_tests) {
>      plan skip_all => 'Network tests have not been requested, skipping
> all';
>    }
>    else {
>      plan tests => 21;
>    }
>
>    #...
> }
>
> my $obj = Bio::Object->new(-verbose => $DEBUG);
> #...
> ----
>
> To this:
>
> ----
> use strict;
>
> BEGIN {
>    use lib 't/lib';
>    use BioperlTest;
>
>    test_begin(-requires_modules => [qw(IO::String LWP  
> LWP::UserAgent)],
>               -requires_networking => 1,
>               -tests => 21);
>
>    #...
> }
>
> my $obj = Bio::Object->new(-verbose => test_debug());
> #...
> ----
>
>
> Can anyone identify problems with this approach? Is the interface
> presented by BioperlTest flexible enough that any changes would  
> only be
> additions for new functionality (and therefore all test scripts  
> wouldn't
> need to be altered)? Is BioperlTest missing anything you'd like?
>
> Are there any objections to me updating all tests in this manner?  
> For an
> example, see t/RemoteBlast.t
>
>
> Cheers,
> Sendu.
> _______________________________________________
> Bioperl-l mailing list
> Bioperl-l at lists.open-bio.org
> http://lists.open-bio.org/mailman/listinfo/bioperl-l

-- 
===========================================================
: Hilmar Lapp  -:-  Durham, NC  -:-  hlapp at gmx dot net :
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