Software Testing

Software Testing
Wallace Reis | wreis
Tuesday, October 08, 2013

Development
processes

Perl Testing?

CPAN:
*modules;
*frameworks;
*and toolkits;

Testing methods

Black-box

Input Output

use strict;
use warnings;
use Test::More;
use_ok 'Module';
ok(my $test = Module->new);
ok($test->sum(1,2) == 3);
ok($test->sum(3,2) == 5);
done_testing;

White-box

sub sum {
my ( $self, $x, $y ) = @_;
return undef
unless defined $x && defined $y;
if ( $x == 0 ) {
return $y;
}
elsif ( $y == 0 ) {
return $x;
}
else {
return $x + $y;
}
}

use strict;
use warnings;
use Test::More;
use_ok 'Module';
ok(my $test = Module->new);
ok($test->sum(0,2) == 2);
ok($test->sum(1,0) == 1);
ok(!$test->sum(1));
ok(!$test->sum());
done_testing;

Testing levels

Unit

use strict;
use warnings;
use Test::More;
my $search_comp;
BEGIN {
use_ok 'I5::123people::Website';
$search_comp = 'I5::123people::Website::Model::Search';
use_ok $search_comp;
}
foreach my $source ( qw{http://foo.bar.com https://foo.bar.com/
ftp://foo.bar.com ftps://foo.bar.com/ ftp://wreis@foo.bar.com/
ftp://wreis:passwd@foo.bar.com/}
) {
is($search_comp->extract_domain($source), 'foo.bar.com');
}
# ...
done_testing;

Mock objects
and
Method stubs

use strict;
use warnings;
use Test::More;
use MooseX::Declare;
my $class = class extends Catalyst::Model
with Catalyst::Component::InstancePerRequest
{
has balance => ( ... );
method deposit (Num $amount) {
$self->balance( $self->balance + $amount );
}
method get_session_id { return ‘maow98ua92’ }
};
ok($class->name->new);
my $role = role { ... };
#...
done_testing;

Integration

use strict;
use warnings;
use Test::More;
use Test::WWW:::Mechanize;
my $data = {
name => 'MyFoo',
description => 'MyFoo é uma...',
};
my $mech = Test::WWW::Mechanize->new;
$mech->get_ok('/foo');
$mech->submit_form_ok({
with_fields => $data,
button => 'submit',
}, 'form submit...');
$mech->content_contains($data->{$_})
for qw/name description/;
# ...
done_testing;

Regression

Acceptance

use strict;
use warnings;
use Test::More;
use lib 't/lib';
use PeopleTest;
my $people_test = PeopleTest->new;
$people_test->log_disable('error');
my $mech = $people_test->get_mech;
check_error_400('/a8i2k282543jwd09awdj', 404);
check_error_400('/page/a8i2k282543jwd09awdj', 404);
sub check_error_400 {
my ( $path, $code ) = @_;
my $res = $mech->get($path);
ok($res->code == $code) or diag($res->code);
is($res->header('Pragma'), 'no-cache');
is($res->header('Cache-Control'), 'no-cache');
ok(defined $res->header('X-Robots-Tag'));
like($res->content, qr{meta.*robots.*noindex}i);
}
done_testing;

User acceptance

Platform

$ CATALYST_SERVER=‘http://
localhost:3000/’ prove -lr t
$ CATALYST_SERVER=‘http://www.
123people.biz/’ prove -lr t
$ CATALYST_SERVER=‘http://www.
123people.com/’ prove -lr t

Coverage

Devel::Cover

More info...

Thank you!
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