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|
use strict;
use warnings;
use Carp;
BEGIN {
chdir 't' if -d 't';
@INC = qw(. ../lib);
}
our $db ;
{
chdir 't' if -d 't';
if ( ! -d 'DBM_Filter')
{
mkdir 'DBM_Filter', 0777
or die "Cannot create directory 'DBM_Filter': $!\n" ;
}
}
END { rmdir 'DBM_Filter' }
sub writeFile
{
my $filename = shift ;
my $content = shift;
open F, '>', $filename or croak "Cannot open $filename: $!" ;
print F $content ;
close F;
}
sub runFilter
{
my $name = shift ;
my $filter = shift ;
print "# runFilter $name\n" ;
my $filename = "DBM_Filter/$name.pm";
$filter = "package DBM_Filter::$name ;\n$filter"
unless $filter =~ /^\s*package/ ;
writeFile($filename, $filter);
eval { $db->Filter_Push($name) };
unlink $filename;
return $@;
}
use Test::More;
BEGIN { use_ok('DBM_Filter') };
my $db_file;
BEGIN {
use Config;
foreach (qw/ODBM_File SDBM_File NDBM_File GDBM_File DB_File/) {
if ($Config{extensions} =~ /\b$_\b/) {
$db_file = $_;
last;
}
}
use_ok($db_file);
};
BEGIN { use_ok('Fcntl') };
unlink <errOp_dbmx*>;
END { unlink <errOp_dbmx*>; }
my %h1 = () ;
my %h2 = () ;
$db = tie(%h1, $db_file,'errOp_dbmx', O_RDWR|O_CREAT, 0640) ;
ok $db, "tied to $db_file ok";
# Error cases
eval { $db->Filter_Push() ; };
like $@, qr/^Filter_Push: no parameters present/,
"croak if not parameters passed to Filter_Push";
eval { $db->Filter_Push("unknown_class") ; };
like $@, qr/^Filter_Push: Cannot Load DBM Filter 'DBM_Filter::unknown_class'/,
"croak on unknown class" ;
eval { $db->Filter_Push("Some::unknown_class") ; };
like $@, qr/^Filter_Push: Cannot Load DBM Filter 'Some::unknown_class'/,
"croak on unknown fully qualified class" ;
eval { $db->Filter_Push('Store') ; };
like $@, qr/^Filter_Push: not even params/,
"croak if not passing even number or params to Filter_Push";
runFilter('bad1', <<'EOM');
package DBM_Filter::bad1 ;
1;
EOM
like $@, qr/^Filter_Push: No methods \(Filter, Fetch or Store\) found in class 'DBM_Filter::bad1'/,
"croak if none of Filter/Fetch/Store in filter" ;
runFilter('bad2', <<'EOM');
package DBM_Filter::bad2 ;
sub Filter
{
return 2;
}
1;
EOM
like $@, qr/^Filter_Push: 'DBM_Filter::bad2::Filter' did not return a hash reference./,
"croak if Filter doesn't return hash reference" ;
runFilter('bad3', <<'EOM');
package DBM_Filter::bad3 ;
sub Filter
{
return { BadKey => sub { } } ;
}
1;
EOM
like $@, qr/^Filter_Push: Unknown key 'BadKey'/,
"croak if bad keyword returned from Filter";
runFilter('bad4', <<'EOM');
package DBM_Filter::bad4 ;
sub Filter
{
return { Store => "abc" } ;
}
1;
EOM
like $@, qr/^Filter_Push: value associated with key 'Store' is not a code reference/,
"croak if not a code reference";
runFilter('bad5', <<'EOM');
package DBM_Filter::bad5 ;
sub Filter
{
return { } ;
}
1;
EOM
like $@, qr/^Filter_Push: expected both Store & Fetch - got neither/,
"croak if neither fetch or store is present";
runFilter('bad6', <<'EOM');
package DBM_Filter::bad6 ;
sub Filter
{
return { Store => sub {} } ;
}
1;
EOM
like $@, qr/^Filter_Push: expected both Store & Fetch - got Store/,
"croak if store is present but fetch isn't";
runFilter('bad7', <<'EOM');
package DBM_Filter::bad7 ;
sub Filter
{
return { Fetch => sub {} } ;
}
1;
EOM
like $@, qr/^Filter_Push: expected both Store & Fetch - got Fetch/,
"croak if fetch is present but store isn't";
runFilter('bad8', <<'EOM');
package DBM_Filter::bad8 ;
sub Filter {}
sub Store {}
sub Fetch {}
1;
EOM
like $@, qr/^Filter_Push: Can't mix Filter with Store and Fetch in class 'DBM_Filter::bad8'/,
"croak if Fetch, Store and Filter";
runFilter('bad9', <<'EOM');
package DBM_Filter::bad9 ;
sub Filter {}
sub Store {}
1;
EOM
like $@, qr/^Filter_Push: Can't mix Filter with Store and Fetch in class 'DBM_Filter::bad9'/,
"croak if Store and Filter";
runFilter('bad10', <<'EOM');
package DBM_Filter::bad10 ;
sub Filter {}
sub Fetch {}
1;
EOM
like $@, qr/^Filter_Push: Can't mix Filter with Store and Fetch in class 'DBM_Filter::bad10'/,
"croak if Fetch and Filter";
runFilter('bad11', <<'EOM');
package DBM_Filter::bad11 ;
sub Fetch {}
1;
EOM
like $@, qr/^Filter_Push: Missing method 'Store' in class 'DBM_Filter::bad11'/,
"croak if Fetch but no Store";
runFilter('bad12', <<'EOM');
package DBM_Filter::bad12 ;
sub Store {}
1;
EOM
like $@, qr/^Filter_Push: Missing method 'Fetch' in class 'DBM_Filter::bad12'/,
"croak if Store but no Fetch";
undef $db;
{
use warnings FATAL => 'untie';
eval { untie %h1 };
is $@, '', "untie without inner references" ;
}
done_testing();
|
