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|
# Before `make install' is performed this script should be runnable with
# `make test'. After `make install' it should work as `perl CatHash.t'
#########################
# change 'tests => 1' to 'tests => last_test_to_print';
use strict;
use Benchmark qw(:all);
use Scalar::Util qw(looks_like_number);
no warnings 'uninitialized';
use Test::More tests => 41;
BEGIN { use_ok('DBI') };
# null and undefs -- segfaults?;
is (DBI::_concat_hash_sorted(undef, "=", ":", 0, undef), undef);
is (DBI::_concat_hash_sorted({ }, "=", ":", 0, undef), "");
eval { DBI::_concat_hash_sorted([], "=", ":", 0, undef) };
like ($@ || "", qr/is not a hash reference/);
is (DBI::_concat_hash_sorted({ }, undef, ":", 0, undef), "");
is (DBI::_concat_hash_sorted({ }, "=", undef, 0, undef), "");
is (DBI::_concat_hash_sorted({ }, "=", ":", undef, undef),"");
# simple cases
is (DBI::_concat_hash_sorted({ 1=>"a", 2=>"b" }, "=", ", ", undef, undef), "1='a', 2='b'");
# nul byte in key sep and pair sep
# (nul byte in hash not supported)
is DBI::_concat_hash_sorted({ 1=>"a", 2=>"b" }, "=\000=", ":\000:", undef, undef),
"1=\000='a':\000:2=\000='b'", 'should work with nul bytes in kv_sep and pair_sep';
is DBI::_concat_hash_sorted({ 1=>"a\000a", 2=>"b" }, "=", ":", 1, undef),
"1='a.a':2='b'", 'should work with nul bytes in hash value (neat)';
is DBI::_concat_hash_sorted({ 1=>"a\000a", 2=>"b" }, "=", ":", 0, undef),
"1='a\000a':2='b'", 'should work with nul bytes in hash value (not neat)';
# Simple stress tests
# limit stress when performing automated testing
# eg http://www.nntp.perl.org/group/perl.cpan.testers/2009/06/msg4374116.html
my $stress = $ENV{AUTOMATED_TESTING} ? 1_000 : 10_000;
ok(DBI::_concat_hash_sorted({bob=>'two', fred=>'one' }, "="x$stress, ":", 1, undef));
ok(DBI::_concat_hash_sorted({bob=>'two', fred=>'one' }, "=", ":"x$stress, 1, undef));
ok(DBI::_concat_hash_sorted({map {$_=>undef} (1..1000)}, "="x$stress, ":", 1, undef));
ok(DBI::_concat_hash_sorted({map {$_=>undef} (1..1000)}, "=", ":"x$stress, 1, undef), 'test');
ok(DBI::_concat_hash_sorted({map {$_=>undef} (1..100)}, "="x$stress, ":"x$stress, 1, undef), 'test');
my $simple_hash = {
bob=>"there",
jack=>12,
fred=>"there",
norman=>"there",
# sam =>undef
};
my $simple_numeric = {
1=>"there",
2=>"there",
16 => 'yo',
07 => "buddy",
49 => undef,
};
my $simple_mixed = {
bob=>"there",
jack=>12,
fred=>"there",
sam =>undef,
1=>"there",
32=>"there",
16 => 'yo',
07 => "buddy",
49 => undef,
};
my $simple_float = {
1.12 =>"there",
3.1415926 =>"there",
32=>"there",
1.6 => 'yo',
0.78 => "buddy",
49 => undef,
};
#eval {
# DBI::_concat_hash_sorted($simple_hash, "=",,":",1,12);
#};
ok(1," Unknown sort order");
#like ($@, qr/Unknown sort order/, "Unknown sort order");
## Loopify and Add Neat
my %neats = (
"Neat"=>0,
"Not Neat"=> 1
);
my %sort_types = (
guess=>undef,
numeric => 1,
lexical=> 0
);
my %hashes = (
Numeric=>$simple_numeric,
"Simple Hash" => $simple_hash,
"Mixed Hash" => $simple_mixed,
"Float Hash" => $simple_float
);
for my $sort_type (keys %sort_types){
for my $neat (keys %neats) {
for my $hash (keys %hashes) {
test_concat_hash($hash, $neat, $sort_type);
}
}
}
sub test_concat_hash {
my ($hash, $neat, $sort_type) = @_;
my @args = ($hashes{$hash}, "=", ":",$neats{$neat}, $sort_types{$sort_type});
is (
DBI::_concat_hash_sorted(@args),
_concat_hash_sorted(@args),
"$hash - $neat $sort_type"
);
}
if (0) {
eval {
cmpthese(200_000, {
Perl => sub {_concat_hash_sorted($simple_hash, "=", ":",0,undef); },
C=> sub {DBI::_concat_hash_sorted($simple_hash, "=", ":",0,1);}
});
print "\n";
cmpthese(200_000, {
NotNeat => sub {DBI::_concat_hash_sorted(
$simple_hash, "=", ":",1,undef);
},
Neat => sub {DBI::_concat_hash_sorted(
$simple_hash, "=", ":",0,undef);
}
});
};
}
#CatHash::_concat_hash_values({ }, ":-",,"::",1,1);
sub _concat_hash_sorted {
my ( $hash_ref, $kv_separator, $pair_separator, $use_neat, $num_sort ) = @_;
# $num_sort: 0=lexical, 1=numeric, undef=try to guess
return undef unless defined $hash_ref;
die "hash is not a hash reference" unless ref $hash_ref eq 'HASH';
my $keys = _get_sorted_hash_keys($hash_ref, $num_sort);
my $string = '';
for my $key (@$keys) {
$string .= $pair_separator if length $string > 0;
my $value = $hash_ref->{$key};
if ($use_neat) {
$value = DBI::neat($value, 0);
}
else {
$value = (defined $value) ? "'$value'" : 'undef';
}
$string .= $key . $kv_separator . $value;
}
return $string;
}
sub _get_sorted_hash_keys {
my ($hash_ref, $sort_type) = @_;
if (not defined $sort_type) {
my $sort_guess = 1;
$sort_guess = (not looks_like_number($_)) ? 0 : $sort_guess
for keys %$hash_ref;
$sort_type = $sort_guess;
}
my @keys = keys %$hash_ref;
no warnings 'numeric';
my @sorted = ($sort_type)
? sort { $a <=> $b or $a cmp $b } @keys
: sort @keys;
#warn "$sort_type = @sorted\n";
return \@sorted;
}
1;
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