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use strict;
use warnings;
package Test::Deep::HashKeysOnly;
use Test::Deep::Ref;
sub init
{
my $self = shift;
my %keys;
@keys{@_} = ();
$self->{val} = \%keys;
$self->{keys} = [sort @_];
}
sub descend
{
my $self = shift;
my $hash = shift;
my $data = $self->data;
my $exp = $self->{val};
my %got;
@got{keys %$hash} = ();
my @missing;
my @extra;
while (my ($key, $value) = each %$exp)
{
if (exists $got{$key})
{
delete $got{$key};
}
else
{
push(@missing, $key);
}
}
my @diags;
if (@missing and (not $self->ignoreMissing))
{
push(@diags, "Missing: ".nice_list(\@missing));
}
if (%got and (not $self->ignoreExtra))
{
push(@diags, "Extra: ".nice_list([keys %got]));
}
if (@diags)
{
$data->{diag} = join("\n", @diags);
return 0;
}
return 1;
}
sub diagnostics
{
my $self = shift;
my ($where, $last) = @_;
my $type = $self->{IgnoreDupes} ? "Set" : "Bag";
my $error = $last->{diag};
my $diag = <<EOM;
Comparing hash keys of $where
$error
EOM
return $diag;
}
sub nice_list
{
my $list = shift;
return join(", ",
(map {"'$_'"} sort @$list),
);
}
sub ignoreMissing
{
return 0;
}
sub ignoreExtra
{
return 0;
}
package Test::Deep::SuperHashKeysOnly;
use base 'Test::Deep::HashKeysOnly';
sub ignoreMissing
{
return 0;
}
sub ignoreExtra
{
return 1;
}
package Test::Deep::SubHashKeysOnly;
use base 'Test::Deep::HashKeysOnly';
sub ignoreMissing
{
return 1;
}
sub ignoreExtra
{
return 0;
}
1;
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