File: 14_policy_parameter_behavior_enumeration.t

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#!perl

use 5.010001;
use strict;
use warnings;

use English qw(-no_match_vars);

use Perl::Critic::Policy;
use Perl::Critic::PolicyParameter;

use Test::More tests => 24;

our $VERSION = '1.156';

use Perl::Critic::TestUtils;
Perl::Critic::TestUtils::assert_version( $VERSION );

my $specification;
my $parameter;
my %config;
my $policy;

$specification =
    {
        name        => 'test',
        description => 'An enumeration parameter for testing',
        behavior    => 'enumeration',
    };


eval { $parameter = Perl::Critic::PolicyParameter->new($specification); };
like(
    $EVAL_ERROR,
    qr/\b enumeration_values \b/xms,
    'exception thrown for missing enumeration_values'
);

$specification->{enumeration_values} = 'cranberries';
eval { $parameter = Perl::Critic::PolicyParameter->new($specification); };
like(
    $EVAL_ERROR,
    qr/\b enumeration_values \b/xms,
    'exception thrown for enumeration_values not being an array reference'
);

$specification->{enumeration_values} = [ ];
eval { $parameter = Perl::Critic::PolicyParameter->new($specification); };
like(
    $EVAL_ERROR,
    qr/\b enumeration_values \b/xms,
    'exception thrown for enumeration_values not having at least two elements'
);

$specification->{enumeration_values} = [ qw{ cranberries } ];
eval { $parameter = Perl::Critic::PolicyParameter->new($specification); };
like(
    $EVAL_ERROR,
    qr/\b enumeration_values \b/xms,
    'exception thrown for enumeration_values not having at least two elements'
);


$specification->{enumeration_values} = [ qw{ mercury gemini apollo } ];

$parameter = Perl::Critic::PolicyParameter->new($specification);
$policy = Perl::Critic::Policy->new();
$parameter->parse_and_validate_config_value($policy, \%config);
is($policy->{_test}, undef, q{no value, no default});

$policy = Perl::Critic::Policy->new();
$config{test} = 'gemini';
$parameter->parse_and_validate_config_value($policy, \%config);
is($policy->{_test}, 'gemini', q{'gemini', no default});

$policy = Perl::Critic::Policy->new();
$config{test} = 'easter_bunny';
eval {$parameter->parse_and_validate_config_value($policy, \%config); };
ok($EVAL_ERROR, q{invalid value});

$specification->{default_string} = 'apollo';
delete $config{test};

$parameter = Perl::Critic::PolicyParameter->new($specification);
$policy = Perl::Critic::Policy->new();
$parameter->parse_and_validate_config_value($policy, \%config);
is($policy->{_test}, 'apollo', q{no value, default 'apollo'});

$policy = Perl::Critic::Policy->new();
$config{test} = 'gemini';
$parameter->parse_and_validate_config_value($policy, \%config);
is($policy->{_test}, 'gemini', q{'gemini', default 'apollo'});


delete $specification->{default_string};
$specification->{enumeration_values} = [ qw{ moore gaiman ellis miller } ];
$specification->{enumeration_allow_multiple_values} = 1;
delete $config{test};

my $values;

$parameter = Perl::Critic::PolicyParameter->new($specification);
$policy = Perl::Critic::Policy->new();
$parameter->parse_and_validate_config_value($policy, \%config);
$values = $policy->{_test};
is( scalar( keys %{$values} ), 0, q{no value, no default} );

$policy = Perl::Critic::Policy->new();
$config{test} = 'moore';
$parameter->parse_and_validate_config_value($policy, \%config);
$values = $policy->{_test};
is( scalar( keys %{$values} ), 1, q{'moore', no default} );
ok( $values->{moore}, q{'moore', no default} );

$policy = Perl::Critic::Policy->new();
$config{test} = 'gaiman miller';
$parameter->parse_and_validate_config_value($policy, \%config);
$values = $policy->{_test};
is( scalar( keys %{$values} ), 2, q{'gaiman miller', no default} );
ok( $values->{gaiman}, q{'gaiman miller', no default} );
ok( $values->{miller}, q{'gaiman miller', no default} );

$policy = Perl::Critic::Policy->new();
$config{test} = 'leeb';
eval {$parameter->parse_and_validate_config_value($policy, \%config); };
ok($EVAL_ERROR, q{invalid value});

$specification->{default_string} = 'ellis miller';
delete $config{test};

$parameter = Perl::Critic::PolicyParameter->new($specification);
$policy = Perl::Critic::Policy->new();
$parameter->parse_and_validate_config_value($policy, \%config);
$values = $policy->{_test};
is( scalar( keys %{$values} ), 2, q{no value, default 'ellis miller'} );
ok( $values->{ellis}, q{no value, default 'ellis miller'} );
ok( $values->{miller}, q{no value, default 'ellis miller'} );

$policy = Perl::Critic::Policy->new();
$config{test} = 'moore';
$parameter->parse_and_validate_config_value($policy, \%config);
$values = $policy->{_test};
is( scalar( keys %{$values} ), 1, q{'moore', default 'ellis miller'} );
ok( $values->{moore}, q{'moore', default 'ellis miller'} );

$policy = Perl::Critic::Policy->new();
$config{test} = 'gaiman miller';
$parameter->parse_and_validate_config_value($policy, \%config);
$values = $policy->{_test};
is( scalar( keys %{$values} ), 2, q{'gaiman miller', default 'ellis miller'} );
ok( $values->{gaiman}, q{'gaiman miller', default 'ellis miller'} );
ok( $values->{miller}, q{'gaiman miller', default 'ellis miller'} );

###############################################################################
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#   c-indentation-style: bsd
# End:
# ex: set ts=8 sts=4 sw=4 tw=78 ft=perl expandtab shiftround :