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#!/usr/bin/perl
use v5.22;
use warnings;
use Test2::V0;
use lib "t";
use testcase "t::test", qw( test_constraint );
use Data::Checks qw( Maybe Any All Str Object NumGE NumLE );
# Maybe
test_constraint 'Maybe(Str)' => Maybe(Str),
[
'undef' => undef,
'plain string' => "a string",
'plain integer' => 1234,
];
# Any
test_constraint 'Any(Str, Object)' => Any(Str, Object),
[
'plain string' => "a string",
'plain integer' => 1234,
'object' => BaseClass->new,
];
# All(C...)
# behaves a bit like NumRange()
test_constraint 'All(NumGE(0), NumLE(10))' => All(NumGE(0), NumLE(10)),
[
'zero' => 0,
'ten' => 10,
],
[
'20' => 20,
];
# All() empty
test_constraint 'All' => All,
[
'undef' => undef,
'plain string' => "a string",
'plain integer' => 1234,
'plain arrayref' => [],
'plain hashref' => {},
'plain coderef' => sub {},
'object', => BaseClass->new,
];
is( Data::Checks::Debug::stringify_constraint( Maybe(Str) ), "Maybe(Str)",
'debug stringify Maybe(Str)' );
is( Data::Checks::Debug::stringify_constraint( Any(Str, Object) ), "Any(Str, Object)",
'debug stringify Any(Str, Object)' );
is( Data::Checks::Debug::stringify_constraint( All(Str, Object) ), "All(Str, Object)",
'debug stringify All(Str, Object)' );
is( Data::Checks::Debug::stringify_constraint( All() ), "All",
'debug stringify All()' );
# Any() or All() of 1 item might as well just be the thing
is( Data::Checks::Debug::stringify_constraint( Any(Str) ), "Str",
'debug stringify Any(Str)' );
is( Data::Checks::Debug::stringify_constraint( All(Str) ), "Str",
'debug stringify All(Str)' );
# Flatten trees of nested Any/Any or All/All
is( Data::Checks::Debug::stringify_constraint( Any(Str, Any(Str, Str)) ), "Any(Str, Str, Str)",
'debug stringify Any(Str, Any(Str, Str))' );
is( Data::Checks::Debug::stringify_constraint( All(Str, All(Str, Str)) ), "All(Str, Str, Str)",
'debug stringify All(Str, All(Str, Str))' );
# Infix | operator acts like Any()
is( Data::Checks::Debug::stringify_constraint( Str|Object ), "Any(Str, Object)",
'debug stringify Str|Object' );
is( Data::Checks::Debug::stringify_constraint( Str|Str|Str ), "Any(Str, Str, Str)",
'debug stringify Str|Str|Str' );
done_testing;
|
