File: DelimitedStr.t

package info (click to toggle)
libtype-tiny-perl 2.002001-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 3,948 kB
  • sloc: perl: 14,610; makefile: 2; sh: 1
file content (178 lines) | stat: -rw-r--r-- 6,969 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
=pod

=encoding utf-8

=head1 PURPOSE

Basic tests for B<DelimitedStr> from L<Types::Common::String>.

=head1 AUTHOR

Toby Inkster E<lt>tobyink@cpan.orgE<gt>.

=head1 COPYRIGHT AND LICENCE

This software is copyright (c) 2022-2023 by Toby Inkster.

This is free software; you can rediDelimitedStribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut

use strict;
use warnings;
use Test::More;
use Test::Fatal;
use Test::TypeTiny;
use Types::Common::String qw( DelimitedStr );

isa_ok(DelimitedStr, 'Type::Tiny', 'DelimitedStr');
is(DelimitedStr->name, 'DelimitedStr', 'DelimitedStr has correct name');
is(DelimitedStr->display_name, 'DelimitedStr', 'DelimitedStr has correct display_name');
is(DelimitedStr->library, 'Types::Common::String', 'DelimitedStr knows it is in the Types::Common::String library');
ok(Types::Common::String->has_type('DelimitedStr'), 'Types::Common::String knows it has type DelimitedStr');
ok(!DelimitedStr->deprecated, 'DelimitedStr is not deprecated');
ok(!DelimitedStr->is_anon, 'DelimitedStr is not anonymous');
ok(DelimitedStr->can_be_inlined, 'DelimitedStr can be inlined');
is(exception { DelimitedStr->inline_check(q/$xyz/) }, undef, "Inlining DelimitedStr doesn't throw an exception");
ok(DelimitedStr->has_coercion, "DelimitedStr has a coercion");
ok(DelimitedStr->is_parameterizable, "DelimitedStr is parameterizable");
is(DelimitedStr->type_default, undef, "DelimitedStr has a type_default");

#
# The @tests array is a list of triples:
#
# 1. Expected result - pass, fail, or xxxx (undefined).
# 2. A description of the value being tested.
# 3. The value being tested.
#

my @tests = (
	fail => 'undef'                    => undef,
	pass => 'false'                    => !!0,
	pass => 'true'                     => !!1,
	pass => 'zero'                     =>  0,
	pass => 'one'                      =>  1,
	pass => 'negative one'             => -1,
	pass => 'non integer'              =>  3.1416,
	pass => 'empty string'             => '',
	pass => 'whitespace'               => ' ',
	pass => 'line break'               => "\n",
	pass => 'random string'            => 'abc123',
	pass => 'loaded package name'      => 'Type::Tiny',
	pass => 'unloaded package name'    => 'This::Has::Probably::Not::Been::Loaded',
	fail => 'a reference to undef'     => do { my $x = undef; \$x },
	fail => 'a reference to false'     => do { my $x = !!0; \$x },
	fail => 'a reference to true'      => do { my $x = !!1; \$x },
	fail => 'a reference to zero'      => do { my $x = 0; \$x },
	fail => 'a reference to one'       => do { my $x = 1; \$x },
	fail => 'a reference to empty string' => do { my $x = ''; \$x },
	fail => 'a reference to random string' => do { my $x = 'abc123'; \$x },
	fail => 'blessed scalarref'        => bless(do { my $x = undef; \$x }, 'SomePkg'),
	fail => 'empty arrayref'           => [],
	fail => 'arrayref with one zero'   => [0],
	fail => 'arrayref of integers'     => [1..10],
	fail => 'arrayref of numbers'      => [1..10, 3.1416],
	fail => 'blessed arrayref'         => bless([], 'SomePkg'),
	fail => 'empty hashref'            => {},
	fail => 'hashref'                  => { foo => 1 },
	fail => 'blessed hashref'          => bless({}, 'SomePkg'),
	fail => 'coderef'                  => sub { 1 },
	fail => 'blessed coderef'          => bless(sub { 1 }, 'SomePkg'),
	fail => 'glob'                     => do { no warnings 'once'; *SOMETHING },
	fail => 'globref'                  => do { no warnings 'once'; my $x = *SOMETHING; \$x },
	fail => 'blessed globref'          => bless(do { no warnings 'once'; my $x = *SOMETHING; \$x }, 'SomePkg'),
	fail => 'regexp'                   => qr/./,
	fail => 'blessed regexp'           => bless(qr/./, 'SomePkg'),
	fail => 'filehandle'               => do { open my $x, '<', $0 or die; $x },
	fail => 'filehandle object'        => do { require IO::File; 'IO::File'->new($0, 'r') },
	fail => 'ref to scalarref'         => do { my $x = undef; my $y = \$x; \$y },
	fail => 'ref to arrayref'          => do { my $x = []; \$x },
	fail => 'ref to hashref'           => do { my $x = {}; \$x },
	fail => 'ref to coderef'           => do { my $x = sub { 1 }; \$x },
	fail => 'ref to blessed hashref'   => do { my $x = bless({}, 'SomePkg'); \$x },
	fail => 'object string to ""'      => do { package Local::OL::StringEmpty; use overload q[""] => sub { "" }; bless [] },
	fail => 'object string to "1"'     => do { package Local::OL::StringOne; use overload q[""] => sub { "1" }; bless [] },
	fail => 'object numifying to 0'    => do { package Local::OL::NumZero; use overload q[0+] => sub { 0 }; bless [] },
	fail => 'object numifying to 1'    => do { package Local::OL::NumOne; use overload q[0+] => sub { 1 }; bless [] },
	fail => 'object overloading arrayref' => do { package Local::OL::Array; use overload q[@{}] => sub { $_[0]{array} }; bless {array=>[]} },
	fail => 'object overloading hashref' => do { package Local::OL::Hash; use overload q[%{}] => sub { $_[0][0] }; bless [{}] },
	fail => 'object overloading coderef' => do { package Local::OL::Code; use overload q[&{}] => sub { $_[0][0] }; bless [sub { 1 }] },
#TESTS
);

while (@tests) {
	my ($expect, $label, $value) = splice(@tests, 0 , 3);
	if ($expect eq 'xxxx') {
		note("UNDEFINED OUTCOME: $label");
	}
	elsif ($expect eq 'pass') {
		should_pass($value, DelimitedStr, ucfirst("$label should pass DelimitedStr"));
	}
	elsif ($expect eq 'fail') {
		should_fail($value, DelimitedStr, ucfirst("$label should fail DelimitedStr"));
	}
	else {
		fail("expected '$expect'?!");
	}
}

{
	local $" = '|';
	is(
		DelimitedStr->coerce( [ 1..4 ] ),
		'1|2|3|4',
		'The unparameterized type coerces by joining with $"',
	);
	
	$" = ',';
	is(
		DelimitedStr->coerce( [ 1..4 ] ),
		'1,2,3,4',
		'... and again',
	);

	$" = '';
	is(
		DelimitedStr->coerce( [ 1..4 ] ),
		'1234',
		'... and again',
	);
}

use Types::Standard qw( Int ArrayRef );

# Two or three integers, separated by commas, with optional whitespace
# around the commas.
#
my $SomeInts = DelimitedStr[ q{,}, Int, 2, 3, !!1 ];

ok( $SomeInts->can_be_inlined, '$SomeInts->can_be_inlined' );
ok( $SomeInts->coercion->can_be_inlined, '$SomeInts->coercion->can_be_inlined' );
is( $SomeInts->display_name, q{DelimitedStr[",",Int,2,3,1]}, '$SomeInts->display_name is ' . $SomeInts );

should_pass( '1,2,3', $SomeInts );
should_pass( '1, 2, 3', $SomeInts );
should_pass( '  1,2,3 ' . "\t\n\t", $SomeInts );
should_fail( '1', $SomeInts );
should_fail( '1,2,3,4', $SomeInts );
should_fail( 'foo,bar,baz', $SomeInts );
should_fail( '1,,3', $SomeInts );

ok(
	$SomeInts->coercion->has_coercion_for_type( ArrayRef[ Int, 2, 3 ] ),
	"$SomeInts has a coercion from an appropriate arrayref",
);

is(
	$SomeInts->coerce( [ 4, 5, 6 ] ),
	'4,5,6',
	'... and it works',
);

ok(
	!$SomeInts->coercion->has_coercion_for_type( ArrayRef[Int] ),
	"$SomeInts does not have a coercion from a posentially inappropriate arrayref",
);

done_testing;