1Test2::Compare::Custom(U3s)er Contributed Perl DocumentatTieosnt2::Compare::Custom(3)
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NAME

6       Test2::Compare::Custom - Custom field check for comparisons.
7

DESCRIPTION

9       Sometimes you want to do something complicated or unusual when
10       validating a field nested inside a deep data structure. You could pull
11       it out of the structure and test it separately, or you can use this to
12       embed the check. This provides a way for you to write custom checks for
13       fields in deep comparisons.
14

SYNOPSIS

16           my $cus = Test2::Compare::Custom->new(
17               name => 'IsRef',
18               operator => 'ref(...)',
19               stringify_got => 1,
20               code => sub {
21                   my %args = @_;
22                   return $args{got} ? 1 : 0;
23               },
24           );
25
26           # Pass
27           is(
28               { a => 1, ref => {},   b => 2 },
29               { a => 1, ref => $cus, b => 2 },
30               "This will pass"
31           );
32
33           # Fail
34           is(
35               {a => 1, ref => 'notref', b => 2},
36               {a => 1, ref => $cus,     b => 2},
37               "This will fail"
38           );
39

ARGUMENTS

41       Your custom sub will be passed 4 arguments in a hash:
42
43           code => sub {
44               my %args = @_;
45               # provides got, exists, operator, name
46               return ref($args{got}) ? 1 : 0;
47           },
48
49       $_ is also localized to "got" to make it easier for those who need to
50       use regexes.
51
52       got
53       $_  The value to be checked.
54
55       exists
56           This will be a boolean. This will be true if "got" exists at all.
57           If "exists" is false then it means "got" is not simply undef, but
58           doesn't exist at all (think checking the value of a hash key that
59           does not exist).
60
61       operator
62           The operator specified at construction.
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64       name
65           The name provided at construction.
66

METHODS

68       $code = $cus->code
69           Returns the coderef provided at construction.
70
71       $name = $cus->name
72           Returns the name provided at construction.
73
74       $op = $cus->operator
75           Returns the operator provided at construction.
76
77       $stringify = $cus->stringify_got
78           Returns the stringify_got flag provided at construction.
79
80       $bool = $cus->verify(got => $got, exists => $bool)
81

SOURCE

83       The source code repository for Test2-Suite can be found at
84       https://github.com/Test-More/Test2-Suite/.
85

MAINTAINERS

87       Chad Granum <exodist@cpan.org>
88

AUTHORS

90       Chad Granum <exodist@cpan.org>
91       Daniel Böhmer <dboehmer@cpan.org>
92

94       Copyright 2018 Chad Granum <exodist@cpan.org>.
95
96       This program is free software; you can redistribute it and/or modify it
97       under the same terms as Perl itself.
98
99       See http://dev.perl.org/licenses/
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103perl v5.34.0                      2022-03-08         Test2::Compare::Custom(3)
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