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
|
use strict;
use warnings;
use Test::More;
use Test::Differences;
use Test::Exception;
use autobox::Core;
use lib "lib";
use autobox::Transform;
use lib "t/lib";
use Literature;
my $literature = Literature::literature();
my $books = $literature->{books};
subtest map_each_value_missing_subref => sub {
throws_ok(
sub { scalar { one => 1, zero => 0, two => 2, undefined => undef }->map_each_value() },
qr/map_each_value\(\$value_subref\): \$value_subref \(\) is not a sub ref at/,
"map_each_value dies without subref",
);
throws_ok(
sub { scalar { one => 1, zero => 0, two => 2, undefined => undef }->map_each_value("abc") },
qr/map_each_value\(\$value_subref\): \$value_subref \(abc\) is not a sub ref at/,
"map_each_value dies without subref",
);
};
subtest map_each_value_subref_returns_wrong_number_of_items => sub {
throws_ok(
sub { scalar { one => 1, zero => 0, two => 2, undefined => undef }->map_each_value(sub { return (1, 2) }) },
qr/map_each_value \$value_subref returned multiple values.+?(one|zero|two|undefined)/,
"map_each_value, multiple return values",
);
};
subtest map_each_value_basic => sub {
eq_or_diff(
scalar { one => 1, zero => 0, two => 2, undefined => undef }->map_each_value(
sub { $_[0] . ( $_ // "undef" ) },
),
{
zero => "zero0",
one => "one1",
two => "two2",
undefined => "undefinedundef",
},
"map_each_value with key, value, topic variable",
);
};
subtest examples => sub {
# Upper-case the genre name, and make the count say "n books"
eq_or_diff(
{
$books->group_by_count("genre")->map_each_value(sub { "$_ books" })
},
{
"Fantasy" => "1 books",
"Sci-fi" => "3 books",
},
"Book count",
);
ok(1);
};
done_testing();
|
