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1 | package # hide from PAUSE |
2 | DBIx::Class::Schema::Loader::Utils; |
3 | |
4 | use strict; |
5 | use warnings; |
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6 | use Data::Dumper (); |
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7 | use Test::More; |
8 | use namespace::clean; |
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9 | use Exporter 'import'; |
10 | |
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11 | our @EXPORT_OK = qw/split_name dumper dumper_squashed eval_package_without_redefine_warnings class_path no_warnings warnings_exist warnings_exist_silent slurp_file/; |
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12 | |
13 | use constant BY_CASE_TRANSITION => |
14 | qr/(?<=[[:lower:]\d])[\W_]*(?=[[:upper:]])|[\W_]+/; |
15 | |
16 | use constant BY_NON_ALPHANUM => |
17 | qr/[\W_]+/; |
18 | |
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19 | my $LF = "\x0a"; |
20 | my $CRLF = "\x0d\x0a"; |
21 | |
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22 | sub split_name($) { |
23 | my $name = shift; |
24 | |
25 | split $name =~ /[[:upper:]]/ && $name =~ /[[:lower:]]/ ? BY_CASE_TRANSITION : BY_NON_ALPHANUM, $name; |
26 | } |
27 | |
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28 | sub dumper($) { |
29 | my $val = shift; |
30 | |
31 | my $dd = Data::Dumper->new([]); |
32 | $dd->Terse(1)->Indent(1)->Useqq(1)->Deparse(1)->Quotekeys(0)->Sortkeys(1); |
33 | return $dd->Values([ $val ])->Dump; |
34 | } |
35 | |
36 | sub dumper_squashed($) { |
37 | my $val = shift; |
38 | |
39 | my $dd = Data::Dumper->new([]); |
40 | $dd->Terse(1)->Indent(1)->Useqq(1)->Deparse(1)->Quotekeys(0)->Sortkeys(1)->Indent(0); |
41 | return $dd->Values([ $val ])->Dump; |
42 | } |
43 | |
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44 | sub eval_package_without_redefine_warnings { |
45 | my ($pkg, $code) = @_; |
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46 | |
47 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
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48 | |
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49 | local $SIG{__WARN__} = sub { |
50 | $warn_handler->(@_) |
51 | unless $_[0] =~ /^Subroutine \S+ redefined/; |
52 | }; |
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53 | |
54 | # This hairiness is to handle people using "use warnings FATAL => 'all';" |
55 | # in their custom or external content. |
56 | my @delete_syms; |
57 | my $try_again = 1; |
58 | |
59 | while ($try_again) { |
60 | eval $code; |
61 | |
62 | if (my ($sym) = $@ =~ /^Subroutine (\S+) redefined/) { |
63 | delete $INC{ +class_path($pkg) }; |
64 | push @delete_syms, $sym; |
65 | |
66 | foreach my $sym (@delete_syms) { |
67 | no strict 'refs'; |
68 | undef *{"${pkg}::${sym}"}; |
69 | } |
70 | } |
71 | elsif ($@) { |
72 | die $@ if $@; |
73 | } |
74 | else { |
75 | $try_again = 0; |
76 | } |
77 | } |
78 | } |
79 | |
80 | sub class_path { |
81 | my $class = shift; |
82 | |
83 | my $class_path = $class; |
84 | $class_path =~ s{::}{/}g; |
85 | $class_path .= '.pm'; |
86 | |
87 | return $class_path; |
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88 | } |
89 | |
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90 | sub no_warnings(&;$) { |
91 | my ($code, $test_name) = @_; |
92 | |
93 | my $failed = 0; |
94 | |
95 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
96 | local $SIG{__WARN__} = sub { |
97 | $failed = 1; |
98 | $warn_handler->(@_); |
99 | }; |
100 | |
101 | $code->(); |
102 | |
103 | ok ((not $failed), $test_name); |
104 | } |
105 | |
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106 | sub warnings_exist(&$$) { |
107 | my ($code, $re, $test_name) = @_; |
108 | |
109 | my $matched = 0; |
110 | |
111 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
112 | local $SIG{__WARN__} = sub { |
113 | if ($_[0] =~ $re) { |
114 | $matched = 1; |
115 | } |
116 | else { |
117 | $warn_handler->(@_) |
118 | } |
119 | }; |
120 | |
121 | $code->(); |
122 | |
123 | ok $matched, $test_name; |
124 | } |
125 | |
126 | sub warnings_exist_silent(&$$) { |
127 | my ($code, $re, $test_name) = @_; |
128 | |
129 | my $matched = 0; |
130 | |
131 | local $SIG{__WARN__} = sub { $matched = 1 if $_[0] =~ $re; }; |
132 | |
133 | $code->(); |
134 | |
135 | ok $matched, $test_name; |
136 | } |
137 | |
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138 | sub slurp_file($) { |
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139 | open my $fh, '<:encoding(UTF-8)', shift; |
140 | my $data = do { local $/; <$fh> }; |
141 | close $fh; |
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142 | |
143 | $data =~ s/$CRLF|$LF/\n/g; |
144 | |
145 | return $data; |
146 | } |
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147 | |
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148 | 1; |
149 | # vim:et sts=4 sw=4 tw=0: |