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