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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 Test::More; |
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7 | use String::CamelCase 'wordsplit'; |
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8 | use Carp::Clan qw/^DBIx::Class/; |
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9 | use Scalar::Util 'looks_like_number'; |
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10 | use namespace::clean; |
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11 | use Exporter 'import'; |
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12 | use Data::Dumper (); |
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13 | |
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14 | 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 write_file array_eq sigwarn_silencer/; |
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15 | |
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16 | use constant BY_CASE_TRANSITION_V7 => |
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17 | qr/(?<=[[:lower:]\d])[\W_]*(?=[[:upper:]])|[\W_]+/; |
18 | |
19 | use constant BY_NON_ALPHANUM => |
20 | qr/[\W_]+/; |
21 | |
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22 | my $LF = "\x0a"; |
23 | my $CRLF = "\x0d\x0a"; |
24 | |
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25 | sub split_name($;$) { |
26 | my ($name, $v) = @_; |
27 | |
28 | my $is_camel_case = $name =~ /[[:upper:]]/ && $name =~ /[[:lower:]]/; |
29 | |
30 | if ((not $v) || $v >= 8) { |
31 | return map split(BY_NON_ALPHANUM, $_), wordsplit($name); |
32 | } |
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33 | |
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34 | return split $is_camel_case ? BY_CASE_TRANSITION_V7 : BY_NON_ALPHANUM, $name; |
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35 | } |
36 | |
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37 | sub dumper($) { |
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); |
42 | return $dd->Values([ $val ])->Dump; |
43 | } |
44 | |
45 | sub dumper_squashed($) { |
46 | my $val = shift; |
47 | |
48 | my $dd = Data::Dumper->new([]); |
49 | $dd->Terse(1)->Indent(1)->Useqq(1)->Deparse(1)->Quotekeys(0)->Sortkeys(1)->Indent(0); |
50 | return $dd->Values([ $val ])->Dump; |
51 | } |
52 | |
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53 | # copied from DBIx::Class::_Util, import from there once it's released |
54 | sub sigwarn_silencer { |
55 | my $pattern = shift; |
56 | |
57 | croak "Expecting a regexp" if ref $pattern ne 'Regexp'; |
58 | |
59 | my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) }; |
60 | |
61 | return sub { &$orig_sig_warn unless $_[0] =~ $pattern }; |
62 | } |
63 | |
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64 | sub eval_package_without_redefine_warnings { |
65 | my ($pkg, $code) = @_; |
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66 | |
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67 | local $SIG{__WARN__} = sigwarn_silencer(qr/^Subroutine \S+ redefined/); |
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68 | |
69 | # This hairiness is to handle people using "use warnings FATAL => 'all';" |
70 | # in their custom or external content. |
71 | my @delete_syms; |
72 | my $try_again = 1; |
73 | |
74 | while ($try_again) { |
75 | eval $code; |
76 | |
77 | if (my ($sym) = $@ =~ /^Subroutine (\S+) redefined/) { |
78 | delete $INC{ +class_path($pkg) }; |
79 | push @delete_syms, $sym; |
80 | |
81 | foreach my $sym (@delete_syms) { |
82 | no strict 'refs'; |
83 | undef *{"${pkg}::${sym}"}; |
84 | } |
85 | } |
86 | elsif ($@) { |
87 | die $@ if $@; |
88 | } |
89 | else { |
90 | $try_again = 0; |
91 | } |
92 | } |
93 | } |
94 | |
95 | sub class_path { |
96 | my $class = shift; |
97 | |
98 | my $class_path = $class; |
99 | $class_path =~ s{::}{/}g; |
100 | $class_path .= '.pm'; |
101 | |
102 | return $class_path; |
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103 | } |
104 | |
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105 | sub no_warnings(&;$) { |
106 | my ($code, $test_name) = @_; |
107 | |
108 | my $failed = 0; |
109 | |
110 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
111 | local $SIG{__WARN__} = sub { |
112 | $failed = 1; |
113 | $warn_handler->(@_); |
114 | }; |
115 | |
116 | $code->(); |
117 | |
118 | ok ((not $failed), $test_name); |
119 | } |
120 | |
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121 | sub warnings_exist(&$$) { |
122 | my ($code, $re, $test_name) = @_; |
123 | |
124 | my $matched = 0; |
125 | |
126 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
127 | local $SIG{__WARN__} = sub { |
128 | if ($_[0] =~ $re) { |
129 | $matched = 1; |
130 | } |
131 | else { |
132 | $warn_handler->(@_) |
133 | } |
134 | }; |
135 | |
136 | $code->(); |
137 | |
138 | ok $matched, $test_name; |
139 | } |
140 | |
141 | sub warnings_exist_silent(&$$) { |
142 | my ($code, $re, $test_name) = @_; |
143 | |
144 | my $matched = 0; |
145 | |
146 | local $SIG{__WARN__} = sub { $matched = 1 if $_[0] =~ $re; }; |
147 | |
148 | $code->(); |
149 | |
150 | ok $matched, $test_name; |
151 | } |
152 | |
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153 | sub slurp_file($) { |
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154 | my $file_name = shift; |
155 | |
156 | open my $fh, '<:encoding(UTF-8)', $file_name, |
157 | or croak "Can't open '$file_name' for reading: $!"; |
158 | |
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159 | my $data = do { local $/; <$fh> }; |
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160 | |
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161 | close $fh; |
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162 | |
163 | $data =~ s/$CRLF|$LF/\n/g; |
164 | |
165 | return $data; |
166 | } |
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167 | |
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168 | sub write_file($$) { |
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169 | my $file_name = shift; |
170 | |
171 | open my $fh, '>:encoding(UTF-8)', $file_name, |
172 | or croak "Can't open '$file_name' for writing: $!"; |
173 | |
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174 | print $fh shift; |
175 | close $fh; |
176 | } |
177 | |
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178 | sub array_eq($$) { |
179 | no warnings 'uninitialized'; |
180 | my ($a, $b) = @_; |
181 | |
182 | return unless @$a == @$b; |
183 | |
184 | for (my $i = 0; $i < @$a; $i++) { |
185 | if (looks_like_number $a->[$i]) { |
186 | return unless $a->[$i] == $b->[$i]; |
187 | } |
188 | else { |
189 | return unless $a->[$i] eq $b->[$i]; |
190 | } |
191 | } |
192 | return 1; |
193 | } |
194 | |
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195 | 1; |
196 | # vim:et sts=4 sw=4 tw=0: |