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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 Carp::Clan qw/^DBIx::Class/; |
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8 | use List::Util 'all'; |
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9 | use namespace::clean; |
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10 | use Exporter 'import'; |
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11 | use Data::Dumper (); |
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12 | |
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13 | 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 apply firstidx uniq/; |
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14 | |
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15 | use constant BY_CASE_TRANSITION_V7 => |
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16 | qr/(?<=[[:lower:]\d])[\W_]*(?=[[:upper:]])|[\W_]+/; |
17 | |
18 | use constant BY_NON_ALPHANUM => |
19 | qr/[\W_]+/; |
20 | |
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21 | my $LF = "\x0a"; |
22 | my $CRLF = "\x0d\x0a"; |
23 | |
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24 | # Copied from String::CamelCase because of RT#123030 |
25 | sub wordsplit { |
26 | my $s = shift; |
27 | split /[_\s]+|\b|(?<![A-Z])(?=[A-Z])|(?<=[A-Z])(?=[A-Z][a-z])/, $s; |
28 | } |
29 | |
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30 | sub split_name($;$) { |
31 | my ($name, $v) = @_; |
32 | |
33 | my $is_camel_case = $name =~ /[[:upper:]]/ && $name =~ /[[:lower:]]/; |
34 | |
35 | if ((not $v) || $v >= 8) { |
36 | return map split(BY_NON_ALPHANUM, $_), wordsplit($name); |
37 | } |
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38 | |
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39 | return split $is_camel_case ? BY_CASE_TRANSITION_V7 : BY_NON_ALPHANUM, $name; |
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40 | } |
41 | |
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42 | sub dumper($) { |
43 | my $val = shift; |
44 | |
45 | my $dd = Data::Dumper->new([]); |
46 | $dd->Terse(1)->Indent(1)->Useqq(1)->Deparse(1)->Quotekeys(0)->Sortkeys(1); |
47 | return $dd->Values([ $val ])->Dump; |
48 | } |
49 | |
50 | sub dumper_squashed($) { |
51 | my $val = shift; |
52 | |
53 | my $dd = Data::Dumper->new([]); |
54 | $dd->Terse(1)->Indent(1)->Useqq(1)->Deparse(1)->Quotekeys(0)->Sortkeys(1)->Indent(0); |
55 | return $dd->Values([ $val ])->Dump; |
56 | } |
57 | |
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58 | # copied from DBIx::Class::_Util, import from there once it's released |
59 | sub sigwarn_silencer { |
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60 | my $pattern = shift; |
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61 | |
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62 | croak "Expecting a regexp" if ref $pattern ne 'Regexp'; |
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63 | |
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64 | my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) }; |
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65 | |
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66 | return sub { &$orig_sig_warn unless $_[0] =~ $pattern }; |
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67 | } |
68 | |
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69 | # Copied with stylistic adjustments from List::MoreUtils::PP |
70 | sub firstidx (&@) { |
71 | my $f = shift; |
72 | foreach my $i (0..$#_) { |
73 | local *_ = \$_[$i]; |
74 | return $i if $f->(); |
75 | } |
76 | return -1; |
77 | } |
78 | |
79 | sub uniq (@) { |
80 | my %seen = (); |
81 | grep { not $seen{$_}++ } @_; |
82 | } |
83 | |
84 | sub apply (&@) { |
85 | my $action = shift; |
86 | $action->() foreach my @values = @_; |
87 | wantarray ? @values : $values[-1]; |
88 | } |
89 | |
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90 | sub eval_package_without_redefine_warnings { |
91 | my ($pkg, $code) = @_; |
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92 | |
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93 | local $SIG{__WARN__} = sigwarn_silencer(qr/^Subroutine \S+ redefined/); |
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94 | |
95 | # This hairiness is to handle people using "use warnings FATAL => 'all';" |
96 | # in their custom or external content. |
97 | my @delete_syms; |
98 | my $try_again = 1; |
99 | |
100 | while ($try_again) { |
101 | eval $code; |
102 | |
103 | if (my ($sym) = $@ =~ /^Subroutine (\S+) redefined/) { |
104 | delete $INC{ +class_path($pkg) }; |
105 | push @delete_syms, $sym; |
106 | |
107 | foreach my $sym (@delete_syms) { |
108 | no strict 'refs'; |
109 | undef *{"${pkg}::${sym}"}; |
110 | } |
111 | } |
112 | elsif ($@) { |
113 | die $@ if $@; |
114 | } |
115 | else { |
116 | $try_again = 0; |
117 | } |
118 | } |
119 | } |
120 | |
121 | sub class_path { |
122 | my $class = shift; |
123 | |
124 | my $class_path = $class; |
125 | $class_path =~ s{::}{/}g; |
126 | $class_path .= '.pm'; |
127 | |
128 | return $class_path; |
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129 | } |
130 | |
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131 | sub no_warnings(&;$) { |
132 | my ($code, $test_name) = @_; |
133 | |
134 | my $failed = 0; |
135 | |
136 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
137 | local $SIG{__WARN__} = sub { |
138 | $failed = 1; |
139 | $warn_handler->(@_); |
140 | }; |
141 | |
142 | $code->(); |
143 | |
144 | ok ((not $failed), $test_name); |
145 | } |
146 | |
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147 | sub warnings_exist(&$$) { |
148 | my ($code, $re, $test_name) = @_; |
149 | |
150 | my $matched = 0; |
151 | |
152 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
153 | local $SIG{__WARN__} = sub { |
154 | if ($_[0] =~ $re) { |
155 | $matched = 1; |
156 | } |
157 | else { |
158 | $warn_handler->(@_) |
159 | } |
160 | }; |
161 | |
162 | $code->(); |
163 | |
164 | ok $matched, $test_name; |
165 | } |
166 | |
167 | sub warnings_exist_silent(&$$) { |
168 | my ($code, $re, $test_name) = @_; |
169 | |
170 | my $matched = 0; |
171 | |
172 | local $SIG{__WARN__} = sub { $matched = 1 if $_[0] =~ $re; }; |
173 | |
174 | $code->(); |
175 | |
176 | ok $matched, $test_name; |
177 | } |
178 | |
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179 | sub slurp_file($) { |
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180 | my $file_name = shift; |
181 | |
182 | open my $fh, '<:encoding(UTF-8)', $file_name, |
183 | or croak "Can't open '$file_name' for reading: $!"; |
184 | |
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185 | my $data = do { local $/; <$fh> }; |
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186 | |
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187 | close $fh; |
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188 | |
189 | $data =~ s/$CRLF|$LF/\n/g; |
190 | |
191 | return $data; |
192 | } |
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193 | |
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194 | sub write_file($$) { |
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195 | my $file_name = shift; |
196 | |
197 | open my $fh, '>:encoding(UTF-8)', $file_name, |
198 | or croak "Can't open '$file_name' for writing: $!"; |
199 | |
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200 | print $fh shift; |
201 | close $fh; |
202 | } |
203 | |
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204 | sub array_eq($$) { |
205 | no warnings 'uninitialized'; |
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206 | my ($l, $r) = @_; |
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207 | |
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208 | return @$l == @$r && all { $l->[$_] eq $r->[$_] } 0..$#$l; |
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209 | } |
210 | |
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211 | 1; |
212 | # vim:et sts=4 sw=4 tw=0: |