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