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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/; |
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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([ $val ])->Dump; |
51 | } |
52 | |
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53 | sub eval_package_without_redefine_warnings { |
54 | my ($pkg, $code) = @_; |
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55 | |
56 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
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57 | |
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58 | local $SIG{__WARN__} = sub { |
59 | $warn_handler->(@_) |
60 | unless $_[0] =~ /^Subroutine \S+ redefined/; |
61 | }; |
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62 | |
63 | # This hairiness is to handle people using "use warnings FATAL => 'all';" |
64 | # in their custom or external content. |
65 | my @delete_syms; |
66 | my $try_again = 1; |
67 | |
68 | while ($try_again) { |
69 | eval $code; |
70 | |
71 | if (my ($sym) = $@ =~ /^Subroutine (\S+) redefined/) { |
72 | delete $INC{ +class_path($pkg) }; |
73 | push @delete_syms, $sym; |
74 | |
75 | foreach my $sym (@delete_syms) { |
76 | no strict 'refs'; |
77 | undef *{"${pkg}::${sym}"}; |
78 | } |
79 | } |
80 | elsif ($@) { |
81 | die $@ if $@; |
82 | } |
83 | else { |
84 | $try_again = 0; |
85 | } |
86 | } |
87 | } |
88 | |
89 | sub class_path { |
90 | my $class = shift; |
91 | |
92 | my $class_path = $class; |
93 | $class_path =~ s{::}{/}g; |
94 | $class_path .= '.pm'; |
95 | |
96 | return $class_path; |
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97 | } |
98 | |
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99 | sub no_warnings(&;$) { |
100 | my ($code, $test_name) = @_; |
101 | |
102 | my $failed = 0; |
103 | |
104 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
105 | local $SIG{__WARN__} = sub { |
106 | $failed = 1; |
107 | $warn_handler->(@_); |
108 | }; |
109 | |
110 | $code->(); |
111 | |
112 | ok ((not $failed), $test_name); |
113 | } |
114 | |
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115 | sub warnings_exist(&$$) { |
116 | my ($code, $re, $test_name) = @_; |
117 | |
118 | my $matched = 0; |
119 | |
120 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
121 | local $SIG{__WARN__} = sub { |
122 | if ($_[0] =~ $re) { |
123 | $matched = 1; |
124 | } |
125 | else { |
126 | $warn_handler->(@_) |
127 | } |
128 | }; |
129 | |
130 | $code->(); |
131 | |
132 | ok $matched, $test_name; |
133 | } |
134 | |
135 | sub warnings_exist_silent(&$$) { |
136 | my ($code, $re, $test_name) = @_; |
137 | |
138 | my $matched = 0; |
139 | |
140 | local $SIG{__WARN__} = sub { $matched = 1 if $_[0] =~ $re; }; |
141 | |
142 | $code->(); |
143 | |
144 | ok $matched, $test_name; |
145 | } |
146 | |
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147 | sub slurp_file($) { |
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148 | my $file_name = shift; |
149 | |
150 | open my $fh, '<:encoding(UTF-8)', $file_name, |
151 | or croak "Can't open '$file_name' for reading: $!"; |
152 | |
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153 | my $data = do { local $/; <$fh> }; |
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154 | |
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155 | close $fh; |
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156 | |
157 | $data =~ s/$CRLF|$LF/\n/g; |
158 | |
159 | return $data; |
160 | } |
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161 | |
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162 | sub write_file($$) { |
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163 | my $file_name = shift; |
164 | |
165 | open my $fh, '>:encoding(UTF-8)', $file_name, |
166 | or croak "Can't open '$file_name' for writing: $!"; |
167 | |
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168 | print $fh shift; |
169 | close $fh; |
170 | } |
171 | |
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172 | sub array_eq($$) { |
173 | no warnings 'uninitialized'; |
174 | my ($a, $b) = @_; |
175 | |
176 | return unless @$a == @$b; |
177 | |
178 | for (my $i = 0; $i < @$a; $i++) { |
179 | if (looks_like_number $a->[$i]) { |
180 | return unless $a->[$i] == $b->[$i]; |
181 | } |
182 | else { |
183 | return unless $a->[$i] eq $b->[$i]; |
184 | } |
185 | } |
186 | return 1; |
187 | } |
188 | |
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189 | 1; |
190 | # vim:et sts=4 sw=4 tw=0: |