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69026470 |
1 | #!./perl -w |
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2 | |
3 | # Tests for the coderef-in-@INC feature |
4 | |
5 | BEGIN { |
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6 | chdir 't' if -d 't'; |
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7 | @INC = qw(. ../lib); |
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8 | } |
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9 | |
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10 | use File::Spec; |
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11 | |
12 | require "test.pl"; |
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13 | plan(tests => 45); |
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14 | |
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15 | my @tempfiles = (); |
16 | |
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17 | sub get_temp_fh { |
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18 | my $f = "DummyModule0000"; |
19 | 1 while -e ++$f; |
20 | push @tempfiles, $f; |
21 | open my $fh, ">$f" or die "Can't create $f: $!"; |
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22 | print $fh "package ".substr($_[0],0,-3).";\n1;\n"; |
23 | print $fh $_[1] if @_ > 1; |
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24 | close $fh or die "Couldn't close: $!"; |
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25 | open $fh, $f or die "Can't open $f: $!"; |
26 | return $fh; |
27 | } |
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28 | |
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29 | END { 1 while unlink @tempfiles } |
30 | |
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31 | sub fooinc { |
32 | my ($self, $filename) = @_; |
33 | if (substr($filename,0,3) eq 'Foo') { |
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34 | return get_temp_fh($filename); |
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35 | } |
36 | else { |
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37 | return undef; |
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38 | } |
39 | } |
40 | |
41 | push @INC, \&fooinc; |
42 | |
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43 | my $evalret = eval { require Bar; 1 }; |
44 | ok( !$evalret, 'Trying non-magic package' ); |
45 | |
46 | $evalret = eval { require Foo; 1 }; |
47 | die $@ if $@; |
48 | ok( $evalret, 'require Foo; magic via code ref' ); |
49 | ok( exists $INC{'Foo.pm'}, ' %INC sees Foo.pm' ); |
50 | is( ref $INC{'Foo.pm'}, 'CODE', ' val Foo.pm is a coderef in %INC' ); |
51 | is( $INC{'Foo.pm'}, \&fooinc, ' val Foo.pm is correct in %INC' ); |
52 | |
53 | $evalret = eval "use Foo1; 1;"; |
54 | die $@ if $@; |
55 | ok( $evalret, 'use Foo1' ); |
56 | ok( exists $INC{'Foo1.pm'}, ' %INC sees Foo1.pm' ); |
57 | is( ref $INC{'Foo1.pm'}, 'CODE', ' val Foo1.pm is a coderef in %INC' ); |
58 | is( $INC{'Foo1.pm'}, \&fooinc, ' val Foo1.pm is correct in %INC' ); |
59 | |
60 | $evalret = eval { do 'Foo2.pl'; 1 }; |
61 | die $@ if $@; |
62 | ok( $evalret, 'do "Foo2.pl"' ); |
63 | ok( exists $INC{'Foo2.pl'}, ' %INC sees Foo2.pl' ); |
64 | is( ref $INC{'Foo2.pl'}, 'CODE', ' val Foo2.pl is a coderef in %INC' ); |
65 | is( $INC{'Foo2.pl'}, \&fooinc, ' val Foo2.pl is correct in %INC' ); |
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66 | |
67 | pop @INC; |
68 | |
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69 | |
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70 | sub fooinc2 { |
71 | my ($self, $filename) = @_; |
72 | if (substr($filename, 0, length($self->[1])) eq $self->[1]) { |
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73 | return get_temp_fh($filename); |
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74 | } |
75 | else { |
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76 | return undef; |
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77 | } |
78 | } |
79 | |
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80 | my $arrayref = [ \&fooinc2, 'Bar' ]; |
81 | push @INC, $arrayref; |
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82 | |
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83 | $evalret = eval { require Foo; 1; }; |
84 | die $@ if $@; |
85 | ok( $evalret, 'Originally loaded packages preserved' ); |
86 | $evalret = eval { require Foo3; 1; }; |
87 | ok( !$evalret, 'Original magic INC purged' ); |
88 | |
89 | $evalret = eval { require Bar; 1 }; |
90 | die $@ if $@; |
91 | ok( $evalret, 'require Bar; magic via array ref' ); |
92 | ok( exists $INC{'Bar.pm'}, ' %INC sees Bar.pm' ); |
93 | is( ref $INC{'Bar.pm'}, 'ARRAY', ' val Bar.pm is an arrayref in %INC' ); |
94 | is( $INC{'Bar.pm'}, $arrayref, ' val Bar.pm is correct in %INC' ); |
95 | |
96 | ok( eval "use Bar1; 1;", 'use Bar1' ); |
97 | ok( exists $INC{'Bar1.pm'}, ' %INC sees Bar1.pm' ); |
98 | is( ref $INC{'Bar1.pm'}, 'ARRAY', ' val Bar1.pm is an arrayref in %INC' ); |
99 | is( $INC{'Bar1.pm'}, $arrayref, ' val Bar1.pm is correct in %INC' ); |
100 | |
101 | ok( eval { do 'Bar2.pl'; 1 }, 'do "Bar2.pl"' ); |
102 | ok( exists $INC{'Bar2.pl'}, ' %INC sees Bar2.pl' ); |
103 | is( ref $INC{'Bar2.pl'}, 'ARRAY', ' val Bar2.pl is an arrayref in %INC' ); |
104 | is( $INC{'Bar2.pl'}, $arrayref, ' val Bar2.pl is correct in %INC' ); |
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105 | |
106 | pop @INC; |
107 | |
108 | sub FooLoader::INC { |
109 | my ($self, $filename) = @_; |
110 | if (substr($filename,0,4) eq 'Quux') { |
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111 | return get_temp_fh($filename); |
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112 | } |
113 | else { |
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114 | return undef; |
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115 | } |
116 | } |
117 | |
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118 | my $href = bless( {}, 'FooLoader' ); |
119 | push @INC, $href; |
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120 | |
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121 | $evalret = eval { require Quux; 1 }; |
122 | die $@ if $@; |
123 | ok( $evalret, 'require Quux; magic via hash object' ); |
124 | ok( exists $INC{'Quux.pm'}, ' %INC sees Quux.pm' ); |
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125 | is( ref $INC{'Quux.pm'}, 'FooLoader', |
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126 | ' val Quux.pm is an object in %INC' ); |
127 | is( $INC{'Quux.pm'}, $href, ' val Quux.pm is correct in %INC' ); |
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128 | |
129 | pop @INC; |
130 | |
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131 | my $aref = bless( [], 'FooLoader' ); |
132 | push @INC, $aref; |
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133 | |
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134 | $evalret = eval { require Quux1; 1 }; |
135 | die $@ if $@; |
136 | ok( $evalret, 'require Quux1; magic via array object' ); |
137 | ok( exists $INC{'Quux1.pm'}, ' %INC sees Quux1.pm' ); |
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138 | is( ref $INC{'Quux1.pm'}, 'FooLoader', |
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139 | ' val Quux1.pm is an object in %INC' ); |
140 | is( $INC{'Quux1.pm'}, $aref, ' val Quux1.pm is correct in %INC' ); |
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141 | |
142 | pop @INC; |
143 | |
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144 | my $sref = bless( \(my $x = 1), 'FooLoader' ); |
145 | push @INC, $sref; |
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146 | |
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147 | $evalret = eval { require Quux2; 1 }; |
148 | die $@ if $@; |
149 | ok( $evalret, 'require Quux2; magic via scalar object' ); |
150 | ok( exists $INC{'Quux2.pm'}, ' %INC sees Quux2.pm' ); |
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151 | is( ref $INC{'Quux2.pm'}, 'FooLoader', |
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152 | ' val Quux2.pm is an object in %INC' ); |
153 | is( $INC{'Quux2.pm'}, $sref, ' val Quux2.pm is correct in %INC' ); |
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154 | |
155 | pop @INC; |
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156 | |
157 | push @INC, sub { |
158 | my ($self, $filename) = @_; |
159 | if (substr($filename,0,4) eq 'Toto') { |
160 | $INC{$filename} = 'xyz'; |
161 | return get_temp_fh($filename); |
162 | } |
163 | else { |
164 | return undef; |
165 | } |
166 | }; |
167 | |
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168 | $evalret = eval { require Toto; 1 }; |
169 | die $@ if $@; |
170 | ok( $evalret, 'require Toto; magic via anonymous code ref' ); |
171 | ok( exists $INC{'Toto.pm'}, ' %INC sees Toto.pm' ); |
172 | ok( ! ref $INC{'Toto.pm'}, q/ val Toto.pm isn't a ref in %INC/ ); |
173 | is( $INC{'Toto.pm'}, 'xyz', ' val Toto.pm is correct in %INC' ); |
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174 | |
175 | pop @INC; |
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176 | |
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177 | push @INC, sub { |
178 | my ($self, $filename) = @_; |
179 | if ($filename eq 'abc.pl') { |
180 | return get_temp_fh($filename, qq(return "abc";\n)); |
181 | } |
182 | else { |
183 | return undef; |
184 | } |
185 | }; |
186 | |
187 | $ret = ""; |
188 | $ret ||= do 'abc.pl'; |
189 | is( $ret, 'abc', 'do "abc.pl" sees return value' ); |
190 | |
191 | pop @INC; |
192 | |
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193 | my $filename = $^O eq 'MacOS' ? ':Foo:Foo.pm' : './Foo.pm'; |
194 | { |
195 | local @INC; |
196 | @INC = sub { $filename = 'seen'; return undef; }; |
197 | eval { require $filename; }; |
198 | is( $filename, 'seen', 'the coderef sees fully-qualified pathnames' ); |
199 | } |