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1 | #!./perl -w |
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2 | |
3 | BEGIN { |
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4 | if ($ENV{PERL_CORE}) { |
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5 | chdir 't'; |
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6 | @INC = '../lib'; |
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7 | } |
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8 | } |
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9 | use Cwd; |
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10 | chdir 't'; |
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11 | |
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12 | use strict; |
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13 | use Config; |
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14 | use File::Spec; |
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15 | use File::Path; |
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16 | |
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17 | use lib File::Spec->catdir('t', 'lib'); |
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18 | use Test::More; |
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19 | require VMS::Filespec if $^O eq 'VMS'; |
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20 | |
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21 | my $tests = 29; |
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22 | # _perl_abs_path() currently only works when the directory separator |
23 | # is '/', so don't test it when it won't work. |
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24 | my $EXTRA_ABSPATH_TESTS = ($Config{prefix} =~ m/\//) && $^O ne 'cygwin'; |
25 | $tests += 4 if $EXTRA_ABSPATH_TESTS; |
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26 | plan tests => $tests; |
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27 | |
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28 | SKIP: { |
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29 | skip "no need to check for blib/ in the core", 1 if $ENV{PERL_CORE}; |
30 | like $INC{'Cwd.pm'}, qr{blib}i, "Cwd should be loaded from blib/ during testing"; |
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31 | } |
32 | |
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33 | my $IsVMS = $^O eq 'VMS'; |
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34 | my $IsMacOS = $^O eq 'MacOS'; |
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35 | |
36 | # check imports |
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37 | can_ok('main', qw(cwd getcwd fastcwd fastgetcwd)); |
38 | ok( !defined(&chdir), 'chdir() not exported by default' ); |
39 | ok( !defined(&abs_path), ' nor abs_path()' ); |
40 | ok( !defined(&fast_abs_path), ' nor fast_abs_path()'); |
41 | |
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42 | { |
43 | my @fields = qw(PATH IFS CDPATH ENV BASH_ENV); |
44 | my $before = grep exists $ENV{$_}, @fields; |
45 | cwd(); |
46 | my $after = grep exists $ENV{$_}, @fields; |
47 | is($before, $after, "cwd() shouldn't create spurious entries in %ENV"); |
48 | } |
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49 | |
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50 | # XXX force Cwd to bootsrap its XSUBs since we have set @INC = "../lib" |
51 | # XXX and subsequent chdir()s can make them impossible to find |
52 | eval { fastcwd }; |
53 | |
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54 | # Must find an external pwd (or equivalent) command. |
55 | |
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56 | my $pwd = $^O eq 'MSWin32' ? "cmd" : "pwd"; |
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57 | my $pwd_cmd = |
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58 | ($^O eq "NetWare") ? |
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59 | "cd" : |
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60 | ($IsMacOS) ? |
61 | "pwd" : |
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62 | (grep { -x && -f } map { "$_/$pwd$Config{exe_ext}" } |
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63 | split m/$Config{path_sep}/, $ENV{PATH})[0]; |
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64 | |
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65 | $pwd_cmd = 'SHOW DEFAULT' if $IsVMS; |
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66 | if ($^O eq 'MSWin32') { |
67 | $pwd_cmd =~ s,/,\\,g; |
68 | $pwd_cmd = "$pwd_cmd /c cd"; |
69 | } |
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70 | $pwd_cmd =~ s=\\=/=g if ($^O eq 'dos'); |
71 | |
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72 | SKIP: { |
73 | skip "No native pwd command found to test against", 4 unless $pwd_cmd; |
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74 | |
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75 | print "# native pwd = '$pwd_cmd'\n"; |
76 | |
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77 | local @ENV{qw(PATH IFS CDPATH ENV BASH_ENV)}; |
78 | my ($pwd_cmd_untainted) = $pwd_cmd =~ /^(.+)$/; # Untaint. |
79 | chomp(my $start = `$pwd_cmd_untainted`); |
80 | |
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81 | # Win32's cd returns native C:\ style |
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82 | $start =~ s,\\,/,g if ($^O eq 'MSWin32' || $^O eq "NetWare"); |
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83 | # DCL SHOW DEFAULT has leading spaces |
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84 | $start =~ s/^\s+// if $IsVMS; |
85 | SKIP: { |
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86 | skip("'$pwd_cmd' failed, nothing to test against", 4) if $?; |
87 | skip("/afs seen, paths unlikely to match", 4) if $start =~ m|/afs/|; |
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88 | |
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89 | # Darwin's getcwd(3) (which Cwd.xs:bsd_realpath() uses which |
90 | # Cwd.pm:getcwd uses) has some magic related to the PWD |
91 | # environment variable: if PWD is set to a directory that |
92 | # looks about right (guess: has the same (dev,ino) as the '.'?), |
93 | # the PWD is returned. However, if that path contains |
94 | # symlinks, the path will not be equal to the one returned by |
95 | # /bin/pwd (which probably uses the usual walking upwards in |
96 | # the path -trick). This situation is easy to reproduce since |
97 | # /tmp is a symlink to /private/tmp. Therefore we invalidate |
98 | # the PWD to force getcwd(3) to (re)compute the cwd in full. |
99 | # Admittedly fixing this in the Cwd module would be better |
100 | # long-term solution but deleting $ENV{PWD} should not be |
101 | # done light-heartedly. --jhi |
102 | delete $ENV{PWD} if $^O eq 'darwin'; |
103 | |
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104 | my $cwd = cwd; |
105 | my $getcwd = getcwd; |
106 | my $fastcwd = fastcwd; |
107 | my $fastgetcwd = fastgetcwd; |
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108 | |
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109 | is($cwd, $start, 'cwd()'); |
110 | is($getcwd, $start, 'getcwd()'); |
111 | is($fastcwd, $start, 'fastcwd()'); |
112 | is($fastgetcwd, $start, 'fastgetcwd()'); |
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113 | } |
114 | } |
115 | |
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116 | my @test_dirs = qw{_ptrslt_ _path_ _to_ _a_ _dir_}; |
117 | my $Test_Dir = File::Spec->catdir(@test_dirs); |
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118 | |
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119 | mkpath([$Test_Dir], 0, 0777); |
120 | Cwd::chdir $Test_Dir; |
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121 | |
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122 | foreach my $func (qw(cwd getcwd fastcwd fastgetcwd)) { |
123 | my $result = eval "$func()"; |
124 | is $@, ''; |
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125 | dir_ends_with( $result, $Test_Dir, "$func()" ); |
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126 | } |
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127 | |
128 | # Cwd::chdir should also update $ENV{PWD} |
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129 | dir_ends_with( $ENV{PWD}, $Test_Dir, 'Cwd::chdir() updates $ENV{PWD}' ); |
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130 | my $updir = File::Spec->updir; |
131 | Cwd::chdir $updir; |
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132 | print "#$ENV{PWD}\n"; |
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133 | Cwd::chdir $updir; |
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134 | print "#$ENV{PWD}\n"; |
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135 | Cwd::chdir $updir; |
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136 | print "#$ENV{PWD}\n"; |
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137 | Cwd::chdir $updir; |
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138 | print "#$ENV{PWD}\n"; |
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139 | Cwd::chdir $updir; |
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140 | print "#$ENV{PWD}\n"; |
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141 | |
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142 | rmtree($test_dirs[0], 0, 0); |
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143 | |
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144 | { |
145 | my $check = ($IsVMS ? qr|\b((?i)t)\]$| : |
146 | $IsMacOS ? qr|\bt:$| : |
147 | qr|\bt$| ); |
148 | |
149 | like($ENV{PWD}, $check); |
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150 | } |
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151 | |
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152 | { |
153 | # Make sure abs_path() doesn't trample $ENV{PWD} |
154 | my $start_pwd = $ENV{PWD}; |
155 | mkpath([$Test_Dir], 0, 0777); |
156 | Cwd::abs_path($Test_Dir); |
157 | is $ENV{PWD}, $start_pwd; |
158 | rmtree($test_dirs[0], 0, 0); |
159 | } |
160 | |
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161 | SKIP: { |
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162 | skip "no symlinks on this platform", 2+$EXTRA_ABSPATH_TESTS unless $Config{d_symlink}; |
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163 | |
164 | mkpath([$Test_Dir], 0, 0777); |
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165 | symlink $Test_Dir, "linktest"; |
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166 | |
167 | my $abs_path = Cwd::abs_path("linktest"); |
168 | my $fast_abs_path = Cwd::fast_abs_path("linktest"); |
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169 | my $want = File::Spec->catdir("t", $Test_Dir); |
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170 | |
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171 | like($abs_path, qr|$want$|); |
172 | like($fast_abs_path, qr|$want$|); |
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173 | like(Cwd::_perl_abs_path("linktest"), qr|$want$|) if $EXTRA_ABSPATH_TESTS; |
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174 | |
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175 | rmtree($test_dirs[0], 0, 0); |
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176 | unlink "linktest"; |
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177 | } |
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178 | |
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179 | if ($ENV{PERL_CORE}) { |
180 | chdir '../ext/Cwd/t'; |
181 | unshift @INC, '../../../lib'; |
182 | } |
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183 | |
184 | # Make sure we can run abs_path() on files, not just directories |
185 | my $path = 'cwd.t'; |
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186 | path_ends_with(Cwd::abs_path($path), 'cwd.t', 'abs_path() can be invoked on a file'); |
187 | path_ends_with(Cwd::fast_abs_path($path), 'cwd.t', 'fast_abs_path() can be invoked on a file'); |
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188 | path_ends_with(Cwd::_perl_abs_path($path), 'cwd.t', '_perl_abs_path() can be invoked on a file') |
189 | if $EXTRA_ABSPATH_TESTS; |
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190 | |
191 | $path = File::Spec->catfile(File::Spec->updir, 't', $path); |
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192 | path_ends_with(Cwd::abs_path($path), 'cwd.t', 'abs_path() can be invoked on a file'); |
193 | path_ends_with(Cwd::fast_abs_path($path), 'cwd.t', 'fast_abs_path() can be invoked on a file'); |
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194 | path_ends_with(Cwd::_perl_abs_path($path), 'cwd.t', '_perl_abs_path() can be invoked on a file') |
195 | if $EXTRA_ABSPATH_TESTS; |
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196 | |
197 | |
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198 | |
199 | SKIP: { |
200 | my $file; |
201 | { |
202 | my $root = File::Spec->rootdir; |
203 | local *FH; |
204 | opendir FH, $root or skip("Can't opendir($root): $!", 2+$EXTRA_ABSPATH_TESTS); |
205 | ($file) = grep {-f $_ and not -l $_} map File::Spec->catfile($root, $_), readdir FH; |
206 | closedir FH; |
207 | } |
208 | skip "No plain file in root directory to test with", 2+$EXTRA_ABSPATH_TESTS unless $file; |
209 | |
210 | $file = VMS::Filespec::rmsexpand($file) if $^O eq 'VMS'; |
211 | is Cwd::abs_path($file), $file, 'abs_path() works on files in the root directory'; |
212 | is Cwd::fast_abs_path($file), $file, 'fast_abs_path() works on files in the root directory'; |
213 | is Cwd::_perl_abs_path($file), $file, '_perl_abs_path() works on files in the root directory' |
214 | if $EXTRA_ABSPATH_TESTS; |
215 | } |
216 | |
217 | |
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218 | ############################################# |
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219 | # These routines give us sort of a poor-man's cross-platform |
220 | # directory or path comparison capability. |
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221 | |
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222 | sub bracketed_form_dir { |
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223 | return join '', map "[$_]", |
224 | grep length, File::Spec->splitdir(File::Spec->canonpath( shift() )); |
225 | } |
226 | |
227 | sub dir_ends_with { |
228 | my ($dir, $expect) = (shift, shift); |
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229 | my $bracketed_expect = quotemeta bracketed_form_dir($expect); |
230 | like( bracketed_form_dir($dir), qr|$bracketed_expect$|i, (@_ ? shift : ()) ); |
231 | } |
232 | |
233 | sub bracketed_form_path { |
234 | return join '', map "[$_]", |
235 | grep length, File::Spec->splitpath(File::Spec->canonpath( shift() )); |
236 | } |
237 | |
238 | sub path_ends_with { |
239 | my ($dir, $expect) = (shift, shift); |
240 | my $bracketed_expect = quotemeta bracketed_form_path($expect); |
241 | like( bracketed_form_path($dir), qr|$bracketed_expect$|i, (@_ ? shift : ()) ); |
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242 | } |