[perl-ExtUtils-Depends] Allow parellel testing

[Florian Ragwitz <rafl src gnome org>]

commit 50e9417d0d4b758068fe3af2726961522c24d7ea
Author: Florian Ragwitz <rafl debian org>
Date:   Mon Nov 22 02:53:12 2010 +0100

    Allow parellel testing
    
    All tests relied on the same files in t/inc, causing races when being run in
    parallel.

 t/02_save_load.t    |   15 +++++++++------
 t/03_deps.t         |   13 ++++++++-----
 t/04_extra_libs.t   |   13 ++++++++-----
 t/lib/TestHelper.pm |   21 +++++++++++++++++++++
 4 files changed, 46 insertions(+), 16 deletions(-)
---
diff --git a/t/02_save_load.t b/t/02_save_load.t
index b08010f..9d50572 100644
--- a/t/02_save_load.t
+++ b/t/02_save_load.t
@@ -3,8 +3,15 @@ use strict;
 use warnings;
 
 use Test::More tests => 24;
+
+use FindBin;
+use lib "$FindBin::Bin/lib";
+use TestHelper;
+
 use ExtUtils::Depends;
 
+my $tmp_inc = temp_inc;
+
 my $dep_info = ExtUtils::Depends->new ('DepTest');
 
 my $inc = '-Iinclude -I/usr/local/include -W -Wall -Werror -ansi';
@@ -33,7 +40,7 @@ my @installed_files = qw(dep.h
                          dep-private.h);
 $dep_info->install (@installed_files);
 
-$dep_info->save_config ('t/inc/DepTest/Install/Files.pm');
+$dep_info->save_config (catfile $tmp_inc, qw(DepTest Install Files.pm));
 
 # --------------------------------------------------------------------------- #
 
@@ -46,7 +53,7 @@ foreach my $pm (keys %pm_mapping) {
   like ($vars{PM}{$pm}, qr/\Q$pm_mapping{$pm}\E/);
 }
 
-ok (exists $vars{PM}{'t/inc/DepTest/Install/Files.pm'});
+ok (exists $vars{PM}{catfile $tmp_inc, qw(DepTest Install Files.pm)});
 
 foreach my $file (@installed_files) {
   like ($vars{PM}{$file}, qr/\Q$file\E/);
@@ -64,8 +71,6 @@ foreach my $file (@c_files, @xs_files) {
 
 # --------------------------------------------------------------------------- #
 
-use lib qw(t/inc);
-
 my $info = ExtUtils::Depends::load ('DepTest');
 
 my $install_part = qr|DepTest.Install|;
@@ -81,5 +86,3 @@ is_deeply ($info->{deps}, []);
 is ($info->{libs}, $libs);
 
 # --------------------------------------------------------------------------- #
-
-unlink 't/inc/DepTest/Install/Files.pm';
diff --git a/t/03_deps.t b/t/03_deps.t
index 51e9566..573f816 100644
--- a/t/03_deps.t
+++ b/t/03_deps.t
@@ -3,15 +3,20 @@ use strict;
 use warnings;
 
 use Test::More tests => 2;
+
+use FindBin;
+use lib "$FindBin::Bin/lib";
+use TestHelper;
+
 use ExtUtils::Depends;
 
+my $tmp_inc = temp_inc;
+
 my $dep_info = ExtUtils::Depends->new ('DepTest');
-$dep_info->save_config ('t/inc/DepTest/Install/Files.pm');
+$dep_info->save_config (catfile $tmp_inc, qw(DepTest Install Files.pm));
 
 # --------------------------------------------------------------------------- #
 
-use lib qw(t/inc);
-
 my $info = ExtUtils::Depends->new ('UseTest', 'DepTest');
 
 my %deps = $info->get_deps;
@@ -27,5 +32,3 @@ $info->load_deps;
 ok (exists $deps{DepTest});
 
 # --------------------------------------------------------------------------- #
-
-unlink 't/inc/DepTest/Install/Files.pm';
diff --git a/t/04_extra_libs.t b/t/04_extra_libs.t
index 90700f4..dbf70f4 100644
--- a/t/04_extra_libs.t
+++ b/t/04_extra_libs.t
@@ -3,24 +3,27 @@ use strict;
 use warnings;
 
 use Test::More;
+
+use FindBin;
+use lib "$FindBin::Bin/lib";
+use TestHelper;
+
 use ExtUtils::Depends;
 
+my $tmp_inc = temp_inc;
+
 plan (($^O eq 'MSWin32' || $^O eq 'cygwin') ?
         (tests => 1) :
         (skip_all => 'test only applicable to MSWin32 and cygwin'));
 
 my $dep_info = ExtUtils::Depends->new ('DepTest');
-$dep_info->save_config ('t/inc/DepTest/Install/Files.pm');
+$dep_info->save_config (catfile $tmp_inc, qw(DepTest Install Files.pm));
 
 # --------------------------------------------------------------------------- #
 
-use lib qw(t/inc);
-
 my $use_info = ExtUtils::Depends->new ('UseTest', 'DepTest');
 my %vars = $use_info->get_makefile_vars;
 
 like ($vars{LIBS}, qr/DepTest/);
 
 # --------------------------------------------------------------------------- #
-
-unlink 't/inc/DepTest/Install/Files.pm';
diff --git a/t/lib/TestHelper.pm b/t/lib/TestHelper.pm
new file mode 100644
index 0000000..884dbf0
--- /dev/null
+++ b/t/lib/TestHelper.pm
@@ -0,0 +1,21 @@
+use strict;
+use warnings;
+
+package TestHelper;
+
+use File::Temp 'tempdir';
+use File::Path 'mkpath';
+use File::Spec::Functions 'catdir', 'catfile';
+
+use base 'Exporter';
+
+our @EXPORT = ('temp_inc', 'catfile');
+
+sub temp_inc {
+    my $tmpinc = tempdir(CLEANUP => 1);
+    mkpath(catdir($tmpinc, qw(DepTest Install)), 0, 0711);
+    unshift @INC, $tmpinc;
+    return $tmpinc;
+}
+
+1;