X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=lib%2FVPIT%2FTestHelpers.pm;h=f44807421a4b03fe69c5a093904945ff3b7a126e;hb=7bb937cb8a28af2e5de0d7d23e1e946cb5892536;hp=42ff1897e3a869c6f79028347bc6f4784cad5425;hpb=ff556dd3539e55eb8d925721dd650c57973f39c4;p=perl%2Fmodules%2FVPIT-TestHelpers.git

diff --git a/lib/VPIT/TestHelpers.pm b/lib/VPIT/TestHelpers.pm
index 42ff189..f448074 100644
--- a/lib/VPIT/TestHelpers.pm
+++ b/lib/VPIT/TestHelpers.pm
@@ -3,21 +3,60 @@ package VPIT::TestHelpers;
 use strict;
 use warnings;
 
-my %exports = (
- load_or_skip => \&load_or_skip,
- skip_all     => \&skip_all,
-);
+use Config ();
 
-sub import {
- my $pkg = caller;
- while (my ($name, $code) = each %exports) {
+sub export_to_pkg {
+ my ($subs, $pkg) = @_;
+
+ while (my ($name, $code) = each %$subs) {
   no strict 'refs';
   *{$pkg.'::'.$name} = $code;
  }
+
+ return 1;
+}
+
+my %default_exports = (
+ load_or_skip     => \&load_or_skip,
+ load_or_skip_all => \&load_or_skip_all,
+ run_perl         => \&run_perl,
+ skip_all         => \&skip_all,
+);
+
+my %features = ();
+
+sub import {
+ shift;
+ my @opts = @_;
+
+ my %exports = %default_exports;
+
+ for (my $i = 0; $i <= $#opts; ++$i) {
+  my $feature = $opts[$i];
+  next unless defined $feature;
+
+  my $args;
+  if ($i < $#opts and defined $opts[$i+1] and ref $opts[$i+1] eq 'ARRAY') {
+   ++$i;
+   $args = $opts[$i];
+  } else {
+   $args = [ ];
+  }
+
+  my $handler = $features{$feature};
+  die "Unknown feature '$feature'" unless defined $handler;
+
+  my %syms = $handler->(@$args);
+
+  $exports{$_} = $syms{$_} for sort keys %syms;
+ }
+
+ export_to_pkg \%exports => scalar caller;
 }
 
 my $test_sub = sub {
  my $sub = shift;
+
  my $stash;
  if ($INC{'Test/Leaner.pm'}) {
   $stash = \%Test::Leaner::;
@@ -25,10 +64,13 @@ my $test_sub = sub {
   require Test::More;
   $stash = \%Test::More::;
  }
+
  my $glob = $stash->{$sub};
  return $glob ? *$glob{CODE} : undef;
 };
 
+sub skip { $test_sub->('skip')->(@_) }
+
 sub skip_all { $test_sub->('plan')->(skip_all => $_[0]) }
 
 sub diag {
@@ -39,16 +81,20 @@ sub diag {
 our $TODO;
 local $TODO;
 
-sub load_or_skip {
- my ($pkg, $ver, $imports, $desc) = @_;
+sub load {
+ my ($pkg, $ver, $imports) = @_;
+
  my $spec = $ver && $ver !~ /^[0._]*$/ ? "$pkg $ver" : $pkg;
+ my $err;
+
  local $@;
  if (eval "use $spec (); 1") {
   $ver = do { no strict 'refs'; ${"${pkg}::VERSION"} };
   $ver = 'undef' unless defined $ver;
+
   if ($imports) {
    my @imports = @$imports;
-   my $caller  = (caller 0)[0];
+   my $caller  = (caller 1)[0];
    local $@;
    my $res = eval <<"IMPORTER";
 package
@@ -56,16 +102,57 @@ package
 BEGIN { \$pkg->import(\@imports) }
 1;
 IMPORTER
-   skip_all "Could not import '@imports' from $pkg $ver: $@" unless $res;
+   $err = "Could not import '@imports' from $pkg $ver: $@" unless $res;
   }
-  diag "Using $pkg $ver";
  } else {
   (my $file = "$pkg.pm") =~ s{::}{/}g;
   delete $INC{$file};
-  skip_all "$spec $desc";
+  $err = "Could not load $spec";
+ }
+
+ if ($err) {
+  return wantarray ? (0, $err) : 0;
+ } else {
+  diag "Using $pkg $ver";
+  return 1;
  }
 }
 
+sub load_or_skip {
+ my ($pkg, $ver, $imports, $tests) = @_;
+
+ die 'You must specify how many tests to skip' unless defined $tests;
+
+ my ($loaded, $err) = load($pkg, $ver, $imports);
+ skip $err => $tests unless $loaded;
+
+ return $loaded;
+}
+
+sub load_or_skip_all {
+ my ($pkg, $ver, $imports) = @_;
+
+ my ($loaded, $err) = load($pkg, $ver, $imports);
+ skip_all $err unless $loaded;
+
+ return $loaded;
+}
+
+sub run_perl {
+ my $code = shift;
+
+ my ($SystemRoot, $PATH) = @ENV{qw<SystemRoot PATH>};
+ my $ld_name  = $Config::Config{ldlibpthname};
+ my $ldlibpth = $ENV{$ld_name};
+
+ local %ENV;
+ $ENV{$ld_name}   = $ldlibpth   if                      defined $ldlibpth;
+ $ENV{SystemRoot} = $SystemRoot if $^O eq 'MSWin32' and defined $SystemRoot;
+ $ENV{PATH}       = $PATH       if $^O eq 'cygwin'  and defined $PATH;
+
+ system { $^X } $^X, '-T', map("-I$_", @INC), '-e', $code;
+}
+
 package VPIT::TestHelpers::Guard;
 
 sub new {