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package VPIT::TestHelpers;
use strict;
use warnings;
use Config ();
my %exports = (
load_or_skip => \&load_or_skip,
load_or_skip_all => \&load_or_skip_all,
run_perl => \&run_perl,
skip_all => \&skip_all,
);
sub import {
my $pkg = caller;
while (my ($name, $code) = each %exports) {
no strict 'refs';
*{$pkg.'::'.$name} = $code;
}
}
my $test_sub = sub {
my $sub = shift;
my $stash;
if ($INC{'Test/Leaner.pm'}) {
$stash = \%Test::Leaner::;
} else {
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 {
my $diag = $test_sub->('diag');
$diag->($_) for @_;
}
our $TODO;
local $TODO;
sub load {
my ($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 1)[0];
local $@;
my $res = eval <<"IMPORTER";
package
$caller;
BEGIN { \$pkg->import(\@imports) }
1;
IMPORTER
$err = "Could not import '@imports' from $pkg $ver: $@" unless $res;
}
} else {
(my $file = "$pkg.pm") =~ s{::}{/}g;
delete $INC{$file};
$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{SystemRoot} = $SystemRoot if $^O eq 'MSWin32' and defined $SystemRoot;
$ENV{PATH} = $PATH if $^O eq 'cygwin' and defined $PATH;
$ENV{$ld_name} = $ldlibpth if $^O eq 'android' and defined $ldlibpth;
system { $^X } $^X, '-T', map("-I$_", @INC), '-e', $code;
}
package VPIT::TestHelpers::Guard;
sub new {
my ($class, $code) = @_;
bless { code => $code }, $class;
}
sub DESTROY { $_[0]->{code}->() }
1;
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