Add CAPTURE_FAILED() and CAPTURE_PERL_FAILED()

diff --git a/lib/VPIT/TestHelpers.pm b/lib/VPIT/TestHelpers.pm
index 3225a1cd893dcb0277efff7d2fe9790ad10fc9cc..0f37b40b6e3026eda9cb99dfb747276a4080aa71 100644 (file)
--- a/lib/VPIT/TestHelpers.pm
+++ b/lib/VPIT/TestHelpers.pm
@@ -268,7 +268,17 @@ sub run_perl {
 
 Import :
 
-    use VPIT::TestHelpers 'capture'
+    use VPIT::TestHelpers capture => [ $p ];
+
+where :
+
+=over 8
+
+=item -
+
+C<$p> is prefixed to the constants exported by this feature (defaults to C<''>).
+
+=back
 
 =item *
 
@@ -302,8 +312,16 @@ C<capture @command>
 
 =item -
 
+C<CAPTURE_FAILED $details> (possibly prefixed by C<$p>)
+
+=item -
+
 C<capture_perl $code>
 
+=item -
+
+C<CAPTURE_PERL_FAILED $details> (possibly prefixed by C<$p>)
+
 =back
 
 =back
@@ -311,6 +329,8 @@ C<capture_perl $code>
 =cut
 
 sub init_capture {
+ my $p = sanitize_prefix(shift);
+
  skip_all 'Cannot capture output on VMS' if $^O eq 'VMS';
 
  load_or_skip_all 'IO::Handle', '0', [ ];
@@ -321,8 +341,10 @@ sub init_capture {
  }
 
  return (
-  capture      => \&capture,
-  capture_perl => \&capture_perl,
+  capture                   => \&capture,
+  "${p}CAPTURE_FAILED"      => \&capture_failed_msg,
+  capture_perl              => \&capture_perl,
+  "${p}CAPTURE_PERL_FAILED" => \&capture_perl_failed_msg,
  );
 }
 
@@ -463,6 +485,15 @@ sub capture {
  }
 }
 
+sub capture_failed_msg {
+ my $details = shift;
+
+ my $msg = 'Could not capture command output';
+ $msg   .= " ($details)" if defined $details;
+
+ return $msg;
+}
+
 sub capture_perl {
  my $code = shift;
 
@@ -476,6 +507,15 @@ sub capture_perl {
  };
 }
 
+sub capture_perl_failed_msg {
+ my $details = shift;
+
+ my $msg = 'Could not capture perl output';
+ $msg   .= " ($details)" if defined $details;
+
+ return $msg;
+}
+
 =head2 C<threads>
 
 =over 4