Provide a way for config file settings to be restored at the end of a test,

via the END block in WebGUI::Test.

t/lib/WebGUI/Test.pm

@@ -2,6 +2,7 @@ package WebGUI::Test;
 
 use strict;
 use warnings;
+use Storable qw/dclone/;
 
 =head1 LEGAL
 
@@ -47,6 +48,8 @@ our $logger_debug;
 our $logger_info;
 our $logger_error;
 
+my %originalConfig = ();
+
 BEGIN {
 
     STDERR->autoflush(1);
@@ -135,6 +138,14 @@ END {
         $Test->diag('Users   : '.$SESSION->db->quickScalar('select count(*) from users'));
         $Test->diag('Groups  : '.$SESSION->db->quickScalar('select count(*) from groups'));
     }
+    while (my ($key, $value) = each %originalConfig) {
+        if (defined $value) {
+            $SESSION->config->set($key, $value);
+        }
+        else {
+            $SESSION->config->delete($key);
+        }
+    }
     $SESSION->var->end;
     $SESSION->close if defined $SESSION;
 }
@@ -332,6 +343,24 @@ sub session {
 }
 
 
+#----------------------------------------------------------------------------
+
+=head2 originalConfig ( $param )
+
+Stores the original data from the config file, to be restored
+automatically at the end of the test.  This is a class method.
+
+=cut
+
+sub originalConfig {
+    my ($class, $param) = @_;
+    my $safeValue = my $value = $SESSION->config->get($param);
+    if (ref $value) {
+        $safeValue = dclone $value;
+    }
+    $originalConfig{$param} = $safeValue;
+}
+
 #----------------------------------------------------------------------------
 
 =head1 BUGS